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| author | Marc Chevrier <marc.chevrier@gmail.com> | 2021-07-02 10:47:32 +0200 |
|---|---|---|
| committer | Marc Chevrier <marc.chevrier@gmail.com> | 2021-07-09 14:50:50 +0200 |
| commit | 14e57e9637964594461711954c6c906bc22eb7c7 (patch) | |
| tree | 7e6bbfb2303d1c4377470180a36a6103df1a55fb /Modules/CMakeCInformation.cmake | |
| parent | 9c5132a586562c00511fd8ff2bac0250c70dae95 (diff) | |
| download | cmake-14e57e9637964594461711954c6c906bc22eb7c7.tar.gz | |
LINK_WHAT_YOU_USE feature: externalize configuration
Currently, this feature is only supported on ELF platforms. So, the property
LINK_WHAT_YOU_USE will be ignored for other plateforms.
Moreover, flags and commands are now controled by CMake variables.
Fixes: #20174
Diffstat (limited to 'Modules/CMakeCInformation.cmake')
| -rw-r--r-- | Modules/CMakeCInformation.cmake | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Modules/CMakeCInformation.cmake b/Modules/CMakeCInformation.cmake index 6be1865755..665f309278 100644 --- a/Modules/CMakeCInformation.cmake +++ b/Modules/CMakeCInformation.cmake @@ -91,6 +91,14 @@ if(CMAKE_USER_MAKE_RULES_OVERRIDE_C) set(CMAKE_USER_MAKE_RULES_OVERRIDE_C "${_override}") endif() +if(CMAKE_EXECUTABLE_FORMAT STREQUAL "ELF") + if(NOT DEFINED CMAKE_C_LINK_WHAT_YOU_USE_FLAG) + set(CMAKE_C_LINK_WHAT_YOU_USE_FLAG "LINKER:--no-as-needed") + endif() + if(NOT DEFINED CMAKE_LINK_WHAT_YOU_USE_CHECK) + set(CMAKE_LINK_WHAT_YOU_USE_CHECK ldd -u -r) + endif() +endif() # for most systems a module is the same as a shared library # so unless the variable CMAKE_MODULE_EXISTS is set just @@ -196,5 +204,3 @@ if(NOT CMAKE_EXECUTABLE_RPATH_LINK_C_FLAG) endif() set(CMAKE_C_INFORMATION_LOADED 1) - - |