Enable building pdf_use_skia in the standalone build.

skia/skia_library_opts.gyp

+# Copyright 2013 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.
+
+# This gyp file contains the platform-specific optimizations for Skia
+{
+  'variables': {
+      'skia_src_path': '../third_party/skia/src',
+      'includes': [ '../third_party/skia/gyp/opts.gypi' ],
+      'include_dirs': [
+        '../third_party/skia/include/core',
+        '../third_party/skia/include/effects',
+        '../third_party/skia/include/private',
+        '../third_party/skia/include/utils',
+        '../third_party/skia/src/core',
+        '../third_party/skia/src/opts',
+        '../third_party/skia/src/utils',
+      ],
+   },
+
+  'targets': [
+    # SSE files have to be built in a separate target, because gcc needs
+    # different -msse flags for different SSE levels which enable use of SSE
+    # intrinsics but also allow emission of SSE2 instructions for scalar code.
+    # gyp does not allow per-file compiler flags.
+    # For about the same reason, we need to compile the ARM opts files
+    # separately as well.
+    {
+      'target_name': 'skia_opts',
+      'type': 'static_library',
+      # The optimize: 'max' scattered throughout are particularly
+      # important when compiled by MSVC 2013, which seems
+      # to mis-link-time-compile code that's built with
+      # different optimization levels. http://crbug.com/543583
+      'variables': {
+        'optimize': 'max',
+      },
+      'includes': [
+        'skia_common.gypi',
+      ],
+      'include_dirs': [ '<@(include_dirs)' ],
+      'conditions': [
+        [ 'target_arch != "arm" and target_arch != "mipsel" and \
+           target_arch != "arm64" and target_arch != "mips64el"', {
+          # Chrome builds with -msse2 locally, so sse2_sources could in theory
+          # be in the regular skia target. But we need skia_opts for arm
+          # anyway, so putting sse2_sources here is simpler than making this
+          # conditionally a type none target on x86.
+          'sources': [ '<@(sse2_sources)' ],
+          'dependencies': [
+            'skia_opts_ssse3',
+            'skia_opts_sse41',
+            'skia_opts_sse42',
+            'skia_opts_avx',
+            'skia_opts_avx2',
+          ],
+        }],
+        [ 'target_arch == "arm"', {
+          'conditions': [
+            [ 'arm_version >= 7', {
+              'sources': [ '<@(armv7_sources)' ],
+            }, {  # arm_version < 7
+              'sources': [ '<@(none_sources)' ],
+            }],
+            [ 'arm_version >= 7 and (arm_neon == 1 or arm_neon_optional == 1)', {
+              'dependencies': [
+                'skia_opts_neon',
+              ]
+            }],
+          ],
+          # The assembly uses the frame pointer register (r7 in Thumb/r11 in
+          # ARM), the compiler doesn't like that. Explicitly remove the
+          # -fno-omit-frame-pointer flag for Android, as that gets added to all
+          # targets via common.gypi.
+          'cflags!': [
+            '-fno-omit-frame-pointer',
+            '-marm',
+            '-mapcs-frame',
+          ],
+          'cflags': [
+            '-fomit-frame-pointer',
+          ],
+        }],
+        [ 'target_arch == "mipsel"',{
+          'cflags': [ '-fomit-frame-pointer' ],
+          'conditions': [
+            [ 'mips_dsp_rev >= 1', {
+              'sources': [ '<@(mips_dsp_sources)' ],
+            }, {  # mips_dsp_rev == 0
+              'sources': [ '<@(none_sources)' ],
+            }],
+          ],
+        }],
+        [ 'target_arch == "mips64el"',{
+          'cflags': [ '-fomit-frame-pointer' ],
+          'sources': [ '<@(none_sources)' ],
+        }],
+        [ 'target_arch == "arm64"', {
+          'sources': [ '<@(arm64_sources)' ],
+        }],
+      ],
+    },
+    # For the same lame reasons as what is done for skia_opts, we have to
+    # create another target specifically for SSSE3 code as we would not want
+    # to compile the SSE2 code with -mssse3 which would potentially allow
+    # gcc to generate SSSE3 code.
