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      1 # Copyright 2014 The Chromium Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 # This file is meant to be included into an action to provide a rule that
      6 # packs relocations in Release builds of native libraries.
      7 #
      8 # To use this, create a gyp target with the following form:
      9 #  {
     10 #    'action_name': 'pack_relocations',
     11 #    'actions': [
     12 #      'variables': {
     13 #        'enable_packing': 'pack relocations if 1, plain file copy if 0'
     14 #        'exclude_packing_list': 'names of libraries explicitly not packed',
     15 #        'ordered_libraries_file': 'file generated by write_ordered_libraries'
     16 #        'input_paths': 'files to be added to the list of inputs'
     17 #        'stamp': 'file to touch when the action is complete'
     18 #        'stripped_libraries_dir': 'directory holding stripped libraries',
     19 #        'packed_libraries_dir': 'directory holding packed libraries',
     20 #      'includes': [ '../../build/android/pack_relocations.gypi' ],
     21 #    ],
     22 #  },
     23 #
     24 
     25 {
     26   'variables': {
     27     'input_paths': [],
     28   },
     29   'inputs': [
     30     '<(DEPTH)/build/android/gyp/util/build_utils.py',
     31     '<(DEPTH)/build/android/gyp/pack_relocations.py',
     32     '<(ordered_libraries_file)',
     33     '>@(input_paths)',
     34   ],
     35   'outputs': [
     36     '<(stamp)',
     37   ],
     38   'conditions': [
     39     ['enable_packing == 1', {
     40       'message': 'Packing relocations for <(_target_name)',
     41       'dependencies': [
     42         '<(DEPTH)/third_party/android_platform/relocation_packer.gyp:android_relocation_packer#host',
     43       ],
     44       'inputs': [
     45         '<(PRODUCT_DIR)/android_relocation_packer',
     46       ],
     47       'action': [
     48         'python', '<(DEPTH)/build/android/gyp/pack_relocations.py',
     49         '--configuration-name=<(CONFIGURATION_NAME)',
     50         '--enable-packing=1',
     51         '--exclude-packing-list=<@(exclude_packing_list)',
     52         '--android-pack-relocations=<(PRODUCT_DIR)/android_relocation_packer',
     53         '--stripped-libraries-dir=<(stripped_libraries_dir)',
     54         '--packed-libraries-dir=<(packed_libraries_dir)',
     55         '--libraries=@FileArg(<(ordered_libraries_file):libraries)',
     56         '--stamp=<(stamp)',
     57       ],
     58     }, {
     59       'message': 'Copying libraries (no relocation packing) for <(_target_name)',
     60       'action': [
     61         'python', '<(DEPTH)/build/android/gyp/pack_relocations.py',
     62         '--configuration-name=<(CONFIGURATION_NAME)',
     63         '--enable-packing=0',
     64         '--stripped-libraries-dir=<(stripped_libraries_dir)',
     65         '--packed-libraries-dir=<(packed_libraries_dir)',
     66         '--libraries=@FileArg(<(ordered_libraries_file):libraries)',
     67         '--stamp=<(stamp)',
     68       ],
     69     }],
     70     ['android_must_copy_system_libraries == 1', {
     71       # Add a fake output to force the build to always re-run this step. This
     72       # is required because the real inputs are not known at gyp-time and
     73       # changing base.so may not trigger changes to dependent libraries.
     74       'outputs': [ '<(stamp).fake' ]
     75     }],
     76   ],
     77 }
     78