3bf97bd1c0
Previously we ran mutators in bp2build mode to add dependencies, now we look up modules by name directly. Remove workarounds to allow bp2build mode to not fail when adding/handling dependencies. Test: m bp2build Change-Id: Ibf6fd905150cac306e5c395902ef28f609f4df2a
804 lines
26 KiB
Go
804 lines
26 KiB
Go
// Copyright 2019 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 rust
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import (
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"fmt"
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"regexp"
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"strings"
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"android/soong/android"
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"android/soong/cc"
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"android/soong/snapshot"
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)
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var (
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DylibStdlibSuffix = ".dylib-std"
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RlibStdlibSuffix = ".rlib-std"
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)
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func init() {
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android.RegisterModuleType("rust_library", RustLibraryFactory)
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android.RegisterModuleType("rust_library_dylib", RustLibraryDylibFactory)
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android.RegisterModuleType("rust_library_rlib", RustLibraryRlibFactory)
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android.RegisterModuleType("rust_library_host", RustLibraryHostFactory)
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android.RegisterModuleType("rust_library_host_dylib", RustLibraryDylibHostFactory)
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android.RegisterModuleType("rust_library_host_rlib", RustLibraryRlibHostFactory)
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android.RegisterModuleType("rust_ffi", RustFFIFactory)
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android.RegisterModuleType("rust_ffi_shared", RustFFISharedFactory)
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android.RegisterModuleType("rust_ffi_static", RustFFIStaticFactory)
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android.RegisterModuleType("rust_ffi_host", RustFFIHostFactory)
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android.RegisterModuleType("rust_ffi_host_shared", RustFFISharedHostFactory)
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android.RegisterModuleType("rust_ffi_host_static", RustFFIStaticHostFactory)
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}
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type VariantLibraryProperties struct {
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Enabled *bool `android:"arch_variant"`
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Srcs []string `android:"path,arch_variant"`
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}
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type LibraryCompilerProperties struct {
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Rlib VariantLibraryProperties `android:"arch_variant"`
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Dylib VariantLibraryProperties `android:"arch_variant"`
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Shared VariantLibraryProperties `android:"arch_variant"`
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Static VariantLibraryProperties `android:"arch_variant"`
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// path to include directories to pass to cc_* modules, only relevant for static/shared variants.
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Include_dirs []string `android:"path,arch_variant"`
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// Whether this library is part of the Rust toolchain sysroot.
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Sysroot *bool
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}
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type LibraryMutatedProperties struct {
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// Build a dylib variant
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BuildDylib bool `blueprint:"mutated"`
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// Build an rlib variant
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BuildRlib bool `blueprint:"mutated"`
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// Build a shared library variant
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BuildShared bool `blueprint:"mutated"`
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// Build a static library variant
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BuildStatic bool `blueprint:"mutated"`
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// This variant is a dylib
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VariantIsDylib bool `blueprint:"mutated"`
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// This variant is an rlib
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VariantIsRlib bool `blueprint:"mutated"`
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// This variant is a shared library
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VariantIsShared bool `blueprint:"mutated"`
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// This variant is a static library
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VariantIsStatic bool `blueprint:"mutated"`
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// This variant is a source provider
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VariantIsSource bool `blueprint:"mutated"`
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// This variant is disabled and should not be compiled
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// (used for SourceProvider variants that produce only source)
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VariantIsDisabled bool `blueprint:"mutated"`
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// Whether this library variant should be link libstd via rlibs
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VariantIsStaticStd bool `blueprint:"mutated"`
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}
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type libraryDecorator struct {
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*baseCompiler
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*flagExporter
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stripper Stripper
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Properties LibraryCompilerProperties
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MutatedProperties LibraryMutatedProperties
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includeDirs android.Paths
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sourceProvider SourceProvider
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collectedSnapshotHeaders android.Paths
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// table-of-contents file for cdylib crates to optimize out relinking when possible
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tocFile android.OptionalPath
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}
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type libraryInterface interface {
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rlib() bool
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dylib() bool
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static() bool
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shared() bool
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sysroot() bool
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source() bool
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// Returns true if the build options for the module have selected a particular build type
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buildRlib() bool
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buildDylib() bool
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buildShared() bool
