# 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': [
      ['OS == "linux" and chromeos==0', {
        'use_system_libexif%': 1,
      }, {  # OS != "linux" and chromeos==0
        'use_system_libexif%': 0,
      }],
    ],
  },
  'conditions': [
    ['use_system_libexif==0', {
      'targets': [
        {
          'target_name': 'libexif',
          'type': 'loadable_module',
          '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',
            ],
          },
          'variables': {
            'clang_warning_flags': [
              '-Wno-enum-conversion',
              '-Wno-switch',
              '-Wno-format',
              # libexif uses fabs(int) to cast to float.
              '-Wno-absolute-value',
            ],
          },
          'conditions': [
            ['os_posix==1 and OS!="mac"', {
              'cflags!': ['-fvisibility=hidden'],
              'libraries': ['-lm'],
            }],
            ['OS=="mac"', {
              'conditions': [
               ['mac_breakpad==1', {
                  'variables': {
                    'mac_real_dsym': 1,
                  },
               }],
              ],
              'xcode_settings': {
                'GCC_SYMBOLS_PRIVATE_EXTERN': 'NO', # no -fvisibility=hidden
              },
            }],
            ['OS=="win"', {
              'product_name': 'libexif',
              'sources': [
                'libexif.def',
              ],
              'conditions': [
                ['MSVS_VERSION < "2015"', {
                  'defines': [
                    # This seems like a hack, but this is what Safari Win does.
                    # Luckily it is no longer needed/allowed with VS 2015.
                    'snprintf=_snprintf',
                  ],
                }],
              ],
              'defines': [
                'inline=__inline',
              ],
              'msvs_disabled_warnings': [
                4018, # size/unsigned mismatch
                4267, # size_t -> ExifLong truncation on amd64
              ],
              # As of VS 2013 Update 3, building this project with /analyze hits
              # an internal compiler error on exif-entry.c. This halts the build
              # and prevents subsequent analysis. Therefore, /analyze is
              # disabled for this project. See this bug for details:
              # https://connect.microsoft.com/VisualStudio/feedback/details/1014689/internal-compiler-error
              'msvs_settings': {
                'VCCLCompilerTool': {
                  'AdditionalOptions!': [ '/analyze:WX-' ]
                },
              },
            }],
          ],
        },
      ],
    }, { # 'use_system_libexif!=0
      'targets': [
        {
          'target_name': 'libexif',
          'type': 'none',
          'direct_dependent_settings': {
            'cflags': [
                '<!@(<(pkg-config) --cflags libexif)',
            ],
            'defines': [
              'USE_SYSTEM_LIBEXIF',
            ],
          },
        }
      ],
    }],
  ]
}