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44 changed files with 112 additions and 1027 deletions

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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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@ -19,7 +19,7 @@ jobs:
- name: Setup cmake - name: Setup cmake
uses: jwlawson/actions-setup-cmake@v1.13 uses: jwlawson/actions-setup-cmake@v1.13
with: with:
cmake-version: '3.27.x' cmake-version: '3.25.x'
- name: Install format dependencies - name: Install format dependencies
run: pip3 install clang-format==14.0.6 cmake_format==0.6.11 pyyaml run: pip3 install clang-format==14.0.6 cmake_format==0.6.11 pyyaml

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@ -19,7 +19,7 @@ jobs:
os: [ubuntu-latest, windows-2022, macos-latest] os: [ubuntu-latest, windows-2022, macos-latest]
# we want to ensure compatibility with a recent CMake version as well as the lowest officially supported # 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 # 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'] cmake_version: ['3.16.3', '3.25.1']
exclude: exclude:
# there seems to be an issue with CMake 3.16 not finding a C++ compiler on windows-2022 # there seems to be an issue with CMake 3.16 not finding a C++ compiler on windows-2022
- os: windows-2022 - os: windows-2022

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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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@ -104,7 +104,7 @@ Please try to keep your individual changes as minimal and focussed on the issue
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. 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. 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. This allows us to quickly validate that the changes are working as intended and also guarantees that they wont 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 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. 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. Depending on the changes, a combination of both test types may also be appropriate.

172
README.md
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@ -37,7 +37,7 @@ include(cmake/CPM.cmake)
CPMAddPackage("gh:fmtlib/fmt#7.1.3") CPMAddPackage("gh:fmtlib/fmt#7.1.3")
CPMAddPackage("gh:nlohmann/json@3.10.5") CPMAddPackage("gh:nlohmann/json@3.10.5")
CPMAddPackage("gh:catchorg/Catch2@3.4.0") CPMAddPackage("gh:catchorg/Catch2@3.2.1")
# link dependencies # link dependencies
target_link_libraries(main fmt::fmt nlohmann_json::nlohmann_json Catch2::Catch2WithMain) target_link_libraries(main fmt::fmt nlohmann_json::nlohmann_json Catch2::Catch2WithMain)
@ -67,7 +67,6 @@ Afterwards, any targets defined in the dependency can be used directly.
CPMAddPackage( CPMAddPackage(
NAME # The unique name of the dependency (should be the exported target's name) 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) 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) OPTIONS # Configuration options passed to the dependency (optional)
DOWNLOAD_ONLY # If set, the project is downloaded, but not configured (optional) DOWNLOAD_ONLY # If set, the project is downloaded, but not configured (optional)
[...] # Origin parameters forwarded to FetchContent_Declare, see below [...] # Origin parameters forwarded to FetchContent_Declare, see below
@ -79,16 +78,13 @@ If `GIT_TAG` hasn't been explicitly specified it defaults to `v(VERSION)`, a com
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. 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. `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 `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. 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) 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. 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: A single-argument compact syntax is also supported:
```cmake ```cmake
# A git package from a given uri with a version # A git package from a given uri with a version
@ -112,19 +108,6 @@ CPMAddPackage("https://example.com/my-package-1.2.3.zip#MD5=68e20f674a48be38d60e
CPMAddPackage("https://example.com/my-package.zip@1.2.3") 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. 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>_SOURCE_DIR` is the path to the source of the dependency.
@ -159,7 +142,6 @@ Dependencies using CPM will automatically use the updated script of the outermos
- **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: - **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. - [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. - [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). 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. Dependencies added with `CPMFindPackage` should work with external package managers.
@ -207,9 +189,6 @@ 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. 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 ### CPM_DOWNLOAD_ALL
If set, CPM will forward all calls to `CPMFindPackage` as `CPMAddPackage`. If set, CPM will forward all calls to `CPMFindPackage` as `CPMAddPackage`.
@ -228,13 +207,6 @@ In the case that `find_package` requires additional arguments, the parameter `FI
Note that this does not apply to dependencies that have been defined with a truthy `FORCE` parameter. These will be added as defined. 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 ### 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. 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.
