Index: sys/contrib/dev/acpica/compiler/asloptions.c
===================================================================
--- sys/contrib/dev/acpica/compiler/asloptions.c
+++ sys/contrib/dev/acpica/compiler/asloptions.c
@@ -70,8 +70,10 @@
 #define ASL_TOKEN_SEPARATORS    " \t\n"
 #define ASL_SUPPORTED_OPTIONS   "@:a:b|c|d^D:e:f^gh^i|I:l^m:no|p:P^r:s|t|T+G^v^w|x:z"
 
+#if 0 /* Prevents reproducible builds. */
 static char ASL_BUILD_DATE[] = __DATE__;
 static char ASL_BUILD_TIME[] = __TIME__;
+#endif
 
 
 /*******************************************************************************
@@ -727,11 +729,13 @@
             Gbl_NoErrors = TRUE;
             break;
 
+#if 0 /* Prevents reproducible builds. */
         case 'd':
 
             printf ("%s Build date/time: %s %s\n",
                 ASL_COMPILER_NAME, ASL_BUILD_DATE, ASL_BUILD_TIME);
             exit (0);
+#endif
 
         case 'e':