Specify SONAME when building Rust shared libs.

Without specifying -soname, cc binaries are unable to locate Rust
provided shared libraries. This adds the -soname linker flag for shared
libraries.

Bug: 158490355
Test: readelf -d <cc_binary> shows the expected SONAME
Change-Id: I66852a7ce24d5ea5e426f11bc1834fb56a150628
This commit is contained in:
Ivan Lozano 2020-06-09 08:27:49 -04:00
parent 3ef493ff91
commit bec05ea26d
2 changed files with 24 additions and 1 deletions

View File

@ -329,12 +329,21 @@ func (library *libraryDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
return deps
}
func (library *libraryDecorator) sharedLibFilename(ctx ModuleContext) string {
return library.getStem(ctx) + ctx.toolchain().SharedLibSuffix()
}
func (library *libraryDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
flags.RustFlags = append(flags.RustFlags, "-C metadata="+ctx.baseModuleName())
flags = library.baseCompiler.compilerFlags(ctx, flags)
if library.shared() || library.static() {
library.includeDirs = append(library.includeDirs, android.PathsForModuleSrc(ctx, library.Properties.Include_dirs)...)
}
if library.shared() {
flags.LinkFlags = append(flags.LinkFlags, "-Wl,-soname="+library.sharedLibFilename(ctx))
}
return flags
}
@ -371,7 +380,7 @@ func (library *libraryDecorator) compile(ctx ModuleContext, flags Flags, deps Pa
outputs := TransformSrctoStatic(ctx, srcPath, deps, flags, outputFile, deps.linkDirs)
library.coverageFile = outputs.coverageFile
} else if library.shared() {
fileName := library.getStem(ctx) + ctx.toolchain().SharedLibSuffix()
fileName := library.sharedLibFilename(ctx)
outputFile = android.PathForModuleOut(ctx, fileName)
outputs := TransformSrctoShared(ctx, srcPath, deps, flags, outputFile, deps.linkDirs)

View File

@ -114,3 +114,17 @@ func TestValidateLibraryStem(t *testing.T) {
}`)
}
func TestSharedLibraryFlags(t *testing.T) {
ctx := testRust(t, `
rust_library_host {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}`)
libfooShared := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_shared").Output("libfoo.so")
if !strings.Contains(libfooShared.Args["linkFlags"], "-Wl,-soname=libfoo.so") {
t.Errorf("missing expected -Wl,-soname linker flag for libfoo shared lib, linkFlags: %#v", libfooShared.Args["linkFlags"])
}
}