8a49795df1
Move the logic from ctx.ExpandSources into android.PathsForModuleSrc and ctx.ExpandSource into android.PathForModuleSrc, and deprecate them. When combined with the pathDepsMutator this will let all properties that take source paths also take filegroups or genrule outputs, as long as they are tagged with `android:"path"`. Test: All soong tests Change-Id: I01625e76b5da19240e9649bf26a014eeeafcab8f
584 lines
20 KiB
Go
584 lines
20 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 cc
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import (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/google/blueprint/proptools"
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"android/soong/android"
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"android/soong/cc/config"
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)
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// This file contains the basic C/C++/assembly to .o compliation steps
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type BaseCompilerProperties struct {
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// list of source files used to compile the C/C++ module. May be .c, .cpp, or .S files.
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// srcs may reference the outputs of other modules that produce source files like genrule
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// or filegroup using the syntax ":module".
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Srcs []string `android:"path,arch_variant"`
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// list of source files that should not be used to build the C/C++ module.
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// This is most useful in the arch/multilib variants to remove non-common files
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Exclude_srcs []string `android:"path,arch_variant"`
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// list of module-specific flags that will be used for C and C++ compiles.
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Cflags []string `android:"arch_variant"`
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// list of module-specific flags that will be used for C++ compiles
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Cppflags []string `android:"arch_variant"`
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// list of module-specific flags that will be used for C compiles
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Conlyflags []string `android:"arch_variant"`
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// list of module-specific flags that will be used for .S compiles
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Asflags []string `android:"arch_variant"`
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// list of module-specific flags that will be used for C and C++ compiles when
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// compiling with clang
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Clang_cflags []string `android:"arch_variant"`
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// list of module-specific flags that will be used for .S compiles when
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// compiling with clang
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Clang_asflags []string `android:"arch_variant"`
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// list of module-specific flags that will be used for .y and .yy compiles
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Yaccflags []string
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// the instruction set architecture to use to compile the C/C++
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// module.
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Instruction_set *string `android:"arch_variant"`
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// list of directories relative to the root of the source tree that will
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// be added to the include path using -I.
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// If possible, don't use this. If adding paths from the current directory use
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// local_include_dirs, if adding paths from other modules use export_include_dirs in
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// that module.
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Include_dirs []string `android:"arch_variant,variant_prepend"`
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// list of directories relative to the Blueprints file that will
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// be added to the include path using -I
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Local_include_dirs []string `android:"arch_variant,variant_prepend"`
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// Add the directory containing the Android.bp file to the list of include
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// directories. Defaults to true.
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Include_build_directory *bool
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// list of generated sources to compile. These are the names of gensrcs or
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// genrule modules.
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Generated_sources []string `android:"arch_variant"`
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// list of generated headers to add to the include path. These are the names
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// of genrule modules.
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Generated_headers []string `android:"arch_variant"`
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// pass -frtti instead of -fno-rtti
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Rtti *bool
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// C standard version to use. Can be a specific version (such as "gnu11"),
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// "experimental" (which will use draft versions like C1x when available),
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// or the empty string (which will use the default).
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C_std *string
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// C++ standard version to use. Can be a specific version (such as
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// "gnu++11"), "experimental" (which will use draft versions like C++1z when
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// available), or the empty string (which will use the default).
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Cpp_std *string
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// if set to false, use -std=c++* instead of -std=gnu++*
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Gnu_extensions *bool
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Aidl struct {
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// list of directories that will be added to the aidl include paths.
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Include_dirs []string
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// list of directories relative to the Blueprints file that will
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// be added to the aidl include paths.
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Local_include_dirs []string
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// whether to generate traces (for systrace) for this interface
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Generate_traces *bool
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}
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Renderscript struct {
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// list of directories that will be added to the llvm-rs-cc include paths
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Include_dirs []string
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// list of flags that will be passed to llvm-rs-cc
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Flags []string
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// Renderscript API level to target
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Target_api *string
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}
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Debug, Release struct {
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// list of module-specific flags that will be used for C and C++ compiles in debug or
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// release builds
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Cflags []string `android:"arch_variant"`
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} `android:"arch_variant"`
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Target struct {
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Vendor struct {
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// list of source files that should only be used in the
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// vendor variant of the C/C++ module.
