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Re: [build] Use -z ignore instead of --as-needed on Solaris
- From: Paolo Bonzini <bonzini at gnu dot org>
- To: Rainer Orth <ro at CeBiTec dot Uni-Bielefeld dot DE>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 15 Apr 2013 11:53:51 +0200
- Subject: Re: [build] Use -z ignore instead of --as-needed on Solaris
- References: <yddip3xfc3d dot fsf at lokon dot CeBiTec dot Uni-Bielefeld dot DE>
Il 08/04/2013 14:20, Rainer Orth ha scritto:
> While the Solaris linker doesn't support the --as-needed/--no-as-needed
> options (yet), it long has provided the equivalent -z ignore/-z record
> options. This patch makes use of them, avoiding unnecessary
> dependencies on libgcc_s.so.1.
>
> Bootstrapped without regressions on i386-pc-solaris2.11 (and checking
> that many dependencies on libgcc_s.so.1 in runtime libraries are gone
> that were flagged as unused by ldd -u) and x86_64-unknown-linux-gnu
> (gcc/specs unchanged, make check still running).
>
> Ok for mainline if it passes?
Ok, the gcc.c parts are trivial enough.
Paolo
> Thanks.
> Rainer
>
>
> 2013-04-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
>
> * configure.ac (gcc_cv_ld_as_needed): Set
> gcc_cv_ld_as_needed_option, gcc_cv_no_as_needed_option.
> Use -z ignore, -z record on *-*-solaris2*.
> (HAVE_LD_AS_NEEDED): Update comment.
> (LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION): Define.
> * configure: Regenerate.
> * config.in: Regenerate.
> * gcc.c (init_gcc_specs) [USE_LD_AS_NEEDED]: Use
> LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION.
> * config/sol2.h [HAVE_LD_AS_NEEDED] (USE_LD_AS_NEEDED): Define.
> * doc/tm.texi.in (USE_LD_AS_NEEDED): Allow for --as-needed
> equivalents. Fix markup.
> * doc/tm.texi: Regenerate.
>
>
>
>