133 lines
4.4 KiB
Go
133 lines
4.4 KiB
Go
// Copyright 2017 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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"android/soong/android"
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"path/filepath"
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"runtime"
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"strings"
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"github.com/google/blueprint"
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)
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func init() {
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pctx.VariableFunc("rsCmd", func(ctx android.PackageVarContext) string {
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if ctx.Config().UnbundledBuild() {
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// Use RenderScript prebuilts for unbundled builds but not PDK builds
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return filepath.Join("prebuilts/sdk/tools", runtime.GOOS, "bin/llvm-rs-cc")
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} else {
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return pctx.HostBinToolPath(ctx, "llvm-rs-cc").String()
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}
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})
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}
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var rsCppCmdLine = strings.Replace(`
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${rsCmd} -o ${outDir} -d ${outDir} -a ${out} -MD -reflect-c++ ${rsFlags} $in &&
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(echo '${out}: \' && cat ${depFiles} | awk 'start { sub(/( \\)?$$/, " \\"); print } /:/ { start=1 }') > ${out}.d &&
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touch $out
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`, "\n", "", -1)
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var (
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rsCpp = pctx.AndroidStaticRule("rsCpp",
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blueprint.RuleParams{
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Command: rsCppCmdLine,
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CommandDeps: []string{"$rsCmd"},
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Depfile: "${out}.d",
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Deps: blueprint.DepsGCC,
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},
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"depFiles", "outDir", "rsFlags", "stampFile")
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)
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// Takes a path to a .rs or .fs file, and returns a path to a generated ScriptC_*.cpp file
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// This has to match the logic in llvm-rs-cc in DetermineOutputFile.
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func rsGeneratedCppFile(ctx android.ModuleContext, rsFile android.Path) android.WritablePath {
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fileName := strings.TrimSuffix(rsFile.Base(), rsFile.Ext())
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return android.PathForModuleGen(ctx, "rs", "ScriptC_"+fileName+".cpp")
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}
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func rsGeneratedHFile(ctx android.ModuleContext, rsFile android.Path) android.WritablePath {
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fileName := strings.TrimSuffix(rsFile.Base(), rsFile.Ext())
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return android.PathForModuleGen(ctx, "rs", "ScriptC_"+fileName+".h")
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}
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func rsGeneratedDepFile(ctx android.ModuleContext, rsFile android.Path) android.WritablePath {
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fileName := strings.TrimSuffix(rsFile.Base(), rsFile.Ext())
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return android.PathForModuleGen(ctx, "rs", fileName+".d")
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}
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func rsGenerateCpp(ctx android.ModuleContext, rsFiles android.Paths, rsFlags string) android.Paths {
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stampFile := android.PathForModuleGen(ctx, "rs", "rs.stamp")
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depFiles := make(android.WritablePaths, 0, len(rsFiles))
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genFiles := make(android.WritablePaths, 0, 2*len(rsFiles))
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for _, rsFile := range rsFiles {
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depFiles = append(depFiles, rsGeneratedDepFile(ctx, rsFile))
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genFiles = append(genFiles,
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rsGeneratedCppFile(ctx, rsFile),
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rsGeneratedHFile(ctx, rsFile))
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: rsCpp,
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Description: "llvm-rs-cc",
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Output: stampFile,
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ImplicitOutputs: genFiles,
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Inputs: rsFiles,
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Args: map[string]string{
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"rsFlags": rsFlags,
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"outDir": android.PathForModuleGen(ctx, "rs").String(),
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"depFiles": strings.Join(depFiles.Strings(), " "),
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},
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})
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return android.Paths{stampFile}
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}
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func rsFlags(ctx ModuleContext, flags Flags, properties *BaseCompilerProperties) Flags {
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targetApi := String(properties.Renderscript.Target_api)
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if targetApi == "" && ctx.useSdk() {
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switch ctx.sdkVersion() {
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case "current", "system_current", "test_current":
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// Nothing
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default:
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targetApi = android.GetNumericSdkVersion(ctx.sdkVersion())
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}
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}
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if targetApi != "" {
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flags.rsFlags = append(flags.rsFlags, "-target-api "+targetApi)
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}
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flags.rsFlags = append(flags.rsFlags, "-Wall", "-Werror")
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flags.rsFlags = append(flags.rsFlags, properties.Renderscript.Flags...)
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if ctx.Arch().ArchType.Multilib == "lib64" {
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flags.rsFlags = append(flags.rsFlags, "-m64")
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} else {
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flags.rsFlags = append(flags.rsFlags, "-m32")
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}
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flags.rsFlags = append(flags.rsFlags, "${config.RsGlobalIncludes}")
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rootRsIncludeDirs := android.PathsForSource(ctx, properties.Renderscript.Include_dirs)
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flags.rsFlags = append(flags.rsFlags, includeDirsToFlags(rootRsIncludeDirs))
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flags.GlobalFlags = append(flags.GlobalFlags,
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"-I"+android.PathForModuleGen(ctx, "rs").String(),
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"-Iframeworks/rs",
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"-Iframeworks/rs/cpp",
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)
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return flags
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}
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