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include: ["cmake/.cmake-format-additional_commands-cpm"]
format:
tab_size: 2
line_width: 100
dangle_parens: true
parse:
additional_commands:
cpmaddpackage:
pargs:
nargs: '*'
flags: []
spelling: CPMAddPackage
kwargs: &cpmaddpackagekwargs
NAME: 1
FORCE: 1
VERSION: 1
GIT_TAG: 1
DOWNLOAD_ONLY: 1
GITHUB_REPOSITORY: 1
GITLAB_REPOSITORY: 1
GIT_REPOSITORY: 1
SVN_REPOSITORY: 1
SVN_REVISION: 1
SOURCE_DIR: 1
DOWNLOAD_COMMAND: 1
FIND_PACKAGE_ARGUMENTS: 1
NO_CACHE: 1
GIT_SHALLOW: 1
URL: 1
URL_HASH: 1
URL_MD5: 1
DOWNLOAD_NAME: 1
DOWNLOAD_NO_EXTRACT: 1
HTTP_USERNAME: 1
HTTP_PASSWORD: 1
EXCLUDE_FROM_ALL: 1
OPTIONS: +
cpmfindpackage:
pargs:
nargs: '*'
flags: []
spelling: CPMFindPackage
kwargs: *cpmaddpackagekwargs
cpmdeclarepackage:
pargs:
nargs: '*'
flags: []
spelling: CPMDeclarePackage
kwargs: *cpmaddpackagekwargs
packageproject:
pargs:
nargs: '*'
flags: []
spelling: packageProject
kwargs:
NAME: 1
VERSION: 1
INCLUDE_DIR: 1
INCLUDE_DESTINATION: 1
BINARY_DIR: 1
COMPATIBILITY: 1
VERSION_HEADER: 1
DEPENDENCIES: +
cpmusepackagelock:
pargs: 1
spelling: CPMUsePackageLock
cpmregisterpackage:
pargs: 1
spelling: CPMRegisterPackage
cpmgetpackageversion:
pargs: 2
spelling: CPMGetPackageVersion

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@ -1,3 +0,0 @@
node: $Format:%H$
node-date: $Format:%cI$
describe-name: $Format:%(describe:tags=true,match=?[0-9.]*)$

1
.gitattributes vendored
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@ -1 +0,0 @@
.git_archival.txt export-subst

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name: Examples
on:
push:
branches:
- master
pull_request:
branches:
- master
jobs:
gcc:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- name: build all
env:
CC: gcc
CXX: g++
run: python3 examples/build_all.py
clang:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- name: build all
env:
CC: clang
CXX: clang++
run: python3 examples/build_all.py

22
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@ -0,0 +1,22 @@
name: MacOS
on:
push:
branches:
- master
pull_request:
branches:
- master
jobs:
build:
runs-on: macos-latest
steps:
- uses: actions/checkout@v1
- name: run tests
run: |
cmake -Htest -Bbuild/test
cmake --build build/test --target test-verbose

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@ -10,14 +10,13 @@ jobs:
name: Publish CPM.cmake
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- uses: actions/checkout@v1
- name: Set CPM version by tag
run: |
mkdir dist
sed -e "s/1.0.0-development-version/${GITHUB_REF/refs\/tags\/v}/g" cmake/CPM.cmake > dist/CPM.cmake
sed -e "s/1.0.0-development-version/${GITHUB_REF/refs\/tags\/v}/g" \
-e "s/CPM_HASH_SUM_PLACEHOLDER/$(sha256sum dist/CPM.cmake | cut -d' ' -f1)/" cmake/get_cpm.cmake > dist/get_cpm.cmake
sed "s/1.0.0-development-version/${GITHUB_REF/refs\/tags\/v}/g" cmake/CPM.cmake > dist/CPM.cmake
sed "s/1.0.0-development-version/${GITHUB_REF/refs\/tags\/v}/g" cmake/get_cpm.cmake > dist/get_cpm.cmake
- name: Upload CPM.cmake to release
uses: svenstaro/upload-release-action@v1-release

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@ -1,31 +0,0 @@
name: Style
on:
push:
branches:
- master
pull_request:
branches:
- master
jobs:
style:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- name: Setup cmake
uses: jwlawson/actions-setup-cmake@v1.13
with:
cmake-version: '3.27.x'
- name: Install format dependencies
run: pip3 install clang-format==14.0.6 cmake_format==0.6.11 pyyaml
- name: configure
run: cmake -Stest/style -Bbuild/style
- name: check style
run: cmake --build build/style --target check-format

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@ -0,0 +1,28 @@
name: Style
on:
push:
branches:
- master
pull_request:
branches:
- master
jobs:
style:
runs-on: macos-latest
steps:
- uses: actions/checkout@v1
- name: Install format dependencies
run: |
brew install clang-format
pip3 install cmake_format==0.6.11 pyyaml
- name: configure
run: cmake -Htest/style -Bbuild/style
- name: check style
run: cmake --build build/style --target check-format

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@ -1,48 +0,0 @@
name: Test
on:
push:
branches:
- master
pull_request:
branches:
- master
jobs:
tests:
runs-on: ${{ matrix.os }}
strategy:
matrix:
# windows-latest is windows-2019 which carries a pretty old version of ruby (2.5)
# we need at least ruby 2.7 for the tests
# instead of dealing with installing a modern version of ruby on 2019, we'll just use windows-2022 here
os: [ubuntu-latest, windows-2022, macos-latest]
# we want to ensure compatibility with a recent CMake version as well as the lowest officially supported
# legacy version that we define as the default version of the second-latest Ubuntu LTS release currently available
cmake_version: ['3.16.3', '3.27.5', '3.30.0']
exclude:
# there seems to be an issue with CMake 3.16 not finding a C++ compiler on windows-2022
- os: windows-2022
cmake_version: '3.16.3'
steps:
- name: clone
uses: actions/checkout@v3
- name: Setup cmake
uses: jwlawson/actions-setup-cmake@v1.13
with:
cmake-version: ${{ matrix.cmake_version }}
- name: unit tests
run: |
cmake -Stest -Bbuild/test
cmake --build build/test --target test-verbose
env:
CMAKE_VERSION: ${{ matrix.cmake_version }}
- name: integration tests
run: ruby test/integration/runner.rb
env:
CPM_INTEGRATION_TEST_DIR: ./build/integration
CMAKE_VERSION: ${{ matrix.cmake_version }}

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name: Ubuntu
on:
push:
branches:
- master
pull_request:
branches:
- master
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v1
- name: install updates
run: |
wget -O cmake.sh https://cmake.org/files/v3.14/cmake-3.14.0-Linux-x86_64.sh
sudo sh cmake.sh --skip-license --exclude-subdir --prefix=/usr/local
export PATH=/usr/local/bin:$PATH
cmake --version
- name: run tests
run: |
cmake -Htest -Bbuild/test
cmake --build build/test --target test-verbose

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name: Windows
on:
push:
branches:
- master
pull_request:
branches:
- master
jobs:
build:
runs-on: windows-latest
steps:
- uses: actions/checkout@v1
- name: run tests
run: |
cmake -Htest -Bbuild/test
cmake --build build/test --target test-verbose

50
.travis.yml Normal file
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language: cpp
sudo: require
dist: xenial
common_sources: &all_sources
- ubuntu-toolchain-r-test
- llvm-toolchain-trusty
python:
- 3.7
matrix:
include:
- os: linux
compiler: gcc
addons: &gcc8
apt:
sources: *all_sources
packages:
- g++-8
env:
- MATRIX_EVAL="export CC=gcc-8; export CXX=g++-8;"
- os: linux
compiler: clang
addons:
apt:
sources: *all_sources
packages:
- g++-8
- clang-6.0
env:
- MATRIX_EVAL="export CC=clang-6.0; export CXX=clang++-6.0;"
before_install:
# Update compilers
- eval "${MATRIX_EVAL}"
- echo "CC=$CC CXX=$CXX"
# Install a supported cmake version (>= 3.14)
- wget -O cmake.sh https://cmake.org/files/v3.14/cmake-3.14.0-Linux-x86_64.sh
- sudo sh cmake.sh --skip-license --exclude-subdir --prefix=/usr/local
- export PATH=/usr/local/bin:$PATH
- cmake --version
script:
# unit tests
- cmake -Htest -Bbuild/test
- cmake --build build/test --target test-verbose
# build examples
- python3 examples/build_all.py

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@ -1,28 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git/")
find_package(Git REQUIRED)
execute_process(
COMMAND "${GIT_EXECUTABLE}" describe --tags --match=?[0-9.]*
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE DESCRIBE_NAME COMMAND_ERROR_IS_FATAL ANY
)
set(CPM_DEVELOPMENT "-development-version")
else()
file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/.git_archival.txt" DESCRIBE_NAME
REGEX "^describe-name:.*"
)
endif()
string(REGEX MATCH "([0-9\\.]+)" EXTRACTED_CPM_VERSION "${DESCRIBE_NAME}")
project(
CPM.cmake
VERSION "${EXTRACTED_CPM_VERSION}"
DESCRIPTION
"CMake's missing package manager. A small CMake script for setup-free, cross-platform, reproducible dependency management."
HOMEPAGE_URL "https://github.com/cpm-cmake/CPM.cmake"
LANGUAGES NONE
)
include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/CPM.cmake")

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<!-- omit in toc -->
# Contributing to CPM.cmake
First off, thanks for taking the time to contribute! ❤️
All types of contributions are encouraged and valued. See the [Table of Contents](#table-of-contents) for different ways to help and details about how this project handles them. Please make sure to read the relevant section before making your contribution. It will make it a lot easier for us maintainers and smooth out the experience for all involved. The community looks forward to your contributions. 🎉
> And if you like the project, but just don't have time to contribute, that's fine. There are other easy ways to support the project and show your appreciation, which we would also be very happy about:
> - Star the project
> - Tweet about it
> - Refer this project in your project's readme
> - Mention the project at local meetups and tell your friends/colleagues
<!-- omit in toc -->
## Table of Contents
- [I Have a Question](#i-have-a-question)
- [I Want To Contribute](#i-want-to-contribute)
- [Reporting Bugs](#reporting-bugs)
- [Suggesting Enhancements](#suggesting-enhancements)
- [Your First Code Contribution](#your-first-code-contribution)
- [Styleguides](#styleguides)
## I Have a Question
> If you want to ask a question, we assume that you have read the available [Documentation](https://github.com/cpm-cmake/CPM.cmake/blob/master/README.md).
Before you ask a question, it is best to search for existing [Issues](https://github.com/cpm-cmake/CPM.cmake/issues) that might help you. In case you have found a suitable issue and still need clarification, you can write your question in this issue. It is also advisable to search the internet for answers first.
If you then still feel the need to ask a question and need clarification, we recommend the following:
- Open an [Issue](https://github.com/cpm-cmake/CPM.cmake/issues/new).
- Provide as much context as you can about what you're running into.
- Provide project and platform versions (CMake, OS, etc), depending on what seems relevant.
We will then take care of the issue as soon as possible.
## I Want To Contribute
> ### Legal Notice <!-- omit in toc -->
> When contributing to this project, you must agree that you have authored 100% of the content, that you have the necessary rights to the content and that the content you contribute may be provided under the project license.
### Reporting Bugs
<!-- omit in toc -->
#### Before Submitting a Bug Report
A good bug report shouldn't leave others needing to chase you up for more information. Therefore, we ask you to investigate carefully, collect information and describe the issue in detail in your report. Please complete the following steps in advance to help us fix any potential bug as fast as possible.
- Make sure that you are using the latest version.
- Determine if your bug is really a bug and not an error on your side e.g. using incompatible environment components/versions (Make sure that you have read the [documentation](https://github.com/cpm-cmake/CPM.cmake/blob/master/README.md). If you are looking for support, you might want to check [this section](#i-have-a-question)).
- To see if other users have experienced (and potentially already solved) the same issue you are having, check if there is not already a bug report existing for your bug or error in the [bug tracker](https://github.com/cpm-cmake/CPM.cmake/issues?q=label%3Abug).
- Also make sure to search the internet (including Stack Overflow) to see if users outside of the GitHub community have discussed the issue.
- Collect information about the bug:
- Stack trace / Full CMake error output
- OS, Platform and Version (Windows, Linux, macOS, x86, ARM)
- Version of CMake, compiler or other tools used, depending on what seems relevant.
- Possibly any relevant environment / command line arguments used
- Can you reliably reproduce the issue? And can you also reproduce it with older versions?
<!-- omit in toc -->
#### How Do I Submit a Good Bug Report?
We use GitHub issues to track bugs and errors. If you run into an issue with the project:
- Open an [Issue](https://github.com/cpm-cmake/CPM.cmake/issues/new). (Since we can't be sure at this point whether it is a bug or not, we ask you not to talk about a bug yet and not to label the issue.)
- Explain the behavior you would expect and the actual behavior.
- Please provide as much context as possible and describe the *reproduction steps* that someone else can follow to recreate the issue on their own. This usually includes your code. For good bug reports you should isolate the problem and create a reduced test case.
- Provide the information you collected in the previous section.
Once it's filed:
- The project team will label the issue accordingly.
- A team member will try to reproduce the issue with your provided steps. If there are no reproduction steps or no obvious way to reproduce the issue, the team will ask you for those steps and mark the issue as `needs-repro`. Bugs with the `needs-repro` tag will not be addressed until they are reproduced.
- If the team is able to reproduce the issue, it will be marked `needs-fix`, as well as possibly other tags (such as `critical`), and the issue will be left to be [implemented by someone](#your-first-code-contribution).
### Suggesting Enhancements
This section guides you through submitting an enhancement suggestion for CPM.cmake, **including completely new features and minor improvements to existing functionality**. Following these guidelines will help maintainers and the community to understand your suggestion and find related suggestions.
<!-- omit in toc -->
#### Before Submitting an Enhancement
- Make sure that you are using the latest version.
- Read the [documentation](https://github.com/cpm-cmake/CPM.cmake/blob/master/README.md) carefully and find out if the functionality is already covered, maybe by an individual configuration.
- Perform a [search](https://github.com/cpm-cmake/CPM.cmake/issues) to see if the enhancement has already been suggested. If it has, add a comment to the existing issue instead of opening a new one.
- Find out whether your idea fits with the scope and aims of the project. It's up to you to make a strong case to convince the project's developers of the merits of this feature. Keep in mind that we want features that will be useful to the majority of our users and not just a small subset. If you're just targeting a minority of users, consider writing an add-on/plugin library.
<!-- omit in toc -->
#### How Do I Submit a Good Enhancement Suggestion?
Enhancement suggestions are tracked as [GitHub issues](https://github.com/cpm-cmake/CPM.cmake/issues).
- Use a **clear and descriptive title** for the issue to identify the suggestion.
- Provide a **step-by-step description of the suggested enhancement** in as many details as possible.
- **Describe the current behavior** and **explain which behavior you expected to see instead** and why. At this point you can also tell which alternatives do not work for you.
- **Explain why this enhancement would be useful** to most CPM.cmake users. You may also want to point out the other projects that solved it better and which could serve as inspiration.
### Your First Code Contribution
Please try to keep your individual changes as minimal and focussed on the issue as possible.
If you discover that the scope of your contribution is growing larger than expected you might want to split the changes into multiple separate contributions to allow a more focussed discussion and review.
It is usually a great idea and often required to add tests for your changes.
This allows us to quickly validate that the changes are working as intended and also guarantees that they won't be broken by other future updates.
For small and targeted functional changes, e.g. supporting a new URL schema, a [unit test](#unit-tests) may be enough.
For contributions that change large-scale behaviour, such as dependency caching features, an [integration test](#integration-tests) is more suited.
Depending on the changes, a combination of both test types may also be appropriate.
#### Unit tests
Unit tests are small CMake scripts that live in the [unit test directory](./test/unit/).
They usually make use of some of the helper assertions defined in the [testing.cmake](./cmake/testing.cmake) file.
An example unit test for checking the `cpm_get_version_from_git_tag` function could look like the following.
```cmake
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
include(${CPM_PATH}/CPM.cmake)
include(${CPM_PATH}/testing.cmake)
cpm_get_version_from_git_tag("v1.2.3-a" VERSION)
assert_equal("1.2.3" ${VERSION})
```
This test can be run directly with CMake by providing the CPM source directory.
```bash
cmake -DCPM_PATH=$(pwd)/cmake -P <path to the test file>
```
We can also the [test directory's](./test/) CMakeLists to detect and run all unit tests using CMake's test runner.
```bash
cmake -Stest -Bbuild/test
cmake --build build/test --target test-verbose # or `test` for less noisy output
```
#### Integration tests
The integration tests of CPM.cmake are written in Ruby. They use a custom integration test framework which extends the [Test::Unit](https://www.rubydoc.info/github/test-unit/test-unit/Test/Unit) library.
They require Ruby 2.7.0 or later.
To run all tests from the repo root execute:
```
ruby test/integration/runner.rb
```
For a detailed guide on integration tests, see the documentation in the [integration test directory](./test/integration/).
## Styleguides
This project uses automatic code styling using [clang-format](https://clang.llvm.org/docs/ClangFormat.html) and [cmake-format](https://github.com/cheshirekow/cmake_format).
The code style is enforced by the tools using the style options defined in the [.clang-format](./.clang-format) and [.cmake-format](./.cmake-format) configuration files.
To install the necessary tools for code styling we recommend using recent version of [Python/pip](https://www.python.org).
```bash
pip3 install clang-format==14.0.6 cmake_format==0.6.11 pyyaml
```
For convenience, we have a CMake project defined in the [test/style](./test/style/) directory that can be called to automatically apply the code styling to all files currently added in git.
```bash
# initialize the project
cmake -Stest/style -Bbuild/style
# apply the code styling to this repository
cmake --build build/style --target fix-format
```
<!-- omit in toc -->
## Attribution
This guide is based on the **contributing-gen**. [Make your own](https://github.com/bttger/contributing-gen)!

