|  | // Copyright 2016 Google Inc. All rights reserved. | 
|  | // | 
|  | // 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 cc | 
|  |  | 
|  | import ( | 
|  | "fmt" | 
|  | "path/filepath" | 
|  | "regexp" | 
|  | "strconv" | 
|  | "strings" | 
|  |  | 
|  | "github.com/google/blueprint/proptools" | 
|  |  | 
|  | "android/soong/android" | 
|  | "android/soong/cc/config" | 
|  | ) | 
|  |  | 
|  | var ( | 
|  | allowedManualInterfacePaths = []string{"vendor/", "hardware/"} | 
|  | ) | 
|  |  | 
|  | // This file contains the basic C/C++/assembly to .o compliation steps | 
|  |  | 
|  | type BaseCompilerProperties struct { | 
|  | // list of source files used to compile the C/C++ module.  May be .c, .cpp, or .S files. | 
|  | // srcs may reference the outputs of other modules that produce source files like genrule | 
|  | // or filegroup using the syntax ":module". | 
|  | Srcs []string `android:"path,arch_variant"` | 
|  |  | 
|  | // list of source files that should not be used to build the C/C++ module. | 
|  | // This is most useful in the arch/multilib variants to remove non-common files | 
|  | Exclude_srcs []string `android:"path,arch_variant"` | 
|  |  | 
|  | // list of module-specific flags that will be used for C and C++ compiles. | 
|  | Cflags []string `android:"arch_variant"` | 
|  |  | 
|  | // list of module-specific flags that will be used for C++ compiles | 
|  | Cppflags []string `android:"arch_variant"` | 
|  |  | 
|  | // list of module-specific flags that will be used for C compiles | 
|  | Conlyflags []string `android:"arch_variant"` | 
|  |  | 
|  | // list of module-specific flags that will be used for .S compiles | 
|  | Asflags []string `android:"arch_variant"` | 
|  |  | 
|  | // list of module-specific flags that will be used for C and C++ compiles when | 
|  | // compiling with clang | 
|  | Clang_cflags []string `android:"arch_variant"` | 
|  |  | 
|  | // list of module-specific flags that will be used for .S compiles when | 
|  | // compiling with clang | 
|  | Clang_asflags []string `android:"arch_variant"` | 
|  |  | 
|  | // the instruction set architecture to use to compile the C/C++ | 
|  | // module. | 
|  | Instruction_set *string `android:"arch_variant"` | 
|  |  | 
|  | // list of directories relative to the root of the source tree that will | 
|  | // be added to the include path using -I. | 
|  | // If possible, don't use this.  If adding paths from the current directory use | 
|  | // local_include_dirs, if adding paths from other modules use export_include_dirs in | 
|  | // that module. | 
|  | Include_dirs []string `android:"arch_variant,variant_prepend"` | 
|  |  | 
|  | // list of directories relative to the Blueprints file that will | 
|  | // be added to the include path using -I | 
|  | Local_include_dirs []string `android:"arch_variant,variant_prepend"` | 
|  |  | 
|  | // Add the directory containing the Android.bp file to the list of include | 
|  | // directories. Defaults to true. | 
|  | Include_build_directory *bool | 
|  |  | 
|  | // list of generated sources to compile. These are the names of gensrcs or | 
|  | // genrule modules. | 
|  | Generated_sources []string `android:"arch_variant"` | 
|  |  | 
|  | // list of generated sources that should not be used to build the C/C++ module. | 
|  | // This is most useful in the arch/multilib variants to remove non-common files | 
|  | Exclude_generated_sources []string `android:"arch_variant"` | 
|  |  | 
|  | // list of generated headers to add to the include path. These are the names | 
|  | // of genrule modules. | 
|  | Generated_headers []string `android:"arch_variant"` | 
|  |  | 
|  | // pass -frtti instead of -fno-rtti | 
|  | Rtti *bool | 
|  |  | 
|  | // C standard version to use. Can be a specific version (such as "gnu11"), | 
|  | // "experimental" (which will use draft versions like C1x when available), | 
