diff options
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 6be1865..665f309 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) - - |