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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
config("libpng_config") {
include_dirs = [ "." ]
defines = [
"CHROME_PNG_WRITE_SUPPORT",
"PNG_USER_CONFIG",
]
if (is_android) {
#'toolsets': ['target', 'host'],
defines += [ "CHROME_PNG_READ_PACK_SUPPORT" ] # Required by freetype.
}
if (is_win) {
if (is_component_build) {
defines += [
"PNG_USE_DLL",
"PNG_NO_MODULEDEF",
]
}
}
}
# Must be in a config because of how GN orders flags (otherwise -Wall will
# appear after this, and turn it back on).
config("clang_warnings") {
if (is_clang) {
# Upstream uses self-assignment to avoid warnings.
cflags = [ "-Wno-self-assign" ]
}
}
source_set("libpng_sources") {
sources = [
"png.c",
"png.h",
"pngconf.h",
"pngerror.c",
"pnggccrd.c",
"pngget.c",
"pngmem.c",
"pngpread.c",
"pngread.c",
"pngrio.c",
"pngrtran.c",
"pngrutil.c",
"pngset.c",
"pngtrans.c",
"pngusr.h",
"pngvcrd.c",
"pngwio.c",
"pngwrite.c",
"pngwtran.c",
"pngwutil.c",
]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
if (is_win && is_component_build) {
defines = [ "PNG_BUILD_DLL" ]
}
public_configs = [ ":libpng_config" ]
public_deps = [
"//third_party/zlib",
]
configs += [ ":clang_warnings" ]
}
if (is_win) {
component("libpng") {
public_deps = [
":libpng_sources",
]
}
} else {
group("libpng") {
public_deps = [
":libpng_sources",
]
}
}
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