variables. -- explanation partly taken from GNU make. */
#define N_(string) string
+#if ! ENABLE_NLS
+# undef HAVE_WCHAR_H
+# undef HAVE_WCWIDTH
+# undef HAVE_MBTOWC
+#endif /* not ENABLE_NLS */
+
+#if HAVE_WCWIDTH && HAVE_MBTOWC
+# define USE_NLS_PROGRESS_BAR 1
+#else
+/* Just to be a little paranoid about it. */
+# undef USE_NLS_PROGRESS_BAR
+#endif
+
/* I18N NOTE: You will notice that none of the DEBUGP messages are
marked as translatable. This is intentional, for a few reasons: