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- # 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.
- import("//build/config/compiler/compiler.gni")
- if (build_with_chromium) {
- import("//testing/test.gni")
- }
- if (current_cpu == "arm" || current_cpu == "arm64") {
- import("//build/config/arm.gni")
- }
- config("zlib_config") {
- include_dirs = [ "." ]
- }
- config("zlib_internal_config") {
- defines = [ "ZLIB_IMPLEMENTATION" ]
- if (!is_debug) {
- # Build code using -O3, see: crbug.com/1084371.
- configs = [ "//build/config/compiler:optimize_speed" ]
- }
- if (is_debug || use_libfuzzer) {
- # Enable zlib's asserts in debug and fuzzer builds.
- defines += [ "ZLIB_DEBUG" ]
- }
- if (is_win && !is_clang) {
- # V8 supports building with msvc, these silence some warnings that
- # causes compilation to fail (https://crbug.com/1255096).
- cflags = [
- "/wd4244",
- "/wd4100",
- "/wd4702",
- "/wd4127",
- ]
- }
- }
- source_set("zlib_common_headers") {
- visibility = [ ":*" ]
- sources = [
- "chromeconf.h",
- "deflate.h",
- "inffast.h",
- "inffixed.h",
- "inflate.h",
- "inftrees.h",
- "zconf.h",
- "zlib.h",
- "zutil.h",
- ]
- }
- use_arm_neon_optimizations = false
- if ((current_cpu == "arm" || current_cpu == "arm64") &&
- !(is_win && !is_clang)) {
- # TODO(richard.townsend@arm.com): Optimizations temporarily disabled for
- # Windows on Arm MSVC builds, see http://crbug.com/v8/10012.
- if (arm_use_neon) {
- use_arm_neon_optimizations = true
- }
- }
- use_x86_x64_optimizations =
- (current_cpu == "x86" || current_cpu == "x64") && !is_ios
- config("zlib_adler32_simd_config") {
- if (use_x86_x64_optimizations) {
- defines = [ "ADLER32_SIMD_SSSE3" ]
- if (is_win) {
- defines += [ "X86_WINDOWS" ]
- } else {
- defines += [ "X86_NOT_WINDOWS" ]
- }
- }
- if (use_arm_neon_optimizations) {
- defines = [ "ADLER32_SIMD_NEON" ]
- }
- }
- source_set("zlib_adler32_simd") {
- visibility = [ ":*" ]
- if (use_x86_x64_optimizations) {
- sources = [
- "adler32_simd.c",
- "adler32_simd.h",
- ]
- if (!is_win || is_clang) {
- cflags = [ "-mssse3" ]
- }
- }
- if (use_arm_neon_optimizations) {
- sources = [
- "adler32_simd.c",
- "adler32_simd.h",
- ]
- }
- configs += [ ":zlib_internal_config" ]
- public_configs = [ ":zlib_adler32_simd_config" ]
- public_deps = [ ":zlib_common_headers" ]
- }
- if (use_arm_neon_optimizations) {
- config("zlib_arm_crc32_config") {
- # Disabled for iPhone, 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."
