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libm is not guaranteed to exist. POSIX requires the math functions to exist, but doesn't require to have it be a standalone library. On platforms where libm exists as a standalone library, it will always be found by meson -- it is shipped with libc. If it is not found, then we can safely assume the linker will make the math functions available by default. See https://mesonbuild.com/howtox.html#add-math-library-lm-portably Fixes building with bin_tests=true on Windows.
Meson build system for zstandard
Meson is a build system designed to optimize programmer productivity. It aims to do this by providing simple, out-of-the-box support for modern software development tools and practices, such as unit tests, coverage reports, Valgrind, CCache and the like.
This Meson build system is provided with no guarantee and maintained by Dima Krasner <dima@dimakrasner.com>.
It outputs one libzstd, either shared or static, depending on
default_library option.
How to build
cd to this meson directory (build/meson)
meson setup -Dbin_programs=true -Dbin_contrib=true builddir
cd builddir
ninja # to build
ninja install # to install
You might want to install it in staging directory:
DESTDIR=./staging ninja install
To configure build options, use:
meson configure
See man meson(1).