Re: xalloc: missing prototype

[Akim Demaille]

Le 9 déc. 2012 à 22:32, Paul Eggert <address@hidden> a écrit :

> On 12/09/2012 07:46 AM, Akim Demaille wrote:
>> No, it does not.  Actually, it breaks it completely.
> 
> Ah, I expect it's because I forgot about the second branch in that #if.
> How about this patch instead?

Hi Paul,

Thanks for addressing this.

This triggers many -Wunused-function warnings, some appearing in Bison's
src/, so the build (with --enable-gcc-warnings) fails because of -Werror.

Maybe the non-inline branch should use __attribute__(__used__)?

gmake[2]: Entering directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug/lib'
GEN      alloca.h
GEN      configmake.h
GEN      c++defs.h
GEN      arg-nonnull.h
GEN      warn-on-use.h
GEN      fcntl.h
GEN      getopt.h
GEN      inttypes.h
GEN      math.h
GEN      sched.h
GEN      signal.h
GEN      spawn.h
GEN      stdio.h
GEN      stdlib.h
GEN      string.h
GEN      sys/stat.h
GEN      sys/types.h
GEN      sys/wait.h
GEN      time.h
GEN      unistd.h
GEN      wchar.h
GEN      wctype.h
gmake  all-am
gmake[3]: Entering directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug/lib'
CC       main.o
CC       yyerror.o
AR       liby.a
CC       argmatch.o
CC       binary-io.o
In file included from ../../../lib/binary-io.c:3:0:
../../../lib/binary-io.h:50:1: warning: 'set_binary_mode' defined but not used 
[-Wunused-function]
set_binary_mode (int fd, int mode)
^
CC       bitrotate.o
In file included from ../../../lib/bitrotate.c:3:0:
../../../lib/bitrotate.h:36:1: warning: 'rotl64' defined but not used 
[-Wunused-function]
rotl64 (uint64_t x, int n)
^
../../../lib/bitrotate.h:45:1: warning: 'rotr64' defined but not used 
[-Wunused-function]
rotr64 (uint64_t x, int n)
^
../../../lib/bitrotate.h:55:1: warning: 'rotl32' defined but not used 
[-Wunused-function]
rotl32 (uint32_t x, int n)
^
../../../lib/bitrotate.h:64:1: warning: 'rotr32' defined but not used 
[-Wunused-function]
rotr32 (uint32_t x, int n)
^
../../../lib/bitrotate.h:73:1: warning: 'rotl_sz' defined but not used 
[-Wunused-function]
rotl_sz (size_t x, int n)
^
../../../lib/bitrotate.h:82:1: warning: 'rotr_sz' defined but not used 
[-Wunused-function]
rotr_sz (size_t x, int n)
^
../../../lib/bitrotate.h:93:1: warning: 'rotl16' defined but not used 
[-Wunused-function]
rotl16 (uint16_t x, int n)
^
../../../lib/bitrotate.h:104:1: warning: 'rotr16' defined but not used 
[-Wunused-function]
rotr16 (uint16_t x, int n)
^
../../../lib/bitrotate.h:115:1: warning: 'rotl8' defined but not used 
[-Wunused-function]
rotl8 (uint8_t x, int n)
^
../../../lib/bitrotate.h:126:1: warning: 'rotr8' defined but not used 
[-Wunused-function]
rotr8 (uint8_t x, int n)
^
CC       c-ctype.o
CC       c-strcasecmp.o
CC       c-strncasecmp.o
CC       cloexec.o
CC       close-stream.o
CC       closeout.o
CC       dirname.o
In file included from ../../../lib/dirname.c:25:0:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/dirname.c:25:0:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       basename.o
In file included from ../../../lib/basename.c:24:0:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/basename.c:24:0:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       dirname-lgpl.o
CC       basename-lgpl.o
CC       stripslash.o
CC       exitfail.o
CC       fatal-signal.o
In file included from ../../../lib/fatal-signal.c:30:0:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/fatal-signal.c:30:0:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       fd-hook.o
CC       fd-safer-flag.o
CC       dup-safer-flag.o
CC       fopen-safer.o
CC       hash.o
In file included from ../../../lib/hash.c:29:0:
../../../lib/bitrotate.h:36:1: warning: 'rotl64' defined but not used 
[-Wunused-function]
rotl64 (uint64_t x, int n)
^
../../../lib/bitrotate.h:45:1: warning: 'rotr64' defined but not used 
[-Wunused-function]
rotr64 (uint64_t x, int n)
^
../../../lib/bitrotate.h:55:1: warning: 'rotl32' defined but not used 
[-Wunused-function]
rotl32 (uint32_t x, int n)
^
../../../lib/bitrotate.h:64:1: warning: 'rotr32' defined but not used 
[-Wunused-function]
rotr32 (uint32_t x, int n)
