blob: 902e287f8a0a8923444794b49bc31d78e4d8dd08 [file] [log] [blame]
# Copyright (c) 2013 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.
if (current_cpu == "arm" || current_cpu == "arm64") {
import("//build/config/arm.gni")
}
config("zlib_config") {
include_dirs = [ "." ]
}
config("zlib_adler32_simd_config") {
if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
defines = [ "ADLER32_SIMD_SSSE3" ]
}
if (current_cpu == "arm" || current_cpu == "arm64") {
if (arm_use_neon) {
defines = [ "ADLER32_SIMD_NEON" ]
}
}
}
source_set("zlib_adler32_simd") {
visibility = [ ":*" ]
if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
sources = [
"adler32_simd.c",
"adler32_simd.h",
]
if (!is_win || is_clang) {
cflags = [ "-mssse3" ]
}
}
if (current_cpu == "arm" || current_cpu == "arm64") {
if (arm_use_neon) {
sources = [
"adler32_simd.c",
"adler32_simd.h",
]
if (!is_debug) {
# Use optimize_speed (-O3) to output the _smallest_ code.
configs -= [ "//build/config/compiler:default_optimization" ]
configs += [ "//build/config/compiler:optimize_speed" ]
}
}
}
public_configs = [ ":zlib_adler32_simd_config" ]
}
config("zlib_arm_crc32_config") {
if (current_cpu == "arm" || current_cpu == "arm64") {
# Restrictions:
# - Disabled for iPhones, as described in DDI0487C_a_armv8_arm:
# "All implementations of the ARMv8.1 architecture are required to
# implement the CRC32* instructions. These are optional in ARMv8.0."
# - ChromeOS has wrapper scripts that are borking the compiler flags.
# - Fuchsia just added a syscall for feature detection.
# TODO(cavalcantii): crbug.com/810125.
if (!is_ios && !is_chromeos && !is_fuchsia) {
defines = [ "CRC32_ARMV8_CRC32" ]
if (is_android) {
defines += [ "ARMV8_OS_ANDROID" ]
} else if (is_linux || is_chromeos) {
defines += [ "ARMV8_OS_LINUX" ]
}
}
}
}
if (current_cpu == "arm" || current_cpu == "arm64") {
source_set("zlib_arm_crc32") {
visibility = [ ":*" ]
if (!is_ios && !is_chromeos && !is_fuchsia) {
include_dirs = [ "." ]
if (is_android) {
import("//build/config/android/config.gni")
if (defined(android_ndk_root) && android_ndk_root != "") {
deps = [
"//third_party/android_tools:cpu_features",
]
}
}
sources = [
"arm_features.c",
"arm_features.h",
"crc32_simd.c",
"crc32_simd.h",
]
if (!is_win || is_clang) {
cflags_c = [ "-march=armv8-a+crc" ]
}
if (!is_debug) {
configs -= [ "//build/config/compiler:default_optimization" ]
configs += [ "//build/config/compiler:optimize_speed" ]
}
}
public_configs = [ ":zlib_arm_crc32_config" ]
}
}
config("zlib_inflate_chunk_simd_config") {
if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
defines = [ "INFLATE_CHUNK_SIMD_SSE2" ]
if (current_cpu == "x64") {
defines += [ "INFLATE_CHUNK_READ_64LE" ]
}
}
if (current_cpu == "arm" || current_cpu == "arm64") {
if (arm_use_neon) {
defines = [ "INFLATE_CHUNK_SIMD_NEON" ]
}
}
}
source_set("zlib_inflate_chunk_simd") {
visibility = [ ":*" ]
if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
include_dirs = [ "." ]
sources = [
"contrib/optimizations/chunkcopy.h",
"contrib/optimizations/inffast_chunk.c",
"contrib/optimizations/inffast_chunk.h",
"contrib/optimizations/inflate.c",
]
}
if (current_cpu == "arm" || current_cpu == "arm64") {
if (arm_use_neon) {
include_dirs = [ "." ]
sources = [
"contrib/optimizations/chunkcopy.h",
"contrib/optimizations/inffast_chunk.c",
"contrib/optimizations/inffast_chunk.h",
"contrib/optimizations/inflate.c",
]
if (!is_debug) {
# Here we trade better performance on newer/bigger ARMv8 cores
# for less perf on ARMv7. For details, check:
# https://bugs.chromium.org/p/chromium/issues/detail?id=772870#c40
configs -= [ "//build/config/compiler:default_optimization" ]
