diff -r 0c4c976612d3 -r cb1203f48728 common/autoconf/platform.m4
--- a/common/autoconf/platform.m4	Wed Apr 18 12:37:18 2018 -0700
+++ b/common/autoconf/platform.m4	Tue Apr 17 09:33:36 2018 -0700
@@ -179,6 +179,7 @@
   OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
   AC_SUBST(OPENJDK_BUILD_OS)
   AC_SUBST(OPENJDK_BUILD_OS_API)
+  AC_SUBST(OPENJDK_BUILD_OS_ENV)
   AC_SUBST(OPENJDK_BUILD_CPU)
   AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
   AC_SUBST(OPENJDK_BUILD_CPU_BITS)
@@ -200,6 +201,7 @@
   OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
   AC_SUBST(OPENJDK_TARGET_OS)
   AC_SUBST(OPENJDK_TARGET_OS_API)
+  AC_SUBST(OPENJDK_TARGET_OS_ENV)
   AC_SUBST(OPENJDK_TARGET_CPU)
   AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
   AC_SUBST(OPENJDK_TARGET_CPU_BITS)