--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/tools/MakeDeps/UnixPlatform.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,80 @@
+/*
+ * Copyright 1999-2005 Sun Microsystems, Inc.  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.
+ *
+ * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+public class UnixPlatform extends Platform {
+    public void setupFileTemplates() {
+        inclFileTemplate = new FileName(this,
+            "incls/", "_", "",             ".incl", "", ""
+        );
+        giFileTemplate = new FileName(this,
+            "incls/", "",  "_precompiled", ".incl", "", ""
+        );
+        gdFileTemplate = new FileName(this,
+            "",       "",  "Dependencies", "",      "", ""
+        );
+    }
+
+    private static String[] suffixes = { ".cpp", ".c", ".s" };
+
+    public String[] outerSuffixes() {
+        return suffixes;
+    }
+
+    public String objFileSuffix() {
+        return ".o";
+    }
+
+    public String asmFileSuffix() {
+        return ".i";
+    }
+
+    public String dependentPrefix() {
+        return "";
+    }
+
+    /** Do not change this; unless you fix things so precompiled
+        header files get translated into make dependencies. - Ungar */
+    public int defaultGrandIncludeThreshold() {
+       if (System.getProperty("USE_PRECOMPILED_HEADER") != null)
+          return 30;
+       else
+          return 1 << 30;
+    }
+
+    /** For Unix make, include the dependencies for precompiled header
+        files. */
+    public boolean includeGIDependencies() {
+        return false;
+    }
+
+    /** Should C/C++ source file be dependent on a file included
+        into the grand-include file.
+        On Unix with precompiled headers we don't want each file to be
+        dependent on grand-include file. Instead each C/C++ source file
+        is depended on each own set of files, and recompiled only when
+        files from this set are changed. */
+    public boolean writeDependenciesOnHFilesFromGI() {
+        return System.getProperty("USE_PRECOMPILED_HEADER") != null;
+    }
+}