--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/lib/Lib-jdk.net.gmk	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,51 @@
+#
+# Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+include LibCommon.gmk
+
+################################################################################
+
+ifeq ($(OPENJDK_TARGET_OS), solaris)
+
+  $(eval $(call SetupNativeCompilation, BUILD_LIBEXTNET, \
+      LIBRARY := extnet, \
+      OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
+      SRC := $(JDK_TOPDIR)/src/jdk.net/solaris/native/libextnet, \
+      OPTIMIZATION := LOW, \
+      CFLAGS := $(CFLAGS_JDKLIB) -I$(SUPPORT_OUTPUTDIR)/headers/jdk.net, \
+      MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libextnet/mapfile-vers, \
+      LDFLAGS := $(LDFLAGS_JDKLIB) \
+          $(call SET_SHARED_LIBRARY_ORIGIN), \
+      LIBS := -lsocket -lc -ljava, \
+      OBJECT_DIR := $(SUPPORT_OUTPUTDIR)/native/$(MODULE)/libextnet, \
+  ))
+
+  $(BUILD_LIBEXTNET): $(call FindLib, java.base, java)
+
+  TARGETS += $(BUILD_LIBEXTNET)
+endif
+
+
+################################################################################