^
../../../lib/bitrotate.h:73:1: warning: 'rotl_sz' defined but not used 
[-Wunused-function]
rotl_sz (size_t x, int n)
^
../../../lib/bitrotate.h:93:1: warning: 'rotl16' defined but not used 
[-Wunused-function]
rotl16 (uint16_t x, int n)
^
../../../lib/bitrotate.h:104:1: warning: 'rotr16' defined but not used 
[-Wunused-function]
rotr16 (uint16_t x, int n)
^
../../../lib/bitrotate.h:115:1: warning: 'rotl8' defined but not used 
[-Wunused-function]
rotl8 (uint8_t x, int n)
^
../../../lib/bitrotate.h:126:1: warning: 'rotr8' defined but not used 
[-Wunused-function]
rotr8 (uint8_t x, int n)
^
CC       localcharset.o
CC       lock.o
CC       math.o
CC       mbchar.o
In file included from ../../../lib/mbchar.c:23:0:
../../../lib/mbchar.h:244:1: warning: 'mb_width_aux' defined but not used 
[-Wunused-function]
mb_width_aux (wint_t wc)
^
In file included from ../../../lib/mbchar.c:23:0:
../../../lib/mbchar.h:265:1: warning: 'mb_copy' defined but not used 
[-Wunused-function]
mb_copy (mbchar_t *new_mbc, const mbchar_t *old_mbc)
^
In file included from ../../../lib/mbchar.c:23:0:
../../../lib/mbchar.h:313:1: warning: 'is_basic' defined but not used 
[-Wunused-function]
is_basic (char c)
^
CC       mbschr.o
In file included from ../../../lib/mbuiter.h:106:0,
              from ../../../lib/mbschr.c:23:
../../../lib/mbchar.h:244:1: warning: 'mb_width_aux' defined but not used 
[-Wunused-function]
mb_width_aux (wint_t wc)
^
In file included from ../../../lib/mbschr.c:23:0:
../../../lib/mbuiter.h:190:1: warning: 'mbuiter_multi_reloc' defined but not 
used [-Wunused-function]
mbuiter_multi_reloc (struct mbuiter_multi *iter, ptrdiff_t ptrdiff)
^
../../../lib/mbuiter.h:196:1: warning: 'mbuiter_multi_copy' defined but not 
used [-Wunused-function]
mbuiter_multi_copy (struct mbuiter_multi *new_iter, const struct mbuiter_multi 
*old_iter)
^
CC       mbsrchr.o
In file included from ../../../lib/mbuiter.h:106:0,
              from ../../../lib/mbsrchr.c:23:
../../../lib/mbchar.h:244:1: warning: 'mb_width_aux' defined but not used 
[-Wunused-function]
mb_width_aux (wint_t wc)
^
In file included from ../../../lib/mbsrchr.c:23:0:
../../../lib/mbuiter.h:190:1: warning: 'mbuiter_multi_reloc' defined but not 
used [-Wunused-function]
mbuiter_multi_reloc (struct mbuiter_multi *iter, ptrdiff_t ptrdiff)
^
../../../lib/mbuiter.h:196:1: warning: 'mbuiter_multi_copy' defined but not 
used [-Wunused-function]
mbuiter_multi_copy (struct mbuiter_multi *new_iter, const struct mbuiter_multi 
*old_iter)
^
CC       mbswidth.o
CC       mbuiter.o
In file included from ../../../lib/mbuiter.h:106:0,
              from ../../../lib/mbuiter.c:3:
../../../lib/mbchar.h:244:1: warning: 'mb_width_aux' defined but not used 
[-Wunused-function]
mb_width_aux (wint_t wc)
^
In file included from ../../../lib/mbuiter.c:3:0:
../../../lib/mbuiter.h:129:1: warning: 'mbuiter_multi_next' defined but not 
used [-Wunused-function]
mbuiter_multi_next (struct mbuiter_multi *iter)
^
In file included from ../../../lib/mbuiter.c:3:0:
../../../lib/mbuiter.h:190:1: warning: 'mbuiter_multi_reloc' defined but not 
used [-Wunused-function]
mbuiter_multi_reloc (struct mbuiter_multi *iter, ptrdiff_t ptrdiff)
^
../../../lib/mbuiter.h:196:1: warning: 'mbuiter_multi_copy' defined but not 
used [-Wunused-function]
mbuiter_multi_copy (struct mbuiter_multi *new_iter, const struct mbuiter_multi 
*old_iter)
^
CC       pipe2.o
In file included from ../../../lib/pipe2.c:25:0:
../../../lib/binary-io.h:50:1: warning: 'set_binary_mode' defined but not used 
[-Wunused-function]
set_binary_mode (int fd, int mode)
^
CC       pipe2-safer.o
CC       printf-frexp.o
CC       printf-frexpl.o
CC       progname.o
CC       quotearg.o
In file included from ../../../lib/quotearg.c:32:0:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/quotearg.c:32:0:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
CC       sig-handler.o
In file included from ../../../lib/sig-handler.c:3:0:
../../../lib/sig-handler.h:35:1: warning: 'get_handler' defined but not used 
[-Wunused-function]
get_handler (struct sigaction const *a)
^
CC       spawn-pipe.o
CC       stdio.o
CC       strnlen1.o
