Tom Lane wrote:
>In config/c-compiler.m4 I read
>
>if test "$ac_env_CFLAGS_set" != set; then
> CFLAGS="$CFLAGS $pgac_cv_prog_cc_no_strict_aliasing"
>fi
>
>This means that a configure operation as innocuous-looking as
>
> CFLAGS="-O3" ./configure
>
>will break the build on gcc >= 3.3 because it will fail to supply
>-fno-strict-aliasing. I claim this is a lousy idea. We should drop
>the if-test and always add -fno-strict-aliasing if the compiler
>will take it. People who *really* know what they are doing can
>experiment with removing the switch from Makefile.global after
>configure, but I don't think it should be quite this easy to lose it.
>
>
>
I agree.
cheers
andrew