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- # Copyright 2018 Google Inc.
- #
- # Use of this source code is governed by a BSD-style license that can be
- # found in the LICENSE file.
- import("../third_party.gni")
- third_party("wuffs") {
- public_include_dirs = [ "../externals/wuffs/release/c" ]
- defines = [
- # Copy/pasting from "../externals/wuffs/release/c/wuffs-*.c":
- #
- # ----
- #
- # Wuffs ships as a "single file C library" or "header file library" as per
- # https://github.com/nothings/stb/blob/master/docs/stb_howto.txt
- #
- # To use that single file as a "foo.c"-like implementation, instead of a
- # "foo.h"-like header, #define WUFFS_IMPLEMENTATION before #include'ing or
- # compiling it.
- #
- # ----
- "WUFFS_IMPLEMENTATION",
- # Continuing to copy/paste:
- #
- # ----
- #
- # Defining the WUFFS_CONFIG__MODULE* macros are optional, but it lets users
- # of Wuffs' .c file whitelist which parts of Wuffs to build. That file
- # contains the entire Wuffs standard library, implementing a variety of
- # codecs and file formats. Without this macro definition, an optimizing
- # compiler or linker may very well discard Wuffs code for unused codecs,
- # but listing the Wuffs modules we use makes that process explicit.
- # Preprocessing means that such code simply isn't compiled.
- #
- # ----
- #
- # For Skia, we're only interested in particular image codes (e.g. GIF) and
- # their dependencies (e.g. BASE, LZW).
- "WUFFS_CONFIG__MODULES",
- "WUFFS_CONFIG__MODULE__BASE",
- "WUFFS_CONFIG__MODULE__GIF",
- "WUFFS_CONFIG__MODULE__LZW",
- ]
- sources = [
- "../externals/wuffs/release/c/wuffs-v0.2.c",
- ]
- }
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