|  | // or the empty string (which will use the default). | 
|  | C_std *string | 
|  |  | 
|  | // C++ standard version to use. Can be a specific version (such as | 
|  | // "gnu++11"), "experimental" (which will use draft versions like C++1z when | 
|  | // available), or the empty string (which will use the default). | 
|  | Cpp_std *string | 
|  |  | 
|  | // if set to false, use -std=c++* instead of -std=gnu++* | 
|  | Gnu_extensions *bool | 
|  |  | 
|  | Yacc *YaccProperties | 
|  | Lex  *LexProperties | 
|  |  | 
|  | Aidl struct { | 
|  | // list of directories that will be added to the aidl include paths. | 
|  | Include_dirs []string | 
|  |  | 
|  | // list of directories relative to the Blueprints file that will | 
|  | // be added to the aidl include paths. | 
|  | Local_include_dirs []string | 
|  |  | 
|  | // whether to generate traces (for systrace) for this interface | 
|  | Generate_traces *bool | 
|  |  | 
|  | // list of flags that will be passed to the AIDL compiler | 
|  | Flags []string | 
|  | } | 
|  |  | 
|  | Renderscript struct { | 
|  | // list of directories that will be added to the llvm-rs-cc include paths | 
|  | Include_dirs []string | 
|  |  | 
|  | // list of flags that will be passed to llvm-rs-cc | 
|  | Flags []string | 
|  |  | 
|  | // Renderscript API level to target | 
|  | Target_api *string | 
|  | } | 
|  |  | 
|  | Debug, Release struct { | 
|  | // list of module-specific flags that will be used for C and C++ compiles in debug or | 
|  | // release builds | 
|  | Cflags []string `android:"arch_variant"` | 
|  | } `android:"arch_variant"` | 
|  |  | 
|  | Target struct { | 
|  | Vendor, Product struct { | 
|  | // list of source files that should only be used in vendor or | 
|  | // product variant of the C/C++ module. | 
|  | Srcs []string `android:"path"` | 
|  |  | 
|  | // list of source files that should not be used to build vendor | 
|  | // or product variant of the C/C++ module. | 
|  | Exclude_srcs []string `android:"path"` | 
|  |  | 
|  | // List of additional cflags that should be used to build vendor | 
|  | // or product variant of the C/C++ module. | 
|  | Cflags []string | 
|  |  | 
|  | // list of generated sources that should not be used to build | 
|  | // vendor or product variant of the C/C++ module. | 
|  | Exclude_generated_sources []string | 
|  | } | 
|  | Recovery struct { | 
|  | // list of source files that should only be used in the | 
|  | // recovery variant of the C/C++ module. | 
|  | Srcs []string `android:"path"` | 
|  |  | 
|  | // list of source files that should not be used to | 
|  | // build the recovery variant of the C/C++ module. | 
|  | Exclude_srcs []string `android:"path"` | 
|  |  | 
|  | // List of additional cflags that should be used to build the recovery | 
|  | // variant of the C/C++ module. | 
|  | Cflags []string | 
|  |  | 
|  | // list of generated sources that should not be used to | 
|  | // build the recovery variant of the C/C++ module. | 
|  | Exclude_generated_sources []string | 
|  | } | 
|  | Vendor_ramdisk struct { | 
|  | // list of source files that should not be used to | 
|  | // build the vendor ramdisk variant of the C/C++ module. | 
|  | Exclude_srcs []string `android:"path"` | 
|  |  | 
|  | // List of additional cflags that should be used to build the vendor ramdisk | 
|  | // variant of the C/C++ module. | 
|  | Cflags []string | 
|  | } | 
|  | } | 
|  |  | 
|  | Proto struct { | 
|  | // Link statically against the protobuf runtime | 
|  | Static *bool `android:"arch_variant"` | 
|  | } `android:"arch_variant"` | 
|  |  | 
|  | // Stores the original list of source files before being cleared by library reuse | 
|  | OriginalSrcs []string `blueprint:"mutated"` | 
|  |  | 
|  | // Build and link with OpenMP | 
|  | Openmp *bool `android:"arch_variant"` | 
|  |  | 
|  | // Deprecated. | 
