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Re: [bug-diffutils] bug#15463: FTBFS c-stack under gcc 4.8 with --enable
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From: |
Paul Eggert |
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Subject: |
Re: [bug-diffutils] bug#15463: FTBFS c-stack under gcc 4.8 with --enable-gcc-warnings |
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Date: |
Thu, 26 Sep 2013 12:21:44 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130805 Thunderbird/17.0.8 |
On 09/25/13 11:01, Eric Blake wrote:
> I don't know if this is a case of diffutils being too aggressive about
> the warnings it uses on gnulib files
Yes, that sounds good enough. I pushed this into diffutils:
>From 1d69c1591812101e2dffa64c45e2f1c3c901fadc Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Thu, 26 Sep 2013 12:20:00 -0700
Subject: [PATCH] build: omit -Wsuggest-attribute=pure for lib
* configure.ac (WARN_CFLAGS): Omit -Wsuggest-attribute=pure
when compiling the lib subdirectory. Reported for Fedora 19
by Eric Blake in <http://bugs.gnu.org/15463>.
---
configure.ac | 1 +
1 file changed, 1 insertion(+)
diff --git a/configure.ac b/configure.ac
index 90bebc9..f7efcb1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -123,6 +123,7 @@ if test "$gl_gcc_warnings" = yes; then
nw="$nw -Wunused-macros"
nw="$nw -Wmissing-prototypes"
nw="$nw -Wold-style-definition"
+ nw="$nw -Wsuggest-attribute=pure"
gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
AC_SUBST([GNULIB_WARN_CFLAGS])
fi
--
1.8.3.1