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| author | Lasse Collin <lasse.collin@tukaani.org> | 2023-02-27 18:38:35 +0200 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2023-02-27 18:38:35 +0200 |
| commit | 4b7fb3bf41a0ca4c97fad3799949a2aa61b13b99 (patch) | |
| tree | 51f5e34701d6c5c65c6addf1641adb723a729c20 /CMakeLists.txt | |
| parent | 9aa7fdeb04c486d2700967090956af88fdccab7e (diff) | |
| download | xz-4b7fb3bf41a0ca4c97fad3799949a2aa61b13b99.tar.gz | |
CMake: Require that the C compiler supports C99 or a newer standard.
Thanks to autoantwort for reporting the issue and suggesting
a different patch:
https://github.com/tukaani-project/xz/pull/42
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 44869e5..478fb41 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -74,6 +74,14 @@ string(REGEX REPLACE # Among other things, this gives us variables xz_VERSION and xz_VERSION_MAJOR. project(xz VERSION "${XZ_VERSION}" LANGUAGES C) +# We need a compiler that supports enough C99 or newer (variable-length arrays +# aren't needed, those are optional in C17). Setting CMAKE_C_STANDARD here +# makes it the default for all targets. It doesn't affect the INTERFACE so +# liblzma::liblzma won't end up with INTERFACE_COMPILE_FEATURES "c_std_99" +# (the API headers are C89 and C++ compatible). +set(CMAKE_C_STANDARD 99) +set(CMAKE_C_STANDARD_REQUIRED ON) + # On Apple OSes, don't build executables as bundles: set(CMAKE_MACOSX_BUNDLE OFF) |