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Re: the struggle to create a 64-bit gcc on Solaris 10
- From: Dennis Clarke <dclarke at blastwave dot org>
- To: Eric Botcazou <ebotcazou at adacore dot com>
- Cc: Ryan Johnson <ryan dot johnson at cs dot utoronto dot ca>, gcc at gcc dot gnu dot org
- Date: Sun, 11 Nov 2012 13:25:22 -0500
- Subject: Re: the struggle to create a 64-bit gcc on Solaris 10
- References: <509E8F1A.2010006@cs.utoronto.ca> <2026194.HnnzVS5z0k@polaris>
> > The last (very annoying) issue is that when gcc bootstraps itself, the
> > freshly-built compiler doesn't generate 64-bit binaries by default.
> > BOOT_CFLAGS can work around that: http://gcc.gnu.org/install/build.html.
>
> That isn't true at all.
>
> > CC='cc -m64' CXX='CC -m64' ../gmp-5.0.1-src/configure
> > --prefix=$HOME/apps/gcc-4.7.2 --build=sparc64-sun-solaris2.10
> > --disable-shared
> > CC='cc -m64' CXX='CC -m64' ../mpfr-3.1.1-src/configure
> > --prefix=$HOME/apps/gcc-4.7.2 --build=sparc64-sun-solaris2.10
> > --disable-shared --with-gmp=$HOME/apps/gcc-4.7.2
> > CC='cc -m64' CXX='CC -m64' ../mpc-0.8.2-src/configure
> > --prefix=$HOME/apps/gcc-4.7.2 --build=sparc64-sun-solaris2.10
> > --disable-shared --with-{gmp,mpfr}=$HOME/apps/gcc-4.7.2
> > CC='cc -m64' CXX='CC -m64' ../gcc-4.7.2-src/configure
> > --prefix=$HOME/apps/gcc-4.7.2 --build=sparc64-sun-solaris2.10
> > --disable-multilib --with-{gmp,mpfr,mpc}=$HOME/apps/gcc-4.7.2
> > --without-gnu-{as,ld}
> > make {CFLAGS_FOR_TARGET,BOOT_CFLAGS}='-m64 -O2'
>
> No, don't mess with CFLAGS_FOR_TARGET or BOOT_CFLAGS, just type 'make'.
I would have to edit that as I use gcc to bootstrap gcc. Hoever, I am very willing to give your method a try. However, my prediction is that Oracle Studio 12.3 will have a fit .. early.
Dennis