|  | // Adds __ANDROID_APEX_<APEX_MODULE_NAME>__ macro defined for apex variants in addition to __ANDROID_APEX__ | 
|  | Use_apex_name_macro *bool | 
|  |  | 
|  | // Adds two macros for apex variants in addition to __ANDROID_APEX__ | 
|  | // * __ANDROID_APEX_COM_ANDROID_FOO__ | 
|  | // * __ANDROID_APEX_NAME__="com.android.foo" | 
|  | UseApexNameMacro bool `blueprint:"mutated"` | 
|  | } | 
|  |  | 
|  | func NewBaseCompiler() *baseCompiler { | 
|  | return &baseCompiler{} | 
|  | } | 
|  |  | 
|  | type baseCompiler struct { | 
|  | Properties BaseCompilerProperties | 
|  | Proto      android.ProtoProperties | 
|  | cFlagsDeps android.Paths | 
|  | pathDeps   android.Paths | 
|  | flags      builderFlags | 
|  |  | 
|  | // Sources that were passed to the C/C++ compiler | 
|  | srcs android.Paths | 
|  |  | 
|  | // Sources that were passed in the Android.bp file, including generated sources generated by | 
|  | // other modules and filegroups. May include source files that have not yet been translated to | 
|  | // C/C++ (.aidl, .proto, etc.) | 
|  | srcsBeforeGen android.Paths | 
|  |  | 
|  | generatedSourceInfo | 
|  | } | 
|  |  | 
|  | var _ compiler = (*baseCompiler)(nil) | 
|  |  | 
|  | type CompiledInterface interface { | 
|  | Srcs() android.Paths | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) Srcs() android.Paths { | 
|  | return append(android.Paths{}, compiler.srcs...) | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) appendCflags(flags []string) { | 
|  | compiler.Properties.Cflags = append(compiler.Properties.Cflags, flags...) | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) appendAsflags(flags []string) { | 
|  | compiler.Properties.Asflags = append(compiler.Properties.Asflags, flags...) | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) compilerProps() []interface{} { | 
|  | return []interface{}{&compiler.Properties, &compiler.Proto} | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) includeBuildDirectory() bool { | 
|  | return proptools.BoolDefault(compiler.Properties.Include_build_directory, true) | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) compilerInit(ctx BaseModuleContext) {} | 
|  |  | 
|  | func (compiler *baseCompiler) compilerDeps(ctx DepsContext, deps Deps) Deps { | 
|  | deps.GeneratedSources = append(deps.GeneratedSources, compiler.Properties.Generated_sources...) | 
|  | deps.GeneratedSources = removeListFromList(deps.GeneratedSources, compiler.Properties.Exclude_generated_sources) | 
|  | deps.GeneratedHeaders = append(deps.GeneratedHeaders, compiler.Properties.Generated_headers...) | 
|  |  | 
|  | android.ProtoDeps(ctx, &compiler.Proto) | 
|  | if compiler.hasSrcExt(".proto") { | 
|  | deps = protoDeps(ctx, deps, &compiler.Proto, Bool(compiler.Properties.Proto.Static)) | 
|  | } | 
|  |  | 
|  | if Bool(compiler.Properties.Openmp) { | 
|  | deps.StaticLibs = append(deps.StaticLibs, "libomp") | 
|  | } | 
|  |  | 
|  | return deps | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) useApexNameMacro() bool { | 
|  | return Bool(compiler.Properties.Use_apex_name_macro) || compiler.Properties.UseApexNameMacro | 
|  | } | 
|  |  | 
|  | // Return true if the module is in the WarningAllowedProjects. | 
|  | func warningsAreAllowed(subdir string) bool { | 
|  | subdir += "/" | 
|  | return android.HasAnyPrefix(subdir, config.WarningAllowedProjects) | 
|  | } | 
|  |  | 
|  | func addToModuleList(ctx ModuleContext, key android.OnceKey, module string) { | 
|  | getNamedMapForConfig(ctx.Config(), key).Store(module, true) | 
|  | } | 
|  |  | 
|  | // Create a Flags struct that collects the compile flags from global values, | 
|  | // per-target values, module type values, and per-module Blueprints properties | 
|  | func (compiler *baseCompiler) compilerFlags(ctx ModuleContext, flags Flags, deps PathDeps) Flags { | 
|  | tc := ctx.toolchain() | 
