Linux: use generated library loader for gsettings.

build/linux/system.gyp

 # Copyright (c) 2012 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': {
     'conditions': [
       ['sysroot!=""', {
         'pkg-config': './pkg-config-wrapper "<(sysroot)" "<(target_arch)"',
       }, {
@@ skipping 224 matching lines @@
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l gconf-2.0)',
             ],
           },
         }],
       ],
     },
     {
       'target_name': 'gio',
-      'type': 'none',
+      'type': 'static_library',

[Ryan Sleevi, 2012/11/28 20:38:33]

Shouldn't this library have a 'dependency' on 'base', since you link in base/
concepts (like native_library.h) in the generated file?

[Paweł Hajdan Jr., 2012/11/28 21:19:46]

Done.

       'conditions': [
         ['use_gio==1 and _toolset=="target"', {
+          'include_dirs': [
+            '../..',
+          ],
+          'cflags': [
+            '<!@(<(pkg-config) --cflags gio-2.0)',
+          ],
           'direct_dependent_settings': {
             'cflags': [
               '<!@(<(pkg-config) --cflags gio-2.0)',
             ],
             'defines': [
               'USE_GIO',
             ],
-            'conditions': [
-              ['linux_link_gsettings==0', {
-                'defines': ['DLOPEN_GSETTINGS'],
-              }],
+            'include_dirs': [
+              '<(SHARED_INTERMEDIATE_DIR)',
             ],
           },
           'link_settings': {
             'ldflags': [
               '<!@(<(pkg-config) --libs-only-L --libs-only-other gio-2.0)',
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l gio-2.0)',
             ],
             'conditions': [
               ['linux_link_gsettings==0 and OS=="linux"', {
                 'libraries': [
                   '-ldl',
                 ],
               }],
             ],
           },
+          'hard_dependency': 1,
+          'actions': [
+            {
+              'variables': {
+                'output_h': '<(SHARED_INTERMEDIATE_DIR)/library_loaders/libgio.h',
+                'output_cc': '<(INTERMEDIATE_DIR)/libgio_loader.cc',
+                'generator': '../../tools/generate_library_loader/generate_library_loader.py',
+              },
+              'action_name': 'generate_libgio_loader',
+              'inputs': [
+                '<(generator)',
+              ],
+              'outputs': [
+                '<(output_h)',
+                '<(output_cc)',
+              ],
+              'action': ['python',
+                         '<(generator)',
+                         '--name', 'LibGioLoader',
+                         '--output-h', '<(output_h)',
+                         '--output-cc', '<(output_cc)',
+                         '--header', '<gio/gio.h>',
+                         '--link-directly=<(linux_link_gsettings)',
+                         'g_settings_new',
+                         'g_settings_get_child',
+                         'g_settings_get_string',
+                         'g_settings_get_boolean',
+                         'g_settings_get_int',
+                         'g_settings_get_strv',
+                         'g_settings_list_schemas',
+              ],
+              'message': 'Generating libgio library loader.',
+              'process_outputs_as_sources': 1,
+            },
+          ],
         }],
       ],
     },
     {
       'target_name': 'libpci',
       'type': 'static_library',
       'cflags': [
         '<!@(<(pkg-config) --cflags libpci)',
       ],
       'include_dirs': [
@@ skipping 387 matching lines @@
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l libudev)',
             ],
           },
         }],
       ],
     },
   ],
 }