string(REPLACE -fno-exceptions "" LLVM_CFLAGS ${LLVM_CFLAGS})
string(REPLACE -fno-rtti "" LLVM_CFLAGS ${LLVM_CFLAGS})
string(REPLACE -DNDEBUG "" LLVM_CFLAGS ${LLVM_CFLAGS})
+string(REPLACE -I "-isystem" LLVM_CFLAGS ${LLVM_CFLAGS})
separate_arguments(LLVM_CFLAGS)
add_definitions(${LLVM_CFLAGS})
-add_definitions(-std=c++11 -Wall)
+add_definitions(-std=c++11 -Wall -Wextra)
add_definitions(-DQT_NO_KEYWORDS)
separate_arguments(LLVM_LDFLAGS)