@ -369,32 +341,6 @@ If you know others, feel free to add them here through a PR.
</a> </a>
</td> </td>
</tr> </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> </table>
## Snippets ## Snippets
@ -425,38 +371,34 @@ CPMAddPackage("gh:jbeder/yaml-cpp#yaml-cpp-0.6.3@0.6.3")
```cmake ```cmake
CPMAddPackage( CPMAddPackage(
URI "gh:nlohmann/json@3.9.1" NAME nlohmann_json
OPTIONS "JSON_BuildTests OFF" VERSION 3.9.1
GITHUB_REPOSITORY nlohmann/json
OPTIONS
"JSON_BuildTests OFF"
) )
``` ```
### [Boost ](https://github.com/boostorg/boost) ### [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 ```CMake
# boost is a huge project and directly downloading the 'alternate release' # boost is a huge project and will take a while to download
# from github is much faster than recursively cloning the repo. # using `CPM_SOURCE_CACHE` is strongly recommended
CPMAddPackage( CPMAddPackage(
NAME Boost NAME Boost
VERSION 1.84.0 VERSION 1.81.0
URL https://github.com/boostorg/boost/releases/download/boost-1.84.0/boost-1.84.0.tar.xz GITHUB_REPOSITORY "boostorg/boost"
URL_HASH SHA256=2e64e5d79a738d0fa6fb546c6e5c2bd28f88d268a2a080546f74e5ff98f29d0e GIT_TAG "boost-1.81.0"
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) ### [cxxopts](https://github.com/jarro2783/cxxopts)
```cmake ```cmake
# the install option has to be explicitly set to allow installation # the install option has to be explicitly set to allow installation
CPMAddPackage( CPMAddPackage(
URI "gh:jarro2783/cxxopts@2.2.1" GITHUB_REPOSITORY jarro2783/cxxopts
VERSION 2.2.1
OPTIONS "CXXOPTS_BUILD_EXAMPLES NO" "CXXOPTS_BUILD_TESTS NO" "CXXOPTS_ENABLE_INSTALL YES" OPTIONS "CXXOPTS_BUILD_EXAMPLES NO" "CXXOPTS_BUILD_TESTS NO" "CXXOPTS_ENABLE_INSTALL YES"
) )
``` ```
@ -465,7 +407,9 @@ CPMAddPackage(
```cmake ```cmake
CPMAddPackage( CPMAddPackage(
URI "gh:google/benchmark@1.5.2" NAME benchmark
GITHUB_REPOSITORY google/benchmark
VERSION 1.5.2
OPTIONS "BENCHMARK_ENABLE_TESTING Off" OPTIONS "BENCHMARK_ENABLE_TESTING Off"
) )
@ -504,85 +448,3 @@ For a full example on using CPM to download and configure lua with sol2 see [her
### Full Examples ### 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. 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
```

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@ -31,7 +31,6 @@ parse:
EXCLUDE_FROM_ALL: 1 EXCLUDE_FROM_ALL: 1
SYSTEM: 1 SYSTEM: 1
SOURCE_SUBDIR: 1 SOURCE_SUBDIR: 1
PATCHES: +
OPTIONS: + OPTIONS: +
cpmfindpackage: cpmfindpackage:
pargs: pargs:
@ -53,16 +52,11 @@ parse:
kwargs: kwargs:
NAME: 1 NAME: 1
VERSION: 1 VERSION: 1
NAMESPACE: 1
INCLUDE_DIR: 1 INCLUDE_DIR: 1
INCLUDE_DESTINATION: 1 INCLUDE_DESTINATION: 1
INCLUDE_HEADER_PATTERN: 1
BINARY_DIR: 1 BINARY_DIR: 1
COMPATIBILITY: 1 COMPATIBILITY: 1
VERSION_HEADER: 1 VERSION_HEADER: 1
EXPORT_HEADER: 1
DISABLE_VERSION_SUFFIX: 1
CPACK: 1
DEPENDENCIES: + DEPENDENCIES: +
cpmusepackagelock: cpmusepackagelock:
pargs: 1 pargs: 1

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@ -42,11 +42,7 @@ if(NOT COMMAND cpm_message)
endfunction() endfunction()
endif() endif()
if(DEFINED EXTRACTED_CPM_VERSION)
set(CURRENT_CPM_VERSION "${EXTRACTED_CPM_VERSION}${CPM_DEVELOPMENT}")
else()
set(CURRENT_CPM_VERSION 1.0.0-development-version) set(CURRENT_CPM_VERSION 1.0.0-development-version)
endif()
get_filename_component(CPM_CURRENT_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}" REALPATH) get_filename_component(CPM_CURRENT_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}" REALPATH)
if(CPM_DIRECTORY) if(CPM_DIRECTORY)
@ -103,12 +99,6 @@ macro(cpm_set_policies)
cmake_policy(SET CMP0135 NEW) cmake_policy(SET CMP0135 NEW)
set(CMAKE_POLICY_DEFAULT_CMP0135 NEW) set(CMAKE_POLICY_DEFAULT_CMP0135 NEW)
endif() endif()
# treat relative git repository paths as being relative to the parent project's remote
if(POLICY CMP0150)
cmake_policy(SET CMP0150 NEW)
set(CMAKE_POLICY_DEFAULT_CMP0150 NEW)
endif()
endmacro() endmacro()
cpm_set_policies() cpm_set_policies()
@ -166,7 +156,7 @@ set(CPM_SOURCE_CACHE
CACHE PATH "Directory to download CPM dependencies" CACHE PATH "Directory to download CPM dependencies"
) )
if(NOT CPM_DONT_UPDATE_MODULE_PATH AND NOT DEFINED CMAKE_FIND_PACKAGE_REDIRECTS_DIR) if(NOT CPM_DONT_UPDATE_MODULE_PATH)
set(CPM_MODULE_PATH set(CPM_MODULE_PATH
"${CMAKE_BINARY_DIR}/CPM_modules" "${CMAKE_BINARY_DIR}/CPM_modules"
CACHE INTERNAL "" CACHE INTERNAL ""
@ -202,60 +192,6 @@ function(cpm_package_name_from_git_uri URI RESULT)
endif() endif()
endfunction() endfunction()
# Find the shortest hash that can be used eg, if origin_hash is
# cccb77ae9609d2768ed80dd42cec54f77b1f1455 the following files will be checked, until one is found
# that is either empty (allowing us to assign origin_hash), or whose contents matches ${origin_hash}
#
# * .../cccb.hash
# * .../cccb77ae.hash
# * .../cccb77ae9609.hash
# * .../cccb77ae9609d276.hash
# * etc
#
# We will be able to use a shorter path with very high probability, but in the (rare) event that the
# first couple characters collide, we will check longer and longer substrings.
function(cpm_get_shortest_hash source_cache_dir origin_hash short_hash_output_var)
# for compatibility with caches populated by a previous version of CPM, check if a directory using
# the full hash already exists
if(EXISTS "${source_cache_dir}/${origin_hash}")
set(${short_hash_output_var}
"${origin_hash}"
PARENT_SCOPE
)
return()
endif()
foreach(len RANGE 4 40 4)
string(SUBSTRING "${origin_hash}" 0 ${len} short_hash)
set(hash_lock ${source_cache_dir}/${short_hash}.lock)
set(hash_fp ${source_cache_dir}/${short_hash}.hash)
