Re: [PATCH 1/2] Add powerpc little-endian (ppc64le) flags

[Paulo Flabiano Smorigo]

On 2015-06-30 11:29, Andrei Borzenkov wrote:
> On Tue, Jun 30, 2015 at 5:03 PM, Vladimir 'phcoder' Serbinenko
> <address@hidden> wrote:
> > Which compilers support these flags? I'm concerned of breaking old compilers
>
> -static and -mbig-endian are listed in gcc 2.95.3 documentation for PPC.

I asked some toolchain folks and this flag is really old. IIUC even 
before GCC 2.95, which was released at March 16, 2001.

> > Le 30 juin 2015 14:57, "Paulo Flabiano Smorigo"
> > <address@hidden> a écrit :
> > > libgcc dependency was removed *just* for this target because
> > > the distros that use ppc64el doesn't have 32-bit support on it.
> > >
> > > * configure.ac: Add targets for powerpc64el and skip libgcc.
> > > * Makefile.am: Likewise.
> > > ---
> > >   configure.ac | 8 ++++++++
> > >   1 file changed, 8 insertions(+)
> > >
> > > diff --git a/configure.ac b/configure.ac
> > > index fd8a62e..0a79fad 100644
> > > --- a/configure.ac
> > > +++ b/configure.ac
> > > @@ -116,6 +116,7 @@ if test "x$with_platform" = x; then
> > >       x86_64-*) platform=pc ;;
> > >       powerpc-*) platform=ieee1275 ;;
> > >       powerpc64-*) platform=ieee1275 ;;
> > > +    powerpc64le-*) platform=ieee1275 ;;
> > >       sparc64-*) platform=ieee1275 ;;
> > >       mipsel-*) platform=loongson ;;
> > >       mips-*) platform=arc ;;
> > > @@ -138,6 +139,7 @@ case "$target_cpu"-"$platform" in
> > >     x86_64-none) ;;
> > >     x86_64-*) target_cpu=i386 ;;
> > >     powerpc64-ieee1275) target_cpu=powerpc ;;
> > > +  powerpc64le-ieee1275) target_cpu=powerpc ;;
> > >   esac
> > >
> > >   # Check if the platform is supported, make final adjustments.
> > > @@ -601,6 +603,12 @@ if test "x$target_cpu" = xi386 && test "x$platform"
> > > != xemu; then
> > >     TARGET_CFLAGS="$TARGET_CFLAGS -march=i386"
> > >   fi
> > >
> > > +if test x$target_cpu = xpowerpc; then
> > > +  TARGET_CFLAGS="$TARGET_CFLAGS -mbig-endian"
> > > +  TARGET_CCASFLAGS="$TARGET_CCASFLAGS -mbig-endian"
> > > +  TARGET_LDFLAGS="$TARGET_LDFLAGS -static -mbig-endian"
> > > +fi
> > > +
> > >   if test "x$target_m32" = x1; then
> > >     # Force 32-bit mode.
> > >     TARGET_CFLAGS="$TARGET_CFLAGS -m32"
> > > --
> > > 2.1.0
> > >
> > >
> > > _______________________________________________
> > > Grub-devel mailing list
> > > address@hidden
> > > https://lists.gnu.org/mailman/listinfo/grub-devel
> >
> >
> > _______________________________________________
> > Grub-devel mailing list
> > address@hidden
> > https://lists.gnu.org/mailman/listinfo/grub-devel


--
Paulo Flabiano Smorigo
IBM Linux Technology Center