|  | modulePath := android.PathForModuleSrc(ctx).String() | 
|  |  | 
|  | compiler.srcsBeforeGen = android.PathsForModuleSrcExcludes(ctx, compiler.Properties.Srcs, compiler.Properties.Exclude_srcs) | 
|  | compiler.srcsBeforeGen = append(compiler.srcsBeforeGen, deps.GeneratedSources...) | 
|  |  | 
|  | CheckBadCompilerFlags(ctx, "cflags", compiler.Properties.Cflags) | 
|  | CheckBadCompilerFlags(ctx, "cppflags", compiler.Properties.Cppflags) | 
|  | CheckBadCompilerFlags(ctx, "conlyflags", compiler.Properties.Conlyflags) | 
|  | CheckBadCompilerFlags(ctx, "asflags", compiler.Properties.Asflags) | 
|  | CheckBadCompilerFlags(ctx, "vendor.cflags", compiler.Properties.Target.Vendor.Cflags) | 
|  | CheckBadCompilerFlags(ctx, "product.cflags", compiler.Properties.Target.Product.Cflags) | 
|  | CheckBadCompilerFlags(ctx, "recovery.cflags", compiler.Properties.Target.Recovery.Cflags) | 
|  | CheckBadCompilerFlags(ctx, "vendor_ramdisk.cflags", compiler.Properties.Target.Vendor_ramdisk.Cflags) | 
|  |  | 
|  | esc := proptools.NinjaAndShellEscapeList | 
|  |  | 
|  | flags.Local.CFlags = append(flags.Local.CFlags, esc(compiler.Properties.Cflags)...) | 
|  | flags.Local.CppFlags = append(flags.Local.CppFlags, esc(compiler.Properties.Cppflags)...) | 
|  | flags.Local.ConlyFlags = append(flags.Local.ConlyFlags, esc(compiler.Properties.Conlyflags)...) | 
|  | flags.Local.AsFlags = append(flags.Local.AsFlags, esc(compiler.Properties.Asflags)...) | 
|  | flags.Local.YasmFlags = append(flags.Local.YasmFlags, esc(compiler.Properties.Asflags)...) | 
|  |  | 
|  | flags.Yacc = compiler.Properties.Yacc | 
|  | flags.Lex = compiler.Properties.Lex | 
|  |  | 
|  | // Include dir cflags | 
|  | localIncludeDirs := android.PathsForModuleSrc(ctx, compiler.Properties.Local_include_dirs) | 
|  | if len(localIncludeDirs) > 0 { | 
|  | f := includeDirsToFlags(localIncludeDirs) | 
|  | flags.Local.CommonFlags = append(flags.Local.CommonFlags, f) | 
|  | flags.Local.YasmFlags = append(flags.Local.YasmFlags, f) | 
|  | } | 
|  | rootIncludeDirs := android.PathsForSource(ctx, compiler.Properties.Include_dirs) | 
|  | if len(rootIncludeDirs) > 0 { | 
|  | f := includeDirsToFlags(rootIncludeDirs) | 
|  | flags.Local.CommonFlags = append(flags.Local.CommonFlags, f) | 
|  | flags.Local.YasmFlags = append(flags.Local.YasmFlags, f) | 
|  | } | 
|  |  | 
|  | if compiler.includeBuildDirectory() { | 
|  | flags.Local.CommonFlags = append(flags.Local.CommonFlags, "-I"+modulePath) | 
|  | flags.Local.YasmFlags = append(flags.Local.YasmFlags, "-I"+modulePath) | 
|  | } | 
|  |  | 
|  | if !(ctx.useSdk() || ctx.useVndk()) || ctx.Host() { | 
|  | flags.SystemIncludeFlags = append(flags.SystemIncludeFlags, | 
|  | "${config.CommonGlobalIncludes}", | 
|  | tc.IncludeFlags()) | 
|  | } | 
|  |  | 
|  | if ctx.useSdk() { | 
|  | // TODO: Switch to --sysroot. | 
|  | // The NDK headers are installed to a common sysroot. While a more | 
|  | // typical Soong approach would be to only make the headers for the | 
|  | // library you're using available, we're trying to emulate the NDK | 
|  | // behavior here, and the NDK always has all the NDK headers available. | 
|  | flags.SystemIncludeFlags = append(flags.SystemIncludeFlags, | 
|  | "-isystem "+getCurrentIncludePath(ctx).String(), | 
|  | "-isystem "+getCurrentIncludePath(ctx).Join(ctx, config.NDKTriple(tc)).String()) | 
|  | } | 
|  |  | 
|  | if ctx.useVndk() { | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, "-D__ANDROID_VNDK__") | 
|  | if ctx.inVendor() { | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, "-D__ANDROID_VENDOR__") | 
|  | } else if ctx.inProduct() { | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, "-D__ANDROID_PRODUCT__") | 
|  | } | 
|  | } | 
|  |  | 
|  | if ctx.inRecovery() { | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, "-D__ANDROID_RECOVERY__") | 
|  | } | 
|  |  | 
