On Sun, 5 Jun 2011, H.J. Lu wrote:
> * config.gcc: Support --enable-x32/--enable-ia32 for x86 Linux
> targets.
>
> * configure.ac: Support --enable-x32/--enable-ia32.
> * configure: Regenerated.
New configure options need documenting in install.texi.
> #undef ASM_SPEC
> -#define ASM_SPEC "%{" SPEC_32 ":--32} %{" SPEC_64 ":--64} \
> +#define ASM_SPEC "%{" SPEC_32 ":%{!mx32:--32}} %{" \
> + SPEC_64 ":%{!mx32:--64}} %{mx32:--x32} \
> %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}"
This looks wrong. You should define SPEC_32, SPEC_64 and SPEC_X32 to be
the three mutually exclusive cases, then use those three here and in other
specs without any nesting.
> Generate code for a 32-bit or 64-bit environment.
> -The 32-bit environment sets int, long and pointer to 32 bits and
> +The -m32 option sets int, long and pointer to 32 bits and
@option{-m32}. Likewise later in this paragraph for various option names.
--
Joseph S. Myers
jos...@codesourcery.com