+    {
+      'target_name': 'skia_opts_ssse3',
+      'type': 'static_library',
+      # The optimize: 'max' scattered throughout are particularly
+      # important when compiled by MSVC 2013, which seems
+      # to mis-link-time-compile code that's built with
+      # different optimization levels. http://crbug.com/543583
+      'variables': {
+        'optimize': 'max',
+      },
+      'includes': [
+        'skia_common.gypi',
+      ],
+      'include_dirs': [ '<@(include_dirs)' ],
+      'conditions': [
+        [ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
+          'cflags': [ '-mssse3' ],
+        }],
+        [ 'OS == "mac"', {
+          'xcode_settings': {
+            'GCC_ENABLE_SUPPLEMENTAL_SSE3_INSTRUCTIONS': 'YES',
+          },
+        }],
+        [ 'OS == "win" and clang == 1', {
+          # cl.exe's /arch flag doesn't have a setting for SSSE3, and cl.exe
+          # doesn't need it for intrinsics. clang-cl does need it, though.
+          'msvs_settings': {
+            'VCCLCompilerTool': { 'AdditionalOptions': [ '-mssse3' ] },
+          },
+        }],
+        [ 'OS == "win"', {
+          'defines' : [ 'SK_CPU_SSE_LEVEL=31' ],
+        }],
+        [ 'target_arch != "arm" and target_arch != "arm64" and \
+           target_arch != "mipsel" and target_arch != "mips64el"', {
+          'sources': [ '<@(ssse3_sources)' ],
+        }],
+      ],
+    },
+    # For the same lame reasons as what is done for skia_opts, we also have to
+    # create another target specifically for SSE4.1 code as we would not want
+    # to compile the SSE2 code with -msse4.1 which would potentially allow
+    # gcc to generate SSE4.1 code.
+    {
+      'target_name': 'skia_opts_sse41',
+      'type': 'static_library',
+      # The optimize: 'max' scattered throughout are particularly
+      # important when compiled by MSVC 2013, which seems
+      # to mis-link-time-compile code that's built with
+      # different optimization levels. http://crbug.com/543583
+      'variables': {
+        'optimize': 'max',
+      },
+      'includes': [
+        'skia_common.gypi',
+      ],
+      'include_dirs': [ '<@(include_dirs)' ],
+      'sources': [ '<@(sse41_sources)' ],
+      'conditions': [
+        [ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
+          'cflags': [ '-msse4.1' ],
+        }],
+        [ 'OS == "mac"', {
+          'xcode_settings': {
+            'GCC_ENABLE_SSE41_EXTENSIONS': 'YES',
+          },
+        }],
+        [ 'OS == "win" and clang == 1', {
+          # cl.exe's /arch flag doesn't have a setting for SSE4.1, and cl.exe
+          # doesn't need it for intrinsics. clang-cl does need it, though.
+          'msvs_settings': {
+            'VCCLCompilerTool': { 'AdditionalOptions': [ '-msse4.1' ] },
+          },
+        }],
+        [ 'OS == "win"', {
+          'defines' : [ 'SK_CPU_SSE_LEVEL=41' ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'skia_opts_sse42',
+      'type': 'static_library',
+      # The optimize: 'max' scattered throughout are particularly
+      # important when compiled by MSVC 2013, which seems
+      # to mis-link-time-compile code that's built with
+      # different optimization levels. http://crbug.com/543583
+      'variables': {
+        'optimize': 'max',
+      },
+      'includes': [
+        'skia_common.gypi',
+      ],
+      'include_dirs': [ '<@(include_dirs)' ],
+      'sources': [ '<@(sse42_sources)' ],
+      'conditions': [
+        [ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
+          'cflags': [ '-msse4.2' ],
+        }],
+        [ 'OS == "mac"', {
+          'xcode_settings': {
+            'GCC_ENABLE_SSE42_EXTENSIONS': 'YES',
+          },
+        }],
+        [ 'OS == "win" and clang == 1', {
+          # cl.exe's /arch flag doesn't have a setting for SSE4.2, and cl.exe
+          # doesn't need it for intrinsics. clang-cl does need it, though.
