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// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package llvm
import (
"android/soong/android"
"android/soong/cc"
"github.com/google/blueprint/proptools"
)
func globalFlags(ctx android.LoadHookContext) []string {
var cflags []string
if ctx.Config().IsEnvTrue("FORCE_BUILD_LLVM_DISABLE_NDEBUG") {
cflags = append(cflags, "-D_DEBUG", "-UNDEBUG")
}
return cflags
}
func deviceFlags(ctx android.LoadHookContext) []string {
var cflags []string
return cflags
}
func hostFlags(ctx android.LoadHookContext) []string {
var cflags []string
if ctx.Config().IsEnvTrue("FORCE_BUILD_LLVM_DEBUG") {
cflags = append(cflags, "-O0", "-g")
}
return cflags
}
func llvmDefaults(ctx android.LoadHookContext) {
type props struct {
Target struct {
Android struct {
Cflags []string
Enabled *bool
}
Host struct {
Enabled *bool
}
Not_windows struct {
Cflags []string
}
}
Cflags []string
}
p := &props{}
p.Cflags = globalFlags(ctx)
p.Target.Android.Cflags = deviceFlags(ctx)
// Mingw fails to link binaries with lots of debug information
p.Target.Not_windows.Cflags = hostFlags(ctx)
if ctx.Config().IsEnvTrue("DISABLE_LLVM_DEVICE_BUILDS") {
p.Target.Android.Enabled = proptools.BoolPtr(false)
}
ctx.AppendProperties(p)
}
func forceBuildLlvmComponents(ctx android.LoadHookContext) {
forceBuild := false
if ctx.Config().IsEnvTrue("FORCE_BUILD_LLVM_COMPONENTS") {
forceBuild = true
}
if len(ctx.Config().SanitizeHost()) > 0 {
forceBuild = true
}
if !forceBuild {
type props struct {
Target struct {
Darwin_arm64 struct {
Enabled *bool
}
Host struct {
Enabled *bool
}
Linux_bionic_arm64 struct {
Enabled *bool
}
Linux_musl struct {
Enabled *bool
}
}
}
p := &props{}
p.Target.Darwin_arm64.Enabled = proptools.BoolPtr(true)
p.Target.Host.Enabled = proptools.BoolPtr(false)
p.Target.Linux_bionic_arm64.Enabled = proptools.BoolPtr(true)
p.Target.Linux_musl.Enabled = proptools.BoolPtr(true)
ctx.AppendProperties(p)
}
}
func init() {
android.RegisterModuleType("llvm_defaults", llvmDefaultsFactory)
android.RegisterModuleType("force_build_llvm_components_defaults", forceBuildLlvmComponentsDefaultsFactory)
}
func llvmDefaultsFactory() android.Module {
module := cc.DefaultsFactory()
android.AddLoadHook(module, llvmDefaults)
return module
}
func forceBuildLlvmComponentsDefaultsFactory() android.Module {
module := cc.DefaultsFactory()
android.AddLoadHook(module, forceBuildLlvmComponents)
return module
}
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