diff options
Diffstat (limited to 'clang-r353983e/lib64/cmake/llvm/HandleLLVMStdlib.cmake')
| -rw-r--r-- | clang-r353983e/lib64/cmake/llvm/HandleLLVMStdlib.cmake | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/clang-r353983e/lib64/cmake/llvm/HandleLLVMStdlib.cmake b/clang-r353983e/lib64/cmake/llvm/HandleLLVMStdlib.cmake new file mode 100644 index 00000000..a0706d8e --- /dev/null +++ b/clang-r353983e/lib64/cmake/llvm/HandleLLVMStdlib.cmake @@ -0,0 +1,32 @@ +# This CMake module is responsible for setting the standard library to libc++ +# if the user has requested it. + +include(DetermineGCCCompatible) + +if(NOT DEFINED LLVM_STDLIB_HANDLED) + set(LLVM_STDLIB_HANDLED ON) + + function(append value) + foreach(variable ${ARGN}) + set(${variable} "${${variable}} ${value}" PARENT_SCOPE) + endforeach(variable) + endfunction() + + include(CheckCXXCompilerFlag) + include(CheckLinkerFlag) + if(LLVM_ENABLE_LIBCXX) + if(LLVM_COMPILER_IS_GCC_COMPATIBLE) + check_cxx_compiler_flag("-stdlib=libc++" CXX_COMPILER_SUPPORTS_STDLIB) + check_linker_flag("-stdlib=libc++" CXX_LINKER_SUPPORTS_STDLIB) + if(CXX_COMPILER_SUPPORTS_STDLIB AND CXX_LINKER_SUPPORTS_STDLIB) + append("-stdlib=libc++" + CMAKE_CXX_FLAGS CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS + CMAKE_MODULE_LINKER_FLAGS) + else() + message(WARNING "Can't specify libc++ with '-stdlib='") + endif() + else() + message(WARNING "Not sure how to specify libc++ for this compiler") + endif() + endif() +endif() |