configure/genstamp: check for struct tm.tm_gmtoff

[citadel.git] / citadel / genstamp.c

diff --git a/citadel/genstamp.c b/citadel/genstamp.c
index 1ca2752cd6f2d4527dee237807137cfed3cb9a2c..5048ca6706f5764301d5c787a5e4cea07308da78 100644 (file)
--- a/citadel/genstamp.c
+++ b/citadel/genstamp.c
@@ -5,11 +5,26 @@
  *
  */
 
+#ifdef DLL_EXPORT
+#define IN_LIBCIT
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
 #include <string.h>
-#include <time.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+#  include <sys/time.h>
+# else
+#  include <time.h>
+# endif
+#endif
+
 #include "genstamp.h"
 
 
@@ -36,7 +51,11 @@ void datestring(char *buf, time_t xtime, int which_format) {
        t = localtime(&xtime);
 
        /* Convert "seconds west of GMT" to "hours/minutes offset" */
+#ifdef HAVE_STRUCT_TM_TM_GMTOFF
+       offset = t->tm_gmtoff;
+#else
        offset = timezone;
+#endif
        if (offset > 0) {
                offsign = '-';
        }