* lib/regex_internal.h (lock_fini, lock_lock): Rework to avoid
gcc warnings in the non-threaded case. Reported by Charlie Brown in
<http://lists.gnu.org/archive/html/bug-gnulib/2013-07/msg00015.html>.
2013-07-09 Paul Eggert <eggert@cs.ucla.edu>
+ regex: port to --with-included-regex --enable-gcc-warnings non-threaded
+ * lib/regex_internal.h (lock_fini, lock_lock): Rework to avoid
+ gcc warnings in the non-threaded case. Reported by Charlie Brown in
+ <http://lists.gnu.org/archive/html/bug-gnulib/2013-07/msg00015.html>.
+
accept4, dup3, pipe2: port to Cygwin
Problem reported for Emacs by Ken Brown in <http://bugs.gnu.org/14821>.
* lib/accept4.c (accept4) [O_BINARY]:
#else
# define lock_define(name)
# define lock_init(lock) 0
-# define lock_fini(lock) 0
-# define lock_lock(lock) ((void) 0)
+# define lock_fini(lock) ((void) 0)
+ /* The 'dfa' avoids an "unused variable 'dfa'" warning from GCC. */
+# define lock_lock(lock) ((void) dfa)
# define lock_unlock(lock) ((void) 0)
#endif