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@ -1,40 +0,0 @@
# CPM.cmake Contributors
For detailed breakdown of individual contributions see the [Contributors page on GitHub](https://github.com/cpm-cmake/CPM.cmake/graphs/contributors)
* [Lars Melchior](https://github.com/TheLartians)
* [Borislav Stanimirov](https://github.com/iboB)
* [Paul T](https://github.com/DeveloperPaul123)
* [Leonardo Lima](https://github.com/leozz37)
* [pgorgon-hem](https://github.com/pgorgon-hem)
* [Xavier Muller](https://github.com/xmuller)
* NVIDIA CORPORATION via [Robert Maynard](https://github.com/robertmaynard)
* [Kingsley Chen](https://github.com/kingsamchen)
* [alexandreSalconiDenis](https://github.com/alexandreSalconiDenis)
* [DNKpp](https://github.com/DNKpp)
* [Olivier Le Doeuff](https://github.com/OlivierLDff)
* [Stuart Dootson](https://github.com/studoot)
* [Tobias Hellmann](https://github.com/Tobi823)
* [Giuseppe Cesarano](https://github.com/GiuseppeCesarano)
* [Pavel Sokolov](https://github.com/hacker-cb)
* [Claus Klein](https://github.com/ClausKlein)
* [Clare Macrae](https://github.com/claremacrae)
* [Kai Germaschewski](https://github.com/germasch)
* [Andrea Barbadoro](https://github.com/andijcr)
* [MixusMinimax](https://github.com/MixusMinimax)
* [Dan Raviv](https://github.com/danra)
* [Prabir Shrestha](https://github.com/prabirshrestha)
* [Paul Taylor](https://github.com/trxcllnt)
* [Ryan Mast](https://github.com/nightlark)
* [Vinpasso](https://github.com/Vinpasso)
* [Yotam Gingold](https://github.com/yig)
* [jecassis](https://github.com/jecassis)
* [Johel Ernesto Guerrero Peña](https://github.com/JohelEGP)
* [Lars Bilke](https://github.com/bilke)
* [Lava Block](https://github.com/TheLavaBlock)
* [Anton Filimonov](https://github.com/variar)
* [David Fong](https://github.com/david-fong)
* [Thomas Mosegaard Pedersen](https://github.com/thomas-mp)
* [Evgeny Gorodetskiy](https://github.com/egorodet)
* [Kamil Kisiel](https://github.com/kisielk)
* [AlessandroW](https://github.com/AlessandroW)

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MIT License
Copyright (c) 2019-2022 Lars Melchior and contributors
Copyright (c) 2019 Lars Melchior
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

