Re: GCC 5.0 failure

Hi Jerry,

> What will soon be released as gcc 5.0 has been imported into Fedora
> and is now being used to build packages for Fedora Rawhide.  Bigloo
> 4.1a-2 fails to build with gcc 5.0.  The reason appears to be that
> -Wimplicit-int is now on by default, and the check for -fpic runs with
> -Werror in CFLAGS.  This causes that check to fail, so bigloo is built
> without -fpic, which leads to a lilnker failure when the shared
> objects are to be linked.
> 
> Can the code be updated to explicitly supply a type in all cases?
> Failing that, please don't use -Werror.  Here is a patch for the -fpic
> problem:
> 
> --- autoconf/ccpic.orig 2014-02-21 09:15:23.000000000 -0700
> +++ autoconf/ccpic 2015-02-10 09:01:46.710526058 -0700
> @@@ -64,6 +64,7 @@@
> 
>  #*    Test                                                             */
>  #*---------------------------------------------------------------------*/
>  cat > $file.c <<EOF
> +void
>  direction( int new_addr )
>  {
>     static int *old_addr;
> @@@ -81,6 +82,7 @@@
> 
>     }
>  }
> 
> +int
>  main( int argc, char *argv[] )
>  {
>     direction( 1 );
> 
> The same problem will probably happen with autoconf/rdynamic, which
> also uses -Werror.  Regards,
You are just right. Thanks for reporting this. I have applied your patch.

-- 
Manuel