261 lines
8.2 KiB
Go
261 lines
8.2 KiB
Go
// Copyright 2016 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package config
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import (
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"fmt"
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"runtime"
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"strings"
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"android/soong/android"
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)
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var (
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// Flags used by lots of devices. Putting them in package static variables
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// will save bytes in build.ninja so they aren't repeated for every file
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commonGlobalCflags = []string{
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"-DANDROID",
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"-fmessage-length=0",
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"-W",
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"-Wall",
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"-Wno-unused",
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"-Winit-self",
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"-Wpointer-arith",
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// Make paths in deps files relative
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"-no-canonical-prefixes",
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"-fno-canonical-system-headers",
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"-DNDEBUG",
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"-UDEBUG",
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"-fno-exceptions",
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"-Wno-multichar",
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"-O2",
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"-g",
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"-fno-strict-aliasing",
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}
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commonGlobalConlyflags = []string{}
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deviceGlobalCflags = []string{
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"-fdiagnostics-color",
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"-ffunction-sections",
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"-fdata-sections",
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"-fno-short-enums",
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"-funwind-tables",
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"-fstack-protector-strong",
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"-Wa,--noexecstack",
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"-D_FORTIFY_SOURCE=2",
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"-Wstrict-aliasing=2",
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"-Werror=return-type",
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"-Werror=non-virtual-dtor",
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"-Werror=address",
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"-Werror=sequence-point",
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"-Werror=date-time",
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"-Werror=format-security",
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}
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deviceGlobalCppflags = []string{
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"-fvisibility-inlines-hidden",
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}
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deviceGlobalLdflags = []string{
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"-Wl,-z,noexecstack",
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"-Wl,-z,relro",
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"-Wl,-z,now",
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"-Wl,--build-id=md5",
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"-Wl,--warn-shared-textrel",
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"-Wl,--fatal-warnings",
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"-Wl,--no-undefined-version",
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}
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hostGlobalCflags = []string{}
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hostGlobalCppflags = []string{}
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hostGlobalLdflags = []string{}
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commonGlobalCppflags = []string{
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"-Wsign-promo",
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}
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noOverrideGlobalCflags = []string{
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"-Werror=int-to-pointer-cast",
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"-Werror=pointer-to-int-cast",
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}
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IllegalFlags = []string{
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"-w",
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}
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CStdVersion = "gnu99"
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CppStdVersion = "gnu++14"
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GccCppStdVersion = "gnu++11"
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ExperimentalCStdVersion = "gnu11"
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ExperimentalCppStdVersion = "gnu++1z"
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NdkMaxPrebuiltVersionInt = 24
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// prebuilts/clang default settings.
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ClangDefaultBase = "prebuilts/clang/host"
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ClangDefaultVersion = "clang-4393122"
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ClangDefaultShortVersion = "5.0.1"
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WarningAllowedProjects = []string{
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"external/libese/third_party/NXPNFC_P61_JCOP_Kit/",
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"external/skia/",
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"device/",
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"frameworks/av/media/libeffects/factory/",
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"frameworks/av/media/libstagefright/codecs/",
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"frameworks/native/libs/vr/libbufferhub/",
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"vendor/",
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}
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// Some Android.mk files still have warnings.
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WarningAllowedOldProjects = []string{
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"frameworks/av/drm/mediacas/plugins/",
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"frameworks/av/services/mediaextractor/",
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"frameworks/webview/chromium/",
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"hardware/libhardware/modules/",
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"hardware/qcom/",
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"tools/adt/idea/android/ultimate/get_modification_time/jni/",
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}
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)
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var pctx = android.NewPackageContext("android/soong/cc/config")
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func init() {
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if android.BuildOs == android.Linux {
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commonGlobalCflags = append(commonGlobalCflags, "-fdebug-prefix-map=/proc/self/cwd=")
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}
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pctx.StaticVariable("CommonGlobalCflags", strings.Join(commonGlobalCflags, " "))
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pctx.StaticVariable("CommonGlobalConlyflags", strings.Join(commonGlobalConlyflags, " "))
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pctx.StaticVariable("DeviceGlobalCflags", strings.Join(deviceGlobalCflags, " "))
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pctx.StaticVariable("DeviceGlobalCppflags", strings.Join(deviceGlobalCppflags, " "))
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pctx.StaticVariable("DeviceGlobalLdflags", strings.Join(deviceGlobalLdflags, " "))
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pctx.StaticVariable("HostGlobalCflags", strings.Join(hostGlobalCflags, " "))
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pctx.StaticVariable("HostGlobalCppflags", strings.Join(hostGlobalCppflags, " "))
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pctx.StaticVariable("HostGlobalLdflags", strings.Join(hostGlobalLdflags, " "))
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pctx.StaticVariable("NoOverrideGlobalCflags", strings.Join(noOverrideGlobalCflags, " "))
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pctx.StaticVariable("CommonGlobalCppflags", strings.Join(commonGlobalCppflags, " "))
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pctx.StaticVariable("CommonClangGlobalCflags",
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strings.Join(append(ClangFilterUnknownCflags(commonGlobalCflags), "${ClangExtraCflags}"), " "))
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pctx.StaticVariable("DeviceClangGlobalCflags",
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strings.Join(append(ClangFilterUnknownCflags(deviceGlobalCflags), "${ClangExtraTargetCflags}"), " "))
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pctx.StaticVariable("HostClangGlobalCflags",
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strings.Join(ClangFilterUnknownCflags(hostGlobalCflags), " "))
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pctx.StaticVariable("NoOverrideClangGlobalCflags",
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strings.Join(append(ClangFilterUnknownCflags(noOverrideGlobalCflags), "${ClangExtraNoOverrideCflags}"), " "))
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pctx.StaticVariable("CommonClangGlobalCppflags",
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strings.Join(append(ClangFilterUnknownCflags(commonGlobalCppflags), "${ClangExtraCppflags}"), " "))
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// Everything in these lists is a crime against abstraction and dependency tracking.
