2 files changed, 7 insertions, 0 deletions

diff --git a/src/s/nextstep.h b/src/s/nextstep.h
index 6cb6f7a9af6..893d62ba7a7 100644
--- a/src/s/nextstep.h
+++ b/src/s/nextstep.h
@@ -52,6 +52,9 @@ Boston, MA 02111-1307, USA.  */
 /* This should be true for recent NeXT systems.  At least since 3.2.  */
 #define HAVE_MACH_MACH_H
 
+/* mktime wrongly ignores TZ.  */
+#define BROKEN_MKTIME 1
+
 #if 0 /* I think these are never used--let's see.  -- rms.  */
 /* Mask for address bits within a memory segment */
 
diff --git a/src/s/sco4.h b/src/s/sco4.h
index 2903183128f..2610dfbe0f0 100644
--- a/src/s/sco4.h
+++ b/src/s/sco4.h
@@ -103,6 +103,10 @@ Boston, MA 02111-1307, USA.  */
 /* We don't have -loldX, and we don't need it.  */
 #define LIB_XMENU_LIB
 
+/* doug@zadall.com says SCO 3.2v4.2 mktime botches time arithmetic as used
+   by display-time.  */
+#define BROKEN_MKTIME 1
+
 /* SCO does have TIOCGWINSZ.  */
 #undef BROKEN_TIOCGWINSZ
 #define NEED_PTEM_H