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Srcs []string `android:"path"`
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// list of source files that should not be used to
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// build the vendor variant of the C/C++ module.
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Exclude_srcs []string `android:"path"`
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// List of additional cflags that should be used to build the vendor
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// variant of the C/C++ module.
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Cflags []string
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}
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Recovery struct {
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// list of source files that should only be used in the
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// recovery variant of the C/C++ module.
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Srcs []string `android:"path"`
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// list of source files that should not be used to
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// build the recovery variant of the C/C++ module.
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Exclude_srcs []string `android:"path"`
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// List of additional cflags that should be used to build the recovery
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// variant of the C/C++ module.
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Cflags []string
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}
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}
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Proto struct {
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// Link statically against the protobuf runtime
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Static *bool `android:"arch_variant"`
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} `android:"arch_variant"`
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// Stores the original list of source files before being cleared by library reuse
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OriginalSrcs []string `blueprint:"mutated"`
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// Build and link with OpenMP
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Openmp *bool `android:"arch_variant"`
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}
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func NewBaseCompiler() *baseCompiler {
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return &baseCompiler{}
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}
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type baseCompiler struct {
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Properties BaseCompilerProperties
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Proto android.ProtoProperties
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cFlagsDeps android.Paths
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pathDeps android.Paths
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flags builderFlags
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// Sources that were passed to the C/C++ compiler
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srcs android.Paths
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// Sources that were passed in the Android.bp file, including generated sources generated by
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// other modules and filegroups. May include source files that have not yet been translated to
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// C/C++ (.aidl, .proto, etc.)
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srcsBeforeGen android.Paths
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}
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var _ compiler = (*baseCompiler)(nil)
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type CompiledInterface interface {
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Srcs() android.Paths
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}
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func (compiler *baseCompiler) Srcs() android.Paths {
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return append(android.Paths{}, compiler.srcs...)
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}
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func (compiler *baseCompiler) appendCflags(flags []string) {
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compiler.Properties.Cflags = append(compiler.Properties.Cflags, flags...)
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}
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func (compiler *baseCompiler) appendAsflags(flags []string) {
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compiler.Properties.Asflags = append(compiler.Properties.Asflags, flags...)
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}
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func (compiler *baseCompiler) compilerProps() []interface{} {
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return []interface{}{&compiler.Properties, &compiler.Proto}
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}
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func (compiler *baseCompiler) compilerInit(ctx BaseModuleContext) {}
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func (compiler *baseCompiler) compilerDeps(ctx DepsContext, deps Deps) Deps {
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deps.GeneratedSources = append(deps.GeneratedSources, compiler.Properties.Generated_sources...)
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deps.GeneratedHeaders = append(deps.GeneratedHeaders, compiler.Properties.Generated_headers...)
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if compiler.hasSrcExt(".proto") {
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deps = protoDeps(ctx, deps, &compiler.Proto, Bool(compiler.Properties.Proto.Static))
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}
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if compiler.hasSrcExt(".sysprop") {
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deps.SharedLibs = append(deps.SharedLibs, "libbase")
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}
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if Bool(compiler.Properties.Openmp) {
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deps.StaticLibs = append(deps.StaticLibs, "libomp")
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}
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return deps
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}
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// Return true if the module is in the WarningAllowedProjects.
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func warningsAreAllowed(subdir string) bool {
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subdir += "/"
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for _, prefix := range config.WarningAllowedProjects {
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if strings.HasPrefix(subdir, prefix) {
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return true
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}
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}
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return false
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}
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func addToModuleList(ctx ModuleContext, key android.OnceKey, module string) {
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getNamedMapForConfig(ctx.Config(), key).Store(module, true)
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}
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// Create a Flags struct that collects the compile flags from global values,
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// per-target values, module type values, and per-module Blueprints properties
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func (compiler *baseCompiler) compilerFlags(ctx ModuleContext, flags Flags, deps PathDeps) Flags {
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tc := ctx.toolchain()
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compiler.srcsBeforeGen = android.PathsForModuleSrcExcludes(ctx, compiler.Properties.Srcs, compiler.Properties.Exclude_srcs)
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compiler.srcsBeforeGen = append(compiler.srcsBeforeGen, deps.GeneratedSources...)
