build-sys: add AC_STRUCT_TIMEZONE

new datetime parsing code assumes macros:

	lib/parse-date.c : HAVE_STRUCT_TM_TM_ZONE
	lib/parse-date.c : HAVE_TZNAME

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/configure.ac b/configure.ac
index f0abedf17cb1810854feef95bc47d4b54cf1cec6..8d2e0d7eb35992a309b9c627676500969f34c789 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -184,6 +184,7 @@ UL_SET_ARCH([HPPA], [hppa*|parisc*])
 
 AC_SYS_LARGEFILE
 AC_HEADER_ASSERT
+AC_STRUCT_TIMEZONE
 
 dnl Don't forget to maintain alternatively allowed versions in autogen.sh!
 AM_GNU_GETTEXT_VERSION([0.18.3])