--- old/common/autoconf/spec.gmk.in	2017-03-21 13:43:22.517641951 +0000
+++ new/common/autoconf/spec.gmk.in	2017-03-21 13:43:22.424635569 +0000
@@ -101,8 +101,9 @@
 OPENJDK_BUILD_CPU_BITS:=@OPENJDK_BUILD_CPU_BITS@
 OPENJDK_BUILD_CPU_ENDIAN:=@OPENJDK_BUILD_CPU_ENDIAN@
 
-# Legacy OS values for use in release file.
+# OS values for use in release file.
 REQUIRED_OS_NAME:=@REQUIRED_OS_NAME@
+REQUIRED_OS_ARCH:=@REQUIRED_OS_ARCH@
 REQUIRED_OS_VERSION:=@REQUIRED_OS_VERSION@
 
 LIBM:=@LIBM@