Build Skia for a bare-bones embedded Linux system.

gyp/libzlib.gyp

+# 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': 'libzlib',
+      'conditions': [
+        ['skia_zlib_static', {
+          'type': 'static_library',
+          'include_dirs': [
+            '../third_party/externals/zlib',
+          ],
+          'direct_dependent_settings': {
+            'defines': [
+              'SK_ZLIB_INCLUDE=<zlib.h>',
+            ],
+            'include_dirs': [
+              '../third_party/externals/zlib',
+            ],
+          },
+          'sources': [
+            '../third_party/externals/zlib/adler32.c',
+            '../third_party/externals/zlib/compress.c',
+            '../third_party/externals/zlib/crc32.c',
+            '../third_party/externals/zlib/deflate.c',
+            '../third_party/externals/zlib/gzclose.c',
+            '../third_party/externals/zlib/gzlib.c',
+            '../third_party/externals/zlib/gzread.c',
+            '../third_party/externals/zlib/gzwrite.c',
+            '../third_party/externals/zlib/infback.c',
+            '../third_party/externals/zlib/inffast.c',
+            '../third_party/externals/zlib/inflate.c',
+            '../third_party/externals/zlib/inftrees.c',
+            '../third_party/externals/zlib/trees.c',
+            '../third_party/externals/zlib/uncompr.c',
+            '../third_party/externals/zlib/zutil.c',
+          ],
+        }, {
+          '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',
+                  ]
+                }, {
+                  'libraries': [
+                    '-lz',
+                  ]
+                }],
+              ],
+            }
+          },
+        }]
+      ]
+    }
+  ]
+}