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buildStatic() bool
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// Sets a particular variant type
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setRlib()
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setDylib()
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setShared()
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setStatic()
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setSource()
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// libstd linkage functions
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rlibStd() bool
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setRlibStd()
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setDylibStd()
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// Build a specific library variant
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BuildOnlyFFI()
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BuildOnlyRust()
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BuildOnlyRlib()
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BuildOnlyDylib()
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BuildOnlyStatic()
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BuildOnlyShared()
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toc() android.OptionalPath
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}
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func (library *libraryDecorator) nativeCoverage() bool {
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return true
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}
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func (library *libraryDecorator) toc() android.OptionalPath {
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return library.tocFile
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}
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func (library *libraryDecorator) rlib() bool {
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return library.MutatedProperties.VariantIsRlib
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}
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func (library *libraryDecorator) sysroot() bool {
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return Bool(library.Properties.Sysroot)
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}
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func (library *libraryDecorator) dylib() bool {
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return library.MutatedProperties.VariantIsDylib
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}
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func (library *libraryDecorator) shared() bool {
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return library.MutatedProperties.VariantIsShared
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}
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func (library *libraryDecorator) static() bool {
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return library.MutatedProperties.VariantIsStatic
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}
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func (library *libraryDecorator) source() bool {
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return library.MutatedProperties.VariantIsSource
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}
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func (library *libraryDecorator) buildRlib() bool {
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return library.MutatedProperties.BuildRlib && BoolDefault(library.Properties.Rlib.Enabled, true)
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}
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func (library *libraryDecorator) buildDylib() bool {
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return library.MutatedProperties.BuildDylib && BoolDefault(library.Properties.Dylib.Enabled, true)
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}
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func (library *libraryDecorator) buildShared() bool {
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return library.MutatedProperties.BuildShared && BoolDefault(library.Properties.Shared.Enabled, true)
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}
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func (library *libraryDecorator) buildStatic() bool {
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return library.MutatedProperties.BuildStatic && BoolDefault(library.Properties.Static.Enabled, true)
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}
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func (library *libraryDecorator) setRlib() {
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library.MutatedProperties.VariantIsRlib = true
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library.MutatedProperties.VariantIsDylib = false
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library.MutatedProperties.VariantIsStatic = false
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library.MutatedProperties.VariantIsShared = false
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}
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func (library *libraryDecorator) setDylib() {
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library.MutatedProperties.VariantIsRlib = false
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library.MutatedProperties.VariantIsDylib = true
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library.MutatedProperties.VariantIsStatic = false
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library.MutatedProperties.VariantIsShared = false
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}
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func (library *libraryDecorator) rlibStd() bool {
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return library.MutatedProperties.VariantIsStaticStd
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}
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func (library *libraryDecorator) setRlibStd() {
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library.MutatedProperties.VariantIsStaticStd = true
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}
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func (library *libraryDecorator) setDylibStd() {
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library.MutatedProperties.VariantIsStaticStd = false
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}
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func (library *libraryDecorator) setShared() {
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library.MutatedProperties.VariantIsStatic = false
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library.MutatedProperties.VariantIsShared = true
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library.MutatedProperties.VariantIsRlib = false
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library.MutatedProperties.VariantIsDylib = false
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}
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func (library *libraryDecorator) setStatic() {
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library.MutatedProperties.VariantIsStatic = true
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library.MutatedProperties.VariantIsShared = false
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library.MutatedProperties.VariantIsRlib = false
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library.MutatedProperties.VariantIsDylib = false
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}
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func (library *libraryDecorator) setSource() {
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library.MutatedProperties.VariantIsSource = true
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}
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func (library *libraryDecorator) autoDep(ctx android.BottomUpMutatorContext) autoDep {
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if ctx.Module().(*Module).InVendor() {
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// Vendor modules should statically link libstd.