461
README.md
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[![Build Status](https://travis-ci.com/cpm-cmake/CPM.cmake.svg?branch=master)](https://travis-ci.com/cpm-cmake/CPM.cmake)
[![Actions Status](https://github.com/cpm-cmake/CPM.cmake/workflows/MacOS/badge.svg)](https://github.com/cpm-cmake/CPM.cmake/actions)
[![Actions Status](https://github.com/cpm-cmake/CPM.cmake/workflows/Windows/badge.svg)](https://github.com/cpm-cmake/CPM.cmake/actions)
[![Actions Status](https://github.com/cpm-cmake/CPM.cmake/workflows/Ubuntu/badge.svg)](https://github.com/cpm-cmake/CPM.cmake/actions)
<br />
<p align="center">
@ -7,12 +11,12 @@
# Setup-free CMake dependency management
CPM.cmake is a cross-platform CMake script that adds dependency management capabilities to CMake.
CPM.cmake is a CMake script that adds dependency management capabilities to CMake.
It's built as a thin wrapper around CMake's [FetchContent](https://cmake.org/cmake/help/latest/module/FetchContent.html) module that adds version control, caching, a simple API [and more](#comparison-to-pure-fetchcontent--externalproject).
## Manage everything
Any downloadable project or resource can be added as a version-controlled dependency through CPM, it is not necessary to modify or package anything.
Any downloadable project or resource can be added as a version-controlled dependency though CPM, it is not necessary to modify or package anything.
Projects using modern CMake are automatically configured and their targets can be used immediately.
For everything else, the targets can be created manually after the dependency has been downloaded (see the [snippets](#snippets) below for examples).
@ -21,6 +25,37 @@ For everything else, the targets can be created manually after the dependency ha
- [CPM: An Awesome Dependency Manager for C++ with CMake](https://medium.com/swlh/cpm-an-awesome-dependency-manager-for-c-with-cmake-3c53f4376766)
- [CMake and the Future of C++ Package Management](https://ibob.github.io/blog/2020/01/13/cmake-package-management/)
## Usage
After `CPM.cmake` has been [added](#adding-cpm) to your project, the function `CPMAddPackage` or `CPMFindPackage` can be used to fetch and configure a dependency.
Afterwards, any targets defined in the dependency can be used directly.
`CPMFindPackage` and `CPMAddPackage` take the following named parameters.
```cmake
CPMAddPackage(
NAME # The unique name of the dependency (should be the exported target's name)
VERSION # The minimum version of the dependency (optional, defaults to 0)
OPTIONS # Configuration options passed to the dependency (optional)
DOWNLOAD_ONLY # If set, the project is downloaded, but not configured (optional)
[...] # Origin parameters forwarded to FetchContent_Declare, see below
)
```
The origin may be specified by a `GIT_REPOSITORY`, but other sources, such as direct URLs, are [also supported](https://cmake.org/cmake/help/v3.11/module/ExternalProject.html#external-project-definition).
If `GIT_TAG` hasn't been explicitly specified it defaults to `v(VERSION)`, a common convention for git projects.
On the other hand, if `VERSION` hasn't been explicitly specified, CPM can automatically identify the version from the git tag in some common cases.
`GIT_TAG` can also be set to a specific commit or a branch name such as `master` to always download the most recent version.
The optional argument `FIND_PACKAGE_ARGUMENTS` can be specified to a string of parameters that will be passed to `find_package` if enabled (see below).
After calling `CPMAddPackage` or `CPMFindPackage`, the following variables are defined in the local scope, where `<dependency>` is the name of the dependency.
- `<dependency>_SOURCE_DIR` is the path to the source of the dependency.
- `<dependency>_BINARY_DIR` is the path to the build directory of the dependency.
- `<dependency>_ADDED` is set to `YES` if the dependency has not been added before, otherwise it is set to `NO`.
The difference between `CPMFindPackage` and `CPMAddPackage` is that `CPMFindPackage` will try to find a local dependency via CMake's `find_package` and fallback to `CPMAddPackage` if the dependency is not found.
This behaviour can be also modified globally via [CPM options](#options).
## Full CMakeLists Example
```cmake
@ -30,17 +65,18 @@ cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(MyProject)
# add executable
add_executable(main main.cpp)
add_executable(tests tests.cpp)
# add dependencies
include(cmake/CPM.cmake)
CPMAddPackage("gh:fmtlib/fmt#7.1.3")
CPMAddPackage("gh:nlohmann/json@3.10.5")
CPMAddPackage("gh:catchorg/Catch2@3.4.0")
CPMAddPackage(
GITHUB_REPOSITORY catchorg/Catch2
VERSION 2.5.0
)
# link dependencies
target_link_libraries(main fmt::fmt nlohmann_json::nlohmann_json Catch2::Catch2WithMain)
target_link_libraries(tests Catch2)
```
See the [examples directory](https://github.com/cpm-cmake/CPM.cmake/tree/master/examples) for complete examples with source code and check [below](#snippets) or in the [wiki](https://github.com/cpm-cmake/CPM.cmake/wiki/More-Snippets) for example snippets.
@ -57,88 +93,9 @@ wget -O cmake/CPM.cmake https://github.com/cpm-cmake/CPM.cmake/releases/latest/d
You can also download CPM.cmake directly from your project's `CMakeLists.txt`. See the [wiki](https://github.com/cpm-cmake/CPM.cmake/wiki/Downloading-CPM.cmake-in-CMake) for more details.
## Usage
After `CPM.cmake` has been [added](#adding-cpm) to your project, the function `CPMAddPackage` can be used to fetch and configure a dependency.
Afterwards, any targets defined in the dependency can be used directly.
`CPMAddPackage` takes the following named parameters.
```cmake
CPMAddPackage(
NAME # The unique name of the dependency (should be the exported target's name)
VERSION # The minimum version of the dependency (optional, defaults to 0)
PATCHES # Patch files to be applied sequentially using patch and PATCH_OPTIONS (optional)
OPTIONS # Configuration options passed to the dependency (optional)
DOWNLOAD_ONLY # If set, the project is downloaded, but not configured (optional)
[...] # Origin parameters forwarded to FetchContent_Declare, see below
)
```
The origin may be specified by a `GIT_REPOSITORY`, but other sources, such as direct URLs, are [also supported](https://cmake.org/cmake/help/v3.11/module/ExternalProject.html#external-project-definition).
If `GIT_TAG` hasn't been explicitly specified it defaults to `v(VERSION)`, a common convention for git projects.
On the other hand, if `VERSION` hasn't been explicitly specified, CPM can automatically identify the version from the git tag in some common cases.
`GIT_TAG` can also be set to a specific commit or a branch name such as `master`, however this isn't recommended, as such packages will only be updated when the cache is cleared.
`PATCHES` takes a list of patch files to apply sequentially. For a basic example, see [Highway](examples/highway/CMakeLists.txt).
We recommend that if you use `PATCHES`, you also set `CPM_SOURCE_CACHE`. See [issue 577](https://github.com/cpm-cmake/CPM.cmake/issues/577).
If an additional optional parameter `EXCLUDE_FROM_ALL` is set to a truthy value, then any targets defined inside the dependency won't be built by default. See the [CMake docs](https://cmake.org/cmake/help/latest/prop_tgt/EXCLUDE_FROM_ALL.html) for details.
If an additional optional parameter `SYSTEM` is set to a truthy value, the SYSTEM directory property of the subdirectory added will be set to true.
See the [add_subdirectory ](https://cmake.org/cmake/help/latest/command/add_subdirectory.html?highlight=add_subdirectory)
and [SYSTEM](https://cmake.org/cmake/help/latest/prop_tgt/SYSTEM.html#prop_tgt:SYSTEM) target property for details.
A shorthand syntax is also supported:
```cmake
# A git package from a given uri with a version
CPMAddPackage("uri@version")
# A git package from a given uri with a git tag or commit hash
CPMAddPackage("uri#tag")
# A git package with both version and tag provided
CPMAddPackage("uri@version#tag")
```
In the shorthand syntax if the URI is of the form `gh:user/name`, it is interpreted as GitHub URI and converted to `https://github.com/user/name.git`. If the URI is of the form `gl:user/name`, it is interpreted as a [GitLab](https://gitlab.com/explore/) URI and converted to `https://gitlab.com/user/name.git`. If the URI is of the form `bb:user/name`, it is interpreted as a [Bitbucket](https://bitbucket.org/) URI and converted to `https://bitbucket.org/user/name.git`. Otherwise the URI used verbatim as a git URL. All packages added using the shorthand syntax will be added using the [EXCLUDE_FROM_ALL](https://cmake.org/cmake/help/latest/prop_tgt/EXCLUDE_FROM_ALL.html) and [SYSTEM](https://cmake.org/cmake/help/latest/prop_tgt/SYSTEM.html#prop_tgt:SYSTEM) flag.
The single-argument syntax also works for URLs:
```cmake
# An archive package from a given url. The version is inferred
CPMAddPackage("https://example.com/my-package-1.2.3.zip")
# An archive package from a given url with an MD5 hash provided
CPMAddPackage("https://example.com/my-package-1.2.3.zip#MD5=68e20f674a48be38d60e129f600faf7d")
# An archive package from a given url. The version is explicitly given
CPMAddPackage("https://example.com/my-package.zip@1.2.3")
```
Additionally, if needed, extra arguments can be provided while using single argument syntax by using the shorthand syntax with the `URI` specifier.
```cmake
CPMAddPackage(
URI "gh:nlohmann/json@3.9.1"
OPTIONS "JSON_BuildTests OFF"
)
```
The `URI` argument must be the first argument to `CPMAddPackage`.
`URI` automatically sets `EXCLUDE_FROM_ALL YES` and `SYSTEM YES`.
If this is not desired, `EXCLUDE_FROM_ALL NO` and `SYSTEM NO` can be set afterwards.
After calling `CPMAddPackage`, the following variables are defined in the local scope, where `<dependency>` is the name of the dependency.
- `<dependency>_SOURCE_DIR` is the path to the source of the dependency.
- `<dependency>_BINARY_DIR` is the path to the build directory of the dependency.
- `<dependency>_ADDED` is set to `YES` if the dependency has not been added before, otherwise it is set to `NO`.
- `CPM_LAST_PACKAGE_NAME` is set to the determined name of the last added dependency (equivalent to `<dependency>`).
For using CPM.cmake projects with external package managers, such as conan or vcpkg, setting the variable [`CPM_USE_LOCAL_PACKAGES`](#options) will make CPM.cmake try to add a package through `find_package` first, and add it from source if it doesn't succeed.
In rare cases, this behaviour may be desirable by default. The function `CPMFindPackage` will try to find a local dependency via CMake's `find_package` and fallback to `CPMAddPackage`, if the dependency is not found.
## Updating CPM
To update CPM to the newest version, update the script in the project's root directory, for example by running the same command as for [adding CPM](#adding-cpm).
To update CPM to the newest version, update the script in the project's root directory, for example by running the command above.
Dependencies using CPM will automatically use the updated script of the outermost project.
## Advantages
@ -156,10 +113,6 @@ Dependencies using CPM will automatically use the updated script of the outermos
- **No pre-built binaries** For every new build directory, all dependencies are initially downloaded and built from scratch. To avoid extra downloads it is recommend to set the [`CPM_SOURCE_CACHE`](#CPM_SOURCE_CACHE) environmental variable. Using a caching compiler such as [ccache](https://github.com/TheLartians/Ccache.cmake) can drastically reduce build time.
- **Dependent on good CMakeLists** Many libraries do not have CMakeLists that work well for subprojects. Luckily this is slowly changing, however, until then, some manual configuration may be required (see the snippets [below](#snippets) for examples). For best practices on preparing projects for CPM, see the [wiki](https://github.com/cpm-cmake/CPM.cmake/wiki/Preparing-projects-for-CPM.cmake).
- **First version used** In diamond-shaped dependency graphs (e.g. `A` depends on `C`@1.1 and `B`, which itself depends on `C`@1.2 the first added dependency will be used (in this case `C`@1.1). In this case, B requires a newer version of `C` than `A`, so CPM will emit a warning. This can be easily resolved by adding a new version of the dependency in the outermost project, or by introducing a [package lock file](#package-lock).
- **Some CMake policies set to `NEW`** Including CPM.cmake will lead to several CMake policies being set to `NEW`. Users which need the old behavior will need to manually modify their CMake code to ensure they're set to `OLD` at the appropriate places. The policies are:
- [CMP0077](https://cmake.org/cmake/help/latest/policy/CMP0077.html) and [CMP0126](https://cmake.org/cmake/help/latest/policy/CMP0126.html). They make setting package options from `CMPAddPackage` possible.
- [CMP0135](https://cmake.org/cmake/help/latest/policy/CMP0135.html) It allows for proper package rebuilds of packages which are archives, source cache is not used, and the package URL is changed to an older version.
- [CMP0150](https://cmake.org/cmake/help/latest/policy/CMP0150.html) Relative paths provided to `GIT_REPOSITORY` are treated as relative to the parent project's remote.
For projects with more complex needs and where an extra setup step doesn't matter, it may be worth to check out an external C++ package manager such as [vcpkg](https://github.com/microsoft/vcpkg), [conan](https://conan.io) or [hunter](https://github.com/ruslo/hunter).
Dependencies added with `CPMFindPackage` should work with external package managers.
@ -181,7 +134,8 @@ CPM.cmake is a wrapper for CMake's FetchContent module and adds a number of feat
The most notable features are:
- A simpler to use API
- Version checking: CPM.cmake will check the version number of any added dependency and emit a warning if another dependency requires a more recent version.
- Version checking: CPM.cmake will check the version number of any added dependency and omit a warning if another dependency requires a more recent version.
- Options: any Options passed to a dependency are stored and compared on later use, so if another dependency tries to add an existing dependency with incompatible options a warning will be emitted to the user.
- Offline builds: CPM.cmake will override CMake's download and update commands, which allows new builds to be configured while offline if all dependencies [are available locally](#cpm_source_cache).
- Automatic shallow clone: if a version tag (e.g. `v2.2.0`) is provided and `CPM_SOURCE_CACHE` is used, CPM.cmake will perform a shallow clone of the dependency, which should be significantly faster while using less storage than a full clone.
- Overridable: all `CPMAddPackage` can be configured to use `find_package` by setting a [CMake flag](#cpm_use_local_packages), making it easy to integrate into projects that may require local versioning through the system's package manager.
@ -207,39 +161,18 @@ Note that passing the variable as a configure option to CMake will always overri
You can use `CPM_SOURCE_CACHE` on GitHub Actions workflows [cache](https://github.com/actions/cache) and combine it with ccache, to make your CI faster. See the [wiki](https://github.com/cpm-cmake/CPM.cmake/wiki/Caching-with-CPM.cmake-and-ccache-on-GitHub-Actions) for more info.
The directory where the version for a project is stored is by default the hash of the arguments to `CPMAddPackage()`.
If for instance the patch command uses external files, the directory name can be set with the argument `CUSTOM_CACHE_KEY`.
### CPM_DOWNLOAD_ALL
If set, CPM will forward all calls to `CPMFindPackage` as `CPMAddPackage`.
This is useful to create reproducible builds or to determine if the source parameters have all been set correctly.
This can also be set as an environmental variable.
This can be controlled on a per package basis with the `CPM_DOWNLOAD_<dependency name>` variable.
### CPM_USE_LOCAL_PACKAGES
CPM can be configured to use `find_package` to search for locally installed dependencies first by setting the CMake option `CPM_USE_LOCAL_PACKAGES`.
If the option `CPM_LOCAL_PACKAGES_ONLY` is set, CPM will emit an error if the dependency is not found locally.
These options can also be set as environmental variables.
In the case that `find_package` requires additional arguments, the parameter `FIND_PACKAGE_ARGUMENTS` may be specified in the `CPMAddPackage` call. The value of this parameter will be forwarded to `find_package`.
Note that this does not apply to dependencies that have been defined with a truthy `FORCE` parameter. These will be added as defined.
### CPM_DONT_UPDATE_MODULE_PATH
By default, CPM will override any `find_package` commands to use the CPM downloaded version.
This is equivalent to the `OVERRIDE_FIND_PACKAGE` FetchContent option, which has no effect in CPM.
To disable this behaviour set the `CPM_DONT_UPDATE_MODULE_PATH` option.
This will not work for `find_package(CONFIG)` in CMake versions before 3.24.
### CPM_USE_NAMED_CACHE_DIRECTORIES
If set, CPM use additional directory level in cache to improve readability of packages names in IDEs like CLion. It changes cache structure, so all dependencies are downloaded again. There is no problem to mix both structures in one cache directory but then there may be 2 copies of some dependencies.
This can also be set as an environmental variable.
## Local package override
Library developers are often in the situation where they work on a locally checked out dependency at the same time as on a consumer project.
@ -269,22 +202,6 @@ cmake --build build --target cpm-update-package-lock
See the [wiki](https://github.com/cpm-cmake/CPM.cmake/wiki/Package-lock) for more info.
## Private repositories and CI
When using CPM.cmake with private repositories, there may be a need to provide an [access token](https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/creating-a-personal-access-token) to be able to clone other projects. Instead of providing the token in CMake, we recommend to provide the regular URL and use [git-config](https://git-scm.com/docs/git-config) to rewrite the URLs to include the token.
As an example, you could include one of the following in your CI script.
```bash
