Results of a test mass rebuild of rawhide/x86_64 with gcc-5.0.0-0.5.fc22

[Adam Jackson]

On Tue, 2015-02-10 at 07:34 +0100, Ralf Corsepius wrote:
> On 02/10/2015 06:22 AM, Marek Polacek wrote:
> > On Mon, Feb 09, 2015 at 02:43:25PM -0700, Jerry James wrote:
> >> On Sun, Feb 8, 2015 at 10:17 AM, Marek Polacek <polacek at redhat.com> wrote:
> >>> bigloo-4.1a-6.2.fc22.src.rpm
> >>> memstomp-0.1.4-15.fc22.src.rpm
> >>>          build failure due to gnu11 change: -Wimplicit-int is turned on by default now,
> >>>          which is the reason these packages didn't compile properly.  See the porting_to
> >>>          document for more details.
> >>
> >> The bigloo failure had nothing to do with -Wimplicit-int.  One file
> >> that should have been compiled with -fPIC wasn't.  I don't know why
> >> this didn't cause problems before.  Fixed in Rawhide.
> >
> > IIRC bigloo contains various "autoconf" shell scripts with K&R code in
> > them (that fail with -Werror now)
> 
> Remove these -Werrors and tell upstream to not use -Werror.
> -Werror turns harmless warnings into errors.
> 
> As autoconf scripts are based on compilers issuing errors only on real 
> errors and not on otherwise harmless warnings,  -Werror is not useful 
> with autoconf scripts and is _guaranteed_ to break autoconf scripts, 
> because the items GCC warns about are changing with each GCC-release and 
> also depend on other factors (CFLAGS) in effect.

If only there was some way to use different CFLAGS for configure than
for the project.

- ajax