Merge from gnulib.

[bpt/emacs.git] / m4 / time_r.m4

diff --git a/m4/time_r.m4 b/m4/time_r.m4
index c3579fb..9ddbd01 100644 (file)
--- a/m4/time_r.m4
+++ b/m4/time_r.m4
@@ -17,7 +17,7 @@ AC_DEFUN([gl_TIME_R],
 
   dnl Some systems don't declare localtime_r() and gmtime_r() if _REENTRANT is
   dnl not defined.
-  AC_CHECK_DECLS_ONCE([localtime_r])
+  AC_CHECK_DECLS([localtime_r], [], [], [[#include <time.h>]])
   if test $ac_cv_have_decl_localtime_r = no; then
     HAVE_DECL_LOCALTIME_R=0
   fi