50 lines
2.0 KiB
Python
50 lines
2.0 KiB
Python
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# This file will be copied into //third_party/externals/wuffs via the new_local_repository
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# rule in WORKSPACE.bazel, so all files should be relative to that path.
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cc_library(
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name = "wuffs",
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# We list this file both as a source file and a header file because it will be
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# compiled for symbols *and* included as a header file.
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srcs = ["release/c/wuffs-v0.3.c"],
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# Thankfully, Bazel doesn't mind a .c file being declared as a public "header".
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hdrs = ["release/c/wuffs-v0.3.c"],
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local_defines = [
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# Copy/pasting from "release/c/wuffs-*.c":
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#
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# ----
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#
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# Wuffs ships as a "single file C library" or "header file library" as per
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# https://github.com/nothings/stb/blob/master/docs/stb_howto.txt
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#
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# To use that single file as a "foo.c"-like implementation, instead of a
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# "foo.h"-like header, #define WUFFS_IMPLEMENTATION before #include'ing or
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# compiling it.
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#
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# ----
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"WUFFS_IMPLEMENTATION",
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# Continuing to copy/paste:
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#
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# ----
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#
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# Defining the WUFFS_CONFIG__MODULE* macros are optional, but it lets users
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# of Wuffs' .c file specify which parts of Wuffs to build. That file
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# contains the entire Wuffs standard library, implementing a variety of
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# codecs and file formats. Without this macro definition, an optimizing
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# compiler or linker may very well discard Wuffs code for unused codecs,
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# but listing the Wuffs modules we use makes that process explicit.
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# Preprocessing means that such code simply isn't compiled.
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#
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# ----
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#
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# For Skia, we're only interested in particular image codes (e.g. GIF) and
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# their dependencies (e.g. BASE, LZW).
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"WUFFS_CONFIG__MODULES",
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"WUFFS_CONFIG__MODULE__BASE",
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"WUFFS_CONFIG__MODULE__GIF",
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"WUFFS_CONFIG__MODULE__LZW",
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],
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strip_include_prefix = "release/c/",
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visibility = ["//visibility:public"],
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)
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