6b7e0e2c74
This is mainly for getting ready to start adding lots of metal backend code. I've also update the "gpu tools" target to require ARC with involved updating one IOS file in there. Bug: skia: Change-Id: Ied22e8fe7532445cc274efb529e3450654a6614b Reviewed-on: https://skia-review.googlesource.com/22484 Commit-Queue: Greg Daniel <egdaniel@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
447 lines
12 KiB
Plaintext
447 lines
12 KiB
Plaintext
# Copyright 2016 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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declare_args() {
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extra_asmflags = []
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extra_cflags = []
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extra_cflags_c = []
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extra_cflags_cc = []
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extra_ldflags = []
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malloc = ""
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}
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is_clang = is_android || is_ios || is_mac || (cc == "clang" && cxx == "clang++")
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if (!is_clang && !is_win) {
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is_clang = exec_script("is_clang.py",
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[
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cc,
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cxx,
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],
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"value")
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}
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if (is_ios) {
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if (is_tvos) {
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sdk = "appletvos"
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if (target_cpu == "x86" || target_cpu == "x64") {
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sdk = "appletvsimulator"
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}
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} else {
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sdk = "iphoneos"
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if (target_cpu == "x86" || target_cpu == "x64") {
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sdk = "iphonesimulator"
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}
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}
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ios_sysroot = exec_script("find_ios_sysroot.py", [ sdk ], "trim string")
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}
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config("default") {
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asmflags = []
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cflags = []
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cflags_c = []
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cflags_cc = []
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defines = []
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ldflags = []
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libs = []
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if (is_win) {
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cflags += [
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"/FS", # Preserve previous PDB behavior.
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"/bigobj", # Some of our files are bigger than the regular limits.
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"/WX", # Treat warnings as errors.
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"/utf-8", # Set Source and Executable character sets to UTF-8.
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]
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defines += [
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"_CRT_SECURE_NO_WARNINGS", # Disables warnings about sscanf().
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"_HAS_EXCEPTIONS=0", # Disables exceptions in MSVC STL.
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"WIN32_LEAN_AND_MEAN",
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"NOMINMAX",
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]
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include_dirs = [
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#2017
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"$windk/VC/Tools/MSVC/14.10.25017/include",
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#2015
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"$windk/VC/include",
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# For local builds.
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# 2017
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"$windk/../../../Windows Kits/10/Include/10.0.14393.0/shared",
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"$windk/../../../Windows Kits/10/Include/10.0.14393.0/ucrt",
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"$windk/../../../Windows Kits/10/Include/10.0.14393.0/um",
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"$windk/../../../Windows Kits/10/Include/10.0.14393.0/winrt",
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# 2015
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"$windk/../Windows Kits/8.1/Include/shared",
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"$windk/../Windows Kits/10/Include/10.0.10150.0/ucrt",
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"$windk/../Windows Kits/8.1/Include/um",
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"$windk/../Windows Kits/8.1/Include/winrt",
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# For builds using win_toolchain asset.
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"$windk/win_sdk/Include/10.0.14393.0/shared",
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"$windk/win_sdk/Include/10.0.14393.0/ucrt",
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"$windk/win_sdk/Include/10.0.14393.0/um",
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"$windk/win_sdk/Include/10.0.14393.0/winrt",
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]
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lib_dirs = [
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# For local builds.
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# 2017
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"$windk/../../../Windows Kits/10/Lib/10.0.14393.0/ucrt/$target_cpu",
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"$windk/../../../Windows Kits/10/Lib/10.0.14393.0/um/$target_cpu",
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#2015
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"$windk/../Windows Kits/10/Lib/10.0.10150.0/ucrt/$target_cpu",
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"$windk/../Windows Kits/8.1/Lib/winv6.3/um/$target_cpu",
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# For builds using win_toolchain asset.
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"$windk/win_sdk/Lib/10.0.14393.0/ucrt/$target_cpu",
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"$windk/win_sdk/Lib/10.0.14393.0/um/$target_cpu",
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]
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#2017
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lib_dirs += [ "$windk/VC/Tools/MSVC/14.10.25017/lib/$target_cpu" ]
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#2015
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if (target_cpu == "x86") {
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lib_dirs += [ "$windk/VC/lib" ]
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} else {
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lib_dirs += [ "$windk/VC/lib/amd64" ]
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}
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} else {
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cflags += [
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"-fstrict-aliasing",
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"-fPIC",
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"-Werror",
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]
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cflags_cc += [ "-std=c++11" ]
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# The main idea is to slim the exported API, but these flags also improve link time on Mac.
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# These would make stack traces worse on Linux, so we don't just set them willy-nilly.