# Take a lock, so we don't have a race condition with another instance of cmake. We will release
# this lock when we can, however, if there is an error, we want to ensure it gets released on
# it's own on exit from the function.
file(LOCK ${hash_lock} GUARD FUNCTION)
# Load the contents of .../${short_hash}.hash
file(TOUCH ${hash_fp})
file(READ ${hash_fp} hash_fp_contents)
if(hash_fp_contents STREQUAL "")
# Write the origin hash
file(WRITE ${hash_fp} ${origin_hash})
file(LOCK ${hash_lock} RELEASE)
break()
elseif(hash_fp_contents STREQUAL origin_hash)
file(LOCK ${hash_lock} RELEASE)
break()
else()
file(LOCK ${hash_lock} RELEASE)
endif()
endforeach()
set(${short_hash_output_var}
"${short_hash}"
PARENT_SCOPE
)
endfunction()
# Try to infer package name and version from a url # Try to infer package name and version from a url
function(cpm_package_name_and_ver_from_url url outName outVer) function(cpm_package_name_and_ver_from_url url outName outVer)
if(url MATCHES "[/\\?]([a-zA-Z0-9_\\.-]+)\\.(tar|tar\\.gz|tar\\.bz2|zip|ZIP)(\\?|/|$)") if(url MATCHES "[/\\?]([a-zA-Z0-9_\\.-]+)\\.(tar|tar\\.gz|tar\\.bz2|zip|ZIP)(\\?|/|$)")
@ -327,26 +263,11 @@ endfunction()
# finding the system library # finding the system library
function(cpm_create_module_file Name) function(cpm_create_module_file Name)
if(NOT CPM_DONT_UPDATE_MODULE_PATH) if(NOT CPM_DONT_UPDATE_MODULE_PATH)
if(DEFINED CMAKE_FIND_PACKAGE_REDIRECTS_DIR) # erase any previous modules
# Redirect find_package calls to the CPM package. This is what FetchContent does when you set
# OVERRIDE_FIND_PACKAGE. The CMAKE_FIND_PACKAGE_REDIRECTS_DIR works for find_package in CONFIG
# mode, unlike the Find${Name}.cmake fallback. CMAKE_FIND_PACKAGE_REDIRECTS_DIR is not defined
# in script mode, or in CMake < 3.24.
# https://cmake.org/cmake/help/latest/module/FetchContent.html#fetchcontent-find-package-integration-examples
string(TOLOWER ${Name} NameLower)
file(WRITE ${CMAKE_FIND_PACKAGE_REDIRECTS_DIR}/${NameLower}-config.cmake
"include(\"\${CMAKE_CURRENT_LIST_DIR}/${NameLower}-extra.cmake\" OPTIONAL)\n"
"include(\"\${CMAKE_CURRENT_LIST_DIR}/${Name}Extra.cmake\" OPTIONAL)\n"
)
file(WRITE ${CMAKE_FIND_PACKAGE_REDIRECTS_DIR}/${NameLower}-config-version.cmake
"set(PACKAGE_VERSION_COMPATIBLE TRUE)\n" "set(PACKAGE_VERSION_EXACT TRUE)\n"
)
else()
file(WRITE ${CPM_MODULE_PATH}/Find${Name}.cmake file(WRITE ${CPM_MODULE_PATH}/Find${Name}.cmake
"include(\"${CPM_FILE}\")\n${ARGN}\nset(${Name}_FOUND TRUE)" "include(\"${CPM_FILE}\")\n${ARGN}\nset(${Name}_FOUND TRUE)"
) )
endif() endif()
endif()
endfunction() endfunction()
# Find a package locally or fallback to CPMAddPackage # Find a package locally or fallback to CPMAddPackage
@ -373,6 +294,12 @@ function(CPMFindPackage)
return() return()
endif() endif()
cpm_check_if_package_already_added(${CPM_ARGS_NAME} "${CPM_ARGS_VERSION}")
if(CPM_PACKAGE_ALREADY_ADDED)
cpm_export_variables(${CPM_ARGS_NAME})
return()
endif()
cpm_find_package(${CPM_ARGS_NAME} "${CPM_ARGS_VERSION}" ${CPM_ARGS_FIND_PACKAGE_ARGUMENTS}) cpm_find_package(${CPM_ARGS_NAME} "${CPM_ARGS_VERSION}" ${CPM_ARGS_FIND_PACKAGE_ARGUMENTS})
if(NOT CPM_PACKAGE_FOUND) if(NOT CPM_PACKAGE_FOUND)
@ -464,8 +391,8 @@ function(cpm_parse_add_package_single_arg arg outArgs)
# We don't try to parse the version if it's not provided explicitly. cpm_get_version_from_url # We don't try to parse the version if it's not provided explicitly. cpm_get_version_from_url
# should do this at a later point # should do this at a later point
else() else()
# We should never get here. This is an assertion and hitting it means there's a problem with the # We should never get here. This is an assertion and hitting it means there's a bug in the code
# code above. A packageType was set, but not handled by this if-else. # above. A packageType was set, but not handled by this if-else.
message(FATAL_ERROR "${CPM_INDENT} Unsupported package type '${packageType}' of '${arg}'") message(FATAL_ERROR "${CPM_INDENT} Unsupported package type '${packageType}' of '${arg}'")
endif() endif()
@ -537,72 +464,6 @@ function(cpm_check_git_working_dir_is_clean repoPath gitTag isClean)
endfunction() endfunction()
# Add PATCH_COMMAND to CPM_ARGS_UNPARSED_ARGUMENTS. This method consumes a list of files in ARGN
# then generates a `PATCH_COMMAND` appropriate for `ExternalProject_Add()`. This command is appended
# to the parent scope's `CPM_ARGS_UNPARSED_ARGUMENTS`.
function(cpm_add_patches)
# Return if no patch files are supplied.
if(NOT ARGN)
return()
endif()
# Find the patch program.
find_program(PATCH_EXECUTABLE patch)
if(CMAKE_HOST_WIN32 AND NOT PATCH_EXECUTABLE)
# The Windows git executable is distributed with patch.exe. Find the path to the executable, if
# it exists, then search `../usr/bin` and `../../usr/bin` for patch.exe.
find_package(Git QUIET)
if(GIT_EXECUTABLE)
get_filename_component(extra_search_path ${GIT_EXECUTABLE} DIRECTORY)
get_filename_component(extra_search_path_1up ${extra_search_path} DIRECTORY)
get_filename_component(extra_search_path_2up ${extra_search_path_1up} DIRECTORY)
find_program(
PATCH_EXECUTABLE patch HINTS "${extra_search_path_1up}/usr/bin"
"${extra_search_path_2up}/usr/bin"
)
endif()
endif()
if(NOT PATCH_EXECUTABLE)
message(FATAL_ERROR "Couldn't find `patch` executable to use with PATCHES keyword.")
