gtk: Hide GTK and related dependencies for Chrome OS

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)"',
+      }, {
+        'pkg-config': 'pkg-config'
+      }]
+    ],
+  },
   'conditions': [
-    ['sysroot!=""', {
-      'variables': {
-        'pkg-config': './pkg-config-wrapper "<(sysroot)" "<(target_arch)"',
-      },
-    }, {
-      'variables': {
-        'pkg-config': 'pkg-config'
-      },
-    }],
     [ 'os_posix==1 and OS!="mac"', {
       'variables': {
         # We use our own copy of libssl3, although we still need to link against
         # the rest of NSS.
         'use_system_ssl%': 0,
       },
     }, {
       'variables': {
         'use_system_ssl%': 1,
       },
     }],
-  ],
-
-
+    [ 'chromeos==0', {
+      # Hide GTK and related dependencies for Chrome OS, so they won't get
+      # added back to Chrome OS. Don't try to use GTK on Chrome OS.
+      '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_packages))',
+                ],
+              },
+              'link_settings': {
+                'ldflags': [
+                  '<!@(<(pkg-config) --libs-only-L --libs-only-other <(gtk_packages))',
+                ],
+                'libraries': [
+                  '<!@(<(pkg-config) --libs-only-l <(gtk_packages))',
+                ],
+              },
+            }, {
+              'direct_dependent_settings': {
+                'cflags': [
+                  '<!@(pkg-config --cflags <(gtk_packages))',
+                ],
+              },
+              'link_settings': {
+                'ldflags': [
+                  '<!@(pkg-config --libs-only-L --libs-only-other <(gtk_packages))',
+                ],
+                'libraries': [
+                  '<!@(pkg-config --libs-only-l <(gtk_packages))',
+                ],
+              },
+            }],
+          ],
+        },
+        {
+          'target_name': 'gtkprint',
+          'type': 'none',
+          'conditions': [
+            ['_toolset=="target"', {
+              'direct_dependent_settings': {
+                'cflags': [
+                  '<!@(<(pkg-config) --cflags gtk+-unix-print-2.0)',
+                ],
+              },
+              'link_settings': {
+                'ldflags': [
+                  '<!@(<(pkg-config) --libs-only-L --libs-only-other gtk+-unix-print-2.0)',
+                ],
+                'libraries': [
+                  '<!@(<(pkg-config) --libs-only-l gtk+-unix-print-2.0)',
+                ],
+              },
+            }],
+          ],
+        },
+      ],  # targets
+    }]  # chromeos==0
+  ],  # conditions
   '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_packages))',
-            ],
-          },
-          'link_settings': {
-            'ldflags': [
-              '<!@(<(pkg-config) --libs-only-L --libs-only-other <(gtk_packages))',
-            ],
-            'libraries': [
-              '<!@(<(pkg-config) --libs-only-l <(gtk_packages))',
-            ],
-          },
-        }, {
-          'direct_dependent_settings': {
-            'cflags': [
-              '<!@(pkg-config --cflags <(gtk_packages))',
-            ],
-          },
-          'link_settings': {
-            'ldflags': [
-              '<!@(pkg-config --libs-only-L --libs-only-other <(gtk_packages))',
-            ],
-            'libraries': [
-              '<!@(pkg-config --libs-only-l <(gtk_packages))',
-            ],
-          },
-        }],
-        ['chromeos==1', {
-          'link_settings': {
-            'libraries': [ '-lXtst' ]
-          }
-        }],
-      ],
-    },
-    {
-      'target_name': 'gtkprint',
-      'type': 'none',
-      'conditions': [
-        ['_toolset=="target"', {
-          'direct_dependent_settings': {
-            'cflags': [
-              '<!@(<(pkg-config) --cflags gtk+-unix-print-2.0)',
-            ],
-          },
-          'link_settings': {
-            'ldflags': [
-              '<!@(<(pkg-config) --libs-only-L --libs-only-other gtk+-unix-print-2.0)',
-            ],
-            'libraries': [
-              '<!@(<(pkg-config) --libs-only-l gtk+-unix-print-2.0)',
-            ],
-          },
-        }],
-      ],
-    },
-    {
       'target_name': 'ssl',
       'type': 'none',
       'conditions': [
         ['_toolset=="target"', {
           'conditions': [
             ['use_openssl==1', {
               'dependencies': [
                 '../../third_party/openssl/openssl.gyp:openssl',
               ],
             }],
@@ skipping 541 matching lines @@
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l libudev)',
             ],
           },
         }],
       ],
     },
   ],
 }