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CheckBadCompilerFlags(ctx, "cflags", compiler.Properties.Cflags)
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CheckBadCompilerFlags(ctx, "cppflags", compiler.Properties.Cppflags)
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CheckBadCompilerFlags(ctx, "conlyflags", compiler.Properties.Conlyflags)
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CheckBadCompilerFlags(ctx, "asflags", compiler.Properties.Asflags)
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CheckBadCompilerFlags(ctx, "vendor.cflags", compiler.Properties.Target.Vendor.Cflags)
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CheckBadCompilerFlags(ctx, "recovery.cflags", compiler.Properties.Target.Recovery.Cflags)
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esc := proptools.NinjaAndShellEscapeList
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flags.CFlags = append(flags.CFlags, esc(compiler.Properties.Cflags)...)
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flags.CppFlags = append(flags.CppFlags, esc(compiler.Properties.Cppflags)...)
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flags.ConlyFlags = append(flags.ConlyFlags, esc(compiler.Properties.Conlyflags)...)
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flags.AsFlags = append(flags.AsFlags, esc(compiler.Properties.Asflags)...)
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flags.YasmFlags = append(flags.YasmFlags, esc(compiler.Properties.Asflags)...)
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flags.YaccFlags = append(flags.YaccFlags, esc(compiler.Properties.Yaccflags)...)
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// Include dir cflags
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localIncludeDirs := android.PathsForModuleSrc(ctx, compiler.Properties.Local_include_dirs)
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if len(localIncludeDirs) > 0 {
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f := includeDirsToFlags(localIncludeDirs)
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flags.GlobalFlags = append(flags.GlobalFlags, f)
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flags.YasmFlags = append(flags.YasmFlags, f)
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}
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rootIncludeDirs := android.PathsForSource(ctx, compiler.Properties.Include_dirs)
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if len(rootIncludeDirs) > 0 {
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f := includeDirsToFlags(rootIncludeDirs)
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flags.GlobalFlags = append(flags.GlobalFlags, f)
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flags.YasmFlags = append(flags.YasmFlags, f)
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}
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if compiler.Properties.Include_build_directory == nil ||
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*compiler.Properties.Include_build_directory {
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flags.GlobalFlags = append(flags.GlobalFlags, "-I"+android.PathForModuleSrc(ctx).String())
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flags.YasmFlags = append(flags.YasmFlags, "-I"+android.PathForModuleSrc(ctx).String())
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}
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if !(ctx.useSdk() || ctx.useVndk()) || ctx.Host() {
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flags.SystemIncludeFlags = append(flags.SystemIncludeFlags,
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"${config.CommonGlobalIncludes}",
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tc.IncludeFlags(),
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"${config.CommonNativehelperInclude}")
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}
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if ctx.useSdk() {
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// TODO: Switch to --sysroot.
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// The NDK headers are installed to a common sysroot. While a more
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// typical Soong approach would be to only make the headers for the
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// library you're using available, we're trying to emulate the NDK
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// behavior here, and the NDK always has all the NDK headers available.
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flags.SystemIncludeFlags = append(flags.SystemIncludeFlags,
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"-isystem "+getCurrentIncludePath(ctx).String(),
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"-isystem "+getCurrentIncludePath(ctx).Join(ctx, config.NDKTriple(tc)).String())
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// TODO: Migrate to API suffixed triple?
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// Traditionally this has come from android/api-level.h, but with the
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// libc headers unified it must be set by the build system since we
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// don't have per-API level copies of that header now.
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version := ctx.sdkVersion()
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if version == "current" {
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version = "__ANDROID_API_FUTURE__"
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}
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flags.GlobalFlags = append(flags.GlobalFlags,
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"-D__ANDROID_API__="+version)
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}
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if ctx.useVndk() {
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// sdkVersion() returns VNDK version for vendor modules.
