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124 lines
2.8 KiB
124 lines
2.8 KiB
// Copyright (C) 2016 The Android Open Source Project
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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 llvm
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import (
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"android/soong/android"
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"android/soong/cc"
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"github.com/google/blueprint/proptools"
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)
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func globalFlags(ctx android.LoadHookContext) []string {
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var cflags []string
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if ctx.Config().IsEnvTrue("FORCE_BUILD_LLVM_DISABLE_NDEBUG") {
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cflags = append(cflags, "-D_DEBUG", "-UNDEBUG")
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}
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return cflags
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}
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func deviceFlags(ctx android.LoadHookContext) []string {
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var cflags []string
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return cflags
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}
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func hostFlags(ctx android.LoadHookContext) []string {
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var cflags []string
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if ctx.Config().IsEnvTrue("FORCE_BUILD_LLVM_DEBUG") {
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cflags = append(cflags, "-O0", "-g")
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}
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return cflags
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}
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func llvmDefaults(ctx android.LoadHookContext) {
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type props struct {
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Target struct {
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Android struct {
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Cflags []string
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Enabled *bool
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}
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Host struct {
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Enabled *bool
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}
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Not_windows struct {
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Cflags []string
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}
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}
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Cflags []string
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}
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p := &props{}
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p.Cflags = globalFlags(ctx)
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p.Target.Android.Cflags = deviceFlags(ctx)
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// Mingw fails to link binaries with lots of debug information
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p.Target.Not_windows.Cflags = hostFlags(ctx)
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if ctx.Config().IsEnvTrue("DISABLE_LLVM_DEVICE_BUILDS") {
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p.Target.Android.Enabled = proptools.BoolPtr(false)
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}
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ctx.AppendProperties(p)
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}
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func forceBuildLlvmComponents(ctx android.LoadHookContext) {
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forceBuild := false
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if ctx.Config().IsEnvTrue("FORCE_BUILD_LLVM_COMPONENTS") {
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forceBuild = true
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}
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if len(ctx.Config().SanitizeHost()) > 0 {
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forceBuild = true
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}
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if !forceBuild {
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type props struct {
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Target struct {
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Host struct {
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Enabled *bool
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}
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Linux_bionic_arm64 struct {
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Enabled *bool
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}
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}
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}
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p := &props{}
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p.Target.Host.Enabled = proptools.BoolPtr(false)
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p.Target.Linux_bionic_arm64.Enabled = proptools.BoolPtr(true)
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ctx.AppendProperties(p)
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}
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}
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func init() {
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android.RegisterModuleType("llvm_defaults", llvmDefaultsFactory)
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android.RegisterModuleType("force_build_llvm_components_defaults", forceBuildLlvmComponentsDefaultsFactory)
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}
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func llvmDefaultsFactory() android.Module {
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module := cc.DefaultsFactory()
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android.AddLoadHook(module, llvmDefaults)
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return module
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}
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func forceBuildLlvmComponentsDefaultsFactory() android.Module {
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module := cc.DefaultsFactory()
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android.AddLoadHook(module, forceBuildLlvmComponents)
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return module
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}
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