linux: Explicitly include gmodule-2.0 in the list for glib/gtk dependency.

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.
 
 {
   'conditions': [
     ['sysroot!=""', {
       'variables': {
         'pkg-config': './pkg-config-wrapper "<(sysroot)" "<(target_arch)"',
       },
@@ skipping 14 matching lines @@
       },
     }],
   ],
 
 
   'targets': [
     {
       'target_name': 'gtk',
       'type': 'none',
       'toolsets': ['host', 'target'],
+      'variables': {
+        # gtk requires gmodule, but it does not list it as a dependency in some
+        # misconfigured systems.
+        'gtk_packages': 'gmodule-2.0 gtk+-2.0 gthread-2.0',
+      },
       'conditions': [
         ['_toolset=="target"', {
           'direct_dependent_settings': {
             'cflags': [
-              '<!@(<(pkg-config) --cflags gtk+-2.0 gthread-2.0)',
+              '<!@(<(pkg-config) --cflags <(gtk_packages))',
             ],
           },
           'link_settings': {
             'ldflags': [
-              '<!@(<(pkg-config) --libs-only-L --libs-only-other gtk+-2.0 gthread-2.0)',
+              '<!@(<(pkg-config) --libs-only-L --libs-only-other <(gtk_packages))',
             ],
             'libraries': [
-              '<!@(<(pkg-config) --libs-only-l gtk+-2.0 gthread-2.0)',
+              '<!@(<(pkg-config) --libs-only-l <(gtk_packages))',
             ],
           },
         }, {
           'direct_dependent_settings': {
             'cflags': [
-              '<!@(pkg-config --cflags gtk+-2.0 gthread-2.0)',
+              '<!@(pkg-config --cflags <(gtk_packages))',
             ],
           },
           'link_settings': {
             'ldflags': [
-              '<!@(pkg-config --libs-only-L --libs-only-other gtk+-2.0 gthread-2.0)',
+              '<!@(pkg-config --libs-only-L --libs-only-other <(gtk_packages))',
             ],
             'libraries': [
-              '<!@(pkg-config --libs-only-l gtk+-2.0 gthread-2.0)',
+              '<!@(pkg-config --libs-only-l <(gtk_packages))',
             ],
           },
         }],
         ['chromeos==1', {
           'link_settings': {
             'libraries': [ '-lXtst' ]
           }
         }],
       ],
     },
@@ skipping 415 matching lines @@
         ],
         'libraries': [
           '<!@(<(pkg-config) --libs-only-l dbus-glib-1)',
         ],
       },
     },
     {
       'target_name': 'glib',
       'type': 'none',
       'toolsets': ['host', 'target'],
+      'variables': {
+        'glib_packages': 'glib-2.0 gmodule-2.0 gobject-2.0 gthread-2.0',
+      },
       'conditions': [
         ['_toolset=="target"', {
           'direct_dependent_settings': {
             'cflags': [
-              '<!@(<(pkg-config) --cflags glib-2.0 gobject-2.0 gthread-2.0)',
+              '<!@(<(pkg-config) --cflags <(glib_packages))',
             ],
           },
           'link_settings': {
             'ldflags': [
-              '<!@(<(pkg-config) --libs-only-L --libs-only-other glib-2.0 gobject-2.0 gthread-2.0)',
+              '<!@(<(pkg-config) --libs-only-L --libs-only-other <(glib_packages))',
             ],
             'libraries': [
-              '<!@(<(pkg-config) --libs-only-l glib-2.0 gobject-2.0 gthread-2.0)',
+              '<!@(<(pkg-config) --libs-only-l <(glib_packages))',
             ],
           },
         }, {
           'direct_dependent_settings': {
             'cflags': [
-              '<!@(pkg-config --cflags glib-2.0 gobject-2.0 gthread-2.0)',
+              '<!@(pkg-config --cflags <(glib_packages))',
             ],
           },
           'link_settings': {
             'ldflags': [
-              '<!@(pkg-config --libs-only-L --libs-only-other glib-2.0 gobject-2.0 gthread-2.0)',
+              '<!@(pkg-config --libs-only-L --libs-only-other <(glib_packages))',
             ],
             'libraries': [
-              '<!@(pkg-config --libs-only-l glib-2.0 gobject-2.0 gthread-2.0)',
+              '<!@(pkg-config --libs-only-l <(glib_packages))',
             ],
           },
         }],
         ['chromeos==1', {
           'link_settings': {
             'libraries': [ '-lXtst' ]
           }
         }],
       ],
     },
@@ skipping 108 matching lines @@
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l libudev)',
             ],
           },
         }],
       ],
     },
   ],
 }