diff -urN acpica-unix-20150619/source/compiler/asloptions.c acpica-unix-20150619/source/compiler/asloptions.c
--- acpica-unix-20150619/source/compiler/asloptions.c   2015-06-19 08:56:19.000000000 -0600
+++ acpica-unix-20150619/source/compiler/asloptions.c 2015-12-08 10:44:58.816669240 -0700
@@ -717,6 +717,7 @@
         case '^':

             printf (ACPI_COMMON_SIGNON (ASL_COMPILER_NAME));
+            printf ("%s\n", COREBOOT_TOOLCHAIN_VERSION);
             exit (0);

         case 'a':