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version := ctx.sdkVersion()
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if version == "current" {
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version = "__ANDROID_API_FUTURE__"
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}
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flags.GlobalFlags = append(flags.GlobalFlags,
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"-D__ANDROID_API__="+version, "-D__ANDROID_VNDK__")
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}
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if ctx.inRecovery() {
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flags.GlobalFlags = append(flags.GlobalFlags, "-D__ANDROID_RECOVERY__")
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}
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if ctx.apexName() != "" {
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flags.GlobalFlags = append(flags.GlobalFlags, "-D__ANDROID_APEX__="+ctx.apexName())
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}
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instructionSet := String(compiler.Properties.Instruction_set)
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if flags.RequiredInstructionSet != "" {
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instructionSet = flags.RequiredInstructionSet
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}
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instructionSetFlags, err := tc.ClangInstructionSetFlags(instructionSet)
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if err != nil {
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ctx.ModuleErrorf("%s", err)
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}
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CheckBadCompilerFlags(ctx, "release.cflags", compiler.Properties.Release.Cflags)
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// TODO: debug
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flags.CFlags = append(flags.CFlags, esc(compiler.Properties.Release.Cflags)...)
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CheckBadCompilerFlags(ctx, "clang_cflags", compiler.Properties.Clang_cflags)
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CheckBadCompilerFlags(ctx, "clang_asflags", compiler.Properties.Clang_asflags)
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flags.CFlags = config.ClangFilterUnknownCflags(flags.CFlags)
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flags.CFlags = append(flags.CFlags, esc(compiler.Properties.Clang_cflags)...)
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flags.AsFlags = append(flags.AsFlags, esc(compiler.Properties.Clang_asflags)...)
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flags.CppFlags = config.ClangFilterUnknownCflags(flags.CppFlags)
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flags.ConlyFlags = config.ClangFilterUnknownCflags(flags.ConlyFlags)
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flags.LdFlags = config.ClangFilterUnknownCflags(flags.LdFlags)
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target := "-target " + tc.ClangTriple()
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gccPrefix := "-B" + config.ToolPath(tc)
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flags.CFlags = append(flags.CFlags, target, gccPrefix)
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flags.AsFlags = append(flags.AsFlags, target, gccPrefix)
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flags.LdFlags = append(flags.LdFlags, target, gccPrefix)
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hod := "Host"
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if ctx.Os().Class == android.Device {
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hod = "Device"
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}
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flags.GlobalFlags = append(flags.GlobalFlags, instructionSetFlags)
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flags.ConlyFlags = append([]string{"${config.CommonGlobalConlyflags}"}, flags.ConlyFlags...)
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flags.CppFlags = append([]string{fmt.Sprintf("${config.%sGlobalCppflags}", hod)}, flags.CppFlags...)
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flags.AsFlags = append(flags.AsFlags, tc.ClangAsflags())
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flags.CppFlags = append([]string{"${config.CommonClangGlobalCppflags}"}, flags.CppFlags...)
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flags.GlobalFlags = append(flags.GlobalFlags,
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tc.ClangCflags(),
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"${config.CommonClangGlobalCflags}",
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fmt.Sprintf("${config.%sClangGlobalCflags}", hod))
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if strings.HasPrefix(android.PathForModuleSrc(ctx).String(), "external/") {
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flags.GlobalFlags = append([]string{"${config.ClangExternalCflags}"}, flags.GlobalFlags...)
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}
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if tc.Bionic() {
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if Bool(compiler.Properties.Rtti) {
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flags.CppFlags = append(flags.CppFlags, "-frtti")
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} else {
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flags.CppFlags = append(flags.CppFlags, "-fno-rtti")
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}
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}
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flags.AsFlags = append(flags.AsFlags, "-D__ASSEMBLY__")
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flags.CppFlags = append(flags.CppFlags, tc.ClangCppflags())
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flags.YasmFlags = append(flags.YasmFlags, tc.YasmFlags())
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flags.GlobalFlags = append(flags.GlobalFlags, tc.ToolchainClangCflags())
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cStd := config.CStdVersion
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if String(compiler.Properties.C_std) == "experimental" {
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cStd = config.ExperimentalCStdVersion
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} else if String(compiler.Properties.C_std) != "" {
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cStd = String(compiler.Properties.C_std)
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}
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cppStd := String(compiler.Properties.Cpp_std)
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switch String(compiler.Properties.Cpp_std) {
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case "":
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cppStd = config.CppStdVersion
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case "experimental":
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cppStd = config.ExperimentalCppStdVersion
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}
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if compiler.Properties.Gnu_extensions != nil && *compiler.Properties.Gnu_extensions == false {
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cStd = gnuToCReplacer.Replace(cStd)
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cppStd = gnuToCReplacer.Replace(cppStd)
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}
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flags.ConlyFlags = append([]string{"-std=" + cStd}, flags.ConlyFlags...)
