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-rw-r--r--cmake/Modules/CompilerRTCompile.cmake8
1 files changed, 6 insertions, 2 deletions
diff --git a/cmake/Modules/CompilerRTCompile.cmake b/cmake/Modules/CompilerRTCompile.cmake
index 8727f5bb3..4c6568167 100644
--- a/cmake/Modules/CompilerRTCompile.cmake
+++ b/cmake/Modules/CompilerRTCompile.cmake
@@ -61,7 +61,7 @@ endfunction()
# clang_compile(<object> <source>
# CFLAGS <list of compile flags>
# DEPS <list of dependencies>)
-macro(clang_compile object_file source)
+function(clang_compile object_file source)
cmake_parse_arguments(SOURCE "" "" "CFLAGS;DEPS" ${ARGN})
get_filename_component(source_rpath ${source} REALPATH)
if(NOT COMPILER_RT_STANDALONE_BUILD)
@@ -71,6 +71,7 @@ macro(clang_compile object_file source)
list(APPEND SOURCE_DEPS CompilerRTUnitTestCheckCxx)
endif()
string(REGEX MATCH "[.](cc|cpp)$" is_cxx ${source_rpath})
+ string(REGEX MATCH "[.](m|mm)$" is_objc ${source_rpath})
if(is_cxx)
string(REPLACE " " ";" global_flags "${CMAKE_CXX_FLAGS}")
else()
@@ -84,6 +85,9 @@ macro(clang_compile object_file source)
if (APPLE)
set(global_flags ${OSX_SYSROOT_FLAG} ${global_flags})
endif()
+ if (is_objc)
+ list(APPEND global_flags -ObjC)
+ endif()
# Ignore unknown warnings. CMAKE_CXX_FLAGS may contain GCC-specific options
# which are not supported by Clang.
@@ -96,7 +100,7 @@ macro(clang_compile object_file source)
${source_rpath}
MAIN_DEPENDENCY ${source}
DEPENDS ${SOURCE_DEPS})
-endmacro()
+endfunction()
# On Darwin, there are no system-wide C++ headers and the just-built clang is
# therefore not able to compile C++ files unless they are copied/symlinked into