1 // Copyright 2016 Google Inc. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package cc 16 17 import ( 18 "github.com/google/blueprint" 19 "github.com/google/blueprint/proptools" 20 21 "android/soong/android" 22 ) 23 24 // 25 // Device libraries shipped with gcc 26 // 27 28 func init() { 29 android.RegisterModuleType("toolchain_library", toolchainLibraryFactory) 30 } 31 32 type toolchainLibraryDecorator struct { 33 *libraryDecorator 34 } 35 36 func (*toolchainLibraryDecorator) linkerDeps(ctx DepsContext, deps Deps) Deps { 37 // toolchain libraries can't have any dependencies 38 return deps 39 } 40 41 func toolchainLibraryFactory() (blueprint.Module, []interface{}) { 42 module, library := NewLibrary(android.HostAndDeviceSupported) 43 library.BuildOnlyStatic() 44 toolchainLibrary := &toolchainLibraryDecorator{ 45 libraryDecorator: library, 46 } 47 module.compiler = toolchainLibrary 48 module.linker = toolchainLibrary 49 module.Properties.Clang = proptools.BoolPtr(false) 50 module.stl = nil 51 module.sanitize = nil 52 module.installer = nil 53 return module.Init() 54 } 55 56 func (library *toolchainLibraryDecorator) compile(ctx ModuleContext, flags Flags, 57 deps PathDeps) Objects { 58 return Objects{} 59 } 60 61 func (library *toolchainLibraryDecorator) link(ctx ModuleContext, 62 flags Flags, deps PathDeps, objs Objects) android.Path { 63 64 libName := ctx.ModuleName() + staticLibraryExtension 65 outputFile := android.PathForModuleOut(ctx, libName) 66 67 if flags.Clang { 68 ctx.ModuleErrorf("toolchain_library must use GCC, not Clang") 69 } 70 71 CopyGccLib(ctx, libName, flagsToBuilderFlags(flags), outputFile) 72 73 ctx.CheckbuildFile(outputFile) 74 75 return outputFile 76 } 77