endif()
# Create a temporary
set(temp_list ${CPM_ARGS_UNPARSED_ARGUMENTS})
# Ensure each file exists (or error out) and add it to the list.
set(first_item True)
foreach(PATCH_FILE ${ARGN})
# Make sure the patch file exists, if we can't find it, try again in the current directory.
if(NOT EXISTS "${PATCH_FILE}")
if(NOT EXISTS "${CMAKE_CURRENT_LIST_DIR}/${PATCH_FILE}")
message(FATAL_ERROR "Couldn't find patch file: '${PATCH_FILE}'")
endif()
set(PATCH_FILE "${CMAKE_CURRENT_LIST_DIR}/${PATCH_FILE}")
endif()
# Convert to absolute path for use with patch file command.
get_filename_component(PATCH_FILE "${PATCH_FILE}" ABSOLUTE)
# The first patch entry must be preceded by "PATCH_COMMAND" while the following items are
# preceded by "&&".
if(first_item)
set(first_item False)
list(APPEND temp_list "PATCH_COMMAND")
else()
list(APPEND temp_list "&&")
endif()
# Add the patch command to the list
list(APPEND temp_list "${PATCH_EXECUTABLE}" "-p1" "<" "${PATCH_FILE}")
endforeach()
# Move temp out into parent scope.
set(CPM_ARGS_UNPARSED_ARGUMENTS
${temp_list}
PARENT_SCOPE
)
endfunction()
# method to overwrite internal FetchContent properties, to allow using CPM.cmake to overload # method to overwrite internal FetchContent properties, to allow using CPM.cmake to overload
# FetchContent calls. As these are internal cmake properties, this method should be used carefully # FetchContent calls. As these are internal cmake properties, this method should be used carefully
# and may need modification in future CMake versions. Source: # and may need modification in future CMake versions. Source:
@ -648,6 +509,14 @@ endfunction()
function(CPMAddPackage) function(CPMAddPackage)
cpm_set_policies() cpm_set_policies()
list(LENGTH ARGN argnLength)
if(argnLength EQUAL 1)
cpm_parse_add_package_single_arg("${ARGN}" ARGN)
# The shorthand syntax implies EXCLUDE_FROM_ALL and SYSTEM
set(ARGN "${ARGN};EXCLUDE_FROM_ALL;YES;SYSTEM;YES;")
endif()
set(oneValueArgs set(oneValueArgs
NAME NAME
FORCE FORCE
@ -659,37 +528,21 @@ function(CPMAddPackage)
BITBUCKET_REPOSITORY BITBUCKET_REPOSITORY
GIT_REPOSITORY GIT_REPOSITORY
SOURCE_DIR SOURCE_DIR
DOWNLOAD_COMMAND
FIND_PACKAGE_ARGUMENTS FIND_PACKAGE_ARGUMENTS
NO_CACHE NO_CACHE
SYSTEM SYSTEM
GIT_SHALLOW GIT_SHALLOW
EXCLUDE_FROM_ALL EXCLUDE_FROM_ALL
SOURCE_SUBDIR SOURCE_SUBDIR
CUSTOM_CACHE_KEY
) )
set(multiValueArgs URL OPTIONS DOWNLOAD_COMMAND PATCHES) set(multiValueArgs URL OPTIONS)
list(LENGTH ARGN argnLength)
# Parse single shorthand argument
if(argnLength EQUAL 1)
cpm_parse_add_package_single_arg("${ARGN}" ARGN)
# The shorthand syntax implies EXCLUDE_FROM_ALL and SYSTEM
set(ARGN "${ARGN};EXCLUDE_FROM_ALL;YES;SYSTEM;YES;")
# Parse URI shorthand argument
elseif(argnLength GREATER 1 AND "${ARGV0}" STREQUAL "URI")
list(REMOVE_AT ARGN 0 1) # remove "URI gh:<...>@version#tag"
cpm_parse_add_package_single_arg("${ARGV1}" ARGV0)
set(ARGN "${ARGV0};EXCLUDE_FROM_ALL;YES;SYSTEM;YES;${ARGN}")
endif()
cmake_parse_arguments(CPM_ARGS "" "${oneValueArgs}" "${multiValueArgs}" "${ARGN}") cmake_parse_arguments(CPM_ARGS "" "${oneValueArgs}" "${multiValueArgs}" "${ARGN}")
# Set default values for arguments # Set default values for arguments
if(NOT DEFINED CPM_ARGS_VERSION) if(NOT DEFINED CPM_ARGS_VERSION)
if(DEFINED CPM_ARGS_GIT_TAG) if(DEFINED CPM_ARGS_GIT_TAG)