|  | if ctx.apexVariationName() != "" { | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, "-D__ANDROID_APEX__") | 
|  | if compiler.useApexNameMacro() { | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, "-D__ANDROID_APEX_"+makeDefineString(ctx.apexVariationName())+"__") | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, "-D__ANDROID_APEX_NAME__='\""+ctx.apexVariationName()+"\"'") | 
|  | } | 
|  | if ctx.Device() { | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, | 
|  | fmt.Sprintf("-D__ANDROID_APEX_MIN_SDK_VERSION__=%d", | 
|  | ctx.apexSdkVersion().FinalOrFutureInt())) | 
|  | } | 
|  | } | 
|  |  | 
|  | if ctx.Target().NativeBridge == android.NativeBridgeEnabled { | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, "-D__ANDROID_NATIVE_BRIDGE__") | 
|  | } | 
|  |  | 
|  | instructionSet := String(compiler.Properties.Instruction_set) | 
|  | if flags.RequiredInstructionSet != "" { | 
|  | instructionSet = flags.RequiredInstructionSet | 
|  | } | 
|  | instructionSetFlags, err := tc.ClangInstructionSetFlags(instructionSet) | 
|  | if err != nil { | 
|  | ctx.ModuleErrorf("%s", err) | 
|  | } | 
|  |  | 
|  | CheckBadCompilerFlags(ctx, "release.cflags", compiler.Properties.Release.Cflags) | 
|  |  | 
|  | // TODO: debug | 
|  | flags.Local.CFlags = append(flags.Local.CFlags, esc(compiler.Properties.Release.Cflags)...) | 
|  |  | 
|  | CheckBadCompilerFlags(ctx, "clang_cflags", compiler.Properties.Clang_cflags) | 
|  | CheckBadCompilerFlags(ctx, "clang_asflags", compiler.Properties.Clang_asflags) | 
|  |  | 
|  | flags.Local.CFlags = config.ClangFilterUnknownCflags(flags.Local.CFlags) | 
|  | flags.Local.CFlags = append(flags.Local.CFlags, esc(compiler.Properties.Clang_cflags)...) | 
|  | flags.Local.AsFlags = append(flags.Local.AsFlags, esc(compiler.Properties.Clang_asflags)...) | 
|  | flags.Local.CppFlags = config.ClangFilterUnknownCflags(flags.Local.CppFlags) | 
|  | flags.Local.ConlyFlags = config.ClangFilterUnknownCflags(flags.Local.ConlyFlags) | 
|  | flags.Local.LdFlags = config.ClangFilterUnknownCflags(flags.Local.LdFlags) | 
|  |  | 
|  | target := "-target " + tc.ClangTriple() | 
|  | if ctx.Os().Class == android.Device { | 
|  | version := ctx.minSdkVersion() | 
|  | if version == "" || version == "current" { | 
|  | target += strconv.Itoa(android.FutureApiLevelInt) | 
|  | } else { | 
|  | target += version | 
|  | } | 
|  | } | 
|  |  | 
|  | gccPrefix := "-B" + config.ToolPath(tc) | 
|  |  | 
|  | flags.Global.CFlags = append(flags.Global.CFlags, target, gccPrefix) | 
|  | flags.Global.AsFlags = append(flags.Global.AsFlags, target, gccPrefix) | 
|  | flags.Global.LdFlags = append(flags.Global.LdFlags, target, gccPrefix) | 
|  |  | 
|  | hod := "Host" | 
|  | if ctx.Os().Class == android.Device { | 
|  | hod = "Device" | 
|  | } | 
|  |  | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, instructionSetFlags) | 
|  | flags.Global.ConlyFlags = append([]string{"${config.CommonGlobalConlyflags}"}, flags.Global.ConlyFlags...) | 
|  | flags.Global.CppFlags = append([]string{fmt.Sprintf("${config.%sGlobalCppflags}", hod)}, flags.Global.CppFlags...) | 
|  |  | 
|  | flags.Global.AsFlags = append(flags.Global.AsFlags, tc.ClangAsflags()) | 
|  | flags.Global.CppFlags = append([]string{"${config.CommonClangGlobalCppflags}"}, flags.Global.CppFlags...) | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, | 
|  | tc.ClangCflags(), | 
|  | "${config.CommonClangGlobalCflags}", | 
|  | fmt.Sprintf("${config.%sClangGlobalCflags}", hod)) | 
|  |  | 
|  | if isThirdParty(modulePath) { | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, "${config.ClangExternalCflags}") | 
|  | } | 
|  |  | 
|  | if tc.Bionic() { | 
|  | if Bool(compiler.Properties.Rtti) { | 
|  | flags.Local.CppFlags = append(flags.Local.CppFlags, "-frtti") | 
|  | } else { | 
|  | flags.Local.CppFlags = append(flags.Local.CppFlags, "-fno-rtti") | 