# Github
git config --global url."https://${USERNAME}:${TOKEN}@github.com".insteadOf "https://github.com"
```
```bash
# GitLab
git config --global url."https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.com".insteadOf "https://gitlab.com"
```
## Built with CPM.cmake
Some amazing projects that are built using the CPM.cmake package manager.
@ -317,84 +234,6 @@ If you know others, feel free to add them here through a PR.
</a>
</td>
</tr>
<tr>
<td>
<a href="https://git.io/liblava">
<p align="center">
<img src="https://github.com/liblava.png" alt="liblava" width="100pt" />
</p>
<p align="center"><b>liblava - Modern Vulkan library</b></p>
</a>
</td>
<td>
<a href="https://github.com/variar/klogg">
<p align="center">
<img src="https://github.com/variar/klogg/blob/master/src/app/images/hicolor/scalable/klogg.svg" alt="klogg" width="100pt" />
</p>
<p align="center"><b>klogg - fast advanced log explorer</b></p>
</a>
</td>
<td>
<a href="https://github.com/MethanePowered/MethaneKit">
<p align="center">
<img src="https://github.com/MethanePowered/MethaneKit/raw/master/Docs/Images/Logo/MethaneLogoSmall.png" alt="MethaneKit" width="100pt" />
</p>
<p align="center"><b>Methane Kit - modern 3D graphics rendering framework</b></p>
</a>
</td>
</tr>
<tr>
<td>
<a href="https://github.com/jhasse/jngl">
<p align="center">
<img src="https://github.com/jhasse/jngl/raw/master/doc/jngl-logo.svg" alt="JNGL" width="100pt" />
</p>
<p align="center"><b>JNGL - easy to use cross-platform 2D game library</b></p>
</a>
</td>
<td>
<a href="https://github.com/sillydan1/aaltitoad">
<p align="center">
<img src="https://github.com/sillydan1/aaltitoad/raw/v1.1.0/.github/resources/logo/toad_only.svg" alt="aaltitoad" width="100pt" />
</p>
<p align="center"><b>AALTITOAD - verifier and simulator for Tick Tock Automata</b></p>
</a>
</td>
<td>
<a href="https://github.com/ZIMO-Elektronik">
<p align="center">
<img src="https://avatars.githubusercontent.com/u/117935012?s=400&u=9a871a46dd13437f0adcae166e9efbe518ff0b99&v=4" alt="ZIMO-Elektronik" width="100pt" />
</p>
<p align="center"><b>ZIMO-Elektronik</b></p>
</a>
</td>
</tr>
<tr>
<td>
<a href="https://github.com/ada-url/ada">
<p align="center">
<img src="https://avatars.githubusercontent.com/u/120840559?s=200&v=4" alt="ada" width="100pt" />
</p>
<p align="center"><b>ada - WHATWG-compliant and fast URL parser written in modern C++</b></p>
</a>
</td>
<td>
<a href="https://github.com/exaloop/codon">
<p align="center">
<img src="https://github.com/exaloop/codon/blob/develop/docs/img/logo.png?raw=true" alt="codon" width="100pt" />
</p>
<p align="center"><b>codon - A high-performance, zero-overhead, extensible Python compiler using LLVM</b></p>
</a>
</td>
<td>
<a href="https://github.com/RoaringBitmap/CRoaring">
<p align="center">
<img src="https://avatars.githubusercontent.com/u/16548876?s=200&v=4" alt="CRoaring" width="100pt" />
</p>
<p align="center"><b>CRoaring - Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, and StarRocks</b></p>
</a>
</td>
</tr>
</table>
## Snippets
@ -405,59 +244,50 @@ See the [wiki](https://github.com/cpm-cmake/CPM.cmake/wiki/More-Snippets) for mo
### [Catch2](https://github.com/catchorg/Catch2)
```cmake
CPMAddPackage("gh:catchorg/Catch2@2.5.0")
CPMAddPackage(
NAME Catch2
GITHUB_REPOSITORY catchorg/Catch2
VERSION 2.5.0
)
```
### [Range-v3](https://github.com/ericniebler/range-v3)
### [Boost (via boost-cmake)](https://github.com/Orphis/boost-cmake)
```Cmake
CPMAddPackage("gh:ericniebler/range-v3#0.12.0")
```CMake
CPMAddPackage(
NAME boost-cmake
GITHUB_REPOSITORY Orphis/boost-cmake
VERSION 1.67.0
)
```
### [cxxopts](https://github.com/jarro2783/cxxopts)
```cmake
CPMAddPackage(
NAME cxxopts
GITHUB_REPOSITORY jarro2783/cxxopts
VERSION 2.2.0
OPTIONS
"CXXOPTS_BUILD_EXAMPLES Off"
"CXXOPTS_BUILD_TESTS Off"
)
```
### [Yaml-cpp](https://github.com/jbeder/yaml-cpp)
```CMake
# as the tag is in an unusual format, we need to explicitly specify the version
CPMAddPackage("gh:jbeder/yaml-cpp#yaml-cpp-0.6.3@0.6.3")
```
### [nlohmann/json](https://github.com/nlohmann/json)
```cmake
CPMAddPackage(
URI "gh:nlohmann/json@3.9.1"
OPTIONS "JSON_BuildTests OFF"
)
```
### [Boost](https://github.com/boostorg/boost)
Boost is a large project and will take a while to download. Using
`CPM_SOURCE_CACHE` is strongly recommended. Cloning moves much more
data than a source archive, so this sample will use a compressed
source archive (tar.xz) release from Boost's github page.
```CMake
# boost is a huge project and directly downloading the 'alternate release'
# from github is much faster than recursively cloning the repo.
CPMAddPackage(
NAME Boost
VERSION 1.84.0
URL https://github.com/boostorg/boost/releases/download/boost-1.84.0/boost-1.84.0.tar.xz
URL_HASH SHA256=2e64e5d79a738d0fa6fb546c6e5c2bd28f88d268a2a080546f74e5ff98f29d0e
OPTIONS "BOOST_ENABLE_CMAKE ON"
)
```
For a working example of using CPM to download and configure the Boost C++ Libraries see [here](examples/boost).
### [cxxopts](https://github.com/jarro2783/cxxopts)
```cmake
# the install option has to be explicitly set to allow installation
CPMAddPackage(
URI "gh:jarro2783/cxxopts@2.2.1"
OPTIONS "CXXOPTS_BUILD_EXAMPLES NO" "CXXOPTS_BUILD_TESTS NO" "CXXOPTS_ENABLE_INSTALL YES"
NAME yaml-cpp
GITHUB_REPOSITORY jbeder/yaml-cpp
# 0.6.2 uses deprecated CMake syntax
VERSION 0.6.3
# 0.6.3 is not released yet, so use a recent commit
GIT_TAG 012269756149ae99745b6dafefd415843d7420bb
OPTIONS
"YAML_CPP_BUILD_TESTS Off"
"YAML_CPP_BUILD_CONTRIB Off"
"YAML_CPP_BUILD_TOOLS Off"
)
```
@ -465,13 +295,50 @@ CPMAddPackage(
```cmake
CPMAddPackage(
URI "gh:google/benchmark@1.5.2"
OPTIONS "BENCHMARK_ENABLE_TESTING Off"
NAME benchmark
GITHUB_REPOSITORY google/benchmark
VERSION 1.4.1
OPTIONS
"BENCHMARK_ENABLE_TESTING Off"
)
if(benchmark_ADDED)
# enable c++11 to avoid compilation errors
set_target_properties(benchmark PROPERTIES CXX_STANDARD 11)
if (benchmark_ADDED)
# compile with C++17
set_target_properties(benchmark PROPERTIES CXX_STANDARD 17)
endif()
```
### [nlohmann/json](https://github.com/nlohmann/json)
```cmake
CPMAddPackage(
NAME nlohmann_json
VERSION 3.6.1
# the git repo is incredibly large, so we download the archived include directory
URL https://github.com/nlohmann/json/releases/download/v3.6.1/include.zip
URL_HASH SHA256=69cc88207ce91347ea530b227ff0776db82dcb8de6704e1a3d74f4841bc651cf
)
if (nlohmann_json_ADDED)
add_library(nlohmann_json INTERFACE IMPORTED)
target_include_directories(nlohmann_json INTERFACE ${nlohmann_json_SOURCE_DIR})
endif()
```
### [Range-v3](https://github.com/ericniebler/range-v3)
```Cmake
CPMAddPackage(
NAME range-v3
URL https://github.com/ericniebler/range-v3/archive/0.5.0.zip
VERSION 0.5.0
# the range-v3 CMakeLists screws with configuration options
DOWNLOAD_ONLY True
)
if(range-v3_ADDED)
add_library(range-v3 INTERFACE IMPORTED)
target_include_directories(range-v3 INTERFACE "${range-v3_SOURCE_DIR}/include")
endif()
```
@ -504,85 +371,3 @@ For a full example on using CPM to download and configure lua with sol2 see [her
### Full Examples
See the [examples directory](https://github.com/cpm-cmake/CPM.cmake/tree/master/examples) for full examples with source code and check out the [wiki](https://github.com/cpm-cmake/CPM.cmake/wiki/More-Snippets) for many more example snippets.
## Source Archives from GitHub
Using a compressed source archive is usually much faster than a shallow
clone. Optionally, you can verify the integrity using
[SHA256](https://en.wikipedia.org/wiki/SHA-2) or similar. Setting the hash is useful to ensure a
specific source is imported, especially since tags, branches, and
archives can change.
Let's look at adding [spdlog](https://github.com/gabime/spdlog) to a project:
```cmake
CPMAddPackage(
NAME spdlog
URL https://github.com/gabime/spdlog/archive/refs/tags/v1.12.0.zip
URL_HASH SHA256=6174bf8885287422a6c6a0312eb8a30e8d22bcfcee7c48a6d02d1835d7769232
)
```
URL_HASH is optional, but it's a good idea for releases.
### Identifying the URL
Information for determining the URL is found
[here](https://docs.github.com/en/repositories/working-with-files/using-files/downloading-source-code-archives#source-code-archive-urls).
#### Release
Not every software package provides releases, but for those that do,
they can be found on the release page of the project. In a browser,
the URL of the specific release is determined in a browser is
determined by right clicking and selecting `Copy link address` (or
similar) for the desired release. This is the value you will use in
the URL section.
This is the URL for spdlog release 1.13.0 in zip format:
`https://github.com/gabime/spdlog/archive/refs/tags/v1.13.0.zip`
#### Branch
The URL for branches is non-obvious from a browser. But it's still fairly easy to figure it out. The format is as follows:
`https://github.com/<user>/<name>/archive/refs/heads/<branch-name>.<archive-type>`
Archive type can be one of `tar.gz` or `zip`.
The URL for branch `v2.x` of spdlog is:
`https://github.com/gabime/spdlog/archive/refs/heads/v2.x.tar.gz`
#### Tag
Tags are similar, but with this format:
`https://github.com/<user>/<name>/archive/refs/tags/<tag-name>.<archive-type>`
Tag `v1.8.5` of spdlog is this:
`https://github.com/gabime/spdlog/archive/refs/tags/v1.8.5.tar.gz`
Exactly like the release.
#### Commit
If a specific commit contains the code you need, it's defined as follows:
`https://github.com/<user>/<name>/archive/<commit-hash>.<archive-type>`
Example:
`https://github.com/gabime/spdlog/archive/c1569a3d293a6b511ecb9c18b2298826c9578d9f.tar.gz`
### Determining the Hash
The following snippet illustrates determining the SHA256 hash on a linux machine using `wget` and `sha256sum`:
```bash
wget https://github.com/gabime/spdlog/archive/refs/tags/v1.13.0.zip -O - | sha256sum
```

View File

@ -1,75 +0,0 @@
parse:
additional_commands:
cpmaddpackage:
pargs:
nargs: '*'
flags: []
spelling: CPMAddPackage
kwargs: &cpmaddpackagekwargs
NAME: 1
FORCE: 1
VERSION: 1
GIT_TAG: 1
DOWNLOAD_ONLY: 1
GITHUB_REPOSITORY: 1
GITLAB_REPOSITORY: 1
GIT_REPOSITORY: 1
SVN_REPOSITORY: 1
SVN_REVISION: 1
SOURCE_DIR: 1
DOWNLOAD_COMMAND: 1
FIND_PACKAGE_ARGUMENTS: 1
NO_CACHE: 1
GIT_SHALLOW: 1
URL: 1
URL_HASH: 1
URL_MD5: 1
DOWNLOAD_NAME: 1
DOWNLOAD_NO_EXTRACT: 1
HTTP_USERNAME: 1
HTTP_PASSWORD: 1
EXCLUDE_FROM_ALL: 1
SYSTEM: 1
SOURCE_SUBDIR: 1
PATCHES: +
OPTIONS: +
cpmfindpackage:
pargs:
nargs: '*'
flags: []
spelling: CPMFindPackage
kwargs: *cpmaddpackagekwargs
cpmdeclarepackage:
pargs:
nargs: '*'
flags: []
spelling: CPMDeclarePackage
kwargs: *cpmaddpackagekwargs
packageproject:
pargs:
nargs: '*'
flags: []
spelling: packageProject
kwargs:
NAME: 1
VERSION: 1
NAMESPACE: 1
INCLUDE_DIR: 1
INCLUDE_DESTINATION: 1
INCLUDE_HEADER_PATTERN: 1
BINARY_DIR: 1
COMPATIBILITY: 1
VERSION_HEADER: 1
EXPORT_HEADER: 1
DISABLE_VERSION_SUFFIX: 1
CPACK: 1
DEPENDENCIES: +
cpmusepackagelock:
pargs: 1
spelling: CPMUsePackageLock
cpmregisterpackage:
pargs: 1
spelling: CPMRegisterPackage
cpmgetpackageversion:
pargs: 2
spelling: CPMGetPackageVersion

File diff suppressed because it is too large Load Diff

View File

@ -1,11 +1,8 @@
# SPDX-License-Identifier: MIT
#
# SPDX-FileCopyrightText: Copyright (c) 2019-2023 Lars Melchior and contributors
set(CPM_DOWNLOAD_VERSION 1.0.0-development-version)
set(CPM_HASH_SUM "CPM_HASH_SUM_PLACEHOLDER")
if(CPM_SOURCE_CACHE)
# Expand relative path. This is important if the provided path contains a tilde (~)
get_filename_component(CPM_SOURCE_CACHE ${CPM_SOURCE_CACHE} ABSOLUTE)
set(CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
elseif(DEFINED ENV{CPM_SOURCE_CACHE})
set(CPM_DOWNLOAD_LOCATION "$ENV{CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
@ -13,12 +10,12 @@ else()
set(CPM_DOWNLOAD_LOCATION "${CMAKE_BINARY_DIR}/cmake/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
endif()
# Expand relative path. This is important if the provided path contains a tilde (~)
get_filename_component(CPM_DOWNLOAD_LOCATION ${CPM_DOWNLOAD_LOCATION} ABSOLUTE)
file(DOWNLOAD
if(NOT (EXISTS ${CPM_DOWNLOAD_LOCATION}))
message(STATUS "Downloading CPM.cmake to ${CPM_DOWNLOAD_LOCATION}")
file(DOWNLOAD
https://github.com/cpm-cmake/CPM.cmake/releases/download/v${CPM_DOWNLOAD_VERSION}/CPM.cmake
${CPM_DOWNLOAD_LOCATION} EXPECTED_HASH SHA256=${CPM_HASH_SUM}
)
${CPM_DOWNLOAD_LOCATION}
)
endif()
include(${CPM_DOWNLOAD_LOCATION})

View File

@ -3,7 +3,7 @@ function(ASSERT_EQUAL)
message(FATAL_ERROR "assertion failed: invalid argument count: ${ARGC}")
endif()
if(NOT "${ARGV0}" STREQUAL "${ARGV1}")
if(NOT ${ARGV0} STREQUAL ${ARGV1})
message(FATAL_ERROR "assertion failed: '${ARGV0}' != '${ARGV1}'")
else()
message(STATUS "test passed: '${ARGV0}' == '${ARGV1}'")
@ -15,7 +15,7 @@ function(ASSERT_NOT_EQUAL)
message(FATAL_ERROR "assertion failed: invalid argument count: ${ARGC}")
endif()
if("${ARGV0}" STREQUAL "${ARGV1}")
if(${ARGV0} STREQUAL ${ARGV1})
message(FATAL_ERROR "assertion failed: '${ARGV0}' == '${ARGV1}'")
else()
message(STATUS "test passed: '${ARGV0}' != '${ARGV1}'")
@ -32,13 +32,13 @@ function(ASSERT_DEFINED KEY)
if(DEFINED ${KEY})
message(STATUS "test passed: '${KEY}' is defined")
else()
message(FATAL_ERROR "assertion failed: '${KEY}' is not defined")
message(FATAL_ERROR "assertion failed: '${KEY}' is not defiend")
endif()
endfunction()
function(ASSERT_NOT_DEFINED KEY)
if(DEFINED ${KEY})
message(FATAL_ERROR "assertion failed: '${KEY}' is defined (${${KEY}})")
message(FATAL_ERROR "assertion failed: '${KEY}' is defiend")
else()
message(STATUS "test passed: '${KEY}' is not defined")
endif()
@ -48,15 +48,7 @@ function(ASSERT_TRUTHY KEY)
if(${${KEY}})
message(STATUS "test passed: '${KEY}' is set truthy")
else()
message(FATAL_ERROR "assertion failed: value of '${KEY}' is not truthy (${${KEY}})")
endif()
endfunction()
function(ASSERT_FALSY KEY)
if(${${KEY}})
message(FATAL_ERROR "assertion failed: value of '${KEY}' is not falsy (${${KEY}})")
else()
message(STATUS "test passed: '${KEY}' is set falsy")
message(FATAL_ERROR "assertion failed: value of '${KEY}' is not true (${${KEY}})")
endif()
endfunction()
@ -79,16 +71,3 @@ function(ASSERT_NOT_EXISTS file)
message(FATAL_ERROR "assertion failed: file ${file} exists")
endif()
endfunction()
function(ASSERT_CONTENTS_EQUAL file content)
if(EXISTS ${file})
file(READ ${file} file_content)
if(content STREQUAL file_content)
message(STATUS "test passed: '${file}' exists and contains '${content}'")
else()
message(FATAL_ERROR "assertion failed: file '${file}' does not contain expected content.")
endif()
else()
message(FATAL_ERROR "assertion failed: file '${file} does not exist")
endif()
endfunction()

View File

@ -1,7 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(CPMTestingFrameworkExample)
include(../../cmake/CPM.cmake)
CPMAddPackage("bb:HEMRND/TestingFramework@0.4.1")
add_test_suites(TESTS SomeTest)

View File

@ -1,19 +0,0 @@
#include <HEM/TestingFramework.hpp>
using namespace fakeit;
class ITest {
public:
virtual int getInt() = 0;
};
TEST_CASE("Testing Framework Test") {
constexpr int someIntValue = 123456;
Mock<ITest> testMock;
When(Method(testMock, getInt)).Return(someIntValue);
int readValue = testMock.get().getInt();
REQUIRE(readValue == someIntValue);
}

View File

@ -8,7 +8,12 @@ include(../../cmake/CPM.cmake)
find_package(Threads REQUIRED)
CPMAddPackage("gh:chriskohlhoff/asio#asio-1-18-1@1.18.1")
CPMAddPackage(
NAME asio
VERSION 1.18.1
GITHUB_REPOSITORY chriskohlhoff/asio
GIT_TAG asio-1-18-1 # asio uses non-standard version tag, we must specify GIT_TAG
)
# ASIO doesn't use CMake, we have to configure it manually. Extra notes for using on Windows:
#

View File

@ -6,17 +6,21 @@ project(CPMExampleBenchmark)
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:cpm-cmake/testpack-fibonacci@2.0")
CPMAddPackage(
NAME fibonacci
GITLAB_REPOSITORY TheLartians/Fibonacci
VERSION 2.0
)
CPMAddPackage(
NAME benchmark
GITHUB_REPOSITORY google/benchmark
VERSION 1.7.1
VERSION 1.5.2
OPTIONS "BENCHMARK_ENABLE_TESTING Off"
)
if(benchmark_ADDED)
# enable c++11 to avoid compilation errors
# Don't use C++14 because it doesn't work in some configurations.
set_target_properties(benchmark PROPERTIES CXX_STANDARD 11)
endif()

View File

@ -11,14 +11,13 @@ target_compile_features(CPMExampleBoost PRIVATE cxx_std_17)
include(../../cmake/CPM.cmake)
CPMAddPackage(
CPMFindPackage(
NAME Boost
VERSION 1.86.0 # Versions less than 1.85.0 may need patches for installation targets.
URL https://github.com/boostorg/boost/releases/download/boost-1.86.0/boost-1.86.0-cmake.tar.xz
URL_HASH SHA256=2c5ec5edcdff47ff55e27ed9560b0a0b94b07bd07ed9928b476150e16b0efc57
OPTIONS "BOOST_ENABLE_CMAKE ON" "BOOST_SKIP_INSTALL_RULES ON" # Set `OFF` for installation
"BUILD_SHARED_LIBS OFF" "BOOST_INCLUDE_LIBRARIES container\\\;asio" # Note the escapes!
GITHUB_REPOSITORY Orphis/boost-cmake
VERSION 1.67.0
FIND_PACKAGE_ARGUMENTS "COMPONENTS system"
)
# `Boost::headers` is also valid
target_link_libraries(CPMExampleBoost PRIVATE Boost::asio Boost::container)
find_package(Threads REQUIRED)
target_link_libraries(CPMExampleBoost PRIVATE Boost::system Threads::Threads)

View File

@ -9,22 +9,14 @@
//
#include <boost/asio.hpp>
#include <boost/container/devector.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <iostream>
#include <string>
boost::container::devector<std::string> strings;
void print(const boost::system::error_code& /*e*/) {
for (const auto& a : strings) std::cout << a;
}
void print(const boost::system::error_code& /*e*/) { std::cout << "Hello, world!" << std::endl; }
int main() {
boost::asio::io_service io;
strings.push_back("Hello, world!\n");
boost::asio::deadline_timer t(io, boost::posix_time::seconds(1));
t.async_wait(&print);

View File

@ -26,7 +26,7 @@ for example in examples:
print("running example %s" % example.name)
print("================" + ('=' * len(example.name)))
project = Path(".") / 'build' / example.name
configure = runCommand('cmake -S%s -B%s' % (example, project))
configure = runCommand('cmake -H%s -B%s' % (example, project))
print(' ' + '\n '.join([line for line in configure.split('\n') if 'CPM:' in line]))
build = runCommand('cmake --build %s -- -j%i' % (project, os.cpu_count() / 2))
print(' ' + '\n '.join([line for line in build.split('\n') if 'Built target' in line]))

View File

@ -6,13 +6,22 @@ project(CPMExampleCatch2)
