On 07/10/2014 06:16 PM, Assaf Gordon wrote: > On 07/10/2014 12:20 PM, Pádraig Brady wrote: >> On 07/10/2014 01:39 AM, Assaf Gordon wrote: >>> >>> make all-recursive >>> make[1]: Entering directory >>> `/home/gordon/projects/gnulib/testdir30793/build' >>> Making all in gllib >>> make[2]: Entering directory >>> `/home/gordon/projects/gnulib/testdir30793/build/gllib' >>> make all-recursive >>> make[3]: Entering directory >>> `/home/gordon/projects/gnulib/testdir30793/build/gllib' >>> make[4]: Entering directory >>> `/home/gordon/projects/gnulib/testdir30793/build/gllib' >>> depbase=`echo localename.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\ >>> gcc -Wall -DHAVE_CONFIG_H -I. -I../../gllib -I.. >>> -DGNULIB_STRICT_CHECKING=1 -O1 -g -Werror -Wsuggest-attribute=const >>> -Wsuggest-attribute=pure -MT localename.o -MD -MP -MF $depbase.Tpo -c -o >>> localename.o ../../gllib/localename.c &&\ >>> mv -f $depbase.Tpo $depbase.Po >>> ../../gllib/localename.c: In function ‘string_hash’: >>> ../../gllib/localename.c:2519:1: error: function might be candidate for >>> attribute ‘pure’ if it is known to return normally >>> [-Werror=suggest-attribute=pure] >>> string_hash (const void *x) >>> ^ >>> cc1: all warnings being treated as errors >> >> Rather than worry about warnings like test for gnulib tests, >> coreutils configure.ac ignores those using: >> >> # For gnulib-tests, the set is slightly smaller still. >> nw= >> nw="$nw -Wstrict-prototypes" >> # It's not worth being this picky about test programs. >> nw="$nw -Wsuggest-attribute=const" >> nw="$nw -Wsuggest-attribute=pure" >> gl_MANYWARN_COMPLEMENT([GNULIB_TEST_WARN_CFLAGS], >> [$GNULIB_WARN_CFLAGS], [$nw]) >> AC_SUBST([GNULIB_TEST_WARN_CFLAGS]) >> >> I wonder why it's reproducible by default with coreutils for you? >> Note if modifying CFLAGS, it's usually better to specify AM_CFLAGS >> rather than impacting on generated CFLAGS. > > If I understand correctly, the coreutil section you've listed disables these > warnings for Gnulib's *tests*. > But the warning is from a gnulib module (not its tests). > Under 'coreutils' gnulib modules are still compiled with > "-Wsuggest-attribute=const -Wsuggest-attribute=pure". > > This hasn't been triggered before because coreutils hans't used "localename" > module (but I needed it for the seq+letters patch). > > Thanks, > - gordon
Oh I see now. That was more apparent from your initial patch: http://lists.gnu.org/archive/html/bug-gnulib/2014-07/msg00038.html (which I didn't get due to recent GNU mailing list issues). I'll apply that. thanks, Pádraig.