X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Fstrftime.h;h=485dbdd933148948d389aa7cd8892c99b19290e8;hp=44da0ea71f9f7b465758ee640ad360923f29d0a7;hb=85cd3f3afae48026843bea34d2d0d1056ee9dda5;hpb=c768fa74de0a05c284a73c9dc147c55da65ac416

diff --git a/src/strftime.h b/src/strftime.h
index 44da0ea..485dbdd 100644
--- a/src/strftime.h
+++ b/src/strftime.h
@@ -11,8 +11,14 @@
 #include <stddef.h>     /* for size_t */
 #include <time.h>       /* for struct tm */
 
-size_t strftime_(char *s, size_t maxs, const char *f, const struct tm *t);
+size_t    strftime_(
+    char *s,
+    size_t maxs,
+    const char *f,
+    const struct tm *t);
 
-extern char * tzname_[2];
+#if defined(TZNAME_STD) && defined(TZNAME_DST)
+extern char *tzname_[2];
+#endif
 
-#endif /* STRFTIME__H */
+#endif                          /* STRFTIME__H */