diff options
Diffstat (limited to 'main/cvs/mktime-configure.patch')
| -rw-r--r-- | main/cvs/mktime-configure.patch | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/main/cvs/mktime-configure.patch b/main/cvs/mktime-configure.patch new file mode 100644 index 00000000000..becb6fb9d81 --- /dev/null +++ b/main/cvs/mktime-configure.patch @@ -0,0 +1,201 @@ +https://bugs.gentoo.org/220040 +https://bugs.gentoo.org/570208 + +update mktime check to latest autoconf version which is less buggy + +--- a/configure ++++ b/configure +@@ -13496,26 +14256,25 @@ + cat >>conftest.$ac_ext <<_ACEOF + /* end confdefs.h. */ + /* Test program from Paul Eggert and Tony Leneis. */ +-#if TIME_WITH_SYS_TIME ++#ifdef TIME_WITH_SYS_TIME + # include <sys/time.h> + # include <time.h> + #else +-# if HAVE_SYS_TIME_H ++# ifdef HAVE_SYS_TIME_H + # include <sys/time.h> + # else + # include <time.h> + # endif + #endif + +-#if HAVE_STDLIB_H +-# include <stdlib.h> +-#endif ++#include <limits.h> ++#include <stdlib.h> + +-#if HAVE_UNISTD_H ++#ifdef HAVE_UNISTD_H + # include <unistd.h> + #endif + +-#if !HAVE_ALARM ++#ifndef HAVE_ALARM + # define alarm(X) /* empty */ + #endif + +@@ -13531,9 +14291,9 @@ + }; + #define N_STRINGS (sizeof (tz_strings) / sizeof (tz_strings[0])) + +-/* Fail if mktime fails to convert a date in the spring-forward gap. ++/* Return 0 if mktime fails to convert a date in the spring-forward gap. + Based on a problem report from Andreas Jaeger. */ +-static void ++static int + spring_forward_gap () + { + /* glibc (up to about 1998-10-07) failed this test. */ +@@ -13552,29 +14312,27 @@ + tm.tm_min = 0; + tm.tm_sec = 0; + tm.tm_isdst = -1; +- if (mktime (&tm) == (time_t)-1) +- exit (1); ++ return mktime (&tm) != (time_t) -1; + } + +-static void ++static int + mktime_test1 (now) + time_t now; + { + struct tm *lt; +- if ((lt = localtime (&now)) && mktime (lt) != now) +- exit (1); ++ return ! (lt = localtime (&now)) || mktime (lt) == now; + } + +-static void ++static int + mktime_test (now) + time_t now; + { +- mktime_test1 (now); +- mktime_test1 ((time_t) (time_t_max - now)); +- mktime_test1 ((time_t) (time_t_min + now)); ++ return (mktime_test1 (now) ++ && mktime_test1 ((time_t) (time_t_max - now)) ++ && mktime_test1 ((time_t) (time_t_min + now))); + } + +-static void ++static int + irix_6_4_bug () + { + /* Based on code from Ariel Faigon. */ +@@ -13585,11 +14345,10 @@ + tm.tm_sec = 0; + tm.tm_isdst = -1; + mktime (&tm); +- if (tm.tm_mon != 2 || tm.tm_mday != 31) +- exit (1); ++ return tm.tm_mon == 2 && tm.tm_mday == 31; + } + +-static void ++static int + bigtime_test (j) + int j; + { +@@ -13614,8 +14370,39 @@ + && lt->tm_wday == tm.tm_wday + && ((lt->tm_isdst < 0 ? -1 : 0 < lt->tm_isdst) + == (tm.tm_isdst < 0 ? -1 : 0 < tm.tm_isdst)))) +- exit (1); ++ return 0; + } ++ return 1; ++} ++ ++static int ++year_2050_test () ++{ ++ /* The correct answer for 2050-02-01 00:00:00 in Pacific time, ++ ignoring leap seconds. */ ++ unsigned long int answer = 2527315200UL; ++ ++ struct tm tm; ++ time_t t; ++ tm.tm_year = 2050 - 1900; ++ tm.tm_mon = 2 - 1; ++ tm.tm_mday = 1; ++ tm.tm_hour = tm.tm_min = tm.tm_sec = 0; ++ tm.tm_isdst = -1; ++ ++ /* Use the portable POSIX.1 specification "TZ=PST8PDT,M4.1.0,M10.5.0" ++ instead of "TZ=America/Vancouver" in order to detect the bug even ++ on systems that don't support the Olson extension, or don't have the ++ full zoneinfo tables installed. */ ++ putenv ("TZ=PST8PDT,M4.1.0,M10.5.0"); ++ ++ t = mktime (&tm); ++ ++ /* Check that the result is either a failure, or close enough ++ to the correct answer that we can assume the discrepancy is ++ due to leap seconds. */ ++ return (t == (time_t) -1 ++ || (0 < t && answer - 120 <= t && t <= answer + 120)); + } + + int +@@ -13629,12 +14416,15 @@ + isn't worth using anyway. */ + alarm (60); + +- for (time_t_max = 1; 0 < time_t_max; time_t_max *= 2) +- continue; +- time_t_max--; +- if ((time_t) -1 < 0) +- for (time_t_min = -1; (time_t) (time_t_min * 2) < 0; time_t_min *= 2) +- continue; ++ for (;;) ++ { ++ t = (time_t_max << 1) + 1; ++ if (t <= time_t_max) ++ break; ++ time_t_max = t; ++ } ++ time_t_min = - ((time_t) ~ (time_t) 0 == (time_t) -1) - time_t_max; ++ + delta = time_t_max / 997; /* a suitable prime number */ + for (i = 0; i < N_STRINGS; i++) + { +@@ -13642,18 +14432,22 @@ + putenv (tz_strings[i]); + + for (t = 0; t <= time_t_max - delta; t += delta) +- mktime_test (t); +- mktime_test ((time_t) 1); +- mktime_test ((time_t) (60 * 60)); +- mktime_test ((time_t) (60 * 60 * 24)); +- +- for (j = 1; 0 < j; j *= 2) +- bigtime_test (j); +- bigtime_test (j - 1); ++ if (! mktime_test (t)) ++ return 1; ++ if (! (mktime_test ((time_t) 1) ++ && mktime_test ((time_t) (60 * 60)) ++ && mktime_test ((time_t) (60 * 60 * 24)))) ++ return 1; ++ ++ for (j = 1; ; j <<= 1) ++ if (! bigtime_test (j)) ++ return 1; ++ else if (INT_MAX / 2 < j) ++ break; ++ if (! bigtime_test (INT_MAX)) ++ return 1; + } +- irix_6_4_bug (); +- spring_forward_gap (); +- exit (0); ++ return ! (irix_6_4_bug () && spring_forward_gap () && year_2050_test ()); + } + _ACEOF + rm -f conftest$ac_exeext |