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:cpm-cmake/testpack-fibonacci@2.0")
CPMAddPackage("gh:catchorg/Catch2@3.4.0")
CPMAddPackage(
NAME fibonacci
GITHUB_REPOSITORY TheLartians/Fibonacci
VERSION 2.0
)
CPMAddPackage(
NAME Catch2
GITHUB_REPOSITORY catchorg/Catch2
VERSION 2.13.4
)
# ---- Create binary ----
add_executable(CPMExampleCatch2 main.cpp)
target_link_libraries(CPMExampleCatch2 fibonacci Catch2::Catch2WithMain)
target_link_libraries(CPMExampleCatch2 fibonacci Catch2)
target_compile_features(CPMExampleCatch2 PRIVATE cxx_std_17)
# ---- Enable testing ----

View File

@ -1,6 +1,8 @@
#define CATCH_CONFIG_MAIN
#include <fibonacci.h>
#include <catch2/catch_test_macros.hpp>
#include <catch2/catch.hpp>
TEST_CASE("fibonacci") {
REQUIRE(fibonacci(0) == 0);

View File

@ -6,7 +6,12 @@ project(CPMExampleCXXOpts)
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:jarro2783/cxxopts@2.2.0")
CPMAddPackage(
NAME cxxopts
GITHUB_REPOSITORY jarro2783/cxxopts
VERSION 2.2.0
OPTIONS "CXXOPTS_BUILD_EXAMPLES Off" "CXXOPTS_BUILD_TESTS Off"
)
# ---- Create binary ----

View File

@ -3,14 +3,8 @@
int main(int argc, char** argv) {
cxxopts::Options options("MyProgram", "One line description of MyProgram");
// clang-format off
options.add_options()
("h,help", "Show help")
("d,debug", "Enable debugging")
("f,file", "File name", cxxopts::value<std::string>()
);
// clang-format on
options.add_options()("h,help", "Show help")("d,debug", "Enable debugging")(
"f,file", "File name", cxxopts::value<std::string>());
auto result = options.parse(argc, argv);

View File

@ -6,8 +6,17 @@ project(CPMExampleDoctest)
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:cpm-cmake/testpack-fibonacci@2.0")
CPMAddPackage("gh:onqtam/doctest@2.4.9")
CPMAddPackage(
NAME fibonacci
GITLAB_REPOSITORY TheLartians/Fibonacci
VERSION 2.0
)
CPMAddPackage(
NAME doctest
GITHUB_REPOSITORY onqtam/doctest
GIT_TAG 2.4.5
)
# ---- Create binary ----

View File

@ -9,7 +9,8 @@ include(../../cmake/CPM.cmake)
CPMAddPackage(
NAME EnTT
VERSION 3.1.1
GITHUB_REPOSITORY skypjack/entt # EnTT's CMakeLists screws with configuration options
GITHUB_REPOSITORY skypjack/entt
# EnTT's CMakeLists screws with configuration options
DOWNLOAD_ONLY True
)

View File

@ -1,12 +1,16 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(CPMFmtExample)
project(CPMJSONExample)
# ---- Dependencies ----
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:fmtlib/fmt#7.1.3")
CPMAddPackage(
NAME fmt
GIT_TAG 7.1.3
GITHUB_REPOSITORY fmtlib/fmt
)
# ---- Executable ----

View File

@ -6,13 +6,17 @@ project(CPMExampleGtest)
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:cpm-cmake/testpack-fibonacci@2.0")
CPMAddPackage(
NAME fibonacci
GITLAB_REPOSITORY TheLartians/Fibonacci
VERSION 2.0
)
CPMAddPackage(
NAME googletest
GITHUB_REPOSITORY google/googletest
GIT_TAG release-1.12.1
VERSION 1.12.1
GIT_TAG release-1.10.0
VERSION 1.10.0
OPTIONS "INSTALL_GTEST OFF" "gtest_force_shared_crt"
)

View File

@ -1,28 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(CPMExamplePatchHighway)
# ---- Dependencies ----
include(../../cmake/CPM.cmake)
# Google's highway Includes a SIMD sorting function that is faster than x86-simd-sort for larger
# arrays. See: https://github.com/google/highway/blob/master/g3doc/quick_reference.md
CPMAddPackage(
NAME highway
URL https://github.com/google/highway/archive/refs/tags/1.1.0.tar.gz
URL_HASH SHA256=354a8b4539b588e70b98ec70844273e3f2741302c4c377bcc4e81b3d1866f7c9
PATCHES "highway.patch" # This adds SYSTEM to the includes.
OPTIONS "HWY_ENABLE_EXAMPLES OFF" "HWY_ENABLE_INSTALL OFF" "HWY_ENABLE_TESTS OFF"
)
# ---- Executable ----
if(LINUX)
# This would cause a float compare error inside the highway header code if the patch is NOT
# applied.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wfloat-equal")
endif()
add_executable(CPMExamplePatchHighway "main.cpp")
target_link_libraries(CPMExamplePatchHighway hwy hwy_contrib)

View File

@ -1,28 +0,0 @@
Common subdirectories: a/.bcr and b/.bcr
Common subdirectories: a/.github and b/.github
diff -u a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt 2024-05-21 12:50:37.738318520 -0500
+++ b/CMakeLists.txt 2024-05-21 12:49:59.914226871 -0500
@@ -350,7 +350,7 @@
target_compile_options(hwy PRIVATE ${HWY_FLAGS})
set_property(TARGET hwy PROPERTY POSITION_INDEPENDENT_CODE ON)
set_target_properties(hwy PROPERTIES VERSION ${LIBRARY_VERSION} SOVERSION ${LIBRARY_SOVERSION})
-target_include_directories(hwy PUBLIC
+target_include_directories(hwy SYSTEM PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
target_compile_features(hwy PUBLIC cxx_std_11)
@@ -370,7 +370,7 @@
target_compile_options(hwy_contrib PRIVATE ${HWY_FLAGS})
set_property(TARGET hwy_contrib PROPERTY POSITION_INDEPENDENT_CODE ON)
set_target_properties(hwy_contrib PROPERTIES VERSION ${LIBRARY_VERSION} SOVERSION ${LIBRARY_SOVERSION})
-target_include_directories(hwy_contrib PUBLIC
+target_include_directories(hwy_contrib SYSTEM PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
target_compile_features(hwy_contrib PUBLIC cxx_std_11)
Common subdirectories: a/cmake and b/cmake
Common subdirectories: a/debian and b/debian
Common subdirectories: a/docs and b/docs
Common subdirectories: a/g3doc and b/g3doc
Common subdirectories: a/hwy and b/hwy

View File

@ -1,27 +0,0 @@
#include <hwy/contrib/sort/vqsort.h> // hwy::VQSort() for large data sets
#include <cstdint>
#include <random>
#include <vector>
// Use hwy::VQSort to sort larger vectors
inline void sort_large(std::vector<double>& v) {
hwy::VQSort(v.data(), v.size(), hwy::SortAscending{});
}
int main(int, char**) {
std::random_device random_device;
std::default_random_engine random_engine(random_device());
std::uniform_real_distribution<double> uniform_dist(0.0, 100.0);
const std::size_t sz = 100000;
std::vector<double> v;
v.reserve(sz);
for (std::size_t i = 0; i < sz; ++i) {
v.push_back(uniform_dist(random_engine));
}
sort_large(v);
return 0;
}

View File

@ -5,10 +5,22 @@ project(CPMJSONExample)
# ---- Dependencies ----
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:nlohmann/json@3.10.5")
CPMAddPackage(
NAME nlohmann_json
VERSION 3.9.1
# not using the repo as it takes forever to clone
URL https://github.com/nlohmann/json/releases/download/v3.9.1/include.zip
URL_HASH SHA256=6bea5877b1541d353bd77bdfbdb2696333ae5ed8f9e8cc22df657192218cad91
)
if(nlohmann_json_ADDED)
add_library(nlohmann_json INTERFACE)
target_include_directories(nlohmann_json SYSTEM INTERFACE ${nlohmann_json_SOURCE_DIR}/include)
endif()
# ---- Executable ----
add_executable(CPMJSONExample main.cpp)
target_compile_features(CPMJSONExample PRIVATE cxx_std_17)
target_link_libraries(CPMJSONExample nlohmann_json::nlohmann_json)
target_link_libraries(CPMJSONExample nlohmann_json)

View File

@ -6,7 +6,11 @@ project(CPMlinenoiseExample)
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:antirez/linenoise#1.0")
CPMAddPackage(
NAME linenoise
GIT_TAG 1.0
GITHUB_REPOSITORY antirez/linenoise
)
if(linenoise_ADDED)
add_library(linenoise ${linenoise_SOURCE_DIR}/linenoise.c)

View File

@ -56,7 +56,7 @@ int main(int argc, char **argv) {
int len = atoi(line + 11);
linenoiseHistorySetMaxLen(len);
} else if (line[0] == '/') {
printf("Unrecognized command: %s\n", line);
printf("Unreconized command: %s\n", line);
}
free(line);
}

View File

@ -6,7 +6,18 @@ project(CPMRangev3Example)
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:ericniebler/range-v3#0.12.0")
CPMAddPackage(
NAME range-v3
URL https://github.com/ericniebler/range-v3/archive/0.11.0.zip
VERSION 0.11.0
# the range-v3 CMakeLists screws with configuration options
DOWNLOAD_ONLY True
)
if(range-v3_ADDED)
add_library(range-v3 INTERFACE IMPORTED)
target_include_directories(range-v3 SYSTEM INTERFACE "${range-v3_SOURCE_DIR}/include")
endif()
# ---- Executable ----

View File

@ -32,7 +32,7 @@ auto is_six = [](int i) { return i == 6; };
int main() {
std::vector<int> v{6, 2, 3, 4, 5, 6};
cout << std::boolalpha;
cout << "vector: " << ranges::views::all(v) << '\n';
cout << "vector: " << ranges::view::all(v) << '\n';
cout << "vector any_of is_six: " << ranges::any_of(v, is_six) << '\n';
cout << "vector all_of is_six: " << ranges::all_of(v, is_six) << '\n';

View File

@ -1,14 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(CPMSIMDJSONExample)
# ---- Dependencies ----
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:simdjson/simdjson@3.5.0")
# ---- Executable ----
add_executable(CPMSIMDJSONExample main.cpp)
target_compile_features(CPMSIMDJSONExample PRIVATE cxx_std_17)
target_link_libraries(CPMSIMDJSONExample simdjson::simdjson)

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@ -1,31 +0,0 @@
#include <iostream>
#include "simdjson.h"
using namespace simdjson;
int main() {
ondemand::parser parser;
auto cars_json = R"( [
{ "make": "Toyota", "model": "Camry", "year": 2018, "tire_pressure": [ 40.1, 39.9, 37.7, 40.4 ] },
{ "make": "Kia", "model": "Soul", "year": 2012, "tire_pressure": [ 30.1, 31.0, 28.6, 28.7 ] },
{ "make": "Toyota", "model": "Tercel", "year": 1999, "tire_pressure": [ 29.8, 30.0, 30.2, 30.5 ] }
] )"_padded;
// Iterating through an array of objects
for (ondemand::object car : parser.iterate(cars_json)) {
// Accessing a field by name
std::cout << "Make/Model: " << std::string_view(car["make"]) << "/"
<< std::string_view(car["model"]) << std::endl;
// Casting a JSON element to an integer
uint64_t year = car["year"];
std::cout << "- This car is " << 2020 - year << " years old." << std::endl;
// Iterating through an array of floats
double total_tire_pressure = 0;
for (double tire_pressure : car["tire_pressure"]) {
total_tire_pressure += tire_pressure;
}
std::cout << "- Average tire pressure: " << (total_tire_pressure / 4) << std::endl;
}
}

View File

@ -8,29 +8,36 @@ include(../../cmake/CPM.cmake)
CPMAddPackage(
NAME lua
GITHUB_REPOSITORY lua/lua
GIT_REPOSITORY https://github.com/lua/lua.git
VERSION 5.3.5
DOWNLOAD_ONLY YES
)
if(lua_ADDED)
# lua has no CMakeLists, so we create our own target
file(GLOB lua_sources ${lua_SOURCE_DIR}/*.c)
list(REMOVE_ITEM lua_sources "${lua_SOURCE_DIR}/lua.c" "${lua_SOURCE_DIR}/luac.c")
add_library(lua STATIC ${lua_sources})
target_include_directories(lua SYSTEM PUBLIC $<BUILD_INTERFACE:${lua_SOURCE_DIR}>)
endif()
CPMAddPackage(
NAME sol2
GITHUB_REPOSITORY ThePhD/sol2
VERSION 3.3.0
# fix for clang 18.1.0, see https://github.com/ThePhD/sol2/issues/1581#issuecomment-2103463524
PATCHES fix_for_clang.patch
URL https://github.com/ThePhD/sol2/archive/v3.0.2.zip
VERSION 3.0.2
DOWNLOAD_ONLY YES
)
if(sol2_ADDED)
add_library(sol2 INTERFACE IMPORTED)
target_include_directories(sol2 SYSTEM INTERFACE ${sol2_SOURCE_DIR}/include)
target_link_libraries(sol2 INTERFACE lua)
endif()
# ---- Executable ----
add_executable(CPMSol2Example main.cpp)
target_compile_features(CPMSol2Example PRIVATE cxx_std_17)
target_link_libraries(CPMSol2Example sol2 lua)
target_link_libraries(CPMSol2Example sol2)

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@ -1,18 +0,0 @@
diff -u a/include/sol/function_types_stateless.hpp b/include/types/function_types_stateless.hpp
--- a/include/sol/function_types_stateless.hpp
+++ b/include/sol/function_types_stateless.hpp
@@ -322,7 +322,13 @@ namespace sol { namespace function_detail {
}
template <bool is_yielding, bool no_trampoline>
- static int call(lua_State* L) noexcept(std::is_nothrow_copy_assignable_v<T>) {
+ static int call(lua_State* L)
+#if SOL_IS_ON(SOL_COMPILER_CLANG)
+ // apparent regression in clang 18 - llvm/llvm-project#91362
+#else
+ noexcept(std::is_nothrow_copy_assignable_v<T>)
+#endif
+ {
int nr;
if constexpr (no_trampoline) {
nr = real_call(L);

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@ -6,21 +6,11 @@ project(CPMSpdlogExample)
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:gabime/spdlog@1.8.2")
# spdlog uses fmt and bundles that dependency. If you want to use fmt in your project as well, you
# can let spdlog reuse fmt from CPM.cmake like this:
#
# cmake-format: off
#
# CPMAddPackage("gh:fmtlib/fmt#7.1.3")
# CPMAddPackage(
# GITHUB_REPOSITORY gabime/spdlog
# VERSION 1.8.2
# OPTIONS "SPDLOG_FMT_EXTERNAL 1"
# )
#
# cmake-format: on
CPMAddPackage(
NAME spdlog
GITHUB_REPOSITORY gabime/spdlog
VERSION 1.8.2
)
# ---- Executable ----

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@ -1,20 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(CPMxxHashExample)
# ---- Dependencies ----
include(../../cmake/CPM.cmake)
CPMAddPackage(
GITHUB_REPOSITORY Cyan4973/xxHash
GIT_TAG v0.8.2
OPTIONS "XXHASH_BUILD_ENABLE_INLINE_API OFF" "XXHASH_BUILD_XXHSUM OFF"
SOURCE_SUBDIR cmake_unofficial
)
# ---- Executable ----
add_executable(CPMxxHashExample main.cpp)
target_compile_features(CPMxxHashExample PRIVATE cxx_std_17)
target_link_libraries(CPMxxHashExample xxHash::xxhash)

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@ -1,12 +0,0 @@
#include <xxh3.h>
#include <iostream>
int main() {
std::string example = "Hello World!";
XXH64_hash_t hash = XXH3_64bits(example.data(), example.size());
std::cout << "Hash: " << hash << std::endl;
return 0;
}

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@ -6,7 +6,13 @@ project(CPMYamlExample)
include(../../cmake/CPM.cmake)
CPMAddPackage("gh:jbeder/yaml-cpp#yaml-cpp-0.6.3@0.6.3")
CPMAddPackage(
NAME yaml-cpp
GIT_REPOSITORY https://github.com/jbeder/yaml-cpp.git
VERSION 0.6.3
GIT_TAG yaml-cpp-0.6.3
OPTIONS "YAML_CPP_BUILD_TESTS Off" "YAML_CPP_BUILD_CONTRIB Off" "YAML_CPP_BUILD_TOOLS Off"
)
# ---- Executable ----

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@ -14,5 +14,3 @@ foreach(test ${tests})
endforeach()
add_custom_target(test-verbose COMMAND ${CMAKE_CTEST_COMMAND} -C Debug --verbose)
add_subdirectory(style)

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@ -1,2 +0,0 @@
# Use this to have a local integration test which is for personal experiments
test_local.rb

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@ -1,44 +0,0 @@
# CPM.cmake Integration Tests
The integration tests of CPM.cmake are written in Ruby. They use a custom integration test framework which extends the [Test::Unit](https://www.rubydoc.info/github/test-unit/test-unit/Test/Unit) library.
They require Ruby 2.7.0 or later.
## Running tests
To run all tests from the repo root execute:
```
$ ruby test/integration/runner.rb
```
The runner will run all tests and generate a report of the execution.
The current working directory doesn't matter. If you are in `<repo-root>/test/integration`, you can run simply `$ ruby runner.rb`.
You can execute with `--help` (`$ ruby runner.rb --help`) to see various configuration options of the runner like running individual tests or test cases, or ones that match a regex.
The tests themselves are situated in the Ruby scripts prefixed with `test_`. `<repo-root>/test/integration/test_*`. You can also run an individual test script. For example to only run the **basics** test case, you can execute `$ ruby test_basics.rb`
The tests generate CMake scripts and execute CMake and build toolchains. By default they do this in a directory they generate in your temp path (`/tmp/cpm-test/` on Linux). You can configure the working directory of the tests with an environment variable `CPM_INTEGRATION_TEST_DIR`. For example `$ CPM_INTEGRATION_TEST_DIR=~/mycpmtest; ruby runner.rb`
## Writing tests
Writing tests makes use of the custom integration test framework in `lib.rb`. It is a relatively small extension of Ruby's Test::Unit library.
### The Gist
* Tests cases are Ruby scripts in this directory. The file names must be prefixed with `test_`
* The script should `require_relative './lib'` to allow for individual execution (or else if will only be executable from the runner)
* A test case file should contain a single class which inherits from `IntegrationTest`. It *can* contain multiple classes, but that's bad practice as it makes individual execution harder and implies a dependency between the classes.
* There should be no dependency between the test scripts. Each should be executable individually and the order in which multiple ones are executed mustn't matter.
* The class should contain methods, also prefixed with `test_` which will be executed by the framework. In most cases there would be a single test method per class.
* In case there are multiple test methods, they will be executed in the order in which they are defined.
* The test methods should contain assertions which check for the expected state of things at various points of the test's execution.
### More
* [A basic tutorial on writing integration tests.](tutorial.md)
* [A brief reference of the integration test framework](reference.md)
* Make sure you're familiar with the [idiosyncrasies](idiosyncrasies.md) of writing integration tests
* [Some tips and tricks](tips.md)

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@ -1,98 +0,0 @@
# Notable Idiosyncrasies When Writing Integration Tests
As an integration test framework based on a unit test framework the one created for CPM.cmake suffers from several idiosyncrasies. Make sure you familiarize yourself with them before writing integration tests.
## No shared instance variables between methods
The runner will create an instance of the test class for each test method. This means that instance variables defined in a test method, *will not* be visible in another. For example:
```ruby
class MyTest < IntegrationTest
def test_something
@x = 123
assert_equal 123, @x # Pass. @x is 123
end
def test_something_else
assert_equal 123, @x # Fail! @x would be nil here
end
end
```
There are hacks around sharing Ruby state between methods, but we choose not to use them. If you want to initialize something for all test methods, use `setup`.
```ruby
class MyTest < IntegrationTest
def setup
@x = 123
end
def test_something
assert_equal 123, @x # Pass. @x is 123 thanks to setup
end
def test_something_else
assert_equal 123, @x # Pass. @x is 123 thanks to setup
end
end
```
## `IntegrationTest` makes use of `Test::Unit::TestCase#cleanup`
After each test method the `cleanup` method is called thanks to Test::Unit. If you require the use of `cleanup` in your own tests, make sure you call `super` to also run `IntegrationTest#cleanup`.
```ruby
class MyTest < IntegrationTest
def cleanup
super
my_cleanup
end
# ...
end
```
