Reland 142154: Adds libexif gyp file to third_party to handle image metadata.

libexif source files are added to deps/third_party/libexif(r141967). This change doesn't make us use the library yet, that will be the next step. This is a no-op change from the point of view of the build.

Please find the previous review comments at http://codereview.chromium.org/10391195.

BUG=none
TEST=none
TBR=thestig@chromium.org


Review URL: https://chromiumcodereview.appspot.com/10562037

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@142799 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 129 insertions, 0 deletions

diff --git a/third_party/libexif/libexif.gyp b/third_party/libexif/libexif.gyp
new file mode 100644
index 0000000..20aa227
--- /dev/null
+++ b/third_party/libexif/libexif.gyp
@@ -0,0 +1,129 @@
+# 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': [
+      # TODO(kmadhusu): We are not ready to build this library on Android.
+      # Resolve the issues and build on Android.
+      ['os_posix==1 and OS!="mac"', {
+        'use_system_libexif%': 0,
+      }, {  # os_posix != 1 or OS == "mac"
+        'use_system_libexif%': 0,
+      }],
+    ],
+  },
+  'conditions': [
+    ['use_system_libexif==0', {
+      'targets': [
+        {
+          'target_name': 'libexif',
+          'type': 'shared_library',
+          'product_name': 'exif',
+          'sources': [
+            'sources/libexif/exif-byte-order.c',
+            'sources/libexif/exif-content.c',
+            'sources/libexif/exif-data.c',
+            'sources/libexif/exif-entry.c',
+            'sources/libexif/exif-format.c',
+            'sources/libexif/exif-ifd.c',
+            'sources/libexif/exif-loader.c',
+            'sources/libexif/exif-log.c',
+            'sources/libexif/exif-mem.c',
+            'sources/libexif/exif-mnote-data.c',
+            'sources/libexif/exif-tag.c',
+            'sources/libexif/exif-utils.c',
+            'sources/libexif/canon/exif-mnote-data-canon.c',
+            'sources/libexif/canon/mnote-canon-entry.c',
+            'sources/libexif/canon/mnote-canon-tag.c',
+            'sources/libexif/fuji/exif-mnote-data-fuji.c',
+            'sources/libexif/fuji/mnote-fuji-entry.c',
+            'sources/libexif/fuji/mnote-fuji-tag.c',
+            'sources/libexif/olympus/exif-mnote-data-olympus.c',
+            'sources/libexif/olympus/mnote-olympus-entry.c',
+            'sources/libexif/olympus/mnote-olympus-tag.c',
+            'sources/libexif/pentax/exif-mnote-data-pentax.c',
+            'sources/libexif/pentax/mnote-pentax-entry.c',
+            'sources/libexif/pentax/mnote-pentax-tag.c',
+          ],
+          'include_dirs': [
+            'sources',
+          ],
+          'direct_dependent_settings': {
+            'include_dirs': [
+              'sources',
+            ],
+          },
+          'conditions': [
+            ['os_posix==1 and OS!="mac"', {
+              'cflags!': ['-fvisibility=hidden'],
+            }],
+            ['OS=="mac"', {
+              'conditions': [
+               ['mac_breakpad==1', {
+                  'variables': {
+                    'mac_real_dsym': 1,
+                  },
+               }],
+             ],
+             'xcode_settings': {
+                'GCC_SYMBOLS_PRIVATE_EXTERN': 'NO', # no -fvisibility=hidden
+                # TODO(kmadhusu): Copy this dylib to Versions folder.
+                # (Do something similar to libplugin_carbon_interpose.dylib).
+                'DYLIB_INSTALL_NAME_BASE': '@executable_path/../../..',
+              },
+            }],
+            ['OS=="win"', {
+              'product_name': 'libexif',
+              'msvs_settings': {
+                'VCLinkerTool': {
+                  'ModuleDefinitionFile': 'libexif.def',
+                },
+              },
+              'defines': [
+                # This seems like a hack, but this is what WebKit Win does.
+                'snprintf=_snprintf',
+                'inline=__inline',
+              ],
+            }],
+          ],
+        },
+      ],
+    }, { # 'use_system_libexif==0
+      'conditions': [
+        ['sysroot!=""', {
+          'variables': {
+            'pkg-config': '../../build/linux/pkg-config-wrapper "<(sysroot)" "<(target_arch)"',
+          },
+        }, {
+          'variables': {
+            'pkg-config': 'pkg-config'
+          },
+        }],
+      ],
+      'targets': [
+        {
+          'target_name': 'libexif',
+          'type': 'none',
+          'direct_dependent_settings': {
+            'cflags': [
+                '<!@(<(pkg-config) --cflags libexif)',
+            ],
+            'defines': [
+              'USE_SYSTEM_LIBEXIF',
+            ],
+          },
+          'link_settings': {
+            'ldflags': [
+              '<!@(<(pkg-config) --libs-only-L --libs-only-other libexif)',
+            ],
+            'libraries': [
+              '<!@(<(pkg-config) --libs-only-l libexif)',
+            ],
+          },
+        }
+      ],
+    }],
+  ]
+}