diff options
| -rwxr-xr-x | configure | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -354,6 +354,14 @@ tryflag CFLAGS_C99FSE -fexcess-precision=standard \ tryflag CFLAGS_C99FSE -frounding-math # +# Semantically we want to insist that our sources follow the +# C rules for type-based aliasing, but most if not all real-world +# compilers are known or suspected to have critical bugs in their +# type-based aliasing analysis. See for example GCC bug 107107. +# +tryflag CFLAGS_C99FSE -fno-strict-aliasing + +# # We may use the may_alias attribute if __GNUC__ is defined, so # if the compiler defines __GNUC__ but does not provide it, # it must be defined away as part of the CFLAGS. |