|  | } | 
|  | } | 
|  |  | 
|  | flags.Global.AsFlags = append(flags.Global.AsFlags, "-D__ASSEMBLY__") | 
|  |  | 
|  | flags.Global.CppFlags = append(flags.Global.CppFlags, tc.ClangCppflags()) | 
|  |  | 
|  | flags.Global.YasmFlags = append(flags.Global.YasmFlags, tc.YasmFlags()) | 
|  |  | 
|  | flags.Global.CommonFlags = append(flags.Global.CommonFlags, tc.ToolchainClangCflags()) | 
|  |  | 
|  | cStd := config.CStdVersion | 
|  | if String(compiler.Properties.C_std) == "experimental" { | 
|  | cStd = config.ExperimentalCStdVersion | 
|  | } else if String(compiler.Properties.C_std) != "" { | 
|  | cStd = String(compiler.Properties.C_std) | 
|  | } | 
|  |  | 
|  | cppStd := String(compiler.Properties.Cpp_std) | 
|  | switch String(compiler.Properties.Cpp_std) { | 
|  | case "": | 
|  | cppStd = config.CppStdVersion | 
|  | case "experimental": | 
|  | cppStd = config.ExperimentalCppStdVersion | 
|  | } | 
|  |  | 
|  | if compiler.Properties.Gnu_extensions != nil && *compiler.Properties.Gnu_extensions == false { | 
|  | cStd = gnuToCReplacer.Replace(cStd) | 
|  | cppStd = gnuToCReplacer.Replace(cppStd) | 
|  | } | 
|  |  | 
|  | flags.Local.ConlyFlags = append([]string{"-std=" + cStd}, flags.Local.ConlyFlags...) | 
|  | flags.Local.CppFlags = append([]string{"-std=" + cppStd}, flags.Local.CppFlags...) | 
|  |  | 
|  | if ctx.inVendor() { | 
|  | flags.Local.CFlags = append(flags.Local.CFlags, esc(compiler.Properties.Target.Vendor.Cflags)...) | 
|  | } | 
|  |  | 
|  | if ctx.inProduct() { | 
|  | flags.Local.CFlags = append(flags.Local.CFlags, esc(compiler.Properties.Target.Product.Cflags)...) | 
|  | } | 
|  |  | 
|  | if ctx.inRecovery() { | 
|  | flags.Local.CFlags = append(flags.Local.CFlags, esc(compiler.Properties.Target.Recovery.Cflags)...) | 
|  | } | 
|  |  | 
|  | if ctx.inVendorRamdisk() { | 
|  | flags.Local.CFlags = append(flags.Local.CFlags, esc(compiler.Properties.Target.Vendor_ramdisk.Cflags)...) | 
|  | } | 
|  |  | 
|  | // We can enforce some rules more strictly in the code we own. strict | 
|  | // indicates if this is code that we can be stricter with. If we have | 
|  | // rules that we want to apply to *our* code (but maybe can't for | 
|  | // vendor/device specific things), we could extend this to be a ternary | 
|  | // value. | 
|  | strict := true | 
|  | if strings.HasPrefix(modulePath, "external/") { | 
|  | strict = false | 
|  | } | 
|  |  | 
|  | // Can be used to make some annotations stricter for code we can fix | 
|  | // (such as when we mark functions as deprecated). | 
|  | if strict { | 
|  | flags.Global.CFlags = append(flags.Global.CFlags, "-DANDROID_STRICT") | 
|  | } | 
|  |  | 
|  | if compiler.hasSrcExt(".proto") { | 
|  | flags = protoFlags(ctx, flags, &compiler.Proto) | 
|  | } | 
|  |  | 
|  | if compiler.hasSrcExt(".y") || compiler.hasSrcExt(".yy") { | 
|  | flags.Local.CommonFlags = append(flags.Local.CommonFlags, | 
|  | "-I"+android.PathForModuleGen(ctx, "yacc", ctx.ModuleDir()).String()) | 
|  | } | 
|  |  | 
|  | if compiler.hasSrcExt(".mc") { | 
|  | flags.Local.CommonFlags = append(flags.Local.CommonFlags, | 
|  | "-I"+android.PathForModuleGen(ctx, "windmc", ctx.ModuleDir()).String()) | 
|  | } | 
|  |  | 
|  | if compiler.hasSrcExt(".aidl") { | 
|  | flags.aidlFlags = append(flags.aidlFlags, compiler.Properties.Aidl.Flags...) | 
|  | if len(compiler.Properties.Aidl.Local_include_dirs) > 0 { | 
|  | localAidlIncludeDirs := android.PathsForModuleSrc(ctx, compiler.Properties.Aidl.Local_include_dirs) | 
|  | flags.aidlFlags = append(flags.aidlFlags, includeDirsToFlags(localAidlIncludeDirs)) | 
|  | } | 
|  | if len(compiler.Properties.Aidl.Include_dirs) > 0 { | 
|  | rootAidlIncludeDirs := android.PathsForSource(ctx, compiler.Properties.Aidl.Include_dirs) | 
|  | flags.aidlFlags = append(flags.aidlFlags, includeDirsToFlags(rootAidlIncludeDirs)) | 
|  | } | 
|  |  | 