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flags.CppFlags = append([]string{"-std=" + cppStd}, flags.CppFlags...)
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if ctx.useVndk() {
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flags.CFlags = append(flags.CFlags, esc(compiler.Properties.Target.Vendor.Cflags)...)
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}
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if ctx.inRecovery() {
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flags.CFlags = append(flags.CFlags, esc(compiler.Properties.Target.Recovery.Cflags)...)
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}
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// We can enforce some rules more strictly in the code we own. strict
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// indicates if this is code that we can be stricter with. If we have
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// rules that we want to apply to *our* code (but maybe can't for
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// vendor/device specific things), we could extend this to be a ternary
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// value.
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strict := true
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if strings.HasPrefix(android.PathForModuleSrc(ctx).String(), "external/") {
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strict = false
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}
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// Can be used to make some annotations stricter for code we can fix
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// (such as when we mark functions as deprecated).
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if strict {
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flags.CFlags = append(flags.CFlags, "-DANDROID_STRICT")
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}
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if compiler.hasSrcExt(".proto") {
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flags = protoFlags(ctx, flags, &compiler.Proto)
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}
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if compiler.hasSrcExt(".y") || compiler.hasSrcExt(".yy") {
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flags.GlobalFlags = append(flags.GlobalFlags,
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"-I"+android.PathForModuleGen(ctx, "yacc", ctx.ModuleDir()).String())
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}
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if compiler.hasSrcExt(".mc") {
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flags.GlobalFlags = append(flags.GlobalFlags,
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"-I"+android.PathForModuleGen(ctx, "windmc", ctx.ModuleDir()).String())
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}
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if compiler.hasSrcExt(".aidl") {
|
|
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.GlobalFlags = append(flags.GlobalFlags,
|
|
"-I"+android.PathForModuleGen(ctx, "aidl").String())
|
|
}
|
|
|
|
if compiler.hasSrcExt(".rs") || compiler.hasSrcExt(".fs") {
|
|
flags = rsFlags(ctx, flags, &compiler.Properties)
|
|
}
|
|
|
|
if compiler.hasSrcExt(".sysprop") {
|
|
flags.GlobalFlags = append(flags.GlobalFlags,
|
|
"-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.CFlags) || inList("-Wno-error", flags.CppFlags) {
|
|
addToModuleList(ctx, modulesUsingWnoErrorKey, module)
|
|
} else if !inList("-Werror", flags.CFlags) && !inList("-Werror", flags.CppFlags) {
|
|
if warningsAreAllowed(ctx.ModuleDir()) {
|
|
addToModuleList(ctx, modulesAddedWallKey, module)
|
|
flags.CFlags = append([]string{"-Wall"}, flags.CFlags...)
|
|
} else {
|
|
flags.CFlags = append([]string{"-Wall", "-Werror"}, flags.CFlags...)
|
|
}
|
|
}
|
|
}
|
|
|
|
if Bool(compiler.Properties.Openmp) {
|
|
flags.CFlags = append(flags.CFlags, "-fopenmp")
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
var gnuToCReplacer = strings.NewReplacer("gnu", "c")
|
|
|
|
func ndkPathDeps(ctx ModuleContext) android.Paths {
|
|
if ctx.useSdk() {
|
|
// 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.GeneratedHeaders
|
|
pathDeps = append(pathDeps, ndkPathDeps(ctx)...)
|
|
|
|
buildFlags := flagsToBuilderFlags(flags)
|
|
|
|
srcs := append(android.Paths(nil), compiler.srcsBeforeGen...)
|
|
|
|
srcs, genDeps := genSources(ctx, srcs, buildFlags)
|
|
pathDeps = append(pathDeps, genDeps...)
|
|
|
|
compiler.pathDeps = pathDeps
|
|
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)
|
|
}
|