CC       threadlib.o
CC       unistd.o
CC       dup-safer.o
CC       fd-safer.o
CC       pipe-safer.o
CC       width.o
CC       wait-process.o
In file included from ../../../lib/wait-process.c:34:0:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/wait-process.c:34:0:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       wctype-h.o
CC       xmalloc.o
In file included from ../../../lib/xmalloc.c:22:0:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/xmalloc.c:22:0:
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       xalloc-die.o
In file included from ../../../lib/xalloc-die.c:21:0:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/xalloc-die.c:21:0:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       xsize.o
In file included from ../../../lib/xsize.c:3:0:
../../../lib/xsize.h:71:1: warning: 'xsum3' defined but not used 
[-Wunused-function]
xsum3 (size_t size1, size_t size2, size_t size3)
^
../../../lib/xsize.h:81:1: warning: 'xsum4' defined but not used 
[-Wunused-function]
xsum4 (size_t size1, size_t size2, size_t size3, size_t size4)
^
../../../lib/xsize.h:91:1: warning: 'xmax' defined but not used 
[-Wunused-function]
xmax (size_t size1, size_t size2)
^
CC       xstrndup.o
In file included from ../../../lib/xstrndup.c:24:0:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/xstrndup.c:24:0:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       get-errno.o
CC       abitset.o
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/abitset.h:23,
              from ../../../lib/abitset.c:23:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/abitset.h:23,
              from ../../../lib/abitset.c:23:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       bitset.o
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/bitset.c:22:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/bitset.c:22:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       bitset_stats.o
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset_stats.h:23,
              from ../../../lib/bitset_stats.c:29:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset_stats.h:23,
              from ../../../lib/bitset_stats.c:29:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       bitsetv.o
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/bitsetv.h:23,
              from ../../../lib/bitsetv.c:21:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/bitsetv.h:23,
              from ../../../lib/bitsetv.c:21:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       ebitset.o
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/ebitset.h:23,
              from ../../../lib/ebitset.c:22:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/ebitset.h:23,
              from ../../../lib/ebitset.c:22:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       lbitset.o
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/lbitset.h:23,
              from ../../../lib/lbitset.c:23:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/lbitset.h:23,
              from ../../../lib/lbitset.c:23:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       vbitset.o
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/vbitset.h:23,
              from ../../../lib/vbitset.c:22:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/vbitset.h:23,
              from ../../../lib/vbitset.c:22:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       bitsetv-print.o
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/bitsetv.h:23,
              from ../../../lib/bitsetv-print.h:23,
              from ../../../lib/bitsetv-print.c:21:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/libiberty.h:34:0,
              from ../../../lib/bbitset.h:24,
              from ../../../lib/bitset.h:26,
              from ../../../lib/bitsetv.h:23,
              from ../../../lib/bitsetv-print.h:23,
              from ../../../lib/bitsetv-print.c:21:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       timevar.o
In file included from ../../../lib/../src/system.h:63:0,
              from ../../../lib/timevar.c:35:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../lib/../src/system.h:63:0,