+          'msvs_settings': {
+            'VCCLCompilerTool': { 'AdditionalOptions': [ '-msse4.2' ] },
+          },
+        }],
+        [ 'OS == "win"', {
+          'defines' : [ 'SK_CPU_SSE_LEVEL=42' ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'skia_opts_avx',
+      'type': 'static_library',
+      # The optimize: 'max' scattered throughout are particularly
+      # important when compiled by MSVC 2013, which seems
+      # to mis-link-time-compile code that's built with
+      # different optimization levels. http://crbug.com/543583
+      'variables': {
+        'optimize': 'max',
+      },
+      'includes': [
+        'skia_common.gypi',
+      ],
+      'include_dirs': [ '<@(include_dirs)' ],
+      'sources': [ '<@(avx_sources)' ],
+      'conditions': [
+        [ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
+          'cflags': [ '-mavx' ],
+        }],
+        [ 'OS == "mac"', {
+          'xcode_settings': {
+            'OTHER_CFLAGS': [ '-mavx' ],
+          },
+        }],
+        [ 'OS == "win"', {
+          'msvs_settings': { 'VCCLCompilerTool': { 'EnableEnhancedInstructionSet': '3' } },
+        }],
+      ],
+    },
+    {
+      'target_name': 'skia_opts_avx2',
+      'type': 'static_library',
+      # The optimize: 'max' scattered throughout are particularly
+      # important when compiled by MSVC 2013, which seems
+      # to mis-link-time-compile code that's built with
+      # different optimization levels. http://crbug.com/543583
+      'variables': {
+        'optimize': 'max',
+      },
+      'includes': [
+        'skia_common.gypi',
+      ],
+      'include_dirs': [ '<@(include_dirs)' ],
+      'sources': [ '<@(avx2_sources)' ],
+      'conditions': [
+        [ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
+          'cflags': [ '-mavx2' ],
+        }],
+        [ 'OS == "mac"', {
+          'xcode_settings': {
+            'OTHER_CFLAGS': [ '-mavx2' ],
+          },
+        }],
+        [ 'OS == "win"', {
+          'msvs_settings': { 'VCCLCompilerTool': { 'EnableEnhancedInstructionSet': '5' } },
+        }],
+      ],
+    },
+    {
+      'target_name': 'skia_opts_none',
+      'type': 'static_library',
+      # The optimize: 'max' scattered throughout are particularly
+      # important when compiled by MSVC 2013, which seems
+      # to mis-link-time-compile code that's built with
+      # different optimization levels. http://crbug.com/543583
+      'variables': {
+        'optimize': 'max',
+      },
+      'includes': [
+        'skia_common.gypi',
+      ],
+      'include_dirs': [ '<@(include_dirs)' ],
+      'sources': [ '<@(none_sources)' ],
+    },
+  ],
+  'conditions': [
+    # NEON code must be compiled with -mfpu=neon which also affects scalar
+    # code. To support dynamic NEON code paths, we need to build all
+    # NEON-specific sources in a separate static library. The situation
+    # is very similar to the SSSE3 one.
+    ['target_arch == "arm" and (arm_neon == 1 or arm_neon_optional == 1)', {
+      'targets': [
+        {
+          'target_name': 'skia_opts_neon',
+          'type': 'static_library',
+          'includes': [
+            'skia_common.gypi',
+          ],
+          'include_dirs': [ '<@(include_dirs)' ],
+          'cflags!': [
+            '-fno-omit-frame-pointer',
+            '-mfpu=vfp',  # remove them all, just in case.
+            '-mfpu=vfpv3',
+            '-mfpu=vfpv3-d16',
+          ],
+          'cflags': [
+            '-mfpu=neon',
+            '-fomit-frame-pointer',
+          ],
+          'ldflags': [
+            '-march=armv7-a',
+            '-Wl,--fix-cortex-a8',
+          ],
+          'sources': [ '<@(neon_sources)' ],
+        },
+      ],
+    }],
+  ],
+}