[compiler-rt] r248523 - [CMake] [darwin] [builtins] Match clang_darwin.mk's compiler flags when building builtin libraries

[Chris Bieneman via llvm-commits]

Author: cbieneman
Date: Thu Sep 24 13:26:34 2015
New Revision: 248523

URL: http://llvm.org/viewvc/llvm-project?rev=248523&view=rev
Log:
[CMake] [darwin] [builtins] Match clang_darwin.mk's compiler flags when building builtin libraries

On Darwin we have a very restrictive set of flags used when building the builtins. This change makes CMake match autoconf.

Modified:
    compiler-rt/trunk/cmake/Modules/CompilerRTDarwinUtils.cmake

Modified: compiler-rt/trunk/cmake/Modules/CompilerRTDarwinUtils.cmake
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/cmake/Modules/CompilerRTDarwinUtils.cmake?rev=248523&r1=248522&r2=248523&view=diff
==============================================================================
--- compiler-rt/trunk/cmake/Modules/CompilerRTDarwinUtils.cmake (original)
+++ compiler-rt/trunk/cmake/Modules/CompilerRTDarwinUtils.cmake Thu Sep 24 13:26:34 2015
@@ -187,6 +187,18 @@ endfunction()
 # Generates builtin libraries for all operating systems specified in ARGN. Each
 # OS library is constructed by lipo-ing together single-architecture libraries.
 macro(darwin_add_builtin_libraries)
+  if(CMAKE_CONFIGURATION_TYPES)
+    foreach(type ${CMAKE_CONFIGURATION_TYPES})
+      set(CMAKE_C_FLAGS_${type} -O3)
+      set(CMAKE_CXX_FLAGS_${type} -O3)
+    endforeach()
+  else()
+    set(CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE} -O3)
+  endif()
+
+  set(CMAKE_C_FLAGS "-fPIC -fvisibility=hidden -DVISIBILITY_HIDDEN -Wall -fomit-frame-pointer")
+  set(CMAKE_CXX_FLAGS ${CMAKE_C_FLAGS})
+  set(CMAKE_ASM_FLAGS ${CMAKE_C_FLAGS})
   foreach (os ${ARGN})
     list_union(DARWIN_BUILTIN_ARCHS DARWIN_${os}_ARCHS BUILTIN_SUPPORTED_ARCH)
     foreach (arch ${DARWIN_BUILTIN_ARCHS})
@@ -195,7 +207,7 @@ macro(darwin_add_builtin_libraries)
                               OS ${os}
                               ARCH ${arch}
                               SOURCES ${${arch}_SOURCES}
-                              CFLAGS "-std=c99" -arch ${arch} -mkernel -Wno-pedantic
+                              CFLAGS -arch ${arch} -mkernel
                               DEFS KERNEL_USE
                               PARENT_TARGET builtins)
 
@@ -220,7 +232,7 @@ macro(darwin_add_builtin_libraries)
                               OS ${os}
                               ARCH ${arch}
                               SOURCES ${${arch}_SOURCES}
-                              CFLAGS "-std=c99" -arch ${arch}
+                              CFLAGS -arch ${arch}
                               PARENT_TARGET builtins)
     endforeach()