Reapply working parts of CMake cleanup.
This patch adds the working parts of r243503. The difference with this patch
is that it doesn't include the HandleLLVMOptions.cmake file.
llvm-svn: 243698
diff --git a/libcxx/cmake/config-ix.cmake b/libcxx/cmake/config-ix.cmake
index 428d737..ace7aca 100644
--- a/libcxx/cmake/config-ix.cmake
+++ b/libcxx/cmake/config-ix.cmake
@@ -2,23 +2,7 @@
include(CheckCXXCompilerFlag)
# Check compiler flags
-check_cxx_compiler_flag(-std=c++11 LIBCXX_HAS_STDCXX11_FLAG)
-check_cxx_compiler_flag(-std=c++1y LIBCXX_HAS_STDCXX1Y_FLAG)
-check_cxx_compiler_flag(-fPIC LIBCXX_HAS_FPIC_FLAG)
-check_cxx_compiler_flag(-fno-omit-frame-pointer LIBCXX_HAS_FNO_OMIT_FRAME_POINTER_FLAG)
-check_cxx_compiler_flag(-nodefaultlibs LIBCXX_HAS_NODEFAULTLIBS_FLAG)
-check_cxx_compiler_flag(-nostdinc++ LIBCXX_HAS_NOSTDINCXX_FLAG)
-check_cxx_compiler_flag(-Wall LIBCXX_HAS_WALL_FLAG)
-check_cxx_compiler_flag(-W LIBCXX_HAS_W_FLAG)
-check_cxx_compiler_flag(-Wno-unused-parameter LIBCXX_HAS_WNO_UNUSED_PARAMETER_FLAG)
-check_cxx_compiler_flag(-Wwrite-strings LIBCXX_HAS_WWRITE_STRINGS_FLAG)
-check_cxx_compiler_flag(-Wno-long-long LIBCXX_HAS_WNO_LONG_LONG_FLAG)
-check_cxx_compiler_flag(-pedantic LIBCXX_HAS_PEDANTIC_FLAG)
-check_cxx_compiler_flag(-Werror LIBCXX_HAS_WERROR_FLAG)
-check_cxx_compiler_flag(-Wno-error LIBCXX_HAS_WNO_ERROR_FLAG)
-check_cxx_compiler_flag(-fno-exceptions LIBCXX_HAS_FNO_EXCEPTIONS_FLAG)
-check_cxx_compiler_flag(-fno-rtti LIBCXX_HAS_FNO_RTTI_FLAG)
-check_cxx_compiler_flag(-gline-tables-only LIBCXX_HAS_GLINE_TABLES_ONLY_FLAG)
+
check_cxx_compiler_flag(/WX LIBCXX_HAS_WX_FLAG)
check_cxx_compiler_flag(/WX- LIBCXX_HAS_NO_WX_FLAG)
check_cxx_compiler_flag(/EHsc LIBCXX_HAS_EHSC_FLAG)
@@ -26,6 +10,7 @@
check_cxx_compiler_flag(/EHa- LIBCXX_HAS_NO_EHA_FLAG)
check_cxx_compiler_flag(/GR- LIBCXX_HAS_NO_GR_FLAG)
+
# Check libraries
check_library_exists(pthread pthread_create "" LIBCXX_HAS_PTHREAD_LIB)
check_library_exists(c printf "" LIBCXX_HAS_C_LIB)