add crate_root property to rust modules
The crate_root property will be used to specify the entry point for a
rustc compilation. This will allow the srcs property to be used to
collect all src inputs to rustc rather than just the entry point.
Bug: 286077158
Test: m libnum_traits
Change-Id: I1a167182305dcc11cc927d562ceed622153111d3
diff --git a/rust/toolchain_library.go b/rust/toolchain_library.go
index 801c0c2..e118f92 100644
--- a/rust/toolchain_library.go
+++ b/rust/toolchain_library.go
@@ -40,8 +40,10 @@
}
type toolchainLibraryProperties struct {
- // path to the toolchain source, relative to the top of the toolchain source
- Toolchain_src *string `android:"arch_variant"`
+ // path to the toolchain crate root, relative to the top of the toolchain source
+ Toolchain_crate_root *string `android:"arch_variant"`
+ // path to the rest of the toolchain srcs, relative to the top of the toolchain source
+ Toolchain_srcs []string `android:"arch_variant"`
}
type toolchainLibraryDecorator struct {
@@ -87,15 +89,20 @@
func rustSetToolchainSource(ctx android.LoadHookContext) {
if toolchainLib, ok := ctx.Module().(*Module).compiler.(*toolchainLibraryDecorator); ok {
prefix := "linux-x86/" + GetRustPrebuiltVersion(ctx)
- newSrcs := []string{path.Join(prefix, android.String(toolchainLib.Properties.Toolchain_src))}
+ versionedCrateRoot := path.Join(prefix, android.String(toolchainLib.Properties.Toolchain_crate_root))
+ versionedSrcs := make([]string, len(toolchainLib.Properties.Toolchain_srcs))
+ for i, src := range toolchainLib.Properties.Toolchain_srcs {
+ versionedSrcs[i] = path.Join(prefix, src)
+ }
type props struct {
- Srcs []string
+ Crate_root *string
+ Srcs []string
}
p := &props{}
- p.Srcs = newSrcs
+ p.Crate_root = &versionedCrateRoot
+ p.Srcs = versionedSrcs
ctx.AppendProperties(p)
-
} else {
ctx.ModuleErrorf("Called rustSetToolchainSource on a non-Rust Module.")
}