Fetch last change (revision) info in a separate action that can run...

base/base.gyp

 # Copyright (c) 2009 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/common.gypi',
@@ skipping 344 matching lines @@
       # These warnings are needed for the files in third_party\dmg_fp.
       'msvs_disabled_warnings': [
         4244, 4554, 4018, 4102,
       ],
       'conditions': [
         [ 'OS == "linux"', {
             'actions': [
               {
                 'action_name': 'linux_version',
                 'variables': {
+                  'lastchange_path':
+                    '<(SHARED_INTERMEDIATE_DIR)/build/LASTCHANGE',
                   'version_py_path': '../chrome/tools/build/version.py',
                   'version_path': '../chrome/VERSION',
                   'template_input_path': 'file_version_info_linux.h.version',
                   'template_output_path':
-                  '<(SHARED_INTERMEDIATE_DIR)/base/file_version_info_linux.h',
+                    '<(SHARED_INTERMEDIATE_DIR)/base/file_version_info_linux.h',
                 },
                 'conditions': [
                   [ 'branding == "Chrome"', {
                     'variables': {
                        'branding_path':
                          '../chrome/app/theme/google_chrome/BRANDING',
                     },
                   }, { # else branding!="Chrome"
                     'variables': {
                        'branding_path':
                          '../chrome/app/theme/chromium/BRANDING',
                     },
                   }],
                 ],
                 'inputs': [
                   '<(template_input_path)',
                   '<(version_path)',
                   '<(branding_path)',
+                  '<(lastchange_path)',
                 ],
                 'outputs': [
                   # Use a non-existant output so this action always runs and
                   # generates version information, e.g. to capture revision
                   # changes, which aren't captured by file dependencies.
-                  '<(SHARED_INTERMEDIATE_DIR)/base/file_version_info_linux.bogus',
+                  '<(SHARED_INTERMEDIATE_DIR)/base/file_version_info_linux.always',
 
                   # And this is the real output, so that the build system knows
                   # what action generates it.
-                  '<(SHARED_INTERMEDIATE_DIR)/base/file_version_info_linux.h',
+                  '<(template_output_path)',
                 ],
                 'action': [
                   'python',
                   '<(version_py_path)',
                   '-f', '<(version_path)',
                   '-f', '<(branding_path)',
+                  '-f', '<(lastchange_path)',
                   '<(template_input_path)',
                   '<(template_output_path)',
                 ],
                 'message': 'Generating version information',
               },
             ],
             'include_dirs': [
               '<(SHARED_INTERMEDIATE_DIR)',
             ],
             'sources/': [ ['exclude', '_(mac|win)\\.cc$'],
                           ['exclude', '\\.mm?$' ] ],
             'sources!': [
               # Linux has an implementation of idle_timer that depends
               # on XScreenSaver, but it's unclear if we want it yet,
               # so use idle_timer_none.cc instead.
               'idle_timer.cc',
             ],
             'dependencies': [
+              '../build/util/build_util.gyp:lastchange',
               '../build/linux/system.gyp:gtk',
               '../build/linux/system.gyp:nss',
             ],
             'cflags': [
               '-Wno-write-strings',
             ],
             'link_settings': {
               'libraries': [
                 # We need rt for clock_gettime().
                 '-lrt',
@@ skipping 331 matching lines @@
           'msvs_settings': {
             'VCLinkerTool': {
               'SubSystem': '2',         # Set /SUBSYSTEM:WINDOWS
             },
           },
         },
       ],
     }],
   ],
 }