Handle gcc-compatible compilers (such as clang) the same way we handle

gcc.

Fixes PR9886.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131182 91177308-0d34-0410-b5e6-96231b3b80d8

CMakeLists.txt

@@ -103,7 +103,7 @@ configure_file(
   ${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)
 
 # Add appropriate flags for GCC
-if (CMAKE_COMPILER_IS_GNUCXX)
+if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual -Wcast-qual -fno-strict-aliasing -pedantic -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings")
 endif ()
 

unittests/CMakeLists.txt

@@ -36,7 +36,7 @@ set_target_properties(ClangUnitTests PROPERTIES FOLDER "Clang tests")
 
 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
 add_definitions(-DGTEST_HAS_RTTI=0)
-if( CMAKE_COMPILER_IS_GNUCXX )
+if( LLVM_COMPILER_IS_GCC_COMPATIBLE )
   llvm_replace_compiler_option(CMAKE_CXX_FLAGS "-frtti" "-fno-rtti")
 elseif( MSVC )
   llvm_replace_compiler_option(CMAKE_CXX_FLAGS "/GR" "/GR-")