===================================================================
RCS file: /cvs/mandoc/test-strptime.c,v
retrieving revision 1.2
retrieving revision 1.4
diff -u -p -r1.2 -r1.4
--- mandoc/test-strptime.c	2014/01/04 01:11:00	1.2
+++ mandoc/test-strptime.c	2018/08/15 02:15:52	1.4
@@ -1,7 +1,3 @@
-#if defined(__linux__) || defined(__MINT__)
-# define _GNU_SOURCE /* strptime() */
-#endif
-
 #include <time.h>
 
 int
@@ -9,6 +5,6 @@ main(void)
 {
 	struct tm tm;
 	const char input[] = "2014-01-04";
-	return( ! (input+10 == strptime(input, "%Y-%m-%d", &tm) &&
-	    114 == tm.tm_year && 0 == tm.tm_mon && 4 == tm.tm_mday));
+	return ! (strptime(input, "%Y-%m-%d", &tm) == input + 10 &&
+	    tm.tm_year == 114 && tm.tm_mon == 0 && tm.tm_mday == 4);
 }