| // 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" |
| "github.com/google/blueprint/proptools" |
| ) |
| |
| func globalFlags(ctx android.BaseContext) []string { |
| var cflags []string |
| |
| if ctx.AConfig().IsEnvTrue("FORCE_BUILD_LLVM_DISABLE_NDEBUG") { |
| cflags = append(cflags, "-D_DEBUG", "-UNDEBUG") |
| } |
| |
| return cflags |
| } |
| |
| func deviceFlags(ctx android.BaseContext) []string { |
| var cflags []string |
| |
| return cflags |
| } |
| |
| func hostFlags(ctx android.BaseContext) []string { |
| var cflags []string |
| |
| if ctx.AConfig().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 |
| } |
| Linux struct { |
| Cflags []string |
| } |
| Darwin struct { |
| Cflags []string |
| } |
| } |
| Cflags []string |
| } |
| |
| p := &props{} |
| p.Cflags = globalFlags(ctx) |
| p.Target.Android.Cflags = deviceFlags(ctx) |
| h := hostFlags(ctx) |
| p.Target.Linux.Cflags = h |
| p.Target.Darwin.Cflags = h |
| |
| if ctx.AConfig().IsEnvTrue("DISABLE_LLVM_DEVICE_BUILDS") { |
| p.Target.Android.Enabled = proptools.BoolPtr(false) |
| } |
| |
| ctx.AppendProperties(p) |
| } |
| |
| func forceBuildLlvmComponents(ctx android.LoadHookContext) { |
| if !ctx.AConfig().IsEnvTrue("FORCE_BUILD_LLVM_COMPONENTS") { |
| type props struct { |
| Target struct { |
| Host struct { |
| Enabled *bool |
| } |
| } |
| } |
| p := &props{} |
| p.Target.Host.Enabled = proptools.BoolPtr(false) |
| ctx.AppendProperties(p) |
| } |
| } |
| |
| func init() { |
| android.RegisterModuleType("llvm_defaults", llvmDefaultsFactory) |
| android.RegisterModuleType("force_build_llvm_components_defaults", forceBuildLlvmComponentsDefaultsFactory) |
| } |
| |
| func llvmDefaultsFactory() (blueprint.Module, []interface{}) { |
| module, props := cc.DefaultsFactory() |
| android.AddLoadHook(module, llvmDefaults) |
| |
| return module, props |
| } |
| |
| func forceBuildLlvmComponentsDefaultsFactory() (blueprint.Module, []interface{}) { |
| module, props := cc.DefaultsFactory() |
| android.AddLoadHook(module, forceBuildLlvmComponents) |
| return module, props |
| } |