## It's better to have assertions in test methods as opposed to helper methods
Test::Unit will display a helpful message if an assertion has failed. It will also include the line of code in the test method which caused the failure. However if an assertion is not in the test method, it will display the line which calls the method in which it is. So, please try, to have most assertions in test methods (though we acknowledge that in certain cases this is not practical). For example, if you only require scopes, try using lambdas.
Instead of this:
```ruby
class MyTest < IntegrationTest
def test_something
do_a
do_b
do_c
end
def do_a
# ...
end
def do_b
# ...
assert false # will display failed line as "do_b"
end
def do_c
# ...
end
end
```
...write this:
```ruby
class MyTest < IntegrationTest
def test_something
do_a = -> {
# ...
}
do_b = -> {
# ...
assert false # will display failed line as "assert false"
}
do_c = -> {
# ...
}
do_a.()
do_b.()
do_c.()
end
end
```

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@ -1,206 +0,0 @@
require 'fileutils'
require 'open3'
require 'tmpdir'
require 'test/unit'
module TestLib
TMP_DIR = File.expand_path(ENV['CPM_INTEGRATION_TEST_DIR'] || File.join(Dir.tmpdir, 'cpm-test', Time.now.strftime('%Y_%m_%d-%H_%M_%S')))
CPM_PATH = File.expand_path('../../cmake/CPM.cmake', __dir__)
TEMPLATES_DIR = File.expand_path('templates', __dir__)
# Environment variables which are read by cpm
CPM_ENV = %w(
CPM_USE_LOCAL_PACKAGES
CPM_LOCAL_PACKAGES_ONLY
CPM_DOWNLOAD_ALL
CPM_DONT_UPDATE_MODULE_PATH
CPM_DONT_CREATE_PACKAGE_LOCK
CPM_INCLUDE_ALL_IN_PACKAGE_LOCK
CPM_USE_NAMED_CACHE_DIRECTORIES
CPM_SOURCE_CACHE
)
def self.clear_env
CPM_ENV.each { ENV[_1] = nil }
end
end
puts "Warning: test directory '#{TestLib::TMP_DIR}' already exists" if File.exist?(TestLib::TMP_DIR)
raise "Cannot find 'CPM.cmake' at '#{TestLib::CPM_PATH}'" if !File.file?(TestLib::CPM_PATH)
puts "Running CPM.cmake integration tests"
puts "Temp directory: '#{TestLib::TMP_DIR}'"
# Clean all CPM-related env vars
TestLib.clear_env
class Project
def initialize(src_dir, bin_dir)
@src_dir = src_dir
@bin_dir = bin_dir
end
attr :src_dir, :bin_dir
def create_file(target_path, text, args = {})
target_path = File.join(@src_dir, target_path)
# tweak args
args[:cpm_path] = TestLib::CPM_PATH if !args[:cpm_path]
args[:packages] = [args[:package]] if args[:package] # if args contain package, create the array
args[:packages] = args[:packages].join("\n") if args[:packages] # join all packages if any
File.write target_path, text % args
end
def create_file_from_template(target_path, source_path, args = {})
source_path = File.join(@src_dir, source_path)
raise "#{source_path} doesn't exist" if !File.file?(source_path)
src_text = File.read source_path
create_file target_path, src_text, args
end
# common function to create ./CMakeLists.txt from ./lists.in.cmake
def create_lists_from_default_template(args = {})
create_file_from_template 'CMakeLists.txt', 'lists.in.cmake', args
end
CommandResult = Struct.new :out, :err, :status
def configure(extra_args = '')
CommandResult.new *Open3.capture3("cmake -S #{@src_dir} -B #{@bin_dir} #{extra_args}")
end
def build(extra_args = '')
CommandResult.new *Open3.capture3("cmake --build #{@bin_dir} #{extra_args}")
end
class CMakeCache
class Entry
def initialize(val, type, advanced, desc)
@val = val
@type = type
@advanced = advanced
@desc = desc
end
attr :val, :type, :advanced, :desc
alias_method :advanced?, :advanced
def inspect
"(#{val.inspect} #{type}" + (advanced? ? ' ADVANCED)' : ')')
end
end
Package = Struct.new(:ver, :src_dir, :bin_dir)
def self.from_dir(dir)
entries = {}
cur_desc = ''
file = File.join(dir, 'CMakeCache.txt')
return nil if !File.file?(file)
File.readlines(file).each { |line|
line.strip!
next if line.empty?
next if line.start_with? '#' # comment
if line.start_with? '//'
cur_desc += line[2..]
else
m = /(.+?)(-ADVANCED)?:([A-Z]+)=(.*)/.match(line)
raise "Error parsing '#{line}' in #{file}" if !m
entries[m[1]] = Entry.new(m[4], m[3], !!m[2], cur_desc)
cur_desc = ''
end
}
CMakeCache.new entries
end
def initialize(entries)
@entries = entries
package_list = self['CPM_PACKAGES']
@packages = if package_list
# collect package data
@packages = package_list.split(';').map { |name|
[name, Package.new(
self["CPM_PACKAGE_#{name}_VERSION"],
self["CPM_PACKAGE_#{name}_SOURCE_DIR"],
self["CPM_PACKAGE_#{name}_BINARY_DIR"]
)]
}.to_h
else
{}
end
end
attr :entries, :packages
def [](key)
e = @entries[key]
return nil if !e
e.val
end
end
def read_cache
CMakeCache.from_dir @bin_dir
end
end
class IntegrationTest < Test::Unit::TestCase
self.test_order = :defined # run tests in order of definition (as opposed to alphabetical)
def cleanup
# Clear cpm-related env vars which may have been set by the test
TestLib.clear_env
end
# extra assertions
def assert_success(res)
msg = build_message(nil, "command status was expected to be a success, but failed with code <?> and STDERR:\n\n#{res.err}", res.status.to_i)
assert_block(msg) { res.status.success? }
end
def assert_failure(res)
msg = build_message(nil, "command status was expected to be a failure, but succeeded")
assert_block(msg) { !res.status.success? }
end
def assert_same_path(a, b)
msg = build_message(nil, "<?> expected but was\n<?>", a, b)
assert_block(msg) { File.identical? a, b }
end
# utils
class << self
def startup
@@test_dir = File.join(TestLib::TMP_DIR, self.name.
# to-underscore conversion from Rails
gsub(/::/, '/').
gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
gsub(/([a-z\d])([A-Z])/,'\1_\2').
tr("-", "_").
downcase
)
end
end
def cur_test_dir
@@test_dir
end
def make_project(name: nil, from_template: nil)
test_name = local_name
test_name = test_name[5..] if test_name.start_with?('test_')
base = File.join(cur_test_dir, test_name)
base += "-#{name}" if name
src_dir = base + '-src'
FileUtils.mkdir_p src_dir
if from_template
from_template = File.join(TestLib::TEMPLATES_DIR, from_template)
raise "#{from_template} is not a directory" if !File.directory?(from_template)
FileUtils.copy_entry from_template, src_dir
end
Project.new src_dir, base + '-bin'
end
end

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@ -1,66 +0,0 @@
# Integration Test Framework Reference
## `TestLib`
A module for the framework. Provides global data and functionality. For ease of use the utility classes are *not* in this module.
Provides:
* `TMP_DIR` - the temporary directory for the current test run
* `CPM_PATH` - path to CPM.cmake. The thing that is being tested
* `TEMPLATES_DIR` - path to integration test templates
* `CPM_ENV` - an array of the names of all environment variables, which CPM.cmake may read
* `.clear_env` - a function to clear all aforementioned environment variables
## `Project`
A helper class to manage a CMake project.
Provides:
* `#initialize(src_dir, bin_dir)` - create a project with a given source and binary directory
* `#src_dir`, `#bin_dir` - get project directories
* `#create_file(target_path, text, args = {})` - create a file in the project's source directory with a given test. The `args` hash is used to interpolate markup in the text string.
* Will set `:cpm_path` in `args` to `TestLib::CPM_PATH` if not already present.
* If `:package` is present it will be added to the array `:packages`
* Will convert `:packages` form an array to a string
* `#create_file_from_template(target_path, source_path, args = {})` - create a file in the project source directory, based on another file in the project source directory. The contents of the file at `source_path` will be read and used in `create_file`
* `#create_lists_from_default_template(args = {})` - same as `create_file_from_template('CMakeLists.txt', 'lists.in.cmake', args)`
* `::CommandResult` - a struct of:
* `out` - the standard output from a command execution
* `err` - the standard error output from the execution
* `status` - the [`Process::Status`](https://ruby-doc.org/core-2.7.0/Process/Status.html) of the execution
* `#configure(extra_args = '') => CommandResult` - configure the project with optional extra args to CMake
* `#build(extra_args = '') => CommandResult` - build the project with optional extra args to CMake
* `::CMakeCache` - a helper class with the contents of a CMakeCache.txt. Provides:
* `::Entry` - a CMake cache entry of:
* `val` - the value as string
* `type` - the type as string
* `advanced?` - whether the entry is an advanced option
* `desc` - the description of the entry (can be an empty string)
* `::Package` - the CMake cache for a CPM.cmake package. A struct of:
* `ver` - the version as string
* `src_dir`, `bin_dir` - the source and binary directories of the package
* `.from_dir(dir)` - create an instance of `CMakeCache` from `<dir>/CMakeLists.txt`
* `#initialize(entries)` - create a cache from a hash of entries by name. Will populate packages.
* `#entries => {String => Entry}` - the entries of the cache
* `#packages => {String => Package}` - CPM.cmake packages by name found in the cache
* `#[](key) => String` - an entry value from an entry name. Created because the value is expected to be needed much more frequently than the entire entry data. To get a full entry use `cache.entries['name']`.
* `read_cache => CMakeCache` - reads the CMake cache in the binary directory of the project and returns it as a `CMakeCache` instance
## `IntegrationTest`
The class which must be a parent of all integration test case classes. It itself extends `Test::Unit::TestCase` with:
### Assertions
* `assert_success(res)` - assert that an instance of `Project::CommandResult` is a success
* `assert_same_path(a, b)` - assert that two strings represent the same path. For example on Windows `c:\foo` and `C:\Foo` do.
### Utils
* `cur_test_dir` - the directory of the current test case. A subdirectory of `TestLib::TMP_DIR`
* `make_project(name: nil, from_template: nil)` - create a project from a test method. Will create the project's source and binary directories as subdirectories of `cur_test_dir`.
* Optionally provide a name which will be concatenated to the project directory. This allows creating multiple projects in a test
* Optionally work with a template, in which case it will copy the contents of the template directory (one from `templates`) in the project's source directory.

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@ -1,4 +0,0 @@
require_relative './lib'
exit Test::Unit::AutoRunner::run(true, __dir__)

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@ -1,7 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(no-deps)
include("%{cpm_path}")
add_executable(no-deps main.c)

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@ -1,6 +0,0 @@
#include <stdio.h>
int main() {
puts("Hello");
return 0;
}

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@ -1,13 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(using-adder)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
include("%{cpm_path}")
%{packages}
add_executable(using-adder using-adder.cpp)
target_link_libraries(using-adder adder)

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@ -1,8 +0,0 @@
#include <adder/adder.hpp>
#include <cstdio>
int main() {
int sum = adder::add(5, 3);
std::printf("%d\n", sum);
return 0;
}

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@ -1,13 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(using-fibadder)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
include("%{cpm_path}")
%{packages}
add_executable(using-fibadder using-fibadder.cpp)
target_link_libraries(using-fibadder fibadder)

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@ -1,8 +0,0 @@
#include <cstdio>
#include <fibadder/fibadder.hpp>
int main() {
int sum = fibadder::fibadd(6, 7);
std::printf("%d\n", sum);
return 0;
}

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@ -1,13 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(using-patch-adder)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
include("%{cpm_path}")
%{packages}
add_executable(using-patch-adder using-patch-adder.cpp)
target_link_libraries(using-patch-adder adder)

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@ -1,12 +0,0 @@
diff --git a/code/adder/adder.hpp b/code/adder/adder.hpp
index fdb9324..7c2fa00 100644
--- a/code/adder/adder.hpp
+++ b/code/adder/adder.hpp
@@ -1,6 +1,6 @@
#pragma once
-namespace adder
+namespace patched
{
int add(int a, int b);
}

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@ -1,12 +0,0 @@
diff --git a/code/adder/adder.cpp b/code/adder/adder.cpp
index fc6e767..44b1197 100644
--- a/code/adder/adder.cpp
+++ b/code/adder/adder.cpp
@@ -1,6 +1,6 @@
#include "adder.hpp"
-namespace adder
+namespace patched
{
int add(int a, int b)
{

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@ -1,8 +0,0 @@
#include <adder/adder.hpp>
#include <cstdio>
int main() {
int sum = patched::add(5, 3);
std::printf("%d\n", sum);
return 0;
}

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@ -1,58 +0,0 @@
require_relative './lib'
# Tests of cpm caches and vars when no packages are used
class Basics < IntegrationTest
# Test cpm caches with no cpm-related env vars
def test_cpm_default
prj = make_project from_template: 'no-deps'
prj.create_lists_from_default_template
assert_success prj.configure
@cache = prj.read_cache
assert_empty @cache.packages
assert_same_path TestLib::CPM_PATH, check_and_get('CPM_FILE')
assert_same_path File.dirname(TestLib::CPM_PATH), check_and_get('CPM_DIRECTORY')
assert_equal 'OFF', check_and_get('CPM_DRY_RUN')
assert_equal 'CPM:', check_and_get('CPM_INDENT')
assert_equal '1.0.0-development-version', check_and_get('CPM_VERSION')
assert_equal 'OFF', check_and_get('CPM_SOURCE_CACHE', 'PATH')
assert_equal 'OFF', check_and_get('CPM_DOWNLOAD_ALL', 'BOOL')
assert_equal 'OFF', check_and_get('CPM_LOCAL_PACKAGES_ONLY', 'BOOL')
assert_equal 'OFF', check_and_get('CPM_USE_LOCAL_PACKAGES', 'BOOL')
assert_equal 'OFF', check_and_get('CPM_USE_NAMED_CACHE_DIRECTORIES', 'BOOL')
assert_equal 'OFF', check_and_get('CPM_DONT_CREATE_PACKAGE_LOCK', 'BOOL')
assert_equal 'OFF', check_and_get('CPM_INCLUDE_ALL_IN_PACKAGE_LOCK', 'BOOL')
assert_same_path File.join(prj.bin_dir, 'cpm-package-lock.cmake'), check_and_get('CPM_PACKAGE_LOCK_FILE')
assert_equal 'OFF', check_and_get('CPM_DONT_UPDATE_MODULE_PATH', 'BOOL')
if @cache.entries['CMAKE_FIND_PACKAGE_REDIRECTS_DIR'].nil?
assert_same_path File.join(prj.bin_dir, 'CPM_modules'), check_and_get('CPM_MODULE_PATH')
end
end
# Test when env CPM_SOURCE_CACHE is set
def test_env_cpm_source_cache
ENV['CPM_SOURCE_CACHE'] = cur_test_dir
prj = make_project from_template: 'no-deps'
prj.create_lists_from_default_template
assert_success prj.configure
@cache = prj.read_cache
assert_equal cur_test_dir, check_and_get('CPM_SOURCE_CACHE', 'PATH')
end
def check_and_get(key, type = 'INTERNAL')
e = @cache.entries[key]
assert_not_nil e, key
assert_equal type, e.type, key
e.val
end
end

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@ -1,25 +0,0 @@
require_relative './lib'
# Tests using a multi-argumenet download command to fetch a dependency
class DownloadCommand < IntegrationTest
def test_fetch_dependency_using_download_command
prj = make_project from_template: 'using-adder'
prj.create_lists_from_default_template package: <<~PACK
set(DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/_deps/testpack-adder-src)
CPMAddPackage(
NAME testpack-adder
SOURCE_DIR ${DOWNLOAD_DIR}
DOWNLOAD_COMMAND git clone --depth 1 --branch v1.0.0 https://github.com/cpm-cmake/testpack-adder.git ${DOWNLOAD_DIR}
OPTIONS "ADDER_BUILD_TESTS OFF"
)
PACK
# configure with unpopulated cache
assert_success prj.configure
assert_success prj.build
end
end

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@ -1,43 +0,0 @@
require_relative './lib'
# Tests FetchContent overriding with CPM
class FetchContentCompatibility < IntegrationTest
def setup
@cache_dir = File.join(cur_test_dir, 'cpmcache')
ENV['CPM_SOURCE_CACHE'] = @cache_dir
end
def test_add_dependency_cpm_and_fetchcontent
prj = make_project from_template: 'using-adder'
prj.create_lists_from_default_template package: <<~PACK
CPMAddPackage(
NAME testpack-adder
GITHUB_REPOSITORY cpm-cmake/testpack-adder
VERSION 1.0.0
OPTIONS "ADDER_BUILD_TESTS OFF"
)
# should have no effect, as we added the dependency using CPM
FetchContent_Declare(
testpack-adder
GIT_REPOSITORY https://github.com/cpm-cmake/testpack-adder
GIT_TAG v1.0.0
)
FetchContent_MakeAvailable(testpack-adder)
PACK
# configure with unpopulated cache
assert_success prj.configure
assert_success prj.build
# cache is populated
assert_true File.exist?(File.join(@cache_dir, "testpack-adder"))
# configure with populated cache
assert_success prj.configure
assert_success prj.build
end
end

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@ -1,21 +0,0 @@
require_relative './lib'
class Parallelism < IntegrationTest
def setup
@cache_dir = File.join(cur_test_dir, 'cpmcache')
ENV['CPM_SOURCE_CACHE'] = @cache_dir
end
def test_populate_cache_in_parallel
4.times.map { |i|
prj = make_project name: i.to_s, from_template: 'using-fibadder'
prj.create_lists_from_default_template package: 'CPMAddPackage("gh:cpm-cmake/testpack-fibadder@1.0.0")'
prj
}.map { |prj|
Thread.new do
assert_success prj.configure
assert_success prj.build
end
}.map(&:join)
end
end

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@ -1,27 +0,0 @@
require_relative './lib'
# Tests using a multi-argumenet PATCHES command to fetch and modify a dependency
class DownloadCommand < IntegrationTest
def test_fetch_dependency_using_download_command
prj = make_project from_template: 'using-patch-adder'
prj.create_lists_from_default_template package: <<~PACK
set(DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/_deps/testpack-adder-src)
CPMAddPackage(
NAME testpack-adder
DOWNLOAD_COMMAND git clone --depth 1 --branch v1.0.0 https://github.com/cpm-cmake/testpack-adder.git ${DOWNLOAD_DIR}
OPTIONS "ADDER_BUILD_TESTS OFF" "ADDER_BUILD_EXAMPLES OFF"
PATCHES
patches/001-test_patches_command.patch
patches/002-test_patches_command.patch
)
PACK
# configure with unpopulated cache
assert_success prj.configure
assert_success prj.build
end
end

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@ -1,17 +0,0 @@
require_relative './lib'
class RelativeURLs < IntegrationTest
def setup