cpm_get_version_from_git_tag("${CPM_ARGS_GIT_TAG}" CPM_ARGS_VERSION) cpm_get_version_from_git_tag("${CPM_ARGS_GIT_TAG}" CPM_ARGS_VERSION)
@ -775,7 +628,6 @@ function(CPMAddPackage)
SOURCE_DIR "${PACKAGE_SOURCE}" SOURCE_DIR "${PACKAGE_SOURCE}"
EXCLUDE_FROM_ALL "${CPM_ARGS_EXCLUDE_FROM_ALL}" EXCLUDE_FROM_ALL "${CPM_ARGS_EXCLUDE_FROM_ALL}"
SYSTEM "${CPM_ARGS_SYSTEM}" SYSTEM "${CPM_ARGS_SYSTEM}"
PATCHES "${CPM_ARGS_PATCHES}"
OPTIONS "${CPM_ARGS_OPTIONS}" OPTIONS "${CPM_ARGS_OPTIONS}"
SOURCE_SUBDIR "${CPM_ARGS_SOURCE_SUBDIR}" SOURCE_SUBDIR "${CPM_ARGS_SOURCE_SUBDIR}"
DOWNLOAD_ONLY "${DOWNLOAD_ONLY}" DOWNLOAD_ONLY "${DOWNLOAD_ONLY}"
@ -831,8 +683,6 @@ function(CPMAddPackage)
set(CPM_FETCHCONTENT_BASE_DIR ${CMAKE_BINARY_DIR}/_deps) set(CPM_FETCHCONTENT_BASE_DIR ${CMAKE_BINARY_DIR}/_deps)
endif() endif()
cpm_add_patches(${CPM_ARGS_PATCHES})
if(DEFINED CPM_ARGS_DOWNLOAD_COMMAND) if(DEFINED CPM_ARGS_DOWNLOAD_COMMAND)
list(APPEND CPM_ARGS_UNPARSED_ARGUMENTS DOWNLOAD_COMMAND ${CPM_ARGS_DOWNLOAD_COMMAND}) list(APPEND CPM_ARGS_UNPARSED_ARGUMENTS DOWNLOAD_COMMAND ${CPM_ARGS_DOWNLOAD_COMMAND})
elseif(DEFINED CPM_ARGS_SOURCE_DIR) elseif(DEFINED CPM_ARGS_SOURCE_DIR)
@ -855,24 +705,11 @@ function(CPMAddPackage)
string(TOLOWER ${CPM_ARGS_NAME} lower_case_name) string(TOLOWER ${CPM_ARGS_NAME} lower_case_name)
set(origin_parameters ${CPM_ARGS_UNPARSED_ARGUMENTS}) set(origin_parameters ${CPM_ARGS_UNPARSED_ARGUMENTS})
list(SORT origin_parameters) list(SORT origin_parameters)
if(CPM_ARGS_CUSTOM_CACHE_KEY) if(CPM_USE_NAMED_CACHE_DIRECTORIES)
# Application set a custom unique directory name
set(download_directory ${CPM_SOURCE_CACHE}/${lower_case_name}/${CPM_ARGS_CUSTOM_CACHE_KEY})
elseif(CPM_USE_NAMED_CACHE_DIRECTORIES)
string(SHA1 origin_hash "${origin_parameters};NEW_CACHE_STRUCTURE_TAG") string(SHA1 origin_hash "${origin_parameters};NEW_CACHE_STRUCTURE_TAG")
cpm_get_shortest_hash(
"${CPM_SOURCE_CACHE}/${lower_case_name}" # source cache directory
"${origin_hash}" # Input hash
origin_hash # Computed hash
)
set(download_directory ${CPM_SOURCE_CACHE}/${lower_case_name}/${origin_hash}/${CPM_ARGS_NAME}) set(download_directory ${CPM_SOURCE_CACHE}/${lower_case_name}/${origin_hash}/${CPM_ARGS_NAME})
else() else()
string(SHA1 origin_hash "${origin_parameters}") string(SHA1 origin_hash "${origin_parameters}")
cpm_get_shortest_hash(
"${CPM_SOURCE_CACHE}/${lower_case_name}" # source cache directory
"${origin_hash}" # Input hash
origin_hash # Computed hash
)
set(download_directory ${CPM_SOURCE_CACHE}/${lower_case_name}/${origin_hash}) set(download_directory ${CPM_SOURCE_CACHE}/${lower_case_name}/${origin_hash})
endif() endif()
# Expand `download_directory` relative path. This is important because EXISTS doesn't work for # Expand `download_directory` relative path. This is important because EXISTS doesn't work for
@ -939,9 +776,7 @@ function(CPMAddPackage)
endif() endif()
endif() endif()
if(NOT "${DOWNLOAD_ONLY}")
cpm_create_module_file(${CPM_ARGS_NAME} "CPMAddPackage(\"${ARGN}\")") cpm_create_module_file(${CPM_ARGS_NAME} "CPMAddPackage(\"${ARGN}\")")
endif()
if(CPM_PACKAGE_LOCK_ENABLED) if(CPM_PACKAGE_LOCK_ENABLED)
if((CPM_ARGS_VERSION AND NOT CPM_ARGS_SOURCE_DIR) OR CPM_INCLUDE_ALL_IN_PACKAGE_LOCK) if((CPM_ARGS_VERSION AND NOT CPM_ARGS_SOURCE_DIR) OR CPM_INCLUDE_ALL_IN_PACKAGE_LOCK)
@ -958,39 +793,14 @@ function(CPMAddPackage)
) )
if(NOT CPM_SKIP_FETCH) if(NOT CPM_SKIP_FETCH)
