[Bug build/16550] New: bfd/cache.c doesn't compile with gcc -m64 on Solaris

["ro at CeBiTec dot Uni-Bielefeld.DE" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=16550

            Bug ID: 16550
           Summary: bfd/cache.c doesn't compile with gcc -m64 on Solaris
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build
          Assignee: ro at CeBiTec dot Uni-Bielefeld.DE
          Reporter: ro at CeBiTec dot Uni-Bielefeld.DE
              Host: *-*-solaris2.*
            Target: *-*-solaris2.*
             Build: *-*-solaris2.*

On current mainline, gdb 7.7 and binutils 2.24 branches, bfd/cache.c doesn't
compile with gcc -m64 on Solaris 8 to 11:

cc1: warnings being treated as errors
/vol/src/gnu/gdb/gdb-7.7/bfd/cache.c: In function 'bfd_cache_max_open':
/vol/src/gnu/gdb/gdb-7.7/bfd/cache.c:85: error: comparison between signed and
unsigned integer expressions

This is a regression from previous releases.

The error is about

      && rlim.rlim_cur != RLIM_INFINITY)

where <sys/resource.h> has

typedef unsigned long   rlim_t;
#define RLIM_INFINITY   (-3l)

  Rainer

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