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if (is_component_build || is_ios || is_mac) {
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cflags += [ "-fvisibility=hidden" ]
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cflags_cc += [ "-fvisibility-inlines-hidden" ]
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}
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}
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if (current_cpu == "arm") {
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cflags += [
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"-march=armv7-a",
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"-mfpu=neon",
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"-mthumb",
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]
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} else if (current_cpu == "mipsel") {
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cflags += [ "-march=mips32r2" ]
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} else if (current_cpu == "mips64el") {
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asmflags += [ "-integrated-as" ]
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cflags += [ "-integrated-as" ]
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} else if (current_cpu == "x86" && !is_win) {
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asmflags += [ "-m32" ]
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cflags += [
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"-m32",
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"-msse2",
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"-mfpmath=sse",
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]
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ldflags += [ "-m32" ]
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}
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if (malloc != "" && !is_win) {
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cflags += [
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"-fno-builtin-malloc",
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"-fno-builtin-calloc",
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"-fno-builtin-realloc",
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"-fno-builtin-free",
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]
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libs += [ malloc ]
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}
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if (is_android) {
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asmflags += [ "--target=$ndk_target" ]
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cflags += [
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"--sysroot=$ndk/sysroot",
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"-isystem$ndk/sysroot/usr/include/$ndk_target",
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"-D__ANDROID_API__=$ndk_api",
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"--target=$ndk_target",
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]
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cflags_cc += [
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"-isystem$ndk/sources/android/support/include",
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"-isystem$ndk/sources/cxx-stl/gnu-libstdc++/4.9/include",
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"-isystem$ndk/sources/cxx-stl/gnu-libstdc++/4.9/libs/$ndk_stdlib/include",
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]
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ldflags += [
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"--sysroot=$ndk/platforms/$ndk_platform",
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"--target=$ndk_target",
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"-B$ndk/toolchains/$ndk_gccdir-4.9/prebuilt/$ndk_host/$ndk_target/bin",
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]
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lib_dirs = [
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"$ndk/sources/cxx-stl/gnu-libstdc++/4.9/libs/$ndk_stdlib",
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"$ndk/toolchains/$ndk_gccdir-4.9/prebuilt/$ndk_host/lib/gcc/$ndk_target/4.9.x",
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]
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if (current_cpu == "mips64el") {
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# The r15b NDK deployed on our bots fails to find /usr/lib64 in the
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# MIPS64 sysroots, so we must point Clang at /usr/lib64 manually.
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lib_dirs += [ "$ndk/platforms/$ndk_platform/usr/lib64" ]
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ldflags += [ "-B$ndk/platforms/$ndk_platform/usr/lib64" ]
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}
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libs += [ "gnustl_static" ]
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}
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if (is_ios) {
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_target = target_cpu
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if (target_cpu == "arm") {
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_target = "armv7"
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} else if (target_cpu == "x86") {
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_target = "i386"
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} else if (target_cpu == "x64") {
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_target = "x86_64"
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}
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asmflags += [
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"-isysroot",
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ios_sysroot,
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"-arch",
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_target,
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]
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cflags += [
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"-isysroot",
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ios_sysroot,
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"-arch",
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_target,
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]
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cflags_cc += [ "-stdlib=libc++" ]
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ldflags += [
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"-isysroot",
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ios_sysroot,
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"-arch",
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_target,
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"-stdlib=libc++",
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]
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libs += [ "objc" ]
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}
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if (is_linux) {
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libs += [ "pthread" ]
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}
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if (sanitize != "") {
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# You can either pass the sanitizers directly, e.g. "address,undefined",
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# or pass one of the couple common aliases used by the bots.
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sanitizers = sanitize
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if (sanitize == "ASAN") {
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sanitizers = "address,bool,function,integer-divide-by-zero,nonnull-attribute,null,object-size,return,returns-nonnull-attribute,shift,signed-integer-overflow,unreachable,vla-bound,vptr"
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} else if (sanitize == "TSAN") {
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sanitizers = "thread"
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} else if (sanitize == "MSAN") {
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sanitizers = "memory"
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}
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cflags += [
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"-fsanitize=$sanitizers",
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"-fno-sanitize-recover=$sanitizers",
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"-fsanitize-blacklist=" + rebase_path("../tools/xsan.blacklist"),
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]
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ldflags += [ "-fsanitize=$sanitizers" ]
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if (sanitizers == "memory") {
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cflags += [ "-fsanitize-memory-track-origins" ]
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cflags_cc += [ "-stdlib=libc++" ]
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ldflags += [ "-stdlib=libc++" ]
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}
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}
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}
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config("no_exceptions") {
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# Exceptions are disabled by default on Windows. (Use /EHsc to enable them.)
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if (!is_win) {
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cflags_cc = [ "-fno-exceptions" ]
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}
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}
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config("warnings") {
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cflags = []
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cflags_cc = []
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cflags_objc = []
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cflags_objcc = []
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if (is_win) {
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cflags += [
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"/W3", # Turn on lots of warnings.
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# Disable a bunch of warnings:
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"/wd4244", # conversion from 'float' to 'int', possible loss of data
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"/wd4267", # conversion from 'size_t' to 'int', possible loss of data
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"/wd4800", # forcing value to bool 'true' or 'false' (performance warning)
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# Probably only triggers when /EHsc is enabled.