- if (!is_ios) {
- defines = [ "CRC32_ARMV8_CRC32" ]
- if (is_android) {
- defines += [ "ARMV8_OS_ANDROID" ]
- } else if (is_linux || is_chromeos) {
- defines += [ "ARMV8_OS_LINUX" ]
- } else if (is_mac) {
- defines += [ "ARMV8_OS_MACOS" ]
- } else if (is_fuchsia) {
- defines += [ "ARMV8_OS_FUCHSIA" ]
- } else if (is_win) {
- defines += [ "ARMV8_OS_WINDOWS" ]
- } else {
- assert(false, "Unsupported ARM OS")
- }
- }
- }
- source_set("zlib_arm_crc32") {
- visibility = [ ":*" ]
- if (!is_ios) {
- include_dirs = [ "." ]
- if (!is_win && !is_clang) {
- assert(!use_thin_lto,
- "ThinLTO fails mixing different module-level targets")
- cflags_c = [ "-march=armv8-a+crc" ]
- }
- sources = [
- "crc32_simd.c",
- "crc32_simd.h",
- ]
- }
- configs += [ ":zlib_internal_config" ]
- public_configs = [ ":zlib_arm_crc32_config" ]
- public_deps = [ ":zlib_common_headers" ]
- }
- }
- config("zlib_inflate_chunk_simd_config") {
- if (use_x86_x64_optimizations) {
- defines = [ "INFLATE_CHUNK_SIMD_SSE2" ]
- if (current_cpu == "x64") {
- defines += [ "INFLATE_CHUNK_READ_64LE" ]
- }
- }
- if (use_arm_neon_optimizations) {
- defines = [ "INFLATE_CHUNK_SIMD_NEON" ]
- if (current_cpu == "arm64") {
- defines += [ "INFLATE_CHUNK_READ_64LE" ]
- }
- }
- }
- source_set("zlib_inflate_chunk_simd") {
- visibility = [ ":*" ]
- if (use_x86_x64_optimizations || use_arm_neon_optimizations) {
- include_dirs = [ "." ]
- sources = [
- "contrib/optimizations/chunkcopy.h",
- "contrib/optimizations/inffast_chunk.c",
- "contrib/optimizations/inffast_chunk.h",
- "contrib/optimizations/inflate.c",
- ]
- }
- configs += [ ":zlib_internal_config" ]
- # Needed for MSVC, which is still supported by V8 and PDFium. zlib uses K&R C
- # style function declarations, which triggers warning C4131.
- configs -= [ "//build/config/compiler:chromium_code" ]
- configs += [ "//build/config/compiler:no_chromium_code" ]
- configs += [ ":zlib_warnings" ]
- public_configs = [ ":zlib_inflate_chunk_simd_config" ]
- public_deps = [ ":zlib_common_headers" ]
- }
- config("zlib_crc32_simd_config") {
- if (use_x86_x64_optimizations) {
- defines = [ "CRC32_SIMD_SSE42_PCLMUL" ]
- }
- }
- source_set("zlib_crc32_simd") {
- visibility = [ ":*" ]
- if (use_x86_x64_optimizations) {
- sources = [
- "crc32_simd.c",
- "crc32_simd.h",
- "crc_folding.c",
- ]
- if (!is_win || is_clang) {
- cflags = [
- "-msse4.2",
- "-mpclmul",
- ]
- }
- }
- configs += [ ":zlib_internal_config" ]
- public_configs = [ ":zlib_crc32_simd_config" ]
- public_deps = [ ":zlib_common_headers" ]
- }
- config("zlib_slide_hash_simd_config") {
- if (use_x86_x64_optimizations) {
- defines = [ "DEFLATE_SLIDE_HASH_SSE2" ]
- }
- if (use_arm_neon_optimizations) {
- defines = [ "DEFLATE_SLIDE_HASH_NEON" ]
- }
- }
- source_set("zlib_slide_hash_simd") {
- visibility = [ ":*" ]
- if (use_x86_x64_optimizations) {
- sources = [ "slide_hash_simd.h" ]
- }
- if (use_arm_neon_optimizations) {
- sources = [ "slide_hash_simd.h" ]
- }
- configs += [ ":zlib_internal_config" ]
- public_configs = [ ":zlib_slide_hash_simd_config" ]
- public_deps = [ ":zlib_common_headers" ]
- }
- config("zlib_warnings") {
- if (is_clang) {
- cflags = [
- "-Wno-deprecated-non-prototype",
- "-Wno-incompatible-pointer-types",
- "-Wunused-variable",
- ]
- }
- }
- component("zlib") {
- if (!is_win) {
- # Don't stomp on "libzlib" on other platforms.
- output_name = "chrome_zlib"
- }
- sources = [
- "adler32.c",
- "chromeconf.h",
- "compress.c",
- "contrib/optimizations/insert_string.h",
- "cpu_features.c",
- "cpu_features.h",
- "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.h",
- "inftrees.c",
- "inftrees.h",
- "trees.c",
- "trees.h",
- "uncompr.c",
- "zconf.h",
- "zlib.h",
- "zutil.c",
- "zutil.h",
- ]
- defines = []
- deps = []
- if (!use_x86_x64_optimizations && !use_arm_neon_optimizations) {
- # Apparently android_cronet bot builds with NEON disabled and
- # we also should disable optimizations for iOS@x86 (a.k.a. simulator).
- defines += [ "CPU_NO_SIMD" ]
- }
- if (is_ios) {
- # iOS@ARM is a special case where we always have NEON but don't check
- # for crypto extensions.
