Improve detection of whether tzset is broken.

This commit is contained in:
Brett Cannon 2003-09-19 00:59:16 +00:00
parent a425dbc7ce
commit 1836781fae
3 changed files with 56 additions and 15 deletions

35
configure vendored
View file

@ -1,5 +1,5 @@
#! /bin/sh
# From configure.in Revision: 1.430 .
# From configure.in Revision: 1.431 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.57 for python 2.4.
#
@ -18254,20 +18254,39 @@ cat >>conftest.$ac_ext <<_ACEOF
#include <stdlib.h>
#include <time.h>
#include <string.h>
int main()
{
int gmt_hour;
int eastern_hour;
time_t now;
now = time((time_t*)NULL);
/* Note that we need to ensure that not only does tzset(3)
do 'something' with localtime, but it works as documented
in the library reference and as expected by the test suite.
Red Hat 6.2 doesn't understand the southern hemisphere
after New Year's Day; it thinks swaps on that day.
*/
time_t groundhogday = 1044144000; /* GMT-based; well, it's a colony */
time_t midyear = groundhogday + (365 * 24 * 3600 / 2);
putenv("TZ=UTC+0");
tzset();
gmt_hour = localtime(&now)->tm_hour;
if (localtime(&groundhogday)->tm_hour != 0)
exit(1);
putenv("TZ=EST+5EDT,M4.1.0,M10.5.0");
tzset();
eastern_hour = localtime(&now)->tm_hour;
if (eastern_hour == gmt_hour)
if (localtime(&groundhogday)->tm_hour != 19)
exit(1);
putenv("TZ=AEST-10AEDT-11,M10.5.0,M3.5.0");
tzset();
if (localtime(&groundhogday)->tm_hour != 11)
exit(1);
if (strcmp(localtime(&groundhogday)->tm_zone, "AEDT"))
exit(1);
if (strcmp(localtime(&midyear)->tm_zone, "AEST"))
exit(1);
exit(0);
}

View file

@ -2810,20 +2810,39 @@ AC_CACHE_VAL(ac_cv_working_tzset, [
AC_TRY_RUN([
#include <stdlib.h>
#include <time.h>
#include <string.h>
int main()
{
int gmt_hour;
int eastern_hour;
time_t now;
now = time((time_t*)NULL);
/* Note that we need to ensure that not only does tzset(3)
do 'something' with localtime, but it works as documented
in the library reference and as expected by the test suite.
Red Hat 6.2 doesn't understand the southern hemisphere
after New Year's Day; it thinks swaps on that day.
*/
time_t groundhogday = 1044144000; /* GMT-based; well, it's a colony */
time_t midyear = groundhogday + (365 * 24 * 3600 / 2);
putenv("TZ=UTC+0");
tzset();
gmt_hour = localtime(&now)->tm_hour;
if (localtime(&groundhogday)->tm_hour != 0)
exit(1);
putenv("TZ=EST+5EDT,M4.1.0,M10.5.0");
tzset();
eastern_hour = localtime(&now)->tm_hour;
if (eastern_hour == gmt_hour)
if (localtime(&groundhogday)->tm_hour != 19)
exit(1);
putenv("TZ=AEST-10AEDT-11,M10.5.0,M3.5.0");
tzset();
if (localtime(&groundhogday)->tm_hour != 11)
exit(1);
if (strcmp(localtime(&groundhogday)->tm_zone, "AEDT"))
exit(1);
if (strcmp(localtime(&midyear)->tm_zone, "AEST"))
exit(1);
exit(0);
}
],

View file

@ -600,6 +600,9 @@
`tzname'. */
#undef HAVE_TZNAME
/* Define this if you have tcl and TCL_UTF_MAX==6 */
#undef HAVE_UCS4_TCL
/* Define this if you have the type uintptr_t. */
#undef HAVE_UINTPTR_T