# CMake 3.28 added EXCLUDE, SYSTEM (3.25), and SOURCE_SUBDIR (3.18) to FetchContent_Declare.
# Calling FetchContent_MakeAvailable will then internally forward these options to
# add_subdirectory. Up until these changes, we had to call FetchContent_Populate and
# add_subdirectory separately, which is no longer necessary and has been deprecated as of 3.30.
# A Bug in CMake prevents us to use the non-deprecated functions until 3.30.3.
set(fetchContentDeclareExtraArgs "")
if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.30.3")
if(${CPM_ARGS_EXCLUDE_FROM_ALL})
list(APPEND fetchContentDeclareExtraArgs EXCLUDE_FROM_ALL)
endif()
if(${CPM_ARGS_SYSTEM})
list(APPEND fetchContentDeclareExtraArgs SYSTEM)
endif()
if(DEFINED CPM_ARGS_SOURCE_SUBDIR)
list(APPEND fetchContentDeclareExtraArgs SOURCE_SUBDIR ${CPM_ARGS_SOURCE_SUBDIR})
endif()
# For CMake version <3.28 OPTIONS are parsed in cpm_add_subdirectory
if(CPM_ARGS_OPTIONS AND NOT DOWNLOAD_ONLY)
foreach(OPTION ${CPM_ARGS_OPTIONS})
cpm_parse_option("${OPTION}")
set(${OPTION_KEY} "${OPTION_VALUE}")
endforeach()
endif()
endif()
cpm_declare_fetch( cpm_declare_fetch(
"${CPM_ARGS_NAME}" ${fetchContentDeclareExtraArgs} "${CPM_ARGS_UNPARSED_ARGUMENTS}" "${CPM_ARGS_NAME}" "${CPM_ARGS_VERSION}" "${PACKAGE_INFO}" "${CPM_ARGS_UNPARSED_ARGUMENTS}"
) )
cpm_fetch_package("${CPM_ARGS_NAME}" populated)
cpm_fetch_package("${CPM_ARGS_NAME}" ${DOWNLOAD_ONLY} populated ${CPM_ARGS_UNPARSED_ARGUMENTS})
if(CPM_SOURCE_CACHE AND download_directory) if(CPM_SOURCE_CACHE AND download_directory)
file(LOCK ${download_directory}/../cmake.lock RELEASE) file(LOCK ${download_directory}/../cmake.lock RELEASE)
endif() endif()
if(${populated} AND ${CMAKE_VERSION} VERSION_LESS "3.30.3") if(${populated})
cpm_add_subdirectory( cpm_add_subdirectory(
"${CPM_ARGS_NAME}" "${CPM_ARGS_NAME}"
"${DOWNLOAD_ONLY}" "${DOWNLOAD_ONLY}"
@ -1101,7 +911,7 @@ function(CPMGetPackageVersion PACKAGE OUTPUT)
endfunction() endfunction()
# declares a package in FetchContent_Declare # declares a package in FetchContent_Declare
function(cpm_declare_fetch PACKAGE) function(cpm_declare_fetch PACKAGE VERSION INFO)
if(${CPM_DRY_RUN}) if(${CPM_DRY_RUN})
cpm_message(STATUS "${CPM_INDENT} Package not declared (dry run)") cpm_message(STATUS "${CPM_INDENT} Package not declared (dry run)")
return() return()
@ -1177,7 +987,7 @@ endfunction()
# downloads a previously declared package via FetchContent and exports the variables # downloads a previously declared package via FetchContent and exports the variables
# `${PACKAGE}_SOURCE_DIR` and `${PACKAGE}_BINARY_DIR` to the parent scope # `${PACKAGE}_SOURCE_DIR` and `${PACKAGE}_BINARY_DIR` to the parent scope
function(cpm_fetch_package PACKAGE DOWNLOAD_ONLY populated) function(cpm_fetch_package PACKAGE populated)
set(${populated} set(${populated}
FALSE FALSE
PARENT_SCOPE PARENT_SCOPE
@ -1192,24 +1002,7 @@ function(cpm_fetch_package PACKAGE DOWNLOAD_ONLY populated)
string(TOLOWER "${PACKAGE}" lower_case_name) string(TOLOWER "${PACKAGE}" lower_case_name)
if(NOT ${lower_case_name}_POPULATED) if(NOT ${lower_case_name}_POPULATED)
if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.30.3")
if(DOWNLOAD_ONLY)
# MakeAvailable will call add_subdirectory internally which is not what we want when
# DOWNLOAD_ONLY is set. Populate will only download the dependency without adding it to the
# build
FetchContent_Populate(
${PACKAGE}
SOURCE_DIR "${CPM_FETCHCONTENT_BASE_DIR}/${lower_case_name}-src"
BINARY_DIR "${CPM_FETCHCONTENT_BASE_DIR}/${lower_case_name}-build"
SUBBUILD_DIR "${CPM_FETCHCONTENT_BASE_DIR}/${lower_case_name}-subbuild"
${ARGN}
)
else()
FetchContent_MakeAvailable(${PACKAGE})
endif()
else()
FetchContent_Populate(${PACKAGE}) FetchContent_Populate(${PACKAGE})
endif()
set(${populated} set(${populated}
TRUE TRUE
PARENT_SCOPE PARENT_SCOPE
@ -1303,17 +1096,15 @@ function(cpm_prettify_package_arguments OUT_VAR IS_IN_COMMENT)
DOWNLOAD_ONLY DOWNLOAD_ONLY
GITHUB_REPOSITORY GITHUB_REPOSITORY
GITLAB_REPOSITORY GITLAB_REPOSITORY
BITBUCKET_REPOSITORY
GIT_REPOSITORY GIT_REPOSITORY
SOURCE_DIR SOURCE_DIR
DOWNLOAD_COMMAND
FIND_PACKAGE_ARGUMENTS FIND_PACKAGE_ARGUMENTS
NO_CACHE NO_CACHE
SYSTEM SYSTEM
GIT_SHALLOW GIT_SHALLOW
EXCLUDE_FROM_ALL
SOURCE_SUBDIR
) )
set(multiValueArgs URL OPTIONS DOWNLOAD_COMMAND) set(multiValueArgs OPTIONS)
cmake_parse_arguments(CPM_ARGS "" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) cmake_parse_arguments(CPM_ARGS "" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
foreach(oneArgName ${oneValueArgs}) foreach(oneArgName ${oneValueArgs})

View File

@ -16,9 +16,21 @@ endif()
# Expand relative path. This is important if the provided path contains a tilde (~) # Expand relative path. This is important if the provided path contains a tilde (~)
get_filename_component(CPM_DOWNLOAD_LOCATION ${CPM_DOWNLOAD_LOCATION} ABSOLUTE) get_filename_component(CPM_DOWNLOAD_LOCATION ${CPM_DOWNLOAD_LOCATION} ABSOLUTE)
file(DOWNLOAD message(STATUS "Using CPM at ${CPM_DOWNLOAD_LOCATION}")
file(
DOWNLOAD
https://github.com/cpm-cmake/CPM.cmake/releases/download/v${CPM_DOWNLOAD_VERSION}/CPM.cmake https://github.com/cpm-cmake/CPM.cmake/releases/download/v${CPM_DOWNLOAD_VERSION}/CPM.cmake
${CPM_DOWNLOAD_LOCATION} EXPECTED_HASH SHA256=${CPM_HASH_SUM} ${CPM_DOWNLOAD_LOCATION}
STATUS CPM_DOWNLOAD_STATUS
EXPECTED_HASH SHA256=${CPM_HASH_SUM}
) )
list(GET CPM_DOWNLOAD_STATUS 0 CPM_DOWNLOAD_STATUS_CODE)