- # TODO(cavalcantii): verify what is the current state of CPU features
- # shipped on latest iOS devices.
- defines += [ "ARM_OS_IOS" ]
- }
- if (use_x86_x64_optimizations || use_arm_neon_optimizations) {
- deps += [
- ":zlib_adler32_simd",
- ":zlib_inflate_chunk_simd",
- ":zlib_slide_hash_simd",
- ]
- if (use_x86_x64_optimizations) {
- deps += [ ":zlib_crc32_simd" ]
- } else if (use_arm_neon_optimizations) {
- deps += [ ":zlib_arm_crc32" ]
- }
- } else {
- sources += [ "inflate.c" ]
- }
- if (is_android) {
- import("//build/config/android/config.gni")
- if (defined(android_ndk_root) && android_ndk_root != "") {
- deps += [ "//third_party/android_ndk:cpu_features" ]
- } else {
- assert(false, "CPU detection requires the Android NDK")
- }
- }
- configs -= [ "//build/config/compiler:chromium_code" ]
- configs += [ "//build/config/compiler:no_chromium_code" ]
- public_configs = [ ":zlib_config" ]
- configs += [
- ":zlib_internal_config",
- # Must be after no_chromium_code for warning flags to be ordered correctly.
- ":zlib_warnings",
- ]
- allow_circular_includes_from = deps
- }
- config("minizip_warnings") {
- visibility = [ ":*" ]
- if (is_clang) {
- cflags = [
- # zlib uses `if ((a == b))` for some reason.
- "-Wno-parentheses-equality",
- "-Wno-deprecated-non-prototype",
- ]
- }
- }
- 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_apple || 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" ]
- public_configs = [ ":zlib_config" ]
- configs += [
- # Must be after no_chromium_code for warning flags to be ordered correctly.
- ":minizip_warnings",
- ]
- }
- 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" ]
- }
- deps = [ ":zlib" ]
- configs -= [ "//build/config/compiler:chromium_code" ]
- configs += [ "//build/config/compiler:no_chromium_code" ]
- }
- if (!is_win || target_os != "winuwp") {
- executable("minizip_bin") {
- include_dirs = [ "." ]
- sources = [ "contrib/minizip/minizip.c" ]
- if (is_clang) {
- cflags = [
- "-Wno-incompatible-pointer-types-discards-qualifiers",
- "-Wno-deprecated-non-prototype",
- ]
- }
- if (!is_debug) {
- configs -= [ "//build/config/compiler:default_optimization" ]
- configs += [ "//build/config/compiler:optimize_speed" ]
- }
- deps = [ ":minizip" ]
- configs -= [ "//build/config/compiler:chromium_code" ]
- configs += [ "//build/config/compiler:no_chromium_code" ]
- }
- executable("miniunz_bin") {
- include_dirs = [ "." ]
- sources = [ "contrib/minizip/miniunz.c" ]
- if (is_clang) {
- cflags = [
- "-Wno-incompatible-pointer-types-discards-qualifiers",
- "-Wno-deprecated-non-prototype",
- ]
- }
- if (!is_debug) {
- configs -= [ "//build/config/compiler:default_optimization" ]
- configs += [ "//build/config/compiler:optimize_speed" ]
- }
- deps = [ ":minizip" ]
- configs -= [ "//build/config/compiler:chromium_code" ]
- configs += [ "//build/config/compiler:no_chromium_code" ]
- }
- }
- if (build_with_chromium) {
- test("zlib_unittests") {
- testonly = true
- sources = [
- "contrib/tests/infcover.cc",
- "contrib/tests/infcover.h",
- "contrib/tests/run_all_unittests.cc",
- "contrib/tests/utils_unittest.cc",
- "google/compression_utils_unittest.cc",
- "google/zip_reader_unittest.cc",
- "google/zip_unittest.cc",
- ]
- data = [ "google/test/data/" ]
- deps = [
- ":zlib",
- "google:compression_utils",
- "google:zip",
- "//base/test:test_support",
- "//testing/gtest",
- ]
- configs -= [ "//build/config/compiler:chromium_code" ]
- configs += [ "//build/config/compiler:no_chromium_code" ]
- include_dirs = [
- "//third_party/googletest/src/googletest/include/gtest",
- ".",
- "google",
- ]
- }
- }
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