|  | if Bool(compiler.Properties.Aidl.Generate_traces) { | 
|  | flags.aidlFlags = append(flags.aidlFlags, "-t") | 
|  | } | 
|  |  | 
|  | flags.Local.CommonFlags = append(flags.Local.CommonFlags, | 
|  | "-I"+android.PathForModuleGen(ctx, "aidl").String()) | 
|  | } | 
|  |  | 
|  | if compiler.hasSrcExt(".rscript") || compiler.hasSrcExt(".fs") { | 
|  | flags = rsFlags(ctx, flags, &compiler.Properties) | 
|  | } | 
|  |  | 
|  | if compiler.hasSrcExt(".sysprop") { | 
|  | flags.Local.CommonFlags = append(flags.Local.CommonFlags, | 
|  | "-I"+android.PathForModuleGen(ctx, "sysprop", "include").String()) | 
|  | } | 
|  |  | 
|  | if len(compiler.Properties.Srcs) > 0 { | 
|  | module := ctx.ModuleDir() + "/Android.bp:" + ctx.ModuleName() | 
|  | if inList("-Wno-error", flags.Local.CFlags) || inList("-Wno-error", flags.Local.CppFlags) { | 
|  | addToModuleList(ctx, modulesUsingWnoErrorKey, module) | 
|  | } else if !inList("-Werror", flags.Local.CFlags) && !inList("-Werror", flags.Local.CppFlags) { | 
|  | if warningsAreAllowed(ctx.ModuleDir()) { | 
|  | addToModuleList(ctx, modulesAddedWallKey, module) | 
|  | flags.Local.CFlags = append([]string{"-Wall"}, flags.Local.CFlags...) | 
|  | } else { | 
|  | flags.Local.CFlags = append([]string{"-Wall", "-Werror"}, flags.Local.CFlags...) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if Bool(compiler.Properties.Openmp) { | 
|  | flags.Local.CFlags = append(flags.Local.CFlags, "-fopenmp") | 
|  | } | 
|  |  | 
|  | // Exclude directories from manual binder interface allowed list. | 
|  | //TODO(b/145621474): Move this check into IInterface.h when clang-tidy no longer uses absolute paths. | 
|  | if android.HasAnyPrefix(ctx.ModuleDir(), allowedManualInterfacePaths) { | 
|  | flags.Local.CFlags = append(flags.Local.CFlags, "-DDO_NOT_CHECK_MANUAL_BINDER_INTERFACES") | 
|  | } | 
|  |  | 
|  | return flags | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) hasSrcExt(ext string) bool { | 
|  | for _, src := range compiler.srcsBeforeGen { | 
|  | if src.Ext() == ext { | 
|  | return true | 
|  | } | 
|  | } | 
|  | for _, src := range compiler.Properties.Srcs { | 
|  | if filepath.Ext(src) == ext { | 
|  | return true | 
|  | } | 
|  | } | 
|  | for _, src := range compiler.Properties.OriginalSrcs { | 
|  | if filepath.Ext(src) == ext { | 
|  | return true | 
|  | } | 
|  | } | 
|  |  | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) uniqueApexVariations() bool { | 
|  | return compiler.useApexNameMacro() | 
|  | } | 
|  |  | 
|  | var invalidDefineCharRegex = regexp.MustCompile("[^a-zA-Z0-9_]") | 
|  |  | 
|  | // makeDefineString transforms a name of an APEX module into a value to be used as value for C define | 
|  | // For example, com.android.foo => COM_ANDROID_FOO | 
|  | func makeDefineString(name string) string { | 
|  | return invalidDefineCharRegex.ReplaceAllString(strings.ToUpper(name), "_") | 
|  | } | 
|  |  | 
|  | var gnuToCReplacer = strings.NewReplacer("gnu", "c") | 
|  |  | 
|  | func ndkPathDeps(ctx ModuleContext) android.Paths { | 
|  | if ctx.Module().(*Module).IsSdkVariant() { | 
|  | // The NDK sysroot timestamp file depends on all the NDK sysroot files | 
|  | // (headers and libraries). | 
|  | return android.Paths{getNdkBaseTimestampFile(ctx)} | 
|  | } | 
|  | return nil | 
|  | } | 
|  |  | 
|  | func (compiler *baseCompiler) compile(ctx ModuleContext, flags Flags, deps PathDeps) Objects { | 
|  | pathDeps := deps.GeneratedDeps | 
|  | pathDeps = append(pathDeps, ndkPathDeps(ctx)...) | 
|  |  | 
|  | buildFlags := flagsToBuilderFlags(flags) | 
|  |  | 
|  | srcs := append(android.Paths(nil), compiler.srcsBeforeGen...) | 
|  |  | 
|  | srcs, genDeps, info := genSources(ctx, srcs, buildFlags) | 
|  | pathDeps = append(pathDeps, genDeps...) | 
|  |  | 
|  | compiler.pathDeps = pathDeps | 
|  | compiler.generatedSourceInfo = info | 
