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/library.go b/rust/library.go
index 3f031c1..7432a12 100644
--- a/rust/library.go
+++ b/rust/library.go
@@ -489,7 +489,7 @@
var outputFile android.ModuleOutPath
var ret buildOutput
var fileName string
- srcPath := library.srcPath(ctx, deps)
+ crateRootPath := library.crateRootPath(ctx, deps)
if library.sourceProvider != nil {
deps.srcProviderFiles = append(deps.srcProviderFiles, library.sourceProvider.Srcs()...)
@@ -536,13 +536,13 @@
// Call the appropriate builder for this library type
if library.rlib() {
- ret.kytheFile = TransformSrctoRlib(ctx, srcPath, deps, flags, outputFile).kytheFile
+ ret.kytheFile = TransformSrctoRlib(ctx, crateRootPath, deps, flags, outputFile).kytheFile
} else if library.dylib() {
- ret.kytheFile = TransformSrctoDylib(ctx, srcPath, deps, flags, outputFile).kytheFile
+ ret.kytheFile = TransformSrctoDylib(ctx, crateRootPath, deps, flags, outputFile).kytheFile
} else if library.static() {
- ret.kytheFile = TransformSrctoStatic(ctx, srcPath, deps, flags, outputFile).kytheFile
+ ret.kytheFile = TransformSrctoStatic(ctx, crateRootPath, deps, flags, outputFile).kytheFile
} else if library.shared() {
- ret.kytheFile = TransformSrctoShared(ctx, srcPath, deps, flags, outputFile).kytheFile
+ ret.kytheFile = TransformSrctoShared(ctx, crateRootPath, deps, flags, outputFile).kytheFile
}
if library.rlib() || library.dylib() {
@@ -585,13 +585,15 @@
return ret
}
-func (library *libraryDecorator) srcPath(ctx ModuleContext, _ PathDeps) android.Path {
+func (library *libraryDecorator) crateRootPath(ctx ModuleContext, _ PathDeps) android.Path {
if library.sourceProvider != nil {
// Assume the first source from the source provider is the library entry point.
return library.sourceProvider.Srcs()[0]
- } else {
+ } else if library.baseCompiler.Properties.Crate_root == nil {
path, _ := srcPathFromModuleSrcs(ctx, library.baseCompiler.Properties.Srcs)
return path
+ } else {
+ return android.PathForModuleSrc(ctx, *library.baseCompiler.Properties.Crate_root)
}
}
@@ -606,7 +608,7 @@
return android.OptionalPath{}
}
- return android.OptionalPathForPath(Rustdoc(ctx, library.srcPath(ctx, deps),
+ return android.OptionalPathForPath(Rustdoc(ctx, library.crateRootPath(ctx, deps),
deps, flags))
}