[PATCH] binutils/nm.c: Skip sbrk() under Darwin when _POSIX_C_SOURCE not defined

[Chen Gang]

Need skip it, or will cause compiling break, the related error:

  gcc -DHAVE_CONFIG_H -I. -I../../binutils-gdb/binutils  -I.  -I../../binutils-gdb/binutils -I../bfd -I../../binutils-gdb/binutils/../bfd -I../../binutils-gdb/binutils/../include -I./../intl -DLOCALEDIR="\"/usr/local/share/locale\"" -Dbin_dummy_emulation=bin_vanilla_emulation  -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Werror -g -O2 -MT
nm.o -MD -MP -MF .deps/nm.Tpo -c -o nm.o ../../binutils-gdb/binutils/nm.c
../../binutils-gdb/binutils/nm.c:1703:28: error: 'sbrk' is deprecated [-Werror,-Wdeprecated-declarations]
        char *lim = (char *) sbrk (0);
                                 ^
  /usr/include/unistd.h:582:7: note: 'sbrk' declared here
  void    *sbrk(int);
           ^
   1 error generated.

2014-09-15  Chen Gang  <gang.chen.5i5j@gmail.com>

	* nm.c (main): Skip sbrk() under Darwin when _POSIX_C_SOURCE not
	defined.
---
 binutils/nm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/binutils/nm.c b/binutils/nm.c
index ecd147e..431e983 100644
--- a/binutils/nm.c
+++ b/binutils/nm.c
@@ -1698,6 +1698,7 @@ main (int argc, char **argv)
   END_PROGRESS (program_name);
 
 #ifdef HAVE_SBRK
+#if !defined (__DARWIN_C_LEVEL) || defined (_POSIX_C_SOURCE)
   if (show_stats)
     {
       char *lim = (char *) sbrk (0);
@@ -1705,6 +1706,7 @@ main (int argc, char **argv)
       non_fatal (_("data size %ld"), (long) (lim - (char *) &environ));
     }
 #endif
+#endif
 
   exit (retval);
   return retval;
-- 
1.8.5.2 (Apple Git-48)