AC_CHECK_FUNCS(strptime)
AC_CHECK_DECLS(strptime, [], [], [#include <time.h>])
AC_CACHE_CHECK([whether strptime is available and works],libreplace_cv_STRPTIME_OK,[
	AC_TRY_RUN([
		#define LIBREPLACE_CONFIGURE_TEST_STRPTIME
		#include "$libreplacedir/test/strptime.c"
		],
		[libreplace_cv_STRPTIME_OK=yes],
		[libreplace_cv_STRPTIME_OK=no],
		[libreplace_cv_STRPTIME_OK="assuming not"])
])
if test x"$libreplace_cv_STRPTIME_OK" != x"yes"; then
        LIBREPLACEOBJ="${LIBREPLACEOBJ} $libreplacedir/strptime.o"
else
        AC_DEFINE(HAVE_WORKING_STRPTIME,1,[Whether strptime is working correct])
fi