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 -fno-exceptions "" LLVM_CFLAGS ${LLVM_CFLAGS})
string(REPLACE -fno-rtti "" LLVM_CFLAGS ${LLVM_CFLAGS})
string(REPLACE -DNDEBUG "" LLVM_CFLAGS ${LLVM_CFLAGS})