diff options
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index 629f991..ec40170 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -1039,6 +1039,9 @@ static void InitializePredefinedMacros(const TargetInfo &TI, Builder.defineMacro("__USER_LABEL_PREFIX__", TI.getUserLabelPrefix()); + if (!LangOpts.MathErrno) + Builder.defineMacro("__NO_MATH_ERRNO__"); + if (LangOpts.FastMath || LangOpts.FiniteMathOnly) Builder.defineMacro("__FINITE_MATH_ONLY__", "1"); else |