8ed49ea6e3
This ports the third_party BUILD.gn files related to codecs (with a best-effort on arm/SIMD stuff). This includes: - libpng - libjpeg-turbo - libwebp - wuffs (gif) - libgifcodec - dng_sdk and piex (raw codec) This expands the string_flag_with_values macro to allow multiple values to be set at once. This was added in Bazel 5.0.0, however the latest pre-release version of that has a bug [1] which slows down compilation dramatically. This was fixed at ToT, but not released. As a result, I started using the Bazel 6 pre-release (via bazelisk). The macro select_multi makes writing select() where multiple elements could be on possible/easier. One can try compiling certain codecs by running: bazel build :skia-core --config clang --include_codec=raw_codec --include_codec=png_codec Suggested Review Order: - bazel/macros.bzl - bazel/common_config_settings/defs.bzl and its BUILD.bazel to see how the codec options are defined. - BUILD.bazel to see how the codec settings are used. - src/codec/BUILD.bazel to see the inclusion of Skia files to deal with specific codecs. - third_party/BUILD.bazel (while referencing the corresponding BUILD.gn files, such as third_party/libwebp/BUILD.gn) - Everything else. Change-Id: I797375a35fa345d9835e7b2a2ab23371c45953c3 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/469456 Reviewed-by: Leandro Lovisolo <lovisolo@google.com> Reviewed-by: Ben Wagner <bungeman@google.com> Reviewed-by: Leon Scroggins <scroggo@google.com>
14 lines
713 B
Plaintext
14 lines
713 B
Plaintext
build:clang --crosstool_top=//toolchain:clang_suite
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build:clang --compiler=clang
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# Use the default Bazel C++ toolchain to build the tools used during the build.
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build:clang --host_crosstool_top=@bazel_tools//tools/cpp:toolchain
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# =============================================================================
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# Alias to build configurations below. This makes configuring things from
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# the command line easier.
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build --flag_alias=fontmgr=//bazel/common_config_settings:fontmgr
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build --flag_alias=gpu_backend=//bazel/common_config_settings:gpu_backend
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build --flag_alias=include_codec=//bazel/common_config_settings:include_codec
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build --flag_alias=with_gl_standard=//bazel/common_config_settings:with_gl_standard
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