diff options
Diffstat (limited to 'gcc/cppbuiltin.c')
| -rw-r--r-- | gcc/cppbuiltin.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/cppbuiltin.c b/gcc/cppbuiltin.c index 3fc2f8adb834..474f72407274 100644 --- a/gcc/cppbuiltin.c +++ b/gcc/cppbuiltin.c @@ -102,6 +102,8 @@ define_builtin_macros_for_compilation_flags (cpp_reader *pfile) cpp_define (pfile, "__FAST_MATH__"); if (flag_signaling_nans) cpp_define (pfile, "__SUPPORT_SNAN__"); + if (!flag_errno_math) + cpp_define (pfile, "__NO_MATH_ERRNO__"); cpp_define_formatted (pfile, "__FINITE_MATH_ONLY__=%d", flag_finite_math_only); |