Add bp2build support for cc_prebuilt_object
Add bp2build support for cc_prebuilt_object to allow buiiding
musl crt objects that use prebuilt clang_rt.crtbegin and
clang_rt.crtend.
Bug: 259266326
Test: //extenral/musl:libc_musl builds
Change-Id: Ic2b0375bc6e7336d31c9e2cf51bdc2ea894185aa
diff --git a/bp2build/cc_prebuilt_object_conversion_test.go b/bp2build/cc_prebuilt_object_conversion_test.go
new file mode 100644
index 0000000..903c816
--- /dev/null
+++ b/bp2build/cc_prebuilt_object_conversion_test.go
@@ -0,0 +1,101 @@
+// Copyright 2022 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package bp2build
+
+import (
+ "fmt"
+ "testing"
+
+ "android/soong/cc"
+)
+
+func runCcPrebuiltObjectTestCase(t *testing.T, testCase Bp2buildTestCase) {
+ t.Helper()
+ description := fmt.Sprintf("cc_prebuilt_object: %s", testCase.Description)
+ testCase.ModuleTypeUnderTest = "cc_prebuilt_object"
+ testCase.ModuleTypeUnderTestFactory = cc.PrebuiltObjectFactory
+ testCase.Description = description
+ t.Run(description, func(t *testing.T) {
+ t.Helper()
+ RunBp2BuildTestCaseSimple(t, testCase)
+ })
+}
+
+func TestPrebuiltObject(t *testing.T) {
+ runCcPrebuiltObjectTestCase(t,
+ Bp2buildTestCase{
+ Description: "simple",
+ Filesystem: map[string]string{
+ "obj.o": "",
+ },
+ Blueprint: `
+cc_prebuilt_object {
+ name: "objtest",
+ srcs: ["obj.o"],
+ bazel_module: { bp2build_available: true },
+}`,
+ ExpectedBazelTargets: []string{
+ MakeBazelTarget("cc_prebuilt_object", "objtest", AttrNameToString{
+ "src": `"obj.o"`,
+ })},
+ })
+}
+
+func TestPrebuiltObjectWithArchVariance(t *testing.T) {
+ runCcPrebuiltObjectTestCase(t,
+ Bp2buildTestCase{
+ Description: "with arch variance",
+ Filesystem: map[string]string{
+ "obja.o": "",
+ "objb.o": "",
+ },
+ Blueprint: `
+cc_prebuilt_object {
+ name: "objtest",
+ arch: {
+ arm64: { srcs: ["obja.o"], },
+ arm: { srcs: ["objb.o"], },
+ },
+ bazel_module: { bp2build_available: true },
+}`, ExpectedBazelTargets: []string{
+ MakeBazelTarget("cc_prebuilt_object", "objtest", AttrNameToString{
+ "src": `select({
+ "//build/bazel/platforms/arch:arm": "objb.o",
+ "//build/bazel/platforms/arch:arm64": "obja.o",
+ "//conditions:default": None,
+ })`,
+ }),
+ },
+ })
+}
+
+func TestPrebuiltObjectMultipleSrcsFails(t *testing.T) {
+ runCcPrebuiltObjectTestCase(t,
+ Bp2buildTestCase{
+ Description: "fails because multiple sources",
+ Filesystem: map[string]string{
+ "obja": "",
+ "objb": "",
+ },
+ Blueprint: `
+cc_prebuilt_object {
+ name: "objtest",
+ srcs: ["obja.o", "objb.o"],
+ bazel_module: { bp2build_available: true },
+}`,
+ ExpectedErr: fmt.Errorf("Expected at most one source file"),
+ })
+}
+
+// TODO: nosrcs test