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return rlibAutoDep
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} else if library.preferRlib() {
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return rlibAutoDep
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} else if library.rlib() || library.static() {
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return rlibAutoDep
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} else if library.dylib() || library.shared() {
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return dylibAutoDep
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} else {
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panic(fmt.Errorf("autoDep called on library %q that has no enabled variants.", ctx.ModuleName()))
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}
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}
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func (library *libraryDecorator) stdLinkage(ctx *depsContext) RustLinkage {
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if ctx.RustModule().InVendor() {
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// Vendor modules should statically link libstd.
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return RlibLinkage
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} else if library.static() || library.MutatedProperties.VariantIsStaticStd {
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return RlibLinkage
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} else if library.baseCompiler.preferRlib() {
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return RlibLinkage
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}
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return DefaultLinkage
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}
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var _ compiler = (*libraryDecorator)(nil)
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var _ libraryInterface = (*libraryDecorator)(nil)
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var _ exportedFlagsProducer = (*libraryDecorator)(nil)
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// rust_library produces all rust variants.
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func RustLibraryFactory() android.Module {
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module, library := NewRustLibrary(android.HostAndDeviceSupported)
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library.BuildOnlyRust()
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return module.Init()
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}
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// rust_ffi produces all ffi variants.
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func RustFFIFactory() android.Module {
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module, library := NewRustLibrary(android.HostAndDeviceSupported)
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library.BuildOnlyFFI()
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return module.Init()
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}
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// rust_library_dylib produces a dylib.
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func RustLibraryDylibFactory() android.Module {
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module, library := NewRustLibrary(android.HostAndDeviceSupported)
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library.BuildOnlyDylib()
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return module.Init()
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}
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// rust_library_rlib produces an rlib.
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func RustLibraryRlibFactory() android.Module {
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module, library := NewRustLibrary(android.HostAndDeviceSupported)
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library.BuildOnlyRlib()
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return module.Init()
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}
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// rust_ffi_shared produces a shared library.
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func RustFFISharedFactory() android.Module {
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module, library := NewRustLibrary(android.HostAndDeviceSupported)
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library.BuildOnlyShared()
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return module.Init()
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}
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// rust_ffi_static produces a static library.
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func RustFFIStaticFactory() android.Module {
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module, library := NewRustLibrary(android.HostAndDeviceSupported)
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library.BuildOnlyStatic()
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return module.Init()
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}
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// rust_library_host produces all rust variants.
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func RustLibraryHostFactory() android.Module {
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module, library := NewRustLibrary(android.HostSupported)
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library.BuildOnlyRust()
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return module.Init()
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}
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// rust_ffi_host produces all FFI variants.
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func RustFFIHostFactory() android.Module {
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module, library := NewRustLibrary(android.HostSupported)
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library.BuildOnlyFFI()
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return module.Init()
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}
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// rust_library_dylib_host produces a dylib.
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func RustLibraryDylibHostFactory() android.Module {
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module, library := NewRustLibrary(android.HostSupported)
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library.BuildOnlyDylib()
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return module.Init()
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}
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// rust_library_rlib_host produces an rlib.
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func RustLibraryRlibHostFactory() android.Module {
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module, library := NewRustLibrary(android.HostSupported)
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library.BuildOnlyRlib()
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return module.Init()
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}
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// rust_ffi_static_host produces a static library.
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func RustFFIStaticHostFactory() android.Module {
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module, library := NewRustLibrary(android.HostSupported)
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library.BuildOnlyStatic()
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return module.Init()
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}
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// rust_ffi_shared_host produces an shared library.
