Support partial module variants with apex_contributions am: 972917d794 am: cbebb3437d (558c8dc2) · Commits · e / os / android_build_soong

android/prebuilt.go

+13 −2

Original line number	Diff line number	Diff line
		@@ -654,6 +654,17 @@ type createdByJavaSdkLibraryName interface {
		CreatedByJavaSdkLibraryName() *string
		}

		// Returns true if the prebuilt variant is disabled
		// e.g. for a cc_prebuilt_library_shared, this will return
		// - true for the static variant of the module
		// - false for the shared variant of the module
		//
		// Even though this is a cc_prebuilt_library_shared, we create both the variants today
		// https://source.corp.google.com/h/googleplex-android/platform/build/soong/+/e08e32b45a18a77bc3c3e751f730539b1b374f1b:cc/library.go;l=2113-2116;drc=2c4a9779cd1921d0397a12b3d3521f4c9b30d747;bpv=1;bpt=0
		func (p *Prebuilt) variantIsDisabled(ctx BaseMutatorContext, prebuilt Module) bool {
		return p.srcsSupplier != nil && len(p.srcsSupplier(ctx, prebuilt)) == 0
		}

		// usePrebuilt returns true if a prebuilt should be used instead of the source module. The prebuilt
		// will be used if it is marked "prefer" or if the source module is disabled.
		func (p *Prebuilt) usePrebuilt(ctx BaseMutatorContext, source Module, prebuilt Module) bool {
		@@ -668,7 +679,7 @@ func (p *Prebuilt) usePrebuilt(ctx BaseMutatorContext, source Module, prebuilt M
		return false
		}
		// If the prebuilt module is explicitly listed in the metadata module, use that
		if isSelected(psi, prebuilt) {
		if isSelected(psi, prebuilt) && !p.variantIsDisabled(ctx, prebuilt) {
		return true
		}

		@@ -676,7 +687,7 @@ func (p *Prebuilt) usePrebuilt(ctx BaseMutatorContext, source Module, prebuilt M
		// fall back to the existing source vs prebuilt selection.
		// TODO: Drop the fallback mechanisms

		if p.srcsSupplier != nil && len(p.srcsSupplier(ctx, prebuilt)) == 0 {
		if p.variantIsDisabled(ctx, prebuilt) {
		return false
		}

cc/prebuilt_test.go

+58 −0

Original line number	Diff line number	Diff line
		@@ -702,3 +702,61 @@ func TestMultiplePrebuiltsPreferredUsingLegacyFlags(t *testing.T) {
		android.AssertBoolEquals(t, fmt.Sprintf("expected dependency from %s to %s\n", libfoo.Name(), tc.expectedDependencyName), true, hasDep(ctx, libfoo, expectedDependency))
		}
		}

		// If module sdk cannot provide a cc module variant (e.g. static), then the module variant from source should be used
		func TestMissingVariantInModuleSdk(t *testing.T) {
		bp := `
		// an rdep
		cc_library {
		name: "libfoo",
		static_libs: ["libbar"],
		}

		// source
		cc_library {
		name: "libbar",
		}
		// prebuilt
		// libbar only exists as a shared library
		cc_prebuilt_library_shared {
		name: "libbar",
		srcs: ["libbar.so"],
		}
		// selectors
		apex_contributions {
		name: "myapex_contributions",
		contents: ["prebuilt_libbar"],
		}
		all_apex_contributions {name: "all_apex_contributions"}
		`
		hasDep := func(ctx *android.TestContext, m android.Module, wantDep android.Module) bool {
		t.Helper()
		var found bool
		ctx.VisitDirectDeps(m, func(dep blueprint.Module) {
		if dep == wantDep {
		found = true
		}
		})
		return found
		}

		preparer := android.GroupFixturePreparers(
		android.FixtureRegisterWithContext(func(ctx android.RegistrationContext) {
		android.RegisterApexContributionsBuildComponents(ctx)
		}),
		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
		variables.BuildFlags = map[string]string{
		"RELEASE_APEX_CONTRIBUTIONS_ADSERVICES": "myapex_contributions",
		}
		}),
		)
		ctx := testPrebuilt(t, bp, map[string][]byte{
		"libbar.so": nil,
		"crtx.o": nil,
		}, preparer)
		libfoo := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_shared").Module()
		sourceLibBar := ctx.ModuleForTests("libbar", "android_arm64_armv8-a_static").Module()
		// Even though the prebuilt is listed in apex_contributions, the prebuilt does not have a static variant.
		// Therefore source of libbar should be used.
		android.AssertBoolEquals(t, fmt.Sprintf("expected dependency from libfoo to source libbar"), true, hasDep(ctx, libfoo, sourceLibBar))
		}