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