1865900525
Reason for revert: breaking the nexus_9 and ios builds. Original issue's description: > Enable both static and dynamically linked libpng > > All platforms except android are configured to use the statically linked copy of libpng. Android uses the system provided dynamic copy for SkImageDecoder and the static copy for SkCodec. The exception being android framework builds that currently use the dynamic copy everywhere. > > This CL also enables NEON optimizations for libpng. > > Committed: https://skia.googlesource.com/skia/+/2469c999518e7b0063d35e9e2eb074a0477c21ac TBR=scroggo@google.com,msarett@google.com NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true Review URL: https://codereview.chromium.org/1050183002
251 lines
9.6 KiB
Python
251 lines
9.6 KiB
Python
# Copyright 2012 The Android Open Source Project
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#
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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{
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# Get ready for the ugly...
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#
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# - We have to nest our variables dictionaries multiple levels deep, so that
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# this and other gyp files can rely on previously-set variable values in
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# their 'variables': { 'conditions': [] } clauses.
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#
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# Example 1:
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# Within this file, we use the value of variable 'skia_os' to set the
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# value of variable 'os_posix', so 'skia_os' must be defined within a
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# "more inner" (enclosed) scope than 'os_posix'.
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#
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# Example 2:
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# http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libjpeg/libjpeg.gyp?revision=102306 ,
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# which we currently import into our build, uses the value of 'os_posix'
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# within the 'conditions' list in its 'variables' dict.
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# In order for that to work, it needs the value of 'os_posix' to have been
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# set within a "more inner" (enclosed) scope than its own 'variables' dict.
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#
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# - On the other hand, key/value pairs of a given 'variable' dict are only
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# inherited by:
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# 1. directly enclosing 'variable' dicts, and
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# 2. "sibling" 'variable' dicts (which, I guess, are combined into a single
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# 'variable' dict during gyp processing)
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# and NOT inherited by "uncles" (siblings of directly enclosing 'variable'
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# dicts), so we have to re-define every variable at every enclosure level
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# within our ridiculous matryoshka doll of 'variable' dicts. That's why
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# we have variable definitions like this: 'skia_os%': '<(skia_os)',
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#
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# See http://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi?revision=127004 ,
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# which deals with these same constraints in a similar manner.
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#
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'variables': { # level 1
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'variables': { # level 2
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# Variables needed by conditions list within the level-2 variables dict.
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'variables': { # level 3
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'variables': { # level 4
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# We use 'skia_os' instead of 'OS' throughout our gyp files, to allow
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# for cross-compilation (e.g. building for either MacOS or iOS on Mac).
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# We set it automatically based on 'OS' (the host OS), but allow the
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# user to override it via GYP_DEFINES if they like.
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'skia_os%': '<(OS)',
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},
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'skia_os%': '<(skia_os)',
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'skia_android_framework%': 0,
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'conditions' : [
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[ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "mac"]', {
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'skia_arch_type%': 'x86_64',
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}, {
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'skia_arch_type%': 'x86',
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}],
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],
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'arm_version%': 0,
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'arm_neon%': 0,
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'skia_egl%': 0,
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},
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# Re-define all variables defined within the level-3 'variables' dict,
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# so that siblings of the level-2 'variables' dict can see them.
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# (skia_os will depend on skia_android_framework.)
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'skia_android_framework%': '<(skia_android_framework)',
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'skia_arch_type%': '<(skia_arch_type)',
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'arm_version%': '<(arm_version)',
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'arm_neon%': '<(arm_neon)',
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'skia_egl%': '<(skia_egl)',
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'conditions': [
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[ 'skia_android_framework == 1', {
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'skia_os%': 'android',
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'skia_chrome_utils%': 0,
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'skia_use_system_json%': 1,
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}, {
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'skia_os%': '<(skia_os)',
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'skia_chrome_utils%': 1,
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'skia_use_system_json%': 0,
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}],
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[ 'skia_os == "win"', {
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'os_posix%': 0,
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}, {
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'os_posix%': 1,
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}],
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['"64" in skia_arch_type', {
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'skia_arch_width%': 64,
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}, {
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'skia_arch_width%': 32,
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}],
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[ 'skia_os == "android"', {
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'skia_static_initializers%': 0,
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'skia_egl%': 1,
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}, {
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'skia_static_initializers%': 1,
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}],
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[ 'skia_os == "ios"', {
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'skia_arch_type%': 'arm',
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'arm_version%': 7,
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'arm_neon%': 0, # neon asm files known not to work with the ios build
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}],
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[ 'skia_os == "nacl"', {
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'skia_egl%': 1,
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}],
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[ 'skia_os in ["android", "nacl"] and not skia_android_framework',
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# skia_freetype_static - on OS variants that normally would
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# dynamically link the system FreeType library, don't do
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# that; instead statically link to the version in
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# third_party/freetype and third_party/externals/freetype.
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{
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'skia_freetype_static%': '1',
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}, {
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'skia_freetype_static%': '0',
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}
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],
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],
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# skia_no_fontconfig - On POSIX systems that would normally use the
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# SkFontHost_fontconfig interface; use the SkFontHost_linux
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# version instead.
