1 /*
   2  * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 public class UnixPlatform extends Platform {
  26     public void setupFileTemplates() {
  27         inclFileTemplate = new FileName(this,
  28             "incls/", "_", "",             ".incl", "", ""
  29         );
  30         giFileTemplate = new FileName(this,
  31             "incls/", "",  "_precompiled", ".incl", "", ""
  32         );
  33         gdFileTemplate = new FileName(this,
  34             "",       "",  "Dependencies", "",      "", ""
  35         );
  36     }
  37 
  38     private static String[] suffixes = { ".cpp", ".c", ".s" };
  39 
  40     public String[] outerSuffixes() {
  41         return suffixes;
  42     }
  43 
  44     public String objFileSuffix() {
  45         return ".o";
  46     }
  47 
  48     public String asmFileSuffix() {
  49         return ".i";
  50     }
  51 
  52     public String dependentPrefix() {
  53         return "";
  54     }
  55 
  56     /** Do not change this; unless you fix things so precompiled
  57         header files get translated into make dependencies. - Ungar */
  58     public int defaultGrandIncludeThreshold() {
  59        if (System.getProperty("USE_PRECOMPILED_HEADER") != null)
  60           return 30;
  61        else
  62           return 1 << 30;
  63     }
  64 
  65     /** For Unix make, include the dependencies for precompiled header
  66         files. */
  67     public boolean includeGIDependencies() {
  68         return false;
  69     }
  70 
  71     /** Should C/C++ source file be dependent on a file included
  72         into the grand-include file.
  73         On Unix with precompiled headers we don't want each file to be
  74         dependent on grand-include file. Instead each C/C++ source file
  75         is depended on each own set of files, and recompiled only when
  76         files from this set are changed. */
  77     public boolean writeDependenciesOnHFilesFromGI() {
  78         return System.getProperty("USE_PRECOMPILED_HEADER") != null;
  79     }
  80 }