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52 lines
1.6 KiB
52 lines
1.6 KiB
4 months ago
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# Copyright 2018 Google Inc.
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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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import("../third_party.gni")
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third_party("wuffs") {
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public_include_dirs = [ "../externals/wuffs/release/c" ]
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defines = [
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# Copy/pasting from "../externals/wuffs/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 whitelist 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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sources = [
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"../externals/wuffs/release/c/wuffs-v0.2.c",
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]
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}
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