Build Skia for a bare-bones embedded Linux system.

gyp/zlib.gyp

-# Target for including zlib.
+# Copyright 2014 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
 {
+  'variables': {
+    'skia_warnings_as_errors': 0,
+  },
   'targets': [
     {
       'target_name': 'zlib',
-      'type': 'static_library',
-      'dependencies': [
-        'skia_lib.gyp:skia_lib',
-      ],
-      'sources': [
-        '../include/core/SkFlate.h',
-
-        '../src/core/SkFlate.cpp',
-      ],
       'conditions': [
-        [ 'skia_os == "mac"', {
-          'link_settings': {
-            'libraries': [
-              '$(SDKROOT)/usr/lib/libz.dylib',
+        [ 'skia_zlib_static',
+          {
+            'type': 'static_library',
+            'include_dirs': [
+              '../third_party/externals/zlib',
             ],
-          },
-          'defines': [ 'SK_ZLIB_INCLUDE=<zlib.h>', ],
-        }],
-        [ 'skia_os == "ios"', {
-          'link_settings': {
-            'libraries': [
-              '$(SDKROOT)/usr/lib/libz.dylib',
+            'direct_dependent_settings': {
+              'defines': [
+                'SK_ZLIB_INCLUDE=<zlib.h>',
+              ],
+              'include_dirs': [
+                '../third_party/externals/zlib',
+              ],
+            },
+            'sources': [
+              '../third_party/externals/zlib/src/adler32.c',
+              '../third_party/externals/zlib/src/compress.c',
+              '../third_party/externals/zlib/src/crc32.c',
+              '../third_party/externals/zlib/src/deflate.c',
+              '../third_party/externals/zlib/src/gzclose.c',
+              '../third_party/externals/zlib/src/gzlib.c',
+              '../third_party/externals/zlib/src/gzread.c',
+              '../third_party/externals/zlib/src/gzwrite.c',
+              '../third_party/externals/zlib/src/infback.c',
+              '../third_party/externals/zlib/src/inffast.c',
+              '../third_party/externals/zlib/src/inflate.c',
+              '../third_party/externals/zlib/src/inftrees.c',
+              '../third_party/externals/zlib/src/trees.c',
+              '../third_party/externals/zlib/src/uncompr.c',
+              '../third_party/externals/zlib/src/zutil.c',
             ],
-          },
-          'defines': [ 'SK_ZLIB_INCLUDE=<zlib.h>', ],
-        }],
-        [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "android", "nacl"]', {
-          'link_settings': { 'libraries': [ '-lz', ], },
-          'conditions': [
-            [ 'skia_android_framework==0', {
-              'defines': [ 'SK_ZLIB_INCLUDE=<zlib.h>', ],
-            }],
-          ],
-        }],
-        [ 'skia_android_framework', {
-          'include_dirs': [
-            'external/zlib',
-          ],
-        }],
-      ],
-    },
-  ],
+          }, {  # not skia_zlib_static
+            'type': 'none',
+            'direct_dependent_settings': {
+              'conditions': [
+                [ 'skia_android_framework', {
+                  'include_dirs': [
+                    'external/zlib',
+                  ],
+                }, {
+                  'defines': [
+                    'SK_ZLIB_INCLUDE=<zlib.h>',
+                  ],
+                }]
+              ],
+              'link_settings': {
+                'conditions': [
+                  [ 'skia_os == "mac" or skia_os == "ios"', {
+                    'libraries': [
+                      '$(SDKROOT)/usr/lib/libz.dylib',
+                    ]
+                  }, {  # skia_os != "mac" and skia_os != "ios"
+                    'libraries': [
+                      '-lz',
+                    ]
+                  }],
+                ],
+              }
+            },
+          }
+        ]
+      ]
+    }
+  ]
 }