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func RustFFISharedHostFactory() android.Module {
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module, library := NewRustLibrary(android.HostSupported)
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library.BuildOnlyShared()
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return module.Init()
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}
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func (library *libraryDecorator) BuildOnlyFFI() {
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library.MutatedProperties.BuildDylib = false
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library.MutatedProperties.BuildRlib = false
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library.MutatedProperties.BuildShared = true
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library.MutatedProperties.BuildStatic = true
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}
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func (library *libraryDecorator) BuildOnlyRust() {
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library.MutatedProperties.BuildDylib = true
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library.MutatedProperties.BuildRlib = true
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library.MutatedProperties.BuildShared = false
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library.MutatedProperties.BuildStatic = false
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}
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func (library *libraryDecorator) BuildOnlyDylib() {
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library.MutatedProperties.BuildDylib = true
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library.MutatedProperties.BuildRlib = false
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library.MutatedProperties.BuildShared = false
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library.MutatedProperties.BuildStatic = false
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}
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func (library *libraryDecorator) BuildOnlyRlib() {
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library.MutatedProperties.BuildDylib = false
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library.MutatedProperties.BuildRlib = true
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library.MutatedProperties.BuildShared = false
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library.MutatedProperties.BuildStatic = false
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}
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func (library *libraryDecorator) BuildOnlyStatic() {
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library.MutatedProperties.BuildRlib = false
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library.MutatedProperties.BuildDylib = false
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library.MutatedProperties.BuildShared = false
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library.MutatedProperties.BuildStatic = true
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}
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func (library *libraryDecorator) BuildOnlyShared() {
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library.MutatedProperties.BuildRlib = false
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library.MutatedProperties.BuildDylib = false
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library.MutatedProperties.BuildStatic = false
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library.MutatedProperties.BuildShared = true
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}
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func NewRustLibrary(hod android.HostOrDeviceSupported) (*Module, *libraryDecorator) {
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module := newModule(hod, android.MultilibBoth)
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library := &libraryDecorator{
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MutatedProperties: LibraryMutatedProperties{
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BuildDylib: false,
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BuildRlib: false,
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BuildShared: false,
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BuildStatic: false,
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},
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baseCompiler: NewBaseCompiler("lib", "lib64", InstallInSystem),
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flagExporter: NewFlagExporter(),
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}
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module.compiler = library
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return module, library
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}
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func (library *libraryDecorator) compilerProps() []interface{} {
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return append(library.baseCompiler.compilerProps(),
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&library.Properties,
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&library.MutatedProperties,
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&library.stripper.StripProperties)
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}
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func (library *libraryDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
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deps = library.baseCompiler.compilerDeps(ctx, deps)
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if library.dylib() || library.shared() {
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if ctx.toolchain().Bionic() {
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deps = bionicDeps(ctx, deps, false)
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deps.CrtBegin = []string{"crtbegin_so"}
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deps.CrtEnd = []string{"crtend_so"}
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} else if ctx.Os() == android.LinuxMusl {
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deps = muslDeps(ctx, deps, false)
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deps.CrtBegin = []string{"libc_musl_crtbegin_so"}
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deps.CrtEnd = []string{"libc_musl_crtend_so"}
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}
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}
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return deps
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}
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func (library *libraryDecorator) sharedLibFilename(ctx ModuleContext) string {
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return library.getStem(ctx) + ctx.toolchain().SharedLibSuffix()
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}
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func (library *libraryDecorator) cfgFlags(ctx ModuleContext, flags Flags) Flags {
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flags = library.baseCompiler.cfgFlags(ctx, flags)
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if library.dylib() {
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// We need to add a dependency on std in order to link crates as dylibs.
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// The hack to add this dependency is guarded by the following cfg so
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// that we don't force a dependency when it isn't needed.
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library.baseCompiler.Properties.Cfgs = append(library.baseCompiler.Properties.Cfgs, "android_dylib")
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}
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flags.RustFlags = append(flags.RustFlags, library.baseCompiler.cfgsToFlags()...)
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flags.RustdocFlags = append(flags.RustdocFlags, library.baseCompiler.cfgsToFlags()...)