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'skia_no_fontconfig%': '0',
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'skia_embedded_fonts%': '0',
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'skia_sanitizer%': '',
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'skia_scalar%': 'float',
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'skia_mesa%': 0,
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'skia_gpu_extra_dependency_path%': '',
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'skia_stroke_path_rendering%': 0,
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'skia_android_path_rendering%': 0,
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'skia_resource_cache_mb_limit%': 0,
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'skia_resource_cache_count_limit%': 0,
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'skia_angle%': 0,
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'skia_gdi%': 0,
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'skia_gpu%': 1,
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'skia_osx_deployment_target%': '',
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'skia_profile_enabled%': 0,
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'skia_win_debuggers_path%': '',
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'skia_shared_lib%': 0,
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'skia_opencl%': 0,
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'skia_force_distance_field_text%': 0,
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# These variables determine the default optimization level for different
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# compilers.
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'skia_default_vs_optimization_level': 3, # full (/Ox)
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'skia_default_gcc_optimization_level': 3, # -O3
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},
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'conditions': [
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[ 'skia_os in ["mac", "linux", "freebsd", "openbsd", "solaris", "android", "win"] '
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'and skia_android_framework == 0', {
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'skia_warnings_as_errors%': 1,
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}, {
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'skia_warnings_as_errors%': 0,
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}],
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# This variable allows the user to customize the optimization level used
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# by the compiler. The user should be aware that this has different
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# meanings for different compilers and should exercise caution when
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# overriding it.
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[ 'skia_os == "win"', {
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'skia_release_optimization_level%': '<(skia_default_vs_optimization_level)',
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}, {
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'skia_release_optimization_level%': '<(skia_default_gcc_optimization_level)',
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}],
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[ 'skia_os == "android"', {
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# skia_libpng_static - instead of linking libpng with '-lpng' and
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# including the headers from '/usr/include/png.h', compile and
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# statically link the version of libpng in
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# third_party/externals/libpng.
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'skia_libpng_static%': '0',
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}, {
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'skia_libpng_static%': '1',
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}],
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[ 'skia_sanitizer', {
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'skia_clang_build': 1,
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'skia_keep_frame_pointer': 1,
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}, {
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'skia_clang_build%': 0,
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'skia_keep_frame_pointer%': 0,
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}],
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[ 'skia_shared_lib or skia_sanitizer or skia_os == "android"', {
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'skia_pic%' : 1,
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}, {
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'skia_pic%' : 0,
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}
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],
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],
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# Re-define all variables defined within the level-2 'variables' dict,
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# so that siblings of the level-1 'variables' dict can see them.
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'arm_version%': '<(arm_version)',
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'arm_neon%': '<(arm_neon)',
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'arm_neon_optional%': 0,
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'mips_arch_variant%': 'mips32',
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'mips_dsp%': 0,
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'skia_os%': '<(skia_os)',
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'os_posix%': '<(os_posix)',
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'skia_freetype_static%': '<(skia_freetype_static)',
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'skia_no_fontconfig%': '<(skia_no_fontconfig)',
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'skia_embedded_fonts%': '<(skia_embedded_fonts)',
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'skia_sanitizer%': '<(skia_sanitizer)',
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'skia_scalar%': '<(skia_scalar)',
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'skia_mesa%': '<(skia_mesa)',
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'skia_gpu_extra_dependency_path%': '<(skia_gpu_extra_dependency_path)',
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'skia_stroke_path_rendering%': '<(skia_stroke_path_rendering)',
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'skia_android_framework%': '<(skia_android_framework)',
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'skia_use_system_json%': '<(skia_use_system_json)',
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'skia_android_path_rendering%': '<(skia_android_path_rendering)',
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'skia_resource_cache_mb_limit%': '<(skia_resource_cache_mb_limit)',
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'skia_resource_cache_count_limit%': '<(skia_resource_cache_count_limit)',
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'skia_angle%': '<(skia_angle)',
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'skia_arch_width%': '<(skia_arch_width)',
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'skia_arch_type%': '<(skia_arch_type)',
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'skia_chrome_utils%': '<(skia_chrome_utils)',
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'skia_gdi%': '<(skia_gdi)',
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'skia_gpu%': '<(skia_gpu)',
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'skia_win_exceptions%': 0,
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'skia_win_ltcg%': 1,
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'skia_osx_deployment_target%': '<(skia_osx_deployment_target)',
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'skia_profile_enabled%': '<(skia_profile_enabled)',
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'skia_shared_lib%': '<(skia_shared_lib)',
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'skia_opencl%': '<(skia_opencl)',
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'skia_force_distance_field_text%': '<(skia_force_distance_field_text)',
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'skia_static_initializers%': '<(skia_static_initializers)',
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'ios_sdk_version%': '6.0',
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'skia_win_debuggers_path%': '<(skia_win_debuggers_path)',
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'skia_run_pdfviewer_in_gm%': 0,
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'skia_disable_inlining%': 0,
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'skia_moz2d%': 0,
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'skia_is_bot%': '<!(python -c "import os; print os.environ.get(\'CHROME_HEADLESS\', 0)")',
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'skia_egl%': '<(skia_egl)',
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'skia_fast%': 0,
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'skia_fast_flags': [
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'-O3', # Even for Debug builds.
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'-march=native', # Use all features of and optimize for THIS machine.
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'-fomit-frame-pointer', # Sometimes an extra register is nice, and cuts a push/pop.
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'-ffast-math', # Optimize float math even when it breaks IEEE compliance.
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#'-flto' # Enable link-time optimization.
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],
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# These are referenced by our .gypi files that list files (e.g. core.gypi)
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#
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'skia_src_path%': '../src',
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'skia_include_path%': '../include',
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},
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}
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