              from ../../../lib/timevar.c:35:
../../../lib/xalloc.h:176:1: warning: 'x2nrealloc' defined but not used 
[-Wunused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: warning: 'xcharalloc' defined but not used 
[-Wunused-function]
xcharalloc (size_t n)
^
CC       asnprintf.o
CC       error.o
CC       fpending.o
CC       fprintf.o
CC       fseterr.o
CC       getopt.o
CC       getopt1.o
CC       isnand.o
CC       isnanf.o
CC       isnanl.o
CC       obstack.o
CC       obstack_printf.o
CC       open.o
CC       perror.o
CC       printf.o
CC       printf-args.o
CC       printf-parse.o
In file included from ../../../lib/printf-parse.c:72:0:
../../../lib/xsize.h:71:1: warning: 'xsum3' defined but not used 
[-Wunused-function]
xsum3 (size_t size1, size_t size2, size_t size3)
^
../../../lib/xsize.h:81:1: warning: 'xsum4' defined but not used 
[-Wunused-function]
xsum4 (size_t size1, size_t size2, size_t size3, size_t size4)
^
../../../lib/xsize.h:91:1: warning: 'xmax' defined but not used 
[-Wunused-function]
xmax (size_t size1, size_t size2)
^
CC       rawmemchr.o
CC       snprintf.o
CC       sprintf.o
CC       stat.o
CC       strchrnul.o
CC       strerror.o
CC       strerror-override.o
CC       strerror_r.o
CC       strverscmp.o
CC       vasnprintf.o
In file included from ../../../lib/vasnprintf.c:88:0:
../../../lib/xsize.h:71:1: warning: 'xsum3' defined but not used 
[-Wunused-function]
xsum3 (size_t size1, size_t size2, size_t size3)
^
CC       vfprintf.o
CC       vsnprintf.o
CC       vsprintf.o
CC       wcwidth.o
CC       xmemdup0.o
In file included from ../../../lib/xmemdup0.c:21:0:
../../../lib/xalloc.h:113:1: warning: 'xnrealloc' defined but not used 
[-Wunused-function]
AR       libbison.a
/opt/local/bin/ranlib: file: libbison.a(fd-hook.o) has no symbols
/opt/local/bin/ranlib: file: libbison.a(math.o) has no symbols
/opt/local/bin/ranlib: file: libbison.a(stdio.o) has no symbols
/opt/local/bin/ranlib: file: libbison.a(threadlib.o) has no symbols
/opt/local/bin/ranlib: file: libbison.a(unistd.o) has no symbols
/opt/local/bin/ranlib: file: libbison.a(wctype-h.o) has no symbols
ranlib: file: libbison.a(fd-hook.o) has no symbols
ranlib: file: libbison.a(math.o) has no symbols
ranlib: file: libbison.a(stdio.o) has no symbols
ranlib: file: libbison.a(threadlib.o) has no symbols
ranlib: file: libbison.a(unistd.o) has no symbols
ranlib: file: libbison.a(wctype-h.o) has no symbols
GEN      charset.alias
GEN      ref-add.sed
GEN      ref-del.sed
gmake[3]: Leaving directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug/lib'
gmake[2]: Leaving directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug/lib'
Making all in data
gmake[2]: Entering directory 
`/Users/akim/src/gnu/bison-2.5/_build/48-debug/data'
gmake[2]: Nothing to be done for `all'.
gmake[2]: Leaving directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug/data'
Making all in src
gmake[2]: Entering directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug/src'
gmake  all-am
gmake[3]: Entering directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug/src'
CC       AnnotationList.o
In file included from ../../../src/system.h:63:0,
              from ../../../src/AnnotationList.c:21:
../../../lib/xalloc.h:113:1: error: 'xnrealloc' defined but not used 
[-Werror=unused-function]
xnrealloc (void *p, size_t n, size_t s)
^
In file included from ../../../src/system.h:63:0,
              from ../../../src/AnnotationList.c:21:
../../../lib/xalloc.h:176:1: error: 'x2nrealloc' defined but not used 
[-Werror=unused-function]
x2nrealloc (void *p, size_t *pn, size_t s)
^
../../../lib/xalloc.h:215:1: error: 'xcharalloc' defined but not used 
[-Werror=unused-function]
xcharalloc (size_t n)
^
cc1: all warnings being treated as errors
gmake[3]: *** [AnnotationList.o] Error 1
gmake[3]: Leaving directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug/src'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug/src'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/Users/akim/src/gnu/bison-2.5/_build/48-debug'
gmake: *** [all] Error 2
Compilation FAILED: /Users/akim/src/gnu/bison-2.5: build-for-darwin  exit 2