GNU bug report logs - #19357
[PATCH] grep: fails to build grep on a machine which has no PCRE with --enable-gcc-warnings

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From: Jim Meyering <jim <at> meyering.net>
To: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Cc: 19357 <at> debbugs.gnu.org
Subject: bug#19357: [PATCH] grep: fails to build grep on a machine which has no PCRE with --enable-gcc-warnings
Date: Fri, 12 Dec 2014 08:54:22 -0800

[Message part 1 (text/plain, inline)]

On Fri, Dec 12, 2014 at 7:53 AM, Norihiro Tanaka <noritnk <at> kcn.ne.jp> wrote:
> If a machine has no PCRE, grep fails to build grep on it du to
> -Werror=unused-variable with --enable-gcc-warnings.  I found it on
> Fedora 21 (GCC 4.9.2).
>
> $ ./configure --enable-gcc-warnings
>
> $ make
...
>   CC       pcresearch.o
> pcresearch.c:43:12: error: 'empty_match' defined but not used [-Werror=unused-variable]
>  static int empty_match[2];

Thank you. I've adjusted your patch (removed NEWS entry, modified commit message
to be more in line with our conventions), and will push shortly:

[0001-build-avoid-build-failure-with-enable-gcc-warnings-a.patch (application/octet-stream, attachment)]

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