configs += [ "//build/config/compiler:optimize_speed" ]
}
}
}
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
public_configs = [ ":zlib_inflate_chunk_simd_config" ]
}
config("zlib_crc32_simd_config") {
if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
defines = [ "CRC32_SIMD_SSE42_PCLMUL" ]
}
}
source_set("zlib_crc32_simd") {
visibility = [ ":*" ]
if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
sources = [
"crc32_simd.c",
"crc32_simd.h",
]
if (!is_win || is_clang) {
cflags = [
"-msse4.2",
"-mpclmul",
]
}
}
public_configs = [ ":zlib_crc32_simd_config" ]
}
static_library("zlib_x86_simd") {
visibility = [ ":*" ]
if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
sources = [
"crc_folding.c",
"fill_window_sse.c",
]
if (!is_win || is_clang) {
cflags = [
"-msse4.2",
"-mpclmul",
]
}
} else {
sources = [
"simd_stub.c",
]
}
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
}
config("zlib_warnings") {
if (is_clang && !is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
cflags = [ "-Wno-incompatible-pointer-types" ]
}
}
static_library("zlib") {
if (!is_win) {
# Don't stomp on "libzlib" on other platforms.
output_name = "chrome_zlib"
}
sources = [
"adler32.c",
"compress.c",
"crc32.c",
"crc32.h",
"deflate.c",
"deflate.h",
"gzclose.c",
"gzguts.h",
"gzlib.c",
"gzread.c",
"gzwrite.c",
"infback.c",
"inffast.c",
"inffast.h",
"inffixed.h",
"inflate.c",
"inflate.h",
"inftrees.c",
"inftrees.h",
"names.h",
"trees.c",
"trees.h",
"uncompr.c",
"x86.h",
"zconf.h",
"zlib.h",
"zutil.c",
"zutil.h",
]
defines = []
deps = []
if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
deps += [ ":zlib_crc32_simd" ]
deps += [ ":zlib_adler32_simd" ]
sources += [ "x86.c" ]
deps += [ ":zlib_inflate_chunk_simd" ]
sources -= [ "inflate.c" ]
}
if (current_cpu == "arm" || current_cpu == "arm64") {
if (arm_use_neon) {
deps += [ ":zlib_adler32_simd" ]
deps += [ ":zlib_arm_crc32" ]
deps += [ ":zlib_inflate_chunk_simd" ]
sources -= [ "inflate.c" ]
}
}
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [
"//build/config/compiler:no_chromium_code",
# Must be after no_chromium_code for warning flags to be ordered correctly.
":zlib_warnings",
]
public_configs = [ ":zlib_config" ]
deps += [ ":zlib_x86_simd" ]
}
config("minizip_warnings") {
visibility = [ ":*" ]
if (is_clang) {
# zlib uses `if ((a == b))` for some reason.
cflags = [ "-Wno-parentheses-equality" ]
}
}
static_library("minizip") {
sources = [
"contrib/minizip/ioapi.c",
"contrib/minizip/ioapi.h",
"contrib/minizip/iowin32.c",
"contrib/minizip/iowin32.h",
"contrib/minizip/unzip.c",
"contrib/minizip/unzip.h",
"contrib/minizip/zip.c",
"contrib/minizip/zip.h",
]
if (!is_win) {
sources -= [
"contrib/minizip/iowin32.c",
"contrib/minizip/iowin32.h",
]
}
if (is_mac || is_ios || is_android || is_nacl) {
# Mac, Android and the BSDs don't have fopen64, ftello64, or fseeko64. We
# use fopen, ftell, and fseek instead on these systems.
defines = [ "USE_FILE32API" ]
}
deps = [
":zlib",
]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [
"//build/config/compiler:no_chromium_code",
# Must be after no_chromium_code for warning flags to be ordered correctly.
":minizip_warnings",
]
public_configs = [ ":zlib_config" ]
}
executable("zlib_bench") {
include_dirs = [ "." ]
sources = [
"contrib/bench/zlib_bench.cc",
]
if (!is_debug) {
configs -= [ "//build/config/compiler:default_optimization" ]
configs += [ "//build/config/compiler:optimize_speed" ]
}
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
deps = [
":zlib",
]
}