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Re: [PATCH, lto-plugin]: Avoid "warning: implicit declaration of function âasprintfâ when building lto-plugin.o"
- From: Richard Biener <richard dot guenther at gmail dot com>
- To: Uros Bizjak <ubizjak at gmail dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 2 Jul 2015 10:23:56 +0200
- Subject: Re: [PATCH, lto-plugin]: Avoid "warning: implicit declaration of function âasprintfâ when building lto-plugin.o"
- Authentication-results: sourceware.org; auth=none
- References: <CAFULd4aerTrvfrSX64TzXuTFgHsBGVpersdTuDKaBC51PCE8OQ at mail dot gmail dot com>
On Wed, Jul 1, 2015 at 2:25 PM, Uros Bizjak <ubizjak@gmail.com> wrote:
> Hello!
>
> We have to enable OS extensions (GNU_SOURCE) to use asprintf.
>
> 2015-07-01 Uros Bizjak <ubizjak@gmail.com>
>
> * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
> * configure: Regenerate.
> * config.h.in: Ditto.
>
> Bootstrapped on x86_64-linux-gnu.
>
> OK for mainline?
Ok.
Richard.
> Uros.
>
> Index: configure.ac
> ===================================================================
> --- configure.ac (revision 225240)
> +++ configure.ac (working copy)
> @@ -9,6 +9,7 @@
> [specify the directory where to find libiberty [../libiberty]])],
> [], with_libiberty=../libiberty)
> AC_SUBST(with_libiberty)
> +AC_USE_SYSTEM_EXTENSIONS
> AC_PROG_CC
> AC_SYS_LARGEFILE
> ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_lto_plugin_warn_cflags])