# relative URLs were introduced in CMake 3.27
@relative_urls_supported = (!ENV['CMAKE_VERSION']) || (Gem::Version.new(ENV['CMAKE_VERSION']) >= Gem::Version.new('3.27'))
end
def test_add_project_with_relative_urls
omit_if !@relative_urls_supported do
prj = make_project from_template: 'using-fibadder'
prj.create_lists_from_default_template package: 'CPMAddPackage("gh:cpm-cmake/testpack-fibadder@1.1.0-relative-urls")'
assert_success prj.configure
assert_success prj.build
end
end
end

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@ -1,36 +0,0 @@
require_relative './lib'
class RemoveSourceDir < IntegrationTest
def test_remove_source_dir
prj = make_project from_template: 'using-adder'
prj.create_lists_from_default_template package: <<~PACK
CPMAddPackage(
NAME testpack-adder
GITHUB_REPOSITORY cpm-cmake/testpack-adder
VERSION 1.0.0
OPTIONS "ADDER_BUILD_TESTS OFF"
SOURCE_DIR testpack-adder
)
PACK
# configure and build
assert_success prj.configure
assert_success prj.build
# source_dir is populated
assert_true File.exist?(File.join(prj.bin_dir, 'testpack-adder'))
# source_dir is deleted by user
FileUtils.remove_dir(File.join(prj.bin_dir, 'testpack-adder'), true)
assert_false File.exist?(File.join(prj.bin_dir, 'testpack-adder'))
# configure and build with missing source_dir to fetch new content
assert_success prj.configure
assert_success prj.build
# source_dir is populated
assert_true File.exist?(File.join(prj.bin_dir, 'testpack-adder'))
end
end

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@ -1,86 +0,0 @@
require_relative './lib'
class TestShorthandSyntax < IntegrationTest
def get_project_binaries prj
exe_dir = File.join(prj.bin_dir, 'bin')
assert File.directory? exe_dir
return Dir[exe_dir + '/**/*'].filter {
# on multi-configuration generators (like Visual Studio) the executables will be in bin/<Config>
# also filter-out other artifacts like .pdb or .dsym
!File.directory?(_1) && File.stat(_1).executable?
}.map {
# remove .exe extension if any (there will be one on Windows)
File.basename(_1, '.exe')
}.sort
end
def test_create_with_commit_sha
prj = make_project from_template: 'using-adder'
prj.create_lists_from_default_template package:
'CPMAddPackage("gh:cpm-cmake/testpack-adder#cad1cd4b4cdf957c5b59e30bc9a1dd200dbfc716")'
assert_success prj.configure
cache = prj.read_cache
assert_equal 1, cache.packages.size
assert_equal '0', cache.packages['testpack-adder'].ver
assert_success prj.build
exes = get_project_binaries prj
# No adder projects were built as EXCLUDE_FROM_ALL is implicitly set
assert_equal ['using-adder'], exes
end
def test_create_with_version
prj = make_project from_template: 'using-adder'
prj.create_lists_from_default_template package:
'CPMAddPackage("gh:cpm-cmake/testpack-adder@1.0.0")'
assert_success prj.configure
cache = prj.read_cache
assert_equal 1, cache.packages.size
assert_equal '1.0.0', cache.packages['testpack-adder'].ver
assert_success prj.build
exes = get_project_binaries prj
assert_equal ['using-adder'], exes
end
def test_create_with_all
prj = make_project from_template: 'using-adder'
prj.create_lists_from_default_template package:
'CPMAddPackage(
URI "gh:cpm-cmake/testpack-adder@1.0.0"
EXCLUDE_FROM_ALL false
)'
assert_success prj.configure
cache = prj.read_cache
assert_equal cache.packages.size, 1
assert_equal cache.packages['testpack-adder'].ver, '1.0.0'
assert_success prj.build
exes = get_project_binaries prj
assert_equal exes, ['simple', 'test-adding', 'using-adder']
end
def test_create_with_tests_but_without_examples
prj = make_project from_template: 'using-adder'
prj.create_lists_from_default_template package:
'CPMAddPackage(
URI "gh:cpm-cmake/testpack-adder@1.0.0"
OPTIONS "ADDER_BUILD_EXAMPLES OFF" "ADDER_BUILD_TESTS TRUE"
EXCLUDE_FROM_ALL false
)'
assert_success prj.configure
cache = prj.read_cache
assert_equal cache.packages.size, 1
assert_equal cache.packages['testpack-adder'].ver, '1.0.0'
assert_success prj.build
exes = get_project_binaries prj
assert_equal exes, ['test-adding', 'using-adder']
end
end

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@ -1,91 +0,0 @@
require_relative './lib'
class Simple < IntegrationTest
ADDER_PACKAGE_NAME = 'testpack-adder'
def test_update_single_package
prj = make_project from_template: 'using-adder'
adder_cache0 = nil
adder_ver_file = nil
create_with_commit_sha = -> {
prj.create_lists_from_default_template package:
'CPMAddPackage("gh:cpm-cmake/testpack-adder#cad1cd4b4cdf957c5b59e30bc9a1dd200dbfc716")'
assert_success prj.configure
cache = prj.read_cache
assert_equal 1, cache.packages.size
adder_cache = cache.packages[ADDER_PACKAGE_NAME]
assert_not_nil adder_cache
assert_equal '0', adder_cache.ver
assert File.directory? adder_cache.src_dir
assert File.directory? adder_cache.bin_dir
adder_ver_file = File.join(adder_cache.src_dir, 'version')
assert File.file? adder_ver_file
assert_equal 'initial', File.read(adder_ver_file).strip
# calculated adder values
assert_equal 'ON', cache['ADDER_BUILD_EXAMPLES']
assert_equal 'ON', cache['ADDER_BUILD_TESTS']
assert_equal adder_cache.src_dir, cache['adder_SOURCE_DIR']
assert_equal adder_cache.bin_dir, cache['adder_BINARY_DIR']
# store for future comparisons
adder_cache0 = adder_cache
}
update_to_version_1 = -> {
prj.create_lists_from_default_template package:
'CPMAddPackage("gh:cpm-cmake/testpack-adder@1.0.0")'
assert_success prj.configure
cache = prj.read_cache
assert_equal 1, cache.packages.size
adder_cache = cache.packages[ADDER_PACKAGE_NAME]
assert_not_nil adder_cache
assert_equal '1.0.0', adder_cache.ver
# dirs shouldn't have changed
assert_equal adder_cache0.src_dir, adder_cache.src_dir
assert_equal adder_cache0.bin_dir, adder_cache.bin_dir
assert_equal '1.0.0', File.read(adder_ver_file).strip
}
update_with_option_off_and_build = -> {
prj.create_lists_from_default_template package: <<~PACK
CPMAddPackage(
NAME testpack-adder
GITHUB_REPOSITORY cpm-cmake/testpack-adder
VERSION 1.0.0
OPTIONS "ADDER_BUILD_TESTS OFF"
)
PACK
assert_success prj.configure
assert_success prj.build
exe_dir = File.join(prj.bin_dir, 'bin')
assert File.directory? exe_dir
exes = Dir[exe_dir + '/**/*'].filter {
# on multi-configuration generators (like Visual Studio) the executables will be in bin/<Config>
# also filter-out other artifacts like .pdb or .dsym
!File.directory?(_1) && File.stat(_1).executable?
}.map {
# remove .exe extension if any (there will be one on Windows)
File.basename(_1, '.exe')
}.sort
# we should end up with two executables
# * simple - the simple example from adder
# * using-adder - for this project
# ...and notably no test for adder, which must be disabled from the option override from above
assert_equal ['simple', 'using-adder'], exes
}
create_with_commit_sha.()
update_to_version_1.()
update_with_option_off_and_build.()
end
end

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@ -1,91 +0,0 @@
require_relative './lib'
# Tests with source cache
class SourceCache < IntegrationTest
def setup
@cache_dir = File.join(cur_test_dir, 'cpmcache')
ENV['CPM_SOURCE_CACHE'] = @cache_dir
end
def test_add_remove_dependency
prj = make_project from_template: 'using-fibadder'
###################################
# create
prj.create_lists_from_default_template package: 'CPMAddPackage("gh:cpm-cmake/testpack-fibadder@1.0.0")'
assert_success prj.configure
@cache = prj.read_cache
# fibadder - adder
# \ fibonacci - Format
assert_equal 4, @cache.packages.size
check_package_cache 'testpack-fibadder', '1.0.0', '6a17d24c95c44a169ff8ba173f52876a2ba3d137'
check_package_cache 'testpack-adder', '1.0.0', '1a4c153849d8e0cf9a3a245e5f6ab6e4722d8995'
check_package_cache 'testpack-fibonacci', '2.0', '332c789cb09b8c2f92342dfb874c82bec643daf6'
check_package_cache 'Format.cmake', '1.0', 'c5897bd28c5032d45f7f669c8fb470790d2ae156'
###################################
# add one package with a newer version
prj.create_lists_from_default_template packages: [
'CPMAddPackage("gh:cpm-cmake/testpack-adder@1.0.1")',
'CPMAddPackage("gh:cpm-cmake/testpack-fibadder@1.0.0")',
]
assert_success prj.configure
@cache = prj.read_cache
assert_equal 4, @cache.packages.size
check_package_cache 'testpack-fibadder', '1.0.0', '6a17d24c95c44a169ff8ba173f52876a2ba3d137'
check_package_cache 'testpack-adder', '1.0.1', '84eb33c1b8db880083cefc2adf4dc3f04778cd44'
check_package_cache 'testpack-fibonacci', '2.0', '332c789cb09b8c2f92342dfb874c82bec643daf6'
check_package_cache 'Format.cmake', '1.0', 'c5897bd28c5032d45f7f669c8fb470790d2ae156'
end
def test_second_project
prj = make_project from_template: 'using-fibadder'
prj.create_lists_from_default_template package: 'CPMAddPackage("gh:cpm-cmake/testpack-fibadder@1.1.0")'
assert_success prj.configure
@cache = prj.read_cache
# fibadder - adder
# \ fibonacci - Format
assert_equal 4, @cache.packages.size
check_package_cache 'testpack-fibadder', '1.1.0', '603d79d88d7230cc749460a0f476df862aa70ead'
check_package_cache 'testpack-adder', '1.0.1', '84eb33c1b8db880083cefc2adf4dc3f04778cd44'
check_package_cache 'testpack-fibonacci', '2.0', '332c789cb09b8c2f92342dfb874c82bec643daf6'
check_package_cache 'Format.cmake', '1.0', 'c5897bd28c5032d45f7f669c8fb470790d2ae156'
end
def test_cache_dir_contents
num_subdirs = -> (name) { Dir["#{File.join(@cache_dir, name.downcase)}/*/"].size }
assert_equal 2, num_subdirs.('testpack-fibadder')
assert_equal 2, num_subdirs.('testpack-adder')
assert_equal 1, num_subdirs.('testpack-fibonacci')
assert_equal 1, num_subdirs.('Format.cmake')
end
def check_package_cache(name, ver, dir_sha1)
package = @cache.packages[name]
assert_not_nil package, name
assert_equal ver, package.ver
expected_parent_dir = File.join(@cache_dir, name.downcase)
assert package.src_dir.start_with?(expected_parent_dir), "#{package.src_dir} must be in #{expected_parent_dir}"
# The hash has been shortened by cpm_get_shortest_hash. The following
# should hold:
# - The short hash should be a prefix of the input hash
# - There should be a file ".../${short_hash}.hash" which matches the full hash
short_hash = File.basename(package.src_dir)
assert dir_sha1.start_with?(short_hash), "short_hash should be a prefix of dir_sha1"
# Check that the full hash is stored in the .hash file
hash_file = "#{package.src_dir}.hash"
assert File.exist?(hash_file), "Hash file #{hash_file} should exist"
assert_equal dir_sha1, File.read(hash_file), "Hash file should contain the full original hash"
end
end

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@ -1,57 +0,0 @@
require_relative './lib'
class SystemWarnings < IntegrationTest
def setup
# system is only supported for CMake >= 3.25
@system_supported = (!ENV['CMAKE_VERSION']) || (Gem::Version.new(ENV['CMAKE_VERSION']) >= Gem::Version.new('3.25'))
end
def test_dependency_added_using_system
for use_system in [true, false] do
prj = make_project name: use_system ? "system" : "no_system", from_template: 'using-adder'
prj.create_lists_from_default_template package: <<~PACK
# this commit has a warning in a public header
CPMAddPackage(
NAME Adder
GITHUB_REPOSITORY cpm-cmake/testpack-adder
GIT_TAG v1.0.1-warnings
SYSTEM #{use_system ? "YES" : "NO"}
)
# all packages using `adder` will error on warnings
target_compile_options(adder INTERFACE
$<$<CXX_COMPILER_ID:MSVC>:/Wall /WX>
$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Werror>
)
PACK
assert_success prj.configure
if use_system and @system_supported
assert_success prj.build
else
assert_failure prj.build
end
end
end
def test_dependency_added_implicitly_using_system
prj = make_project from_template: 'using-adder'
prj.create_lists_from_default_template package: <<~PACK
# this commit has a warning in a public header
CPMAddPackage("gh:cpm-cmake/testpack-adder@1.0.1-warnings")
# all packages using `adder` will error on warnings
target_compile_options(adder INTERFACE
$<$<CXX_COMPILER_ID:MSVC>:/Wall /WX>
$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Werror>
)
PACK
assert_success prj.configure
if @system_supported
assert_success prj.build
else
assert_failure prj.build
end
end
end

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@ -1,35 +0,0 @@
# Tips and Tricks
## Playing and experimenting
Create a file called `test_local.rb` in this directory to have an integration test which is for your personal experiments and just playing with the integration test framework. `test_local.rb` is gitignored.
## Speeding-up development
Running an integration test requires configuring directories with CMake which can be quite slow. To speed-up development of integration tests consider doing the following steps:
**Work with standalone tests**
Instead of starting the runner, run just your integration test (`$ ruby test_your_test.rb`). This won't burden the execution with the others.
**Export the environment variable `CPM_INTEGRATION_TEST_DIR` to some local directory**
By default the framework generates a new temporary directory for each test run. If you override the temp directory to a specific one, rerunning the tests will work with the binary directories from the previous run and will improve the performance considerably.
*NOTE HOWEVER* that in certain cases this may not be an option. Some tests might assert that certain artifacts in the temporary directory are missing but upon rerunning in an existing directory they will be there causing the test to fail.
*ALSO NOTE* that this may silently affect reruns based on CMake caches from previous runs. If your test fails in peculiar ways on reruns, try a clean run. Always do a clean run before declaring a test a success.
**Set `CPM_SOURCE_CACHE` even if the test doesn't require it**
This is not a option for tests which explicitly check that there is no source cache. However certain tests may be indiferent to this. For such cases in development, you can add a setup function in the lines of:
```ruby
def setup
ENV['CPM_SOURCE_CACHE'] = '/home/myself/.testcpmcache'
end
```
Then the packages from your test will be cached and not redownloaded every time which is a dramatic improvement in performance.
*NOTE HOWEVER* that this may introduce subtle bugs. Always test without this dev-only addition, before declaring a test a success.

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@ -1,69 +0,0 @@
# Integration Test Tutorial
Let's create an integration test which checks that CPM.cmake can make a specific package available.
First we do some boilerplate.
```ruby
require_relative './lib'
class MyTest < IntegrationTest
# test that CPM.cmake can make https://github.com/cpm-cmake/testpack-adder/ available as a package
def test_make_adder_available
end
end
```
Now we have our test case class, and the single test method that we will require. Let's focus on the method's contents. The integration test framework provides us with a helper class, `Project`, which can be used for this scenario. A project has an associated pair of source and binary directories in the temporary directory and it provides methods to work with them.
We start by creating the project:
```ruby
prj = make_project
```
`make_project` is method of IntegrationTest which generates a source and a binary directory for it based on the name of our test class and test method. The project doesn't contain anything yet, so let's create some source files:
```ruby
prj.create_file 'main.cpp', <<~SRC
#include <iostream>
#include <adder/adder.hpp>
int main() {
std::cout << adder::add(1, 2) << '\\n';
return 0;
}
SRC
prj.create_file 'CMakeLists.txt', <<~SRC
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(using-adder)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
include("%{cpm_path}")
CPMAddPackage("gh:cpm-cmake/testpack-adder@1.0.0")
add_executable(using-adder main.cpp)
target_link_libraries(using-adder adder)
SRC
```
Note the line `include("%{cpm_path}")` when creating `CMakeLists.txt`. It contains a markup `%{cpm_path}`. `Project#create_file` will see such markups and substitute them with the appropriate values (in this case the path to CPM.cmake).
Now that we have the two files we need it's time we configure our project. We can use the opportunity to assert that the configure is successful as we expect it to be.
```ruby
assert_success prj.configure
```
Now we can read the generated `CMakeCache.txt` and assert that certain values we expect are inside. `Project` provides a method for that: `read_cache`. It will return an instance of `Project::CMakeCache` which contains the data from the cache and provides additional helper functionalities. One of them is `packages`, which is a hash of the CPM.cmake packages in the cache with their versions, binary, source directories. So let's get the cache and assert that there is only one CPM.cmake package inside ant it has the version we expect.
```ruby
cache = prj.read_cache
assert_equal 1, cache.packages.size
assert_equal '1.0.0', cache.packages['testpack-adder'].ver
```
Finally let's assert that the project can be built. This would mean that CPM.cmake has made the package available to our test project and that it has the appropriate include directories and link libraries to make an executable out of `main.cpp`.
```ruby
assert_success prj.build
```
You can see the entire code for this tutorial in [tutorial.rb](tutorial.rb) in this directory.

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@ -1,37 +0,0 @@
# This file is intentionally not prefixed with test_
# It is a tutorial for making integration tests and is not to be run from the runner
require_relative './lib'
class Tutorial < IntegrationTest
# test that CPM.cmake can make https://github.com/cpm-cmake/testpack-adder/ available as a package
def test_make_adder_available
prj = make_project
prj.create_file 'main.cpp', <<~SRC
#include <iostream>
#include <adder/adder.hpp>
int main() {
std::cout << adder::add(1, 2) << '\\n';
return 0;
}
SRC
prj.create_file 'CMakeLists.txt', <<~SRC
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(using-adder)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
include("%{cpm_path}")
CPMAddPackage("gh:cpm-cmake/testpack-adder@1.0.0")
add_executable(using-adder main.cpp)
target_link_libraries(using-adder adder)
SRC
assert_success prj.configure
cache = prj.read_cache
assert_equal 1, cache.packages.size
assert_equal '1.0.0', cache.packages['testpack-adder'].ver
assert_success prj.build
end
end

View File

@ -6,9 +6,7 @@ include(${CMAKE_CURRENT_LIST_DIR}/../../cmake/CPM.cmake)
