Do not depend on or try to configure pangocairo when use_pango == 0

build/linux/system.gyp

Index: build/linux/system.gyp
diff --git a/build/linux/system.gyp b/build/linux/system.gyp
index 09ee713634dec18e4cb2b8d842b66d7715ce6d81..8a27c207ddc7fcdc2cf0575afedb0cc89abcc7f5 100644
--- a/build/linux/system.gyp
+++ b/build/linux/system.gyp
@@ -658,6 +658,46 @@
         },
       ],
     }],
+    ['use_pango==1 and use_cairo==1', {
+      'targets': [
+        {
+          'target_name': 'pangocairo',
+          'type': 'none',

[Nico, 2015/01/13 22:55:50]

Please keep the target available unconditionally, and only put all the
*_settings stuff inside the conditional. Then stuff can depend on tharget
pangocairo unconditionally, and it's an empty noop target in some configs.

[sfunkenhauser-google, 2015/01/14 17:13:58]

Done.

+          'toolsets': ['host', 'target'],
+          'conditions': [
+            ['_toolset=="target"', {
+              'direct_dependent_settings': {
+                'cflags': [
+                  '<!@(<(pkg-config) --cflags pangocairo pangoft2)',
+                ],
+              },
+              'link_settings': {
+                'ldflags': [
+                  '<!@(<(pkg-config) --libs-only-L --libs-only-other pangocairo pangoft2)',
+                ],
+                'libraries': [
+                  '<!@(<(pkg-config) --libs-only-l pangocairo pangoft2)',
+                ],
+              },
+            }, {
+              'direct_dependent_settings': {
+                'cflags': [
+                  '<!@(pkg-config --cflags pangocairo pangoft2)',
+                ],
+              },
+              'link_settings': {
+                'ldflags': [
+                  '<!@(pkg-config --libs-only-L --libs-only-other pangocairo pangoft2)',
+                ],
+                'libraries': [
+                  '<!@(pkg-config --libs-only-l pangocairo pangoft2)',
+                ],
+              },
+            }],
+          ],
+        },
+      ],
+    }],
   ],  # conditions
   'targets': [
     {
@@ -1106,42 +1146,6 @@
       ],
     },
     {
-      'target_name': 'pangocairo',
-      'type': 'none',
-      'toolsets': ['host', 'target'],
-      'conditions': [
-        ['_toolset=="target"', {
-          'direct_dependent_settings': {
-            'cflags': [
-              '<!@(<(pkg-config) --cflags pangocairo pangoft2)',
-            ],
-          },
-          'link_settings': {
-            'ldflags': [
-              '<!@(<(pkg-config) --libs-only-L --libs-only-other pangocairo pangoft2)',
-            ],
-            'libraries': [
-              '<!@(<(pkg-config) --libs-only-l pangocairo pangoft2)',
-            ],
-          },
-        }, {
-          'direct_dependent_settings': {
-            'cflags': [
-              '<!@(pkg-config --cflags pangocairo pangoft2)',
-            ],
-          },
-          'link_settings': {
-            'ldflags': [
-              '<!@(pkg-config --libs-only-L --libs-only-other pangocairo pangoft2)',
-            ],
-            'libraries': [
-              '<!@(pkg-config --libs-only-l pangocairo pangoft2)',
-            ],
-          },
-        }],
-      ],
-    },
-    {
       'target_name': 'ssl',
       'type': 'none',
       'conditions': [