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"/wd4291", # no matching operator delete found;
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# memory will not be freed if initialization throws an exception
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]
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} else {
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cflags += [
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"-Wall",
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"-Wextra",
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"-Winit-self",
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"-Wpointer-arith",
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"-Wsign-compare",
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"-Wvla",
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"-Wno-deprecated-declarations",
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"-Wno-maybe-uninitialized",
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]
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cflags_cc += [ "-Wnon-virtual-dtor" ]
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if (is_clang) {
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cflags += [
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"-Weverything",
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"-Wno-unknown-warning-option", # Let older Clangs ignore newer Clangs' warnings.
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]
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if ((target_cpu == "x86" && is_android) ||
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(target_cpu == "arm" && is_ios)) {
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# Clang seems to think new/malloc will only be 4-byte aligned on x86 Android and 32-bit iOS.
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# We're pretty sure it's actually 8-byte alignment.
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cflags += [ "-Wno-over-aligned" ]
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}
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cflags += [
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"-Wno-cast-align",
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"-Wno-conditional-uninitialized",
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"-Wno-conversion",
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"-Wno-disabled-macro-expansion",
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"-Wno-documentation",
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"-Wno-documentation-unknown-command",
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"-Wno-double-promotion",
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"-Wno-exit-time-destructors", # TODO: OK outside libskia
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"-Wno-float-conversion",
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"-Wno-float-equal",
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"-Wno-format-nonliteral",
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"-Wno-global-constructors", # TODO: OK outside libskia
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"-Wno-gnu-zero-variadic-macro-arguments",
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"-Wno-missing-prototypes",
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"-Wno-missing-variable-declarations",
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"-Wno-pedantic",
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"-Wno-reserved-id-macro",
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"-Wno-shadow",
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"-Wno-shift-sign-overflow",
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"-Wno-sign-conversion",
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"-Wno-signed-enum-bitfield",
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"-Wno-switch-enum",
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"-Wno-undef",
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"-Wno-unreachable-code",
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"-Wno-unreachable-code-break",
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"-Wno-unreachable-code-return",
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"-Wno-unused-macros",
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"-Wno-unused-member-function",
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]
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cflags_cc += [
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"-Wno-abstract-vbase-init",
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"-Wno-weak-vtables",
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]
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# We are unlikely to want to fix these.
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cflags += [
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"-Wno-covered-switch-default",
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"-Wno-deprecated",
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"-Wno-implicit-fallthrough",
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"-Wno-missing-noreturn",
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"-Wno-old-style-cast",
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"-Wno-padded",
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]
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cflags_cc += [
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"-Wno-c++98-compat",
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"-Wno-c++98-compat-pedantic",
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"-Wno-undefined-func-template",
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]
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cflags_objc += [
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"-Wno-direct-ivar-access",
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"-Wno-objc-interface-ivars",
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]
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cflags_objcc += [
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"-Wno-direct-ivar-access",
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"-Wno-objcc-interface-ivars",
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]
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}
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}
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}
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config("warnings_except_public_headers") {
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if (!is_win) {
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cflags = [ "-Wno-unused-parameter" ]
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}
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}
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config("extra_flags") {
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asmflags = extra_asmflags
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cflags = extra_cflags
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cflags_c = extra_cflags_c
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cflags_cc = extra_cflags_cc
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ldflags = extra_ldflags
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}
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config("debug_symbols") {
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# It's annoying to wait for full debug symbols to push over
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# to Android devices. -gline-tables-only is a lot slimmer.
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if (is_android) {
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cflags = [ "-gline-tables-only" ]
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} else if (is_win) {
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cflags = [ "/Zi" ]
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ldflags = [ "/DEBUG" ]
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} else {
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cflags = [ "-g" ]
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}
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}
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config("no_rtti") {
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if (sanitize != "ASAN") { # -fsanitize=vptr requires RTTI
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if (is_win) {
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cflags_cc = [ "/GR-" ]
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} else {
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cflags_cc = [ "-fno-rtti" ]
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}
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}
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}
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config("release") {
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if (is_win) {
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cflags = [
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"/O2",
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"/Zc:inline",
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"/GS-",
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]
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ldflags = [
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"/OPT:ICF",
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"/OPT:REF",
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]
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} else {
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cflags = [
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"-O3",
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"-fdata-sections",
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"-ffunction-sections",
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]
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if (is_mac || is_ios) {
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ldflags = [ "-dead_strip" ]
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} else {
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ldflags = [ "-Wl,--gc-sections" ]
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}
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}
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defines = [ "NDEBUG" ]
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}
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config("executable") {
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if (is_android) {
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ldflags = [ "-pie" ]
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} else if (is_mac) {
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ldflags = [ "-Wl,-rpath,@loader_path/." ]
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} else if (is_linux) {
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ldflags = [
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"-rdynamic",
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"-Wl,-rpath,\$ORIGIN",
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]
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} else if (is_win) {
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ldflags = [
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"/SUBSYSTEM:CONSOLE", # Quiet "no subsystem specified; CONSOLE assumed".
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"/INCREMENTAL:NO", # Quiet warnings about failing to incrementally link by never trying to.
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]
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}
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}
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