Checking at configure time for timezone integer variable

xorriso/configure_ac.txt

@@ -97,6 +97,16 @@ AC_CHECK_DECL([timegm],
         ,
         [#include <time.h>])
 
+dnl Whether timezone is an integer variable
+AH_TEMPLATE([Libburnia_timezonE], [Either timezone or 0])
+LIBBURNIA_TRY_TIMEZONE
+if test x$LIBBURNIA_TIMEZONE = xtimezone
+then
+   AC_DEFINE([Libburnia_timezonE], [timezone])
+else
+   AC_DEFINE([Libburnia_timezonE], [0])
+fi
+
 dnl Check if non standard eaccess() function is available
 AC_CHECK_DECL([eaccess],
         [AC_DEFINE(HAVE_EACCESS, 1, [Define this if eaccess function is available])],

xorriso/misc_funct.c

@@ -646,7 +646,10 @@ time_t Decode_timestring(char *code, time_t *date, int flag)
 #else
      if(result_tm.tm_isdst < 0)
        result_tm.tm_isdst = 0;
-     seconds-= timezone - result_tm.tm_isdst * 3600;
+#ifndef Libburnia_timezonE
+#define Libburnia_timezonE timezone
+#endif
+     seconds-= Libburnia_timezonE - result_tm.tm_isdst * 3600;
 #endif
 
    }

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2014.11.13.180427"
+#define Xorriso_timestamP "2014.11.26.134709"