Index: tigervnc-1.4.1/unix/xserver/hw/vnc/buildtime.c
===================================================================
--- tigervnc-1.4.1.orig/unix/xserver/hw/vnc/buildtime.c
+++ tigervnc-1.4.1/unix/xserver/hw/vnc/buildtime.c
@@ -15,4 +15,4 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
  * USA.
  */
-char buildtime[] = __DATE__ " " __TIME__;
+char buildtime[] = "??? ?? ???? ??:??:??";
Index: tigervnc-1.4.1/unix/vncconfig/buildtime.c
===================================================================
--- tigervnc-1.4.1.orig/unix/vncconfig/buildtime.c
+++ tigervnc-1.4.1/unix/vncconfig/buildtime.c
@@ -15,4 +15,4 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
  * USA.
  */
-char buildtime[] = __DATE__ " " __TIME__;
+char buildtime[] = "??? ?? ???? ??:??:??";
Index: tigervnc-1.4.1/unix/x0vncserver/buildtime.c
===================================================================
--- tigervnc-1.4.1.orig/unix/x0vncserver/buildtime.c
+++ tigervnc-1.4.1/unix/x0vncserver/buildtime.c
@@ -15,4 +15,4 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
  * USA.
  */
-char buildtime[] = __DATE__ " " __TIME__;
+char buildtime[] = "??? ?? ???? ??:??:??";
Index: tigervnc-1.4.1/win/winvnc/buildTime.cxx
===================================================================
--- tigervnc-1.4.1.orig/win/winvnc/buildTime.cxx
+++ tigervnc-1.4.1/win/winvnc/buildTime.cxx
@@ -15,4 +15,4 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
  * USA.
  */
-const char* buildTime = "Built on " __DATE__ " at " __TIME__;
+const char* buildTime = "Built on ??? ?? ???? at ??:??:??";
Index: tigervnc-1.4.1/CMakeLists.txt
===================================================================
--- tigervnc-1.4.1.orig/CMakeLists.txt
+++ tigervnc-1.4.1/CMakeLists.txt
@@ -39,8 +39,7 @@ if(MSVC)
   message(FATAL_ERROR "TigerVNC cannot be built with Visual Studio.  Please use MinGW")
 endif()
 
-set(BUILD_TIMESTAMP "")
-execute_process(COMMAND "date" "+%Y-%m-%d %H:%M" OUTPUT_VARIABLE BUILD_TIMESTAMP)
+set(BUILD_TIMESTAMP "??-??-?? ??:??")
 
 if(NOT BUILD_TIMESTAMP)
   set(BUILD_TIMESTAMP "")