if(NOT ${CPM_DOWNLOAD_STATUS_CODE} EQUAL 0)
# give a fatal error when download fails
list(GET CPM_DOWNLOAD_STATUS 1 CPM_DOWNLOAD_ERROR_MESSAGE)
message(FATAL_ERROR "Error occurred during download of CPM: ${CPM_DOWNLOAD_ERROR_MESSAGE}")
endif()
include(${CPM_DOWNLOAD_LOCATION}) include(${CPM_DOWNLOAD_LOCATION})

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@ -32,13 +32,13 @@ function(ASSERT_DEFINED KEY)
if(DEFINED ${KEY}) if(DEFINED ${KEY})
message(STATUS "test passed: '${KEY}' is defined") message(STATUS "test passed: '${KEY}' is defined")
else() else()
message(FATAL_ERROR "assertion failed: '${KEY}' is not defined") message(FATAL_ERROR "assertion failed: '${KEY}' is not defiend")
endif() endif()
endfunction() endfunction()
function(ASSERT_NOT_DEFINED KEY) function(ASSERT_NOT_DEFINED KEY)
if(DEFINED ${KEY}) if(DEFINED ${KEY})
message(FATAL_ERROR "assertion failed: '${KEY}' is defined (${${KEY}})") message(FATAL_ERROR "assertion failed: '${KEY}' is defiend (${${KEY}})")
else() else()
message(STATUS "test passed: '${KEY}' is not defined") message(STATUS "test passed: '${KEY}' is not defined")
endif() endif()
@ -79,16 +79,3 @@ function(ASSERT_NOT_EXISTS file)
message(FATAL_ERROR "assertion failed: file ${file} exists") message(FATAL_ERROR "assertion failed: file ${file} exists")
endif() endif()
endfunction() 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()

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@ -13,12 +13,9 @@ include(../../cmake/CPM.cmake)
CPMAddPackage( CPMAddPackage(
NAME Boost NAME Boost
VERSION 1.86.0 # Versions less than 1.85.0 may need patches for installation targets. VERSION 1.81.0
URL https://github.com/boostorg/boost/releases/download/boost-1.86.0/boost-1.86.0-cmake.tar.xz GITHUB_REPOSITORY "boostorg/boost"
URL_HASH SHA256=2c5ec5edcdff47ff55e27ed9560b0a0b94b07bd07ed9928b476150e16b0efc57 GIT_TAG "boost-1.81.0"
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!
) )
# `Boost::headers` is also valid target_link_libraries(CPMExampleBoost PRIVATE Boost::asio)
target_link_libraries(CPMExampleBoost PRIVATE Boost::asio Boost::container)

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

View File

@ -7,7 +7,7 @@ project(CPMExampleCatch2)
include(../../cmake/CPM.cmake) include(../../cmake/CPM.cmake)
CPMAddPackage("gh:cpm-cmake/testpack-fibonacci@2.0") CPMAddPackage("gh:cpm-cmake/testpack-fibonacci@2.0")
CPMAddPackage("gh:catchorg/Catch2@3.4.0") CPMAddPackage("gh:catchorg/Catch2@3.2.1")
# ---- Create binary ---- # ---- Create binary ----

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@ -9,7 +9,8 @@ include(../../cmake/CPM.cmake)
CPMAddPackage( CPMAddPackage(
NAME EnTT NAME EnTT
VERSION 3.1.1 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 DOWNLOAD_ONLY True
) )

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

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@ -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;
}

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

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@ -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;
}
}

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@ -8,7 +8,7 @@ include(../../cmake/CPM.cmake)
CPMAddPackage( CPMAddPackage(
NAME lua NAME lua
GITHUB_REPOSITORY lua/lua GIT_REPOSITORY https://github.com/lua/lua.git
VERSION 5.3.5 VERSION 5.3.5
DOWNLOAD_ONLY YES DOWNLOAD_ONLY YES
) )
@ -21,13 +21,7 @@ if(lua_ADDED)
target_include_directories(lua SYSTEM PUBLIC $<BUILD_INTERFACE:${lua_SOURCE_DIR}>) target_include_directories(lua SYSTEM PUBLIC $<BUILD_INTERFACE:${lua_SOURCE_DIR}>)
endif() endif()
CPMAddPackage( CPMAddPackage("gh:ThePhD/sol2@3.3.0")
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
)
# ---- Executable ---- # ---- Executable ----

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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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@ -9,7 +9,7 @@ include(../../cmake/CPM.cmake)
CPMAddPackage("gh:gabime/spdlog@1.8.2") 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 # 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: # can let spdlog re-use fmt from CPM.cmake like this:
# #
# cmake-format: off # cmake-format: off
# #

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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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@ -12,7 +12,7 @@ To run all tests from the repo root execute:
$ ruby test/integration/runner.rb $ ruby test/integration/runner.rb
``` ```
The runner will run all tests and generate a report of the execution. The runner will run all tests and generate a report of the exeuction.
The current working directory doesn't matter. If you are in `<repo-root>/test/integration`, you can run simply `$ ruby runner.rb`. The current working directory doesn't matter. If you are in `<repo-root>/test/integration`, you can run simply `$ ruby runner.rb`.
@ -34,7 +34,7 @@ Writing tests makes use of the custom integration test framework in `lib.rb`. It
* 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. * 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. * 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. * 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. * The test methods should contain assertions which check for the expected state of things at varous points of the test's execution.
