Support building rust modules against musl libc
Add a rust toolchain for musl libc, use std library built from source,
and add default dependencies on musl libc.
Bug: 216192129
Test: m USE_HOST_MUSL=true host-native
Change-Id: Ic5ff4487db9693aeb08a13405f4d18465eecdc4b
diff --git a/rust/compiler.go b/rust/compiler.go
index 3040e5d..c5d40f4 100644
--- a/rust/compiler.go
+++ b/rust/compiler.go
@@ -364,7 +364,7 @@
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 == ctx.Config().BuildOS {
+ if ctx.Target().Os == android.Linux || ctx.Target().Os == android.Darwin {
stdlib = "prebuilt_" + stdlib
}
deps.Stdlibs = append(deps.Stdlibs, stdlib)
@@ -394,6 +394,20 @@
return deps
}
+func muslDeps(ctx DepsContext, deps Deps, static bool) Deps {
+ muslLibs := []string{"libc_musl"}
+ if static {
+ deps.StaticLibs = append(deps.StaticLibs, muslLibs...)
+ } else {
+ deps.SharedLibs = append(deps.SharedLibs, muslLibs...)
+ }
+ if libRuntimeBuiltins := config.BuiltinsRuntimeLibrary(ctx.toolchain()); libRuntimeBuiltins != "" {
+ deps.StaticLibs = append(deps.StaticLibs, libRuntimeBuiltins)
+ }
+
+ return deps
+}
+
func (compiler *baseCompiler) crateName() string {
return compiler.Properties.Crate_name
}