X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=uconfig.h;h=d618b03a6d40881bf07cb5acd8b50aaba158d825;hb=4dc4bba60f13ed8dad154870e750085525979ec1;hp=e18a6cc6561c4dded525560151641db7d55ec2af;hpb=666ea1927d03c6430ac8120e8603244e721e20a0;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/uconfig.h b/uconfig.h
index e18a6cc..d618b03 100644
--- a/uconfig.h
+++ b/uconfig.h
@@ -2251,6 +2251,12 @@
  *	This symbol, if defined, indicates that the localtime_r routine
  *	is available to localtime re-entrantly.
  */
+/* LOCALTIME_R_NEEDS_TZSET:
+ *	Many libc's localtime_r implementations do not call tzset,
+ *	making them differ from localtime(), and making timezone
+ *	changes using $ENV{TZ} without explicitly calling tzset
+ *	impossible. This symbol makes us call tzset before localtime_r
+ */
 /* LOCALTIME_R_PROTO:
  *	This symbol encodes the prototype of localtime_r.
  *	It is zero if d_localtime_r is undef, and one of the
@@ -2258,6 +2264,7 @@
  *	is defined.
  */
 /*#define HAS_LOCALTIME_R	   / **/
+/*#define LOCALTIME_R_NEEDS_TZSET	   / **/
 #define LOCALTIME_R_PROTO 0	   /**/
 
 /* HAS_LONG_DOUBLE: