[Bug bootstrap/52569] New: [4.8 Regression] bootstrap fails on x86_64-apple-darwin10 at revision 185261

["dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52569

             Bug #: 52569
           Summary: [4.8 Regression] bootstrap fails on
                    x86_64-apple-darwin10 at revision 185261
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominiq@lps.ens.fr
                CC: iains@gcc.gnu.org, rguenther@suse.de
              Host: x86_64-apple-darwin10
            Target: x86_64-apple-darwin10
             Build: x86_64-apple-darwin10


Bootstrapping revision 185261 on x86_64-apple-darwin10 fails with:

/opt/gcc/build_w/./gcc/xgcc -B/opt/gcc/build_w/./gcc/
-B/opt/gcc/gcc4.8w/x86_64-apple-darwin10.8.0/bin/
-B/opt/gcc/gcc4.8w/x86_64-apple-darwin10.8.0/lib/ -isystem
/opt/gcc/gcc4.8w/x86_64-apple-darwin10.8.0/include -isystem
/opt/gcc/gcc4.8w/x86_64-apple-darwin10.8.0/sys-include    -g -O2 -O2  -g -O2
-DIN_GCC   -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include   -pipe -fno-common -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector   -pipe -fno-common -I. -I. -I../.././gcc
-I../../../work/libgcc -I../../../work/libgcc/. -I../../../work/libgcc/../gcc
-I../../../work/libgcc/../include  -DHAVE_CC_TLS -DUSE_EMUTLS -o
unwind-dw2-fde-darwin_s.o -MT unwind-dw2-fde-darwin_s.o -MD -MP -MF
unwind-dw2-fde-darwin_s.dep -DSHARED -fexceptions -c
../../../work/libgcc/config/unwind-dw2-fde-darwin.c
In file included from ../../../work/libgcc/config/unwind-dw2-fde-darwin.c:36:0:
../../../work/libgcc/unwind-dw2-fde.h: In function 'last_fde':
../../../work/libgcc/unwind-dw2-fde.h:173:10: warning: cast discards
'__attribute__((const))' qualifier from pointer target type [-Wcast-qual]
In file included from ../../../work/libgcc/config/unwind-dw2-fde-darwin.c:47:0:
../../../work/libgcc/unwind-dw2-fde.c: In function 'init_object_mutex':
../../../work/libgcc/unwind-dw2-fde.c:57:3: warning: implicit declaration of
function '__GTHREAD_MUTEX_INIT_FUNCTION' [-Wimplicit-function-declaration]
../../../work/libgcc/unwind-dw2-fde.c: In function 'init_object_mutex_once':
../../../work/libgcc/unwind-dw2-fde.c:63:3: error: unknown type name
'__gthread_once_t'
../../../work/libgcc/unwind-dw2-fde.c:63:34: error: '__GTHREAD_ONCE_INIT'
undeclared (first use in this function)
../../../work/libgcc/unwind-dw2-fde.c:63:34: note: each undeclared identifier
is reported only once for each function it appears in
../../../work/libgcc/unwind-dw2-fde.c:64:3: warning: implicit declaration of
function '__gthread_once' [-Wimplicit-function-declaration]
../../../work/libgcc/config/unwind-dw2-fde-darwin.c: At top level:
../../../work/libgcc/config/unwind-dw2-fde-darwin.c:279:1: warning: no previous
prototype for '_darwin10_Unwind_FindEnclosingFunction' [-Wmissing-prototypes]

This is likely due to revision 185231

Author:    rguenth
Date:    Mon Mar 12 14:23:27 2012 UTC (5 hours, 21 minutes ago)
Changed paths:    6
Log Message:    
2012-03-12  Richard Guenther  <rguenther@suse.de>

    * gthr.h (__GTHREAD_MUTEX_INIT_FUNCTION): Adjust specification.
    * gthr-posix.h (__GTHREAD_MUTEX_INIT_FUNCTION): Define.
    (__gthread_mutex_init_function): New function.
    * gthr-single.h (__GTHREAD_MUTEX_INIT_FUNCTION): Define.

    PR gcov/49484
    * libgcov.c: Include gthr.h.
    (__gcov_flush_mx): New global variable.
    (init_mx, init_mx_once): New functions.
    (__gcov_flush): Protect self with a mutex.
    (__gcov_fork): Re-initialize mutex after forking.
    * unwind-dw2-fde.c: Change condition under which to use
    __GTHREAD_MUTEX_INIT_FUNCTION.