===================================================================
RCS file: /cvs/mandoc/test-wchar.c,v
retrieving revision 1.3
retrieving revision 1.5
diff -u -p -r1.3 -r1.5
--- mandoc/test-wchar.c	2015/10/06 18:32:20	1.3
+++ mandoc/test-wchar.c	2018/08/15 02:15:52	1.5
@@ -1,4 +1,4 @@
-/*	$Id: test-wchar.c,v 1.3 2015/10/06 18:32:20 schwarze Exp $	*/
+/*	$Id: test-wchar.c,v 1.5 2018/08/15 02:15:52 schwarze Exp $	*/
 /*
  * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -15,10 +15,6 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#if defined(__linux__) || defined(__MINT__)
-#define _GNU_SOURCE /* wcwidth() */
-#endif
-
 #include <locale.h>
 #include <stdio.h>
 #include <wchar.h>
@@ -35,9 +31,9 @@ main(void)
 		return 1;
 	}
 
-	if (setlocale(LC_CTYPE, "en_US.UTF-8") == NULL) {
-		fputs("setlocale(LC_CTYPE, \"en_US.UTF-8\") failed\n",
-		    stderr);
+	if (setlocale(LC_CTYPE, UTF8_LOCALE) == NULL) {
+		fprintf(stderr, "setlocale(LC_CTYPE, \"%s\") failed\n",
+		    UTF8_LOCALE);
 		return 1;
 	}