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return flags
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}
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func (library *libraryDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
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flags = library.baseCompiler.compilerFlags(ctx, flags)
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flags.RustFlags = append(flags.RustFlags, "-C metadata="+ctx.ModuleName())
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if library.shared() || library.static() {
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library.includeDirs = append(library.includeDirs, android.PathsForModuleSrc(ctx, library.Properties.Include_dirs)...)
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}
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if library.shared() {
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flags.LinkFlags = append(flags.LinkFlags, "-Wl,-soname="+library.sharedLibFilename(ctx))
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}
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return flags
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}
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func (library *libraryDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput {
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var outputFile android.ModuleOutPath
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var ret buildOutput
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var fileName string
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srcPath := library.srcPath(ctx, deps)
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if library.sourceProvider != nil {
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deps.srcProviderFiles = append(deps.srcProviderFiles, library.sourceProvider.Srcs()...)
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}
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// Calculate output filename
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if library.rlib() {
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fileName = library.getStem(ctx) + ctx.toolchain().RlibSuffix()
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outputFile = android.PathForModuleOut(ctx, fileName)
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ret.outputFile = outputFile
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} else if library.dylib() {
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fileName = library.getStem(ctx) + ctx.toolchain().DylibSuffix()
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outputFile = android.PathForModuleOut(ctx, fileName)
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ret.outputFile = outputFile
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} else if library.static() {
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fileName = library.getStem(ctx) + ctx.toolchain().StaticLibSuffix()
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outputFile = android.PathForModuleOut(ctx, fileName)
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ret.outputFile = outputFile
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} else if library.shared() {
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fileName = library.sharedLibFilename(ctx)
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outputFile = android.PathForModuleOut(ctx, fileName)
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ret.outputFile = outputFile
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}
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if !library.rlib() && !library.static() && library.stripper.NeedsStrip(ctx) {
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strippedOutputFile := outputFile
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outputFile = android.PathForModuleOut(ctx, "unstripped", fileName)
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library.stripper.StripExecutableOrSharedLib(ctx, outputFile, strippedOutputFile)
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library.baseCompiler.strippedOutputFile = android.OptionalPathForPath(strippedOutputFile)
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}
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library.baseCompiler.unstrippedOutputFile = outputFile
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flags.RustFlags = append(flags.RustFlags, deps.depFlags...)
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flags.LinkFlags = append(flags.LinkFlags, deps.depLinkFlags...)
|
|
flags.LinkFlags = append(flags.LinkFlags, deps.linkObjects...)
|
|
|
|
if library.dylib() {
|
|
// We need prefer-dynamic for now to avoid linking in the static stdlib. See:
|
|
// https://github.com/rust-lang/rust/issues/19680
|
|
// https://github.com/rust-lang/rust/issues/34909
|
|
flags.RustFlags = append(flags.RustFlags, "-C prefer-dynamic")
|
|
}
|
|
|
|
// Call the appropriate builder for this library type
|
|
if library.rlib() {
|
|
ret.kytheFile = TransformSrctoRlib(ctx, srcPath, deps, flags, outputFile).kytheFile
|
|
} else if library.dylib() {
|
|
ret.kytheFile = TransformSrctoDylib(ctx, srcPath, deps, flags, outputFile).kytheFile
|
|
} else if library.static() {
|
|
ret.kytheFile = TransformSrctoStatic(ctx, srcPath, deps, flags, outputFile).kytheFile
|
|
} else if library.shared() {
|
|
ret.kytheFile = TransformSrctoShared(ctx, srcPath, deps, flags, outputFile).kytheFile
|
|
}
|
|
|
|
if library.rlib() || library.dylib() {
|
|
library.flagExporter.exportLinkDirs(deps.linkDirs...)
|
|
library.flagExporter.exportLinkObjects(deps.linkObjects...)
|
|
}
|
|
|
|
if library.static() || library.shared() {
|
|
ctx.SetProvider(cc.FlagExporterInfoProvider, cc.FlagExporterInfo{
|
|
IncludeDirs: library.includeDirs,
|
|
})
|
|
}
|
|
|
|
if library.shared() {
|
|
// Optimize out relinking against shared libraries whose interface hasn't changed by
|
|
// depending on a table of contents file instead of the library itself.
