blob: e65adf6e6d030a4fec821d5854138152207d3970 (
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--- a/readline/complete.c
+++ b/readline/complete.c
@@ -25,6 +25,11 @@
# include <config.h>
#endif
+#ifdef HAVE_WCHAR_H /* wcwidth() */
+# define _GNU_SOURCE
+# include <wchar.h>
+#endif
+
#include <sys/types.h>
#include <fcntl.h>
#if defined (HAVE_SYS_FILE_H)
--- a/readline/display.c
+++ b/readline/display.c
@@ -25,6 +25,11 @@
# include <config.h>
#endif
+#ifdef HAVE_WCHAR_H /* wcwidth() */
+# define _GNU_SOURCE
+# include <wchar.h>
+#endif
+
#include <sys/types.h>
#if defined (HAVE_UNISTD_H)
--- a/readline/mbutil.c
+++ b/readline/mbutil.c
@@ -25,6 +25,11 @@
# include <config.h>
#endif
+#ifdef HAVE_WCHAR_H /* wcwidth() */
+# define _GNU_SOURCE
+# include <wchar.h>
+#endif
+
#include <sys/types.h>
#include <fcntl.h>
#include "posixjmp.h"
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