CPMAddPackage(
NAME Format.cmake
VERSION 1.7.3
VERSION 1.6
GITHUB_REPOSITORY TheLartians/Format.cmake
# We exclude cmake files from integration tests as they contain invalid lines of code which are
# used by the integration test scripts
OPTIONS "CMAKE_FORMAT_EXCLUDE integration/templates"
OPTIONS "FORMAT_CHECK_CMAKE ON"
)

View File

@ -26,17 +26,6 @@ function(reset_test)
update_cmake_lists()
endfunction()
function(assert_cache_directory_count directory count)
set(version_count 0)
file(GLOB potential_versions ${directory})
foreach(entry ${potential_versions})
if(IS_DIRECTORY ${entry})
math(EXPR version_count "${version_count} + 1")
endif()
endforeach()
assert_equal("${version_count}" "${count}")
endfunction()
set(FIBONACCI_VERSION 1.0)
# Read CPM_SOURCE_CACHE from arguments
@ -44,14 +33,20 @@ set(FIBONACCI_VERSION 1.0)
reset_test()
execute_process(
COMMAND ${CMAKE_COMMAND} "-S${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}"
COMMAND ${CMAKE_COMMAND} "-H${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}"
"-DCPM_SOURCE_CACHE=${CPM_SOURCE_CACHE_DIR}" RESULT_VARIABLE ret
)
assert_equal(${ret} "0")
assert_exists("${CPM_SOURCE_CACHE_DIR}/fibonacci")
assert_cache_directory_count("${CPM_SOURCE_CACHE_DIR}/fibonacci/*" 1)
file(GLOB FIBONACCI_VERSIONs "${CPM_SOURCE_CACHE_DIR}/fibonacci/*")
list(LENGTH FIBONACCI_VERSIONs FIBONACCI_VERSION_count)
assert_equal(${FIBONACCI_VERSION_count} "1")
file(GLOB fibonacci_versions "${CPM_SOURCE_CACHE_DIR}/fibonacci/*")
list(LENGTH fibonacci_versions fibonacci_version_count)
assert_equal(${fibonacci_version_count} "1")
# Update dependency and keep CPM_SOURCE_CACHE
@ -59,9 +54,12 @@ set(FIBONACCI_VERSION 2.0)
update_cmake_lists()
execute_process(COMMAND ${CMAKE_COMMAND} ${TEST_BUILD_DIR} RESULT_VARIABLE ret)
assert_equal(${ret} "0")
assert_cache_directory_count("${CPM_SOURCE_CACHE_DIR}/fibonacci/*" 2)
file(GLOB FIBONACCI_VERSIONs "${CPM_SOURCE_CACHE_DIR}/fibonacci/*")
list(LENGTH FIBONACCI_VERSIONs FIBONACCI_VERSION_count)
assert_equal(${FIBONACCI_VERSION_count} "2")
# Clear cache and update
@ -78,7 +76,7 @@ reset_test()
execute_process(
COMMAND ${CMAKE_COMMAND} -E env "CPM_SOURCE_CACHE=${CPM_SOURCE_CACHE_DIR}" ${CMAKE_COMMAND}
"-S${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}" RESULT_VARIABLE ret
"-H${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}" RESULT_VARIABLE ret
)
assert_equal(${ret} "0")
@ -88,7 +86,7 @@ assert_exists("${CPM_SOURCE_CACHE_DIR}/fibonacci")
execute_process(
COMMAND ${CMAKE_COMMAND} -E env "CPM_SOURCE_CACHE=${CPM_SOURCE_CACHE_DIR}" ${CMAKE_COMMAND}
"-S${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}-2"
"-H${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}-2"
RESULT_VARIABLE ret
)
@ -101,7 +99,7 @@ reset_test()
execute_process(
COMMAND
${CMAKE_COMMAND} -E env "CPM_SOURCE_CACHE=${CMAKE_CURRENT_BINARY_DIR}/junk" ${CMAKE_COMMAND}
"-S${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}"
"-H${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}"
"-DCPM_SOURCE_CACHE=${CPM_SOURCE_CACHE_DIR}"
RESULT_VARIABLE ret
)
@ -118,7 +116,7 @@ reset_test()
execute_process(
COMMAND ${CMAKE_COMMAND} -E env "CPM_SOURCE_CACHE=${CPM_SOURCE_CACHE_DIR}" ${CMAKE_COMMAND}
"-S${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}" RESULT_VARIABLE ret
"-H${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}" RESULT_VARIABLE ret
)
assert_equal(${ret} "0")
@ -132,24 +130,8 @@ update_cmake_lists()
execute_process(
COMMAND ${CMAKE_COMMAND} -E env "CPM_SOURCE_CACHE=${CPM_SOURCE_CACHE_DIR}" ${CMAKE_COMMAND}
"-S${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}" RESULT_VARIABLE ret
"-H${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}" RESULT_VARIABLE ret
)
assert_equal(${ret} "0")
assert_not_exists("${CPM_SOURCE_CACHE_DIR}/fibonacci")
# Use custom cache directory
set(FIBONACCI_PACKAGE_ARGS
"CUSTOM_CACHE_KEY my_custom_unique_dir GIT_TAG e9ebf168ca0fffaa4ef8c6fefc6346aaa22f6ed5"
)
set(FIBONACCI_VERSION 1.1)
update_cmake_lists()
execute_process(
COMMAND ${CMAKE_COMMAND} -E env "CPM_SOURCE_CACHE=${CPM_SOURCE_CACHE_DIR}" ${CMAKE_COMMAND}
"-S${CMAKE_CURRENT_LIST_DIR}/remote_dependency" "-B${TEST_BUILD_DIR}" RESULT_VARIABLE ret
)
assert_equal(${ret} "0")
assert_exists("${CPM_SOURCE_CACHE_DIR}/fibonacci/my_custom_unique_dir")

View File

@ -6,7 +6,6 @@ include(${CPM_PATH}/testing.cmake)
set(CPM_DRY_RUN ON)
CPMAddPackage(NAME A GIT_TAG 1.2.3)
assert_equal("${CPM_LAST_PACKAGE_NAME}" "A")
CPMAddPackage(NAME A VERSION 1.2.3)
@ -18,8 +17,6 @@ CPMAddPackage(NAME B VERSION 2.4.1)
CPMAddPackage(NAME B GIT_TAG v2.3.1)
CPMGetPackageVersion(B VERSION)
assert_equal("${CPM_LAST_PACKAGE_NAME}" "B")
assert_equal(${VERSION} "2.4.1")
CPMAddPackage(
@ -27,10 +24,6 @@ CPMAddPackage(
GIT_TAG v3.1.2-a
VERSION 3.1.2
)
assert_equal("${CPM_LAST_PACKAGE_NAME}" "C")
CPMGetPackageVersion(C VERSION)
assert_equal(${VERSION} "3.1.2")
CPMAddPackage("gh:dry-run/D")
assert_equal("${CPM_LAST_PACKAGE_NAME}" "D")

View File

@ -1,49 +0,0 @@
include(${CPM_PATH}/CPM.cmake)
include(${CPM_PATH}/testing.cmake)
set(baseDir "${CMAKE_CURRENT_BINARY_DIR}/test_dirty_cache")
find_package(Git REQUIRED)
function(git_do dir)
execute_process(
COMMAND ${GIT_EXECUTABLE} -c user.name='User' -c user.email='user@email.org' ${ARGN}
RESULT_VARIABLE result
OUTPUT_VARIABLE status
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY "${dir}"
)
if(result)
message(FATAL_ERROR "git ${ARGN} fail: ${result} ${status}")
endif()
endfunction()
file(MAKE_DIRECTORY "${baseDir}")
file(WRITE "${baseDir}/draft.txt" "this is a test")
git_do("${baseDir}" init -b main)
git_do("${baseDir}" commit --allow-empty -m "empty repo")
message(STATUS "empty repo with file")
cpm_check_git_working_dir_is_clean(${baseDir} HEAD emptygit_test)
assert_falsy(emptygit_test)
git_do("${baseDir}" add draft.txt)
git_do("${baseDir}" commit -m "test change")
git_do("${baseDir}" tag v0.0.0)
message(STATUS "commit a change")
cpm_check_git_working_dir_is_clean(${baseDir} v0.0.0 onecommit_test)
assert_truthy(onecommit_test)
file(WRITE "${baseDir}/draft.txt" "a modification")
message(STATUS "dirty repo")
cpm_check_git_working_dir_is_clean(${baseDir} v0.0.0 nonemptygit_test)
assert_falsy(nonemptygit_test)
git_do("${baseDir}" add draft.txt)
git_do("${baseDir}" commit -m "another change")
message(STATUS "repo clean")
cpm_check_git_working_dir_is_clean(${baseDir} v0.0.0 twocommit_test)
assert_falsy(twocommit_test)
file(REMOVE_RECURSE "${baseDir}")

View File

@ -11,7 +11,7 @@ function(init_project EXCLUDE_FROM_ALL)
)
execute_process(
COMMAND ${CMAKE_COMMAND} "-S${CMAKE_CURRENT_LIST_DIR}/broken_dependency" "-B${TEST_BUILD_DIR}"
COMMAND ${CMAKE_COMMAND} "-H${CMAKE_CURRENT_LIST_DIR}/broken_dependency" "-B${TEST_BUILD_DIR}"
RESULT_VARIABLE ret
)

View File

@ -1,38 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
include(${CPM_PATH}/testing.cmake)
include(CMakePackageConfigHelpers)
set(CPM_SOURCE_CACHE_DIR "${CMAKE_CURRENT_BINARY_DIR}/CPM")
set(TEST_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/fetchcontent_dependency)
function(clear_cache)
message(STATUS "clearing CPM cache")
file(REMOVE_RECURSE ${CPM_SOURCE_CACHE_DIR})
assert_not_exists("${CPM_SOURCE_CACHE_DIR}")
endfunction()
function(update_cmake_lists)
configure_package_config_file(
"${CMAKE_CURRENT_LIST_DIR}/fetchcontent_dependency/CMakeLists.txt.in"
"${CMAKE_CURRENT_LIST_DIR}/fetchcontent_dependency/CMakeLists.txt"
INSTALL_DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/junk
)
endfunction()
function(reset_test)
clear_cache()
file(REMOVE_RECURSE ${TEST_BUILD_DIR})
update_cmake_lists()
endfunction()
# Read CPM_SOURCE_CACHE from arguments
reset_test()
execute_process(
COMMAND ${CMAKE_COMMAND} "-S${CMAKE_CURRENT_LIST_DIR}/fetchcontent_dependency"
"-B${TEST_BUILD_DIR}" "-DCPM_SOURCE_CACHE=${CPM_SOURCE_CACHE_DIR}" RESULT_VARIABLE ret
)
assert_equal(${ret} "0")

View File

@ -1,2 +0,0 @@
/CMakeLists.txt
/package-lock.cmake

View File

@ -1,38 +0,0 @@
# ~~~
#
# FetchContentDependency
#
# 1. 3.
#
#
# Dependency Fibonacci
# 2.
#
# 1. Add Project with CPMAddPackage
# 2. Dependency will add Fibonacci with FetchContent
# 3. Our project add Fibonacci with CPMAddPackage
# ~~~
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(CPMTest_FetchContentDependency)
# ---- Dependencies ----
include(@CPM_PATH@/CPM.cmake)
# 1 & 2 Dependency will add Fibonacci using FetchContent (1 & 2)
CPMAddPackage(NAME Dependency SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/dependency)
# 3 Add again Fibonacci that have already been populated with FetchContent_MakeAvailable
#
# * This test should highlight the fact that cpm_add_subdirectory is always called, even when
# cpm_fetch_package isn't populating the dependency
# * NO_CACHE YES highlight a bug introduced in 32b063eba5c754f833725ed4b9e5f352bc3ca959 where
# cpm_fetch_package was checking undefined ${lower_case_name}_POPULATED variable
CPMAddPackage(
NAME Fibonacci
GIT_REPOSITORY https://github.com/cpm-cmake/testpack-fibonacci.git
VERSION 2.0
NO_CACHE YES
)

View File

@ -1,15 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(CPMTest_Dependency)
# ---- Dependencies ----
include(FetchContent)
FetchContent_Declare(
Fibonacci
GIT_REPOSITORY https://github.com/cpm-cmake/testpack-fibonacci.git
GIT_TAG v2.0
)
FetchContent_MakeAvailable(Fibonacci)

View File

@ -1,93 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
include(${CPM_PATH}/CPM.cmake)
include(${CPM_PATH}/testing.cmake)
# Random suffix
string(
RANDOM
LENGTH 6
ALPHABET "0123456789abcdef" tmpdir_suffix
)
# Seconds since epoch
string(TIMESTAMP tmpdir_base "%s" UTC)
set(tmp "${CMAKE_CURRENT_BINARY_DIR}/get_shortest_hash-${tmpdir_base}-${tmpdir_suffix}")
if(IS_DIRECTORY ${tmp})
message(FATAL_ERROR "Test directory ${tmp} already exists")
endif()
file(MAKE_DIRECTORY "${tmp}")
# 1. Sanity check: none of these directories should exist yet
assert_not_exists(${tmp}/cccb.hash)
assert_not_exists(${tmp}/cccb77ae.hash)
assert_not_exists(${tmp}/cccb77ae9609.hash)
assert_not_exists(${tmp}/cccb77ae9608.hash)
assert_not_exists(${tmp}/cccb77be.hash)
# 1. The directory is empty, so it should get a 4-character hash
cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1455" hash)
assert_equal(${hash} "cccb")
assert_contents_equal(${tmp}/cccb.hash cccb77ae9609d2768ed80dd42cec54f77b1f1455)
# 1. Calling the function with a new hash that differs subtly should result in more characters being
# used, enough to uniquely identify the hash
cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1456" hash)
assert_equal(${hash} "cccb77ae")
assert_contents_equal(${tmp}/cccb77ae.hash cccb77ae9609d2768ed80dd42cec54f77b1f1456)
cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1457" hash)
assert_equal(${hash} "cccb77ae9609")
assert_contents_equal(${tmp}/cccb77ae9609.hash cccb77ae9609d2768ed80dd42cec54f77b1f1457)
cpm_get_shortest_hash(${tmp} "cccb77ae9608d2768ed80dd42cec54f77b1f1455" hash)
assert_equal(${hash} "cccb77ae9608")
assert_contents_equal(${tmp}/cccb77ae9608.hash cccb77ae9608d2768ed80dd42cec54f77b1f1455)
cpm_get_shortest_hash(${tmp} "cccb77be9609d2768ed80dd42cec54f77b1f1456" hash)
assert_equal(${hash} "cccb77be")
assert_contents_equal(${tmp}/cccb77be.hash cccb77be9609d2768ed80dd42cec54f77b1f1456)
# check that legacy hashs are recognized
file(MAKE_DIRECTORY "${tmp}/cccb77be9609d2768ed80dd42cec54f77b1f1457")
cpm_get_shortest_hash(${tmp} "cccb77be9609d2768ed80dd42cec54f77b1f1457" hash)
assert_equal(${hash} "cccb77be9609d2768ed80dd42cec54f77b1f1457")
# 1. The old file should still exist, and have the same content
assert_contents_equal(${tmp}/cccb.hash cccb77ae9609d2768ed80dd42cec54f77b1f1455)
assert_contents_equal(${tmp}/cccb77ae.hash cccb77ae9609d2768ed80dd42cec54f77b1f1456)
assert_contents_equal(${tmp}/cccb77ae9609.hash cccb77ae9609d2768ed80dd42cec54f77b1f1457)
assert_contents_equal(${tmp}/cccb77ae9608.hash cccb77ae9608d2768ed80dd42cec54f77b1f1455)
assert_contents_equal(${tmp}/cccb77be.hash cccb77be9609d2768ed80dd42cec54f77b1f1456)
# 1. Confirm idempotence: calling any of these function should produce the same hash as before (hash
# lookups work correctly once the .hash files are created)
cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1455" hash)
assert_equal(${hash} "cccb")
assert_contents_equal(${tmp}/cccb.hash cccb77ae9609d2768ed80dd42cec54f77b1f1455)
cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1456" hash)
assert_equal(${hash} "cccb77ae")
assert_contents_equal(${tmp}/cccb77ae.hash cccb77ae9609d2768ed80dd42cec54f77b1f1456)
cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1457" hash)
assert_equal(${hash} "cccb77ae9609")
assert_contents_equal(${tmp}/cccb77ae9609.hash cccb77ae9609d2768ed80dd42cec54f77b1f1457)
cpm_get_shortest_hash(${tmp} "cccb77ae9608d2768ed80dd42cec54f77b1f1455" hash)
assert_equal(${hash} "cccb77ae9608")
assert_contents_equal(${tmp}/cccb77ae9608.hash cccb77ae9608d2768ed80dd42cec54f77b1f1455)
cpm_get_shortest_hash(${tmp} "cccb77be9609d2768ed80dd42cec54f77b1f1456" hash)
assert_equal(${hash} "cccb77be")
assert_contents_equal(${tmp}/cccb77be.hash cccb77be9609d2768ed80dd42cec54f77b1f1456)
# 1. Cleanup - remove the temporary directory that we created
file(REMOVE_RECURSE ${tmp})

View File

@ -8,10 +8,6 @@ option(ENABLE_TEST_COVERAGE "Enable test coverage" OFF)
# ---- Dependencies ----
if (@TEST_FORCE_MODULE_MODE@)
unset(CMAKE_FIND_PACKAGE_REDIRECTS_DIR CACHE)
endif()
include(@CPM_PATH@/CPM.cmake)
CPMAddPackage(
@ -19,23 +15,20 @@ CPMAddPackage(
SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/dependency
)
# ---- check if generated modules override find_package ----
if (@test_check_find_package@)
find_package(@TEST_DEPENDENCY_NAME@ REQUIRED)
endif()
# ---- Call dependency method to validate correct addition of directory ----
dependency_function()
# ---- Check newly added ----
include(@CPM_PATH@/testing.cmake)
ASSERT_TRUTHY(@TEST_DEPENDENCY_NAME@_ADDED)
# ---- Check if generated modules override find_package ----
if (@TEST_FIND_PACKAGE@)
find_package(@TEST_DEPENDENCY_NAME@ @TEST_FIND_PACKAGE_CONFIG@ REQUIRED)
find_package(@TEST_CANT_FIND_PACKAGE_NAME@ @TEST_FIND_PACKAGE_CONFIG@ QUIET)
ASSERT_FALSY(@TEST_CANT_FIND_PACKAGE_NAME@_FOUND)
endif()
# ---- Check parameters ----
include(@CPM_PATH@/testing.cmake)
ASSERT_TRUTHY(@TEST_DEPENDENCY_NAME@_ADDED)
ASSERT_DEFINED(@TEST_DEPENDENCY_NAME@_SOURCE_DIR)
ASSERT_DEFINED(@TEST_DEPENDENCY_NAME@_BINARY_DIR)
ASSERT_EQUAL("${CPM_LAST_PACKAGE_NAME}" "@TEST_DEPENDENCY_NAME@")

View File

@ -1,35 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(CPMTest)
# ---- Options ----
option(ENABLE_TEST_COVERAGE "Enable test coverage" OFF)
# ---- Dependencies ----
include(@CPM_PATH@/CPM.cmake)
CPMAddPackage(
NAME Dependency
SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/dependency
OPTIONS
"DEFINE_ALTERNATIVE_FUNCTION YES"
"LIST_ARGUMENT a\\\\;b\\\\;c"
EXCLUDE_FROM_ALL YES
)
# ---- Dependencies ----
alternative_dependency_function()
# ---- Check parameters ----
include(@CPM_PATH@/testing.cmake)
message("DEFINE_ALTERNATIVE_FUNCTION: ${DEFINE_ALTERNATIVE_FUNCTION}")
# this option is overridden by CPM.cmake
ASSERT_NOT_DEFINED(DEFINE_ALTERNATIVE_FUNCTION)
# this option is leaked by the dependency
ASSERT_EQUAL(${LEAKED_OPTION} "OFF")

View File

@ -25,5 +25,3 @@ include(@CPM_PATH@/testing.cmake)
ASSERT_TRUTHY(Dependency_ADDED)
ASSERT_DEFINED(Dependency_SOURCE_DIR)
ASSERT_DEFINED(Dependency_BINARY_DIR)
ASSERT_EQUAL("${CPM_LAST_PACKAGE_NAME}" "Dependency")

View File

@ -1,17 +0,0 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(CPMTest)
# ---- Dependencies ----
include(@CPM_PATH@/CPM.cmake)
CPMAddPackage(
NAME Dependency
SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/dependency
SOURCE_SUBDIR inner
)
# ---- Call inner dependency method to validate correct addition of subdirectory ----
inner_dependency_function()

View File

@ -1,20 +1,3 @@
cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
option(DEFINE_ALTERNATIVE_FUNCTION "define the alternative function" OFF)
option(LEAKED_OPTION "this option will be leaked to the outer scope" OFF)
if(NOT DEFINE_ALTERNATIVE_FUNCTION)
function(dependency_function)
function(dependency_function)
message("called external method")
endfunction()
else()
# check if list was passed correctly
if(NOT "${LIST_ARGUMENT}" STREQUAL "a;b;c")
message(FATAL_ERROR "list argument not properly passed to dependency: '${LIST_ARGUMENT}'")
endif()
function(alternative_dependency_function)
message("called alternative external method")
endfunction()
endif()
endfunction()

View File

@ -1,3 +0,0 @@
function(inner_dependency_function)
message("called inner method")
endfunction()

View File

@ -3,8 +3,7 @@ include(${CPM_PATH}/testing.cmake)
set(TEST_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/modules)
function(init_project_with_dependency TEST_DEPENDENCY_NAME TEST_CANT_FIND_PACKAGE_NAME)
set(TEST_FIND_PACKAGE ON)
function(init_project_with_dependency TEST_DEPENDENCY_NAME)
configure_package_config_file(
"${CMAKE_CURRENT_LIST_DIR}/local_dependency/ModuleCMakeLists.txt.in"
"${CMAKE_CURRENT_LIST_DIR}/local_dependency/CMakeLists.txt"
@ -12,24 +11,18 @@ function(init_project_with_dependency TEST_DEPENDENCY_NAME TEST_CANT_FIND_PACKAG
)
execute_process(
COMMAND ${CMAKE_COMMAND} "-S${CMAKE_CURRENT_LIST_DIR}/local_dependency" "-B${TEST_BUILD_DIR}"
COMMAND ${CMAKE_COMMAND} "-H${CMAKE_CURRENT_LIST_DIR}/local_dependency" "-B${TEST_BUILD_DIR}"
RESULT_VARIABLE ret
)
assert_equal(${ret} "0")
endfunction()
init_project_with_dependency(A B)
init_project_with_dependency(B A)
init_project_with_dependency(A)
assert_exists(${TEST_BUILD_DIR}/CPM_modules)
assert_exists(${TEST_BUILD_DIR}/CPM_modules/FindA.cmake)
assert_not_exists(${TEST_BUILD_DIR}/CPM_modules/FindB.cmake)
if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.24.0")
set(TEST_FIND_PACKAGE_CONFIG CONFIG)
init_project_with_dependency(A B)
init_project_with_dependency(B A)
# Test the fallback path for CMake <3.24 works
set(TEST_FIND_PACKAGE_CONFIG)
set(TEST_FORCE_MODULE_MODE ON)
init_project_with_dependency(A B)
init_project_with_dependency(B A)
endif()
init_project_with_dependency(B)
assert_not_exists(${TEST_BUILD_DIR}/CPM_modules/FindA.cmake)
assert_exists(${TEST_BUILD_DIR}/CPM_modules/FindB.cmake)

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