summaryrefslogtreecommitdiff
path: root/config
diff options
context:
space:
mode:
authorunknown <df@pippilotta.erinye.com>2007-04-11 13:32:40 +0200
committerunknown <df@pippilotta.erinye.com>2007-04-11 13:32:40 +0200
commitd2880dbe3f79932385ebc270ed5f99f7571bc80d (patch)
treeeff5e635833f52f9160190cafd19310c0cc73b6f /config
parent2b685e48dbd3267bc193abb0d8b0c7d8a97912d0 (diff)
parent6e9ebc2a9f013ea5ae5b87fd73787c9b9b3646d6 (diff)
downloadmariadb-git-d2880dbe3f79932385ebc270ed5f99f7571bc80d.tar.gz
Merge pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.0-build-work-25601
into pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.0-build-work
Diffstat (limited to 'config')
-rw-r--r--config/ac-macros/misc.m424
1 files changed, 24 insertions, 0 deletions
diff --git a/config/ac-macros/misc.m4 b/config/ac-macros/misc.m4
index d8199f5970e..09081fb3eac 100644
--- a/config/ac-macros/misc.m4
+++ b/config/ac-macros/misc.m4
@@ -790,3 +790,27 @@ esac
AC_SUBST(AR)
AC_SUBST(ARFLAGS)
])
+
+dnl
+dnl Macro to check time_t range: according to C standard
+dnl array index must be greater than 0 => if time_t is signed,
+dnl the code in the macros below won't compile.
+dnl
+
+AC_DEFUN([MYSQL_CHECK_TIME_T],[
+ AC_MSG_CHECKING(if time_t is unsigned)
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+ [[
+#include <time.h>
+ ]],
+ [[
+ int array[(((time_t)-1) > 0) ? 1 : -1];
+ ]] )
+ ], [
+ AC_DEFINE([TIME_T_UNSIGNED], 1, [Define to 1 if time_t is unsigned])
+ AC_MSG_RESULT(yes)
+ ],
+ [AC_MSG_RESULT(no)]
+ )
+])
+