From 3f16d9fbc90f0e28ef6947d7492010094512a14e Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 16 May 2005 14:40:10 +0000
Subject: [PATCH] attempt to detect a bad (as in HPUX 10.20 bad) gmtime_r
function
---
configure.ac | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/configure.ac b/configure.ac
index ef77da6649..81c77dd5fd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1293,6 +1293,41 @@ if test "x$RECENTAIX" = "xyes"; then
AC_CHECK_FUNCS( gmtime_r )
fi
+if test x$cross_compiling != xyes; then
+ dnl if gmtime_r was found, verify that it actuall works, as (at least) HPUX
+ dnl 10.20 is known to have a buggy one. If it doesn't work, disable use of
+ dnl it.
+
+ AC_MSG_CHECKING([if gmtime_r works])
+ AC_RUN_IFELSE([[
+ #include <time.h>
+ int main(void)
+ {
+ time_t local = 1170352587;
+ struct tm *gmt;
+ struct tm keeper;
+ putenv("TZ=CST6CDT");
+ tzset();
+ gmt = gmtime_r(&local, &keeper);
+ if(gmt) {
+ return 0;
+ }
+ return 1; /* failure */
+ }
+ ]],
+ dnl success, do nothing
+ AC_MSG_RESULT(yes)
+ ,
+ dnl failure, now disable the function
+ AC_MSG_RESULT(no)
+ ac_cv_func_gmtime_r="no"
+ ,
+ dnl not invoked when crosscompiling)
+])
+
+
+fi
+
dnl **********************************************************************
dnl Back to "normal" configuring
--
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