Use musl rust prebuilts for USE_HOST_MUSL=true
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
diff --git a/rust/bindgen.go b/rust/bindgen.go
index b4626a0..4d723d6 100644
--- a/rust/bindgen.go
+++ b/rust/bindgen.go
@@ -41,10 +41,25 @@
//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",
diff --git a/rust/compiler.go b/rust/compiler.go
index bcd58c8..365f1e0 100644
--- a/rust/compiler.go
+++ b/rust/compiler.go
@@ -372,7 +372,7 @@
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)
diff --git a/rust/config/global.go b/rust/config/global.go
index e9751fd..3ef0ecb 100644
--- a/rust/config/global.go
+++ b/rust/config/global.go
@@ -78,7 +78,13 @@
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 != "" {