### More ### More

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@ -143,7 +143,7 @@ class Project
end end
class IntegrationTest < Test::Unit::TestCase class IntegrationTest < Test::Unit::TestCase
self.test_order = :defined # run tests in order of definition (as opposed to alphabetical) self.test_order = :defined # run tests in order of defintion (as opposed to alphabetical)
def cleanup def cleanup
# Clear cpm-related env vars which may have been set by the test # Clear cpm-related env vars which may have been set by the test

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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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@ -31,10 +31,8 @@ class Basics < IntegrationTest
assert_same_path File.join(prj.bin_dir, 'cpm-package-lock.cmake'), check_and_get('CPM_PACKAGE_LOCK_FILE') 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') 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') assert_same_path File.join(prj.bin_dir, 'CPM_modules'), check_and_get('CPM_MODULE_PATH')
end end
end
# Test when env CPM_SOURCE_CACHE is set # Test when env CPM_SOURCE_CACHE is set
def test_env_cpm_source_cache def test_env_cpm_source_cache

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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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@ -1,27 +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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@ -1,86 +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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@ -70,7 +70,7 @@ class Simple < IntegrationTest
exes = Dir[exe_dir + '/**/*'].filter { exes = Dir[exe_dir + '/**/*'].filter {
# on multi-configuration generators (like Visual Studio) the executables will be in bin/<Config> # on multi-configuration generators (like Visual Studio) the executables will be in bin/<Config>
# also filter-out other artifacts like .pdb or .dsym # also filter-out other articacts like .pdb or .dsym
!File.directory?(_1) && File.stat(_1).executable? !File.directory?(_1) && File.stat(_1).executable?
}.map { }.map {
# remove .exe extension if any (there will be one on Windows) # remove .exe extension if any (there will be one on Windows)

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@ -75,17 +75,6 @@ class SourceCache < IntegrationTest
assert_equal ver, package.ver assert_equal ver, package.ver
expected_parent_dir = File.join(@cache_dir, name.downcase) 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}" assert package.src_dir.start_with?(expected_parent_dir), "#{package.src_dir} must be in #{expected_parent_dir}"
assert_equal dir_sha1, File.basename(package.src_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
end end

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@ -14,7 +14,7 @@ class MyTest < IntegrationTest
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. 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 assoiciated pair of source and binary directories in the temporary directory and it provides methods to work with them.
We start by creating the project: We start by creating the project:

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@ -137,19 +137,3 @@ execute_process(
assert_equal(${ret} "0") assert_equal(${ret} "0")
assert_not_exists("${CPM_SOURCE_CACHE_DIR}/fibonacci") assert_not_exists("${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")

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@ -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})

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@ -8,10 +8,6 @@ option(ENABLE_TEST_COVERAGE "Enable test coverage" OFF)
# ---- Dependencies ---- # ---- Dependencies ----
if (@TEST_FORCE_MODULE_MODE@)
unset(CMAKE_FIND_PACKAGE_REDIRECTS_DIR CACHE)
endif()
include(@CPM_PATH@/CPM.cmake) include(@CPM_PATH@/CPM.cmake)
CPMAddPackage( CPMAddPackage(
@ -19,23 +15,21 @@ CPMAddPackage(
SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/dependency SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/dependency
) )
# ---- check if generated modules override find_package ----
if (@test_check_find_package@)
find_package(@TEST_DEPENDENCY_NAME@ REQUIRED)
endif()
# ---- Call dependency method to validate correct addition of directory ---- # ---- Call dependency method to validate correct addition of directory ----
dependency_function() dependency_function()
# ---- Check newly added ----
include(@CPM_PATH@/testing.cmake)
ASSERT_TRUTHY(@TEST_DEPENDENCY_NAME@_ADDED)
# ---- Check if generated modules override find_package ----
if (@TEST_FIND_PACKAGE@)
find_package(@TEST_DEPENDENCY_NAME@ @TEST_FIND_PACKAGE_CONFIG@ REQUIRED)
find_package(@TEST_CANT_FIND_PACKAGE_NAME@ @TEST_FIND_PACKAGE_CONFIG@ QUIET)
ASSERT_FALSY(@TEST_CANT_FIND_PACKAGE_NAME@_FOUND)
endif()
# ---- Check parameters ---- # ---- Check parameters ----
include(@CPM_PATH@/testing.cmake)
ASSERT_TRUTHY(@TEST_DEPENDENCY_NAME@_ADDED)
ASSERT_DEFINED(@TEST_DEPENDENCY_NAME@_SOURCE_DIR) ASSERT_DEFINED(@TEST_DEPENDENCY_NAME@_SOURCE_DIR)
ASSERT_DEFINED(@TEST_DEPENDENCY_NAME@_BINARY_DIR) ASSERT_DEFINED(@TEST_DEPENDENCY_NAME@_BINARY_DIR)
ASSERT_EQUAL("${CPM_LAST_PACKAGE_NAME}" "@TEST_DEPENDENCY_NAME@") ASSERT_EQUAL("${CPM_LAST_PACKAGE_NAME}" "@TEST_DEPENDENCY_NAME@")

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@ -3,8 +3,7 @@ include(${CPM_PATH}/testing.cmake)
set(TEST_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/modules) set(TEST_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/modules)
function(init_project_with_dependency TEST_DEPENDENCY_NAME TEST_CANT_FIND_PACKAGE_NAME) function(init_project_with_dependency TEST_DEPENDENCY_NAME)
set(TEST_FIND_PACKAGE ON)
configure_package_config_file( configure_package_config_file(
"${CMAKE_CURRENT_LIST_DIR}/local_dependency/ModuleCMakeLists.txt.in" "${CMAKE_CURRENT_LIST_DIR}/local_dependency/ModuleCMakeLists.txt.in"
"${CMAKE_CURRENT_LIST_DIR}/local_dependency/CMakeLists.txt" "${CMAKE_CURRENT_LIST_DIR}/local_dependency/CMakeLists.txt"
@ -19,17 +18,11 @@ function(init_project_with_dependency TEST_DEPENDENCY_NAME TEST_CANT_FIND_PACKAG
assert_equal(${ret} "0") assert_equal(${ret} "0")
endfunction() endfunction()
init_project_with_dependency(A B) init_project_with_dependency(A)
init_project_with_dependency(B A) assert_exists(${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(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.24.0") init_project_with_dependency(B)
set(TEST_FIND_PACKAGE_CONFIG CONFIG) assert_not_exists(${TEST_BUILD_DIR}/CPM_modules/FindA.cmake)
init_project_with_dependency(A B) assert_exists(${TEST_BUILD_DIR}/CPM_modules/FindB.cmake)
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()