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On Saturday 29 December 2012 16:48:13 Rich Felker wrote: > On Sat, Dec 29, 2012 at 01:24:56PM -0800, Andrew Pinski wrote: > > On Sat, Dec 29, 2012 at 12:58 PM, Mike Frysinger <vapier@gentoo.org> wrote: > > > On Saturday 29 December 2012 15:44:49 Andreas Schwab wrote: > > >> Mike Frysinger writes: > > >> > On Saturday 29 December 2012 01:26:56 Andrew Pinski wrote: > > >> >> On Fri, Dec 28, 2012 at 10:01 PM, Mike Frysinger wrote: > > >> >> > there are also attributes unconditionally used such as: > > >> >> > stdlib.h: malloc (new to gcc-3.0) > > >> >> > mathcalls.h: nonnull (new to gcc-3.3) > > >> >> > stdlib.h: alloc_size (new to gcc-4.3) > > >> >> > > >> >> unknown attributes are normally ignored even with -W -Wall (though > > >> >> not with -Wattributes) so those should be ok. > > >> > > > >> > yes, but it makes -Werror and such angry, > > >> > > >> Only with -Wsystem-headers. > > > > > > if your gcc supports that, yes :). that flag is new to gcc-3.0. > > > > > > it's probably not as much of an issue for glibc headers, but that flag > > > doesn't work in cases with -I paths that are subdirs of /usr/include. > > > for example, with glib-2.0, you get: > > > $ pkg-config glib-2.0 --cflags > > > -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include > > > > > > so when you do "#include <glib/garray.h>", that isn't considered a > > > system header because it was found via the -I :(. > > > > pkg-config should be using -isystem instead. > > Why? glib headers are not system headers. They're third-party library > headers. Why was glib even brought into this discussion about glibc > header behavior? As far as I can tell it's irrelevant. did you even read my e-mail ? if you did, the answer would be fairly obvious. -mike
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