+function(llvm_update_compile_flags name)
+ get_property(sources TARGET ${name} PROPERTY SOURCES)
+ if("${sources}" MATCHES "\\.c(;|$)")
+ set(update_src_props ON)
+ endif()
+
+ # LLVM_REQUIRES_EH is an internal flag that individual
+ # targets can use to force EH
+ if((LLVM_REQUIRES_EH OR LLVM_ENABLE_EH) AND NOT CLANG_CL)
+ if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
+ message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}")
+ set(LLVM_REQUIRES_RTTI ON)
+ endif()
+ else()
+ if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
+ list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions")
+ elseif(MSVC)
+ list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0)
+ list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-")
+ endif()
+ if (CLANG_CL)
+ # FIXME: Remove this once clang-cl supports SEH
+ list(APPEND LLVM_COMPILE_DEFINITIONS "GTEST_HAS_SEH=0")
+ endif()
+ endif()
+
+ # LLVM_REQUIRES_RTTI is an internal flag that individual
+ # targets can use to force RTTI
+ if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
+ list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
+ if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
+ list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti")
+ elseif (MSVC)
+ list(APPEND LLVM_COMPILE_FLAGS "/GR-")
+ endif ()
+ endif()
+
+ # Assume that;
+ # - LLVM_COMPILE_FLAGS is list.
+ # - PROPERTY COMPILE_FLAGS is string.
+ string(REPLACE ";" " " target_compile_flags "${LLVM_COMPILE_FLAGS}")
+
+ if(update_src_props)
+ foreach(fn ${sources})
+ get_filename_component(suf ${fn} EXT)
+ if("${suf}" STREQUAL ".cpp")
+ set_property(SOURCE ${fn} APPEND_STRING PROPERTY
+ COMPILE_FLAGS "${target_compile_flags}")
+ endif()
+ endforeach()
+ else()
+ # Update target props, since all sources are C++.
+ set_property(TARGET ${name} APPEND_STRING PROPERTY
+ COMPILE_FLAGS "${target_compile_flags}")
+ endif()
+
+ set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS})
+endfunction()
+