|  | compiler.cFlagsDeps = flags.CFlagsDeps | 
|  |  | 
|  | // Save src, buildFlags and context | 
|  | compiler.srcs = srcs | 
|  |  | 
|  | // Compile files listed in c.Properties.Srcs into objects | 
|  | objs := compileObjs(ctx, buildFlags, "", srcs, pathDeps, compiler.cFlagsDeps) | 
|  |  | 
|  | if ctx.Failed() { | 
|  | return Objects{} | 
|  | } | 
|  |  | 
|  | return objs | 
|  | } | 
|  |  | 
|  | // Compile a list of source files into objects a specified subdirectory | 
|  | func compileObjs(ctx android.ModuleContext, flags builderFlags, | 
|  | subdir string, srcFiles, pathDeps android.Paths, cFlagsDeps android.Paths) Objects { | 
|  |  | 
|  | return transformSourceToObj(ctx, subdir, srcFiles, flags, pathDeps, cFlagsDeps) | 
|  | } | 
|  |  | 
|  | var thirdPartyDirPrefixExceptions = []*regexp.Regexp{ | 
|  | regexp.MustCompile("^vendor/[^/]*google[^/]*/"), | 
|  | regexp.MustCompile("^hardware/google/"), | 
|  | regexp.MustCompile("^hardware/interfaces/"), | 
|  | regexp.MustCompile("^hardware/libhardware[^/]*/"), | 
|  | regexp.MustCompile("^hardware/ril/"), | 
|  | } | 
|  |  | 
|  | func isThirdParty(path string) bool { | 
|  | thirdPartyDirPrefixes := []string{"external/", "vendor/", "hardware/"} | 
|  |  | 
|  | if android.HasAnyPrefix(path, thirdPartyDirPrefixes) { | 
|  | for _, prefix := range thirdPartyDirPrefixExceptions { | 
|  | if prefix.MatchString(path) { | 
|  | return false | 
|  | } | 
|  | } | 
|  | } | 
|  | return true | 
|  | } | 
|  |  | 
|  | // Properties for rust_bindgen related to generating rust bindings. | 
|  | // This exists here so these properties can be included in a cc_default | 
|  | // which can be used in both cc and rust modules. | 
|  | type RustBindgenClangProperties struct { | 
|  | // list of directories relative to the Blueprints file that will | 
|  | // be added to the include path using -I | 
|  | Local_include_dirs []string `android:"arch_variant,variant_prepend"` | 
|  |  | 
|  | // list of static libraries that provide headers for this binding. | 
|  | Static_libs []string `android:"arch_variant,variant_prepend"` | 
|  |  | 
|  | // list of shared libraries that provide headers for this binding. | 
|  | Shared_libs []string `android:"arch_variant"` | 
|  |  | 
|  | // List of libraries which export include paths required for this module | 
|  | Header_libs []string `android:"arch_variant,variant_prepend"` | 
|  |  | 
|  | // list of clang flags required to correctly interpret the headers. | 
|  | Cflags []string `android:"arch_variant"` | 
|  |  | 
|  | // list of c++ specific clang flags required to correctly interpret the headers. | 
|  | // This is provided primarily to make sure cppflags defined in cc_defaults are pulled in. | 
|  | Cppflags []string `android:"arch_variant"` | 
|  |  | 
|  | // C standard version to use. Can be a specific version (such as "gnu11"), | 
|  | // "experimental" (which will use draft versions like C1x when available), | 
|  | // or the empty string (which will use the default). | 
|  | // | 
|  | // If this is set, the file extension will be ignored and this will be used as the std version value. Setting this | 
|  | // to "default" will use the build system default version. This cannot be set at the same time as cpp_std. | 
|  | C_std *string | 
|  |  | 
|  | // C++ standard version to use. Can be a specific version (such as | 
|  | // "gnu++11"), "experimental" (which will use draft versions like C++1z when | 
|  | // available), or the empty string (which will use the default). | 
|  | // | 
|  | // If this is set, the file extension will be ignored and this will be used as the std version value. Setting this | 
|  | // to "default" will use the build system default version. This cannot be set at the same time as c_std. | 
|  | Cpp_std *string | 
|  |  | 
|  | //TODO(b/161141999) Add support for headers from cc_library_header modules. | 
|  | } |