|
|
tocFile := outputFile.ReplaceExtension(ctx, flags.Toolchain.SharedLibSuffix()[1:]+".toc")
|
|
library.tocFile = android.OptionalPathForPath(tocFile)
|
|
cc.TransformSharedObjectToToc(ctx, outputFile, tocFile)
|
|
|
|
ctx.SetProvider(cc.SharedLibraryInfoProvider, cc.SharedLibraryInfo{
|
|
TableOfContents: android.OptionalPathForPath(tocFile),
|
|
SharedLibrary: outputFile,
|
|
Target: ctx.Target(),
|
|
})
|
|
}
|
|
|
|
if library.static() {
|
|
depSet := android.NewDepSetBuilder(android.TOPOLOGICAL).Direct(outputFile).Build()
|
|
ctx.SetProvider(cc.StaticLibraryInfoProvider, cc.StaticLibraryInfo{
|
|
StaticLibrary: outputFile,
|
|
|
|
TransitiveStaticLibrariesForOrdering: depSet,
|
|
})
|
|
}
|
|
|
|
library.flagExporter.setProvider(ctx)
|
|
|
|
return ret
|
|
}
|
|
|
|
func (library *libraryDecorator) srcPath(ctx ModuleContext, _ PathDeps) android.Path {
|
|
if library.sourceProvider != nil {
|
|
// Assume the first source from the source provider is the library entry point.
|
|
return library.sourceProvider.Srcs()[0]
|
|
} else {
|
|
path, _ := srcPathFromModuleSrcs(ctx, library.baseCompiler.Properties.Srcs)
|
|
return path
|
|
}
|
|
}
|
|
|
|
func (library *libraryDecorator) rustdoc(ctx ModuleContext, flags Flags,
|
|
deps PathDeps) android.OptionalPath {
|
|
// rustdoc has builtin support for documenting config specific information
|
|
// regardless of the actual config it was given
|
|
// (https://doc.rust-lang.org/rustdoc/advanced-features.html#cfgdoc-documenting-platform-specific-or-feature-specific-information),
|
|
// so we generate the rustdoc for only the primary module so that we have a
|
|
// single set of docs to refer to.
|
|
if ctx.Module() != ctx.PrimaryModule() {
|
|
return android.OptionalPath{}
|
|
}
|
|
|
|
return android.OptionalPathForPath(Rustdoc(ctx, library.srcPath(ctx, deps),
|
|
deps, flags))
|
|
}
|
|
|
|
func (library *libraryDecorator) getStem(ctx ModuleContext) string {
|
|
stem := library.baseCompiler.getStemWithoutSuffix(ctx)
|
|
validateLibraryStem(ctx, stem, library.crateName())
|
|
|
|
return stem + String(library.baseCompiler.Properties.Suffix)
|
|
}
|
|
|
|
func (library *libraryDecorator) install(ctx ModuleContext) {
|
|
// Only shared and dylib variants make sense to install.
|
|
if library.shared() || library.dylib() {
|
|
library.baseCompiler.install(ctx)
|
|
}
|
|
}
|
|
|
|
func (library *libraryDecorator) Disabled() bool {
|
|
return library.MutatedProperties.VariantIsDisabled
|
|
}
|
|
|
|
func (library *libraryDecorator) SetDisabled() {
|
|
library.MutatedProperties.VariantIsDisabled = true
|
|
}
|
|
|
|
var validCrateName = regexp.MustCompile("[^a-zA-Z0-9_]+")
|
|
|
|
func validateLibraryStem(ctx BaseModuleContext, filename string, crate_name string) {
|
|
if crate_name == "" {
|
|
ctx.PropertyErrorf("crate_name", "crate_name must be defined.")
