123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120 |
- // Copyright 2019 The Android Open Source Project
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- package config
- import (
- "strings"
- "android/soong/android"
- _ "android/soong/cc/config"
- )
- var pctx = android.NewPackageContext("android/soong/rust/config")
- var (
- RustDefaultVersion = "1.70.0"
- RustDefaultBase = "prebuilts/rust/"
- DefaultEdition = "2021"
- Stdlibs = []string{
- "libstd",
- }
- // Mapping between Soong internal arch types and std::env constants.
- // Required as Rust uses aarch64 when Soong uses arm64.
- StdEnvArch = map[android.ArchType]string{
- android.Arm: "arm",
- android.Arm64: "aarch64",
- android.X86: "x86",
- android.X86_64: "x86_64",
- }
- GlobalRustFlags = []string{
- "-Z stack-protector=strong",
- "-Z remap-cwd-prefix=.",
- "-C codegen-units=1",
- "-C debuginfo=2",
- "-C opt-level=3",
- "-C relocation-model=pic",
- "-C overflow-checks=on",
- "-C force-unwind-tables=yes",
- // Use v0 mangling to distinguish from C++ symbols
- "-C symbol-mangling-version=v0",
- "--color always",
- "-Zdylib-lto",
- }
- deviceGlobalRustFlags = []string{
- "-C panic=abort",
- "-Z link-native-libraries=no",
- // Generate additional debug info for AutoFDO
- "-Z debug-info-for-profiling",
- }
- deviceGlobalLinkFlags = []string{
- // Prepend the lld flags from cc_config so we stay in sync with cc
- "${cc_config.DeviceGlobalLldflags}",
- // Override cc's --no-undefined-version to allow rustc's generated alloc functions
- "-Wl,--undefined-version",
- "-Wl,-Bdynamic",
- "-nostdlib",
- "-Wl,--pack-dyn-relocs=android+relr",
- "-Wl,--use-android-relr-tags",
- "-Wl,--no-undefined",
- "-B${cc_config.ClangBin}",
- }
- )
- func init() {
- pctx.SourcePathVariable("RustDefaultBase", RustDefaultBase)
- pctx.VariableConfigMethod("HostPrebuiltTag", func(config android.Config) string {
- if config.UseHostMusl() {
- return "linux-musl-x86"
- } else {
- return config.PrebuiltOS()
- }
- })
- pctx.VariableFunc("RustBase", func(ctx android.PackageVarContext) string {
- if override := ctx.Config().Getenv("RUST_PREBUILTS_BASE"); override != "" {
- return override
- }
- return "${RustDefaultBase}"
- })
- pctx.VariableFunc("RustVersion", getRustVersionPctx)
- pctx.StaticVariable("RustPath", "${RustBase}/${HostPrebuiltTag}/${RustVersion}")
- pctx.StaticVariable("RustBin", "${RustPath}/bin")
- pctx.ImportAs("cc_config", "android/soong/cc/config")
- pctx.StaticVariable("RustLinker", "${cc_config.ClangBin}/clang++")
- pctx.StaticVariable("RustLinkerArgs", "-Wl,--as-needed")
- pctx.StaticVariable("DeviceGlobalLinkFlags", strings.Join(deviceGlobalLinkFlags, " "))
- }
- func getRustVersionPctx(ctx android.PackageVarContext) string {
- return GetRustVersion(ctx)
- }
- func GetRustVersion(ctx android.PathContext) string {
- if override := ctx.Config().Getenv("RUST_PREBUILTS_VERSION"); override != "" {
- return override
- }
- return RustDefaultVersion
- }
|