t.Fatal(err)
		}
		return out
	}

	// Build a shared library that defines a symbol whose name
	// contains magicInput.

	cShared := cCompile("-shared", "c.so", cDefFile)

	// Build an object file that refers to the symbol whose name
	// contains magicInput.

	cObj := cCompile("-c", "c.o", cRefFile)

	// Rewrite the shared library and the object file, replacing

func TestCachedInstall(t *testing.T) {
	globalSkip(t)
	testenv.MustHaveGoBuild(t)
	testenv.MustHaveCGO(t)
	testenv.MustHaveBuildMode(t, "c-shared")

	tmpdir, err := os.MkdirTemp("", "cshared")
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(tmpdir)

	copyFile(t, filepath.Join(tmpdir, "src", "testcshared", "go.mod"), "go.mod")

	"istio.io/istio/operator/pkg/validate"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/log"
	"istio.io/istio/pkg/util/sets"
	pkgversion "istio.io/istio/pkg/version"
)

// installerScope is the scope for shared manifest package.
var installerScope = log.RegisterScope("installer", "installer")

// GenManifests generates a manifest map, keyed by the