Corrected the interpretation of user supplied ECMA-119 timestamp strings

libisoburn/trunk/configure.ac

@@ -99,6 +99,13 @@ AC_PROG_INSTALL
 
 AC_CHECK_HEADERS()
 
+dnl Check for tm_gmtoff field in struct tm
+AC_CHECK_MEMBER([struct tm.tm_gmtoff],
+	[AC_DEFINE(HAVE_TM_GMTOFF, 1,
+		[Define this if tm structure includes a tm_gmtoff entry.])],
+	,
+	[#include <time.h>])
+
 THREAD_LIBS=-lpthread
 AC_SUBST(THREAD_LIBS)