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Use musl rust prebuilts for USE_HOST_MUSL=true

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Building rust code with musl enabled can load proc macro crates built
against musl into rustc, so we have to use a version of rustc also
built against musl.

Bug: 216192129
Test: m USE_HOST_MUSL=true host-native
Change-Id: Icd23b542a4b64a975850a8a4bb4b69183cc6c2c6
This commit is contained in:
Colin Cross 2022-04-28 15:30:09 -07:00
parent 39a1814f24
commit 567d342ed8
3 changed files with 25 additions and 4 deletions
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19
rust/bindgen.go
View file

@ -41,10 +41,25 @@ var (
//TODO(b/160803703) Use a prebuilt bindgen instead of the built bindgen.
_ = pctx.HostBinToolVariable("bindgenCmd", "bindgen")
_ = pctx.VariableFunc("bindgenHostPrebuiltTag", func(ctx android.PackageVarContext) string {
if ctx.Config().UseHostMusl() {
// This is a hack to use the glibc bindgen binary until we have a musl version checked in.
return "linux-x86"
} else {
return "${config.HostPrebuiltTag}"
}
})
_ = pctx.VariableFunc("bindgenClangLibdir", func(ctx android.PackageVarContext) string {
if ctx.Config().UseHostMusl() {
return "musl/lib64/"
} else {
return "lib64/"
}
})
_ = pctx.SourcePathVariable("bindgenClang",
"${cc_config.ClangBase}/${config.HostPrebuiltTag}/${bindgenClangVersion}/bin/clang")
"${cc_config.ClangBase}/${bindgenHostPrebuiltTag}/${bindgenClangVersion}/bin/clang")
_ = pctx.SourcePathVariable("bindgenLibClang",
"${cc_config.ClangBase}/${config.HostPrebuiltTag}/${bindgenClangVersion}/lib64/")
"${cc_config.ClangBase}/${bindgenHostPrebuiltTag}/${bindgenClangVersion}/${bindgenClangLibdir}")
//TODO(ivanlozano) Switch this to RuleBuilder
bindgen = pctx.AndroidStaticRule("bindgen",

2
rust/compiler.go
View file

@ -372,7 +372,7 @@ func (compiler *baseCompiler) compilerDeps(ctx DepsContext, deps Deps) Deps {
if !Bool(compiler.Properties.No_stdlibs) {
for _, stdlib := range config.Stdlibs {
// If we're building for the build host, use the prebuilt stdlibs
if ctx.Target().Os == android.Linux || ctx.Target().Os == android.Darwin {
if ctx.Host() && !ctx.Target().HostCross {
stdlib = "prebuilt_" + stdlib
}
deps.Stdlibs = append(deps.Stdlibs, stdlib)

8
rust/config/global.go
View file

@ -78,7 +78,13 @@ var (
func init() {
pctx.SourcePathVariable("RustDefaultBase", RustDefaultBase)
pctx.VariableConfigMethod("HostPrebuiltTag", android.Config.PrebuiltOS)
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 != "" {