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// Do not add anything to this list.
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pctx.PrefixedExistentPathsForSourcesVariable("CommonGlobalIncludes", "-I",
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[]string{
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"system/core/include",
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"system/media/audio/include",
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"hardware/libhardware/include",
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"hardware/libhardware_legacy/include",
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"hardware/ril/include",
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"libnativehelper/include",
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"frameworks/native/include",
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"frameworks/native/opengl/include",
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"frameworks/av/include",
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})
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// This is used by non-NDK modules to get jni.h. export_include_dirs doesn't help
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// with this, since there is no associated library.
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pctx.PrefixedExistentPathsForSourcesVariable("CommonNativehelperInclude", "-I",
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[]string{"libnativehelper/include_jni"})
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pctx.SourcePathVariable("ClangDefaultBase", ClangDefaultBase)
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pctx.VariableFunc("ClangBase", func(config android.Config) (string, error) {
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if override := config.Getenv("LLVM_PREBUILTS_BASE"); override != "" {
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return override, nil
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}
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return "${ClangDefaultBase}", nil
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})
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pctx.VariableFunc("ClangVersion", func(config android.Config) (string, error) {
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if override := config.Getenv("LLVM_PREBUILTS_VERSION"); override != "" {
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return override, nil
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}
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return ClangDefaultVersion, nil
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})
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pctx.StaticVariable("ClangPath", "${ClangBase}/${HostPrebuiltTag}/${ClangVersion}")
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pctx.StaticVariable("ClangBin", "${ClangPath}/bin")
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pctx.VariableFunc("ClangShortVersion", func(config android.Config) (string, error) {
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if override := config.Getenv("LLVM_RELEASE_VERSION"); override != "" {
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return override, nil
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}
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return ClangDefaultShortVersion, nil
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})
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pctx.StaticVariable("ClangAsanLibDir", "${ClangPath}/lib64/clang/${ClangShortVersion}/lib/linux")
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if runtime.GOOS == "darwin" {
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pctx.StaticVariable("LLVMGoldPlugin", "${ClangPath}/lib64/LLVMgold.dylib")
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} else {
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pctx.StaticVariable("LLVMGoldPlugin", "${ClangPath}/lib64/LLVMgold.so")
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}
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// These are tied to the version of LLVM directly in external/llvm, so they might trail the host prebuilts
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// being used for the rest of the build process.
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pctx.SourcePathVariable("RSClangBase", "prebuilts/clang/host")
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pctx.SourcePathVariable("RSClangVersion", "clang-3289846")
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pctx.SourcePathVariable("RSReleaseVersion", "3.8")
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pctx.StaticVariable("RSLLVMPrebuiltsPath", "${RSClangBase}/${HostPrebuiltTag}/${RSClangVersion}/bin")
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pctx.StaticVariable("RSIncludePath", "${RSLLVMPrebuiltsPath}/../lib64/clang/${RSReleaseVersion}/include")
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pctx.PrefixedExistentPathsForSourcesVariable("RsGlobalIncludes", "-I",
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[]string{
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"external/clang/lib/Headers",
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"frameworks/rs/script_api/include",
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})
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pctx.VariableFunc("CcWrapper", func(config android.Config) (string, error) {
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if override := config.Getenv("CC_WRAPPER"); override != "" {
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return override + " ", nil
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}
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return "", nil
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})
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}
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var HostPrebuiltTag = pctx.VariableConfigMethod("HostPrebuiltTag", android.Config.PrebuiltOS)
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func bionicHeaders(kernelArch string) string {
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return strings.Join([]string{
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"-isystem bionic/libc/include",
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"-isystem bionic/libc/kernel/uapi",
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"-isystem bionic/libc/kernel/uapi/asm-" + kernelArch,
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"-isystem bionic/libc/kernel/android/scsi",
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"-isystem bionic/libc/kernel/android/uapi",
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}, " ")
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}
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func replaceFirst(slice []string, from, to string) {
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if slice[0] != from {
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panic(fmt.Errorf("Expected %q, found %q", from, to))
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}
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slice[0] = to
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}
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