|
|
}
|
|
|
|
// crate_names are used for the library output file, and rustc expects these
|
|
// to be alphanumeric with underscores allowed.
|
|
if validCrateName.MatchString(crate_name) {
|
|
ctx.PropertyErrorf("crate_name",
|
|
"library crate_names must be alphanumeric with underscores allowed")
|
|
}
|
|
|
|
// Libraries are expected to begin with "lib" followed by the crate_name
|
|
if !strings.HasPrefix(filename, "lib"+crate_name) {
|
|
ctx.ModuleErrorf("Invalid name or stem property; library filenames must start with lib<crate_name>")
|
|
}
|
|
}
|
|
|
|
// LibraryMutator mutates the libraries into variants according to the
|
|
// build{Rlib,Dylib} attributes.
|
|
func LibraryMutator(mctx android.BottomUpMutatorContext) {
|
|
// Only mutate on Rust libraries.
|
|
m, ok := mctx.Module().(*Module)
|
|
if !ok || m.compiler == nil {
|
|
return
|
|
}
|
|
library, ok := m.compiler.(libraryInterface)
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
var variants []string
|
|
// The source variant is used for SourceProvider modules. The other variants (i.e. rlib and dylib)
|
|
// depend on this variant. It must be the first variant to be declared.
|
|
sourceVariant := false
|
|
if m.sourceProvider != nil {
|
|
variants = append(variants, "source")
|
|
sourceVariant = true
|
|
}
|
|
if library.buildRlib() {
|
|
variants = append(variants, rlibVariation)
|
|
}
|
|
if library.buildDylib() {
|
|
variants = append(variants, dylibVariation)
|
|
}
|
|
|
|
if len(variants) == 0 {
|
|
return
|
|
}
|
|
modules := mctx.CreateLocalVariations(variants...)
|
|
|
|
// The order of the variations (modules) matches the variant names provided. Iterate
|
|
// through the new variation modules and set their mutated properties.
|
|
for i, v := range modules {
|
|
switch variants[i] {
|
|
case rlibVariation:
|
|
v.(*Module).compiler.(libraryInterface).setRlib()
|
|
case dylibVariation:
|
|
v.(*Module).compiler.(libraryInterface).setDylib()
|
|
if v.(*Module).ModuleBase.ImageVariation().Variation == android.VendorRamdiskVariation {
|
|
// TODO(b/165791368)
|
|
// Disable dylib Vendor Ramdisk variations until we support these.
|
|
v.(*Module).Disable()
|
|
}
|
|
|
|
variation := v.(*Module).ModuleBase.ImageVariation().Variation
|
|
if strings.HasPrefix(variation, cc.VendorVariationPrefix) {
|
|
// TODO(b/204303985)
|
|
// Disable vendor dylibs until they are supported
|
|
v.(*Module).Disable()
|
|
}
|
|
|
|
if strings.HasPrefix(variation, cc.VendorVariationPrefix) &&
|
|
m.HasVendorVariant() &&
|
|
!snapshot.IsVendorProprietaryModule(mctx) &&
|
|
strings.TrimPrefix(variation, cc.VendorVariationPrefix) == mctx.DeviceConfig().VndkVersion() {
|
|
|
|
// cc.MutateImage runs before LibraryMutator, so vendor variations which are meant for rlibs only are
|
|
// produced for Dylibs; however, dylibs should not be enabled for boardVndkVersion for
|
|
// non-vendor proprietary modules.
|
|
v.(*Module).Disable()
|
|
}
|
|
|
|
case "source":
|
|
v.(*Module).compiler.(libraryInterface).setSource()
|
|
// The source variant does not produce any library.
|
|
// Disable the compilation steps.
|
|
v.(*Module).compiler.SetDisabled()
|
|
}
|
|
}
|
|
|
|
// If a source variant is created, add an inter-variant dependency
|
|
// between the other variants and the source variant.
|
|
if sourceVariant {
|
|
sv := modules[0]
|
|
for _, v := range modules[1:] {
|
|
if !v.Enabled() {
|
|
continue
|
|
}
|
|
mctx.AddInterVariantDependency(sourceDepTag, v, sv)
|
|
}
|
|
// Alias the source variation so it can be named directly in "srcs" properties.
|
|
mctx.AliasVariation("source")
|
|
}
|
|
}
|
|
|
|
func LibstdMutator(mctx android.BottomUpMutatorContext) {
|
|
if m, ok := mctx.Module().(*Module); ok && m.compiler != nil && !m.compiler.Disabled() {
|
|
switch library := m.compiler.(type) {
|
|
case libraryInterface:
|
|
// Only create a variant if a library is actually being built.
|
|
if library.rlib() && !library.sysroot() {
|
|
variants := []string{"rlib-std", "dylib-std"}
|
|
modules := mctx.CreateLocalVariations(variants...)
|
|
|
|
rlib := modules[0].(*Module)
|
|
dylib := modules[1].(*Module)
|
|
rlib.compiler.(libraryInterface).setRlibStd()
|
|
dylib.compiler.(libraryInterface).setDylibStd()
|
|
if dylib.ModuleBase.ImageVariation().Variation == android.VendorRamdiskVariation ||
|
|
strings.HasPrefix(dylib.ModuleBase.ImageVariation().Variation, cc.VendorVariationPrefix) {
|
|
// TODO(b/165791368)
|
|
// Disable rlibs that link against dylib-std on vendor and vendor ramdisk variations until those dylib
|
|
// variants are properly supported.
|
|
dylib.Disable()
|
|
}
|
|
rlib.Properties.RustSubName += RlibStdlibSuffix
|
|
dylib.Properties.RustSubName += DylibStdlibSuffix
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (l *libraryDecorator) snapshotHeaders() android.Paths {
|
|
if l.collectedSnapshotHeaders == nil {
|
|
panic("snapshotHeaders() must be called after collectHeadersForSnapshot()")
|
|
}
|
|
return l.collectedSnapshotHeaders
|
|
}
|
|
|
|
// collectHeadersForSnapshot collects all exported headers from library.
|
|
// It globs header files in the source tree for exported include directories,
|
|
// and tracks generated header files separately.
|
|
//
|
|
// This is to be called from GenerateAndroidBuildActions, and then collected
|
|
// header files can be retrieved by snapshotHeaders().
|
|
func (l *libraryDecorator) collectHeadersForSnapshot(ctx android.ModuleContext, deps PathDeps) {
|
|
ret := android.Paths{}
|
|
|
|
// Glob together the headers from the modules include_dirs property
|
|
for _, path := range android.CopyOfPaths(l.includeDirs) {
|
|
dir := path.String()
|
|
globDir := dir + "/**/*"
|
|
glob, err := ctx.GlobWithDeps(globDir, nil)
|
|
if err != nil {
|
|
ctx.ModuleErrorf("glob of %q failed: %s", globDir, err)
|
|
return
|
|
}
|
|
|
|
for _, header := range glob {
|
|
// Filter out only the files with extensions that are headers.
|
|
found := false
|
|
for _, ext := range cc.HeaderExts {
|
|
if strings.HasSuffix(header, ext) {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
continue
|
|
}
|
|
ret = append(ret, android.PathForSource(ctx, header))
|
|
}
|
|
}
|
|
|
|
// Glob together the headers from C dependencies as well, starting with non-generated headers.
|
|
ret = append(ret, cc.GlobHeadersForSnapshot(ctx, append(android.CopyOfPaths(deps.depIncludePaths), deps.depSystemIncludePaths...))...)
|
|
|
|
// Collect generated headers from C dependencies.
|
|
ret = append(ret, cc.GlobGeneratedHeadersForSnapshot(ctx, deps.depGeneratedHeaders)...)
|
|
|
|
// TODO(185577950): If support for generated headers is added, they need to be collected here as well.
|
|
l.collectedSnapshotHeaders = ret
|
|
}
|