diff options
Diffstat (limited to 'clang/tools/clang-cc/clang-cc.cpp')
| -rw-r--r-- | clang/tools/clang-cc/clang-cc.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/tools/clang-cc/clang-cc.cpp b/clang/tools/clang-cc/clang-cc.cpp index 5840f5f9900..71e54698000 100644 --- a/clang/tools/clang-cc/clang-cc.cpp +++ b/clang/tools/clang-cc/clang-cc.cpp @@ -932,6 +932,9 @@ static bool InitializeSourceManager(Preprocessor &PP, // -A... - Play with #assertions // -undef - Undefine all predefined macros +static llvm::cl::opt<bool> +undef_macros("undef", llvm::cl::value_desc("macro"), llvm::cl::desc("undef all system defines")); + static llvm::cl::list<std::string> D_macros("D", llvm::cl::value_desc("macro"), llvm::cl::Prefix, llvm::cl::desc("Predefine the specified macro")); @@ -1243,7 +1246,7 @@ public: PreprocessorInitOptions InitOpts; InitializePreprocessorInitOptions(InitOpts); - if (InitializePreprocessor(*PP, InitOpts)) + if (InitializePreprocessor(*PP, InitOpts, undef_macros)) return 0; return PP.take(); |
