diff options
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 12b8f03..4009cf9 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -72,6 +72,14 @@ 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) |