* lto.c: Only include <sys/mman.h> if HAVE_MMAP_FILE.

From-SVN: r152543

gcc/lto/ChangeLog

+2009-10-07  Joseph Myers  <joseph@codesourcery.com>
+
+	* lto.c: Only include <sys/mman.h> if HAVE_MMAP_FILE.
+
 2009-10-07  Jan Hubicka  <jh@suse.cz>
 
 	* lto.c (read_cgraph_and_symbols): Mark functions neccesary only at

gcc/lto/lto.c

@@ -46,7 +46,9 @@ along with GCC; see the file COPYING3.  If not see
 /* This needs to be included after config.h.  Otherwise, _GNU_SOURCE will not
    be defined in time to set __USE_GNU in the system headers, and strsignal
    will not be declared.  */
+#if HAVE_MMAP_FILE
 #include <sys/mman.h>
+#endif
 
 DEF_VEC_P(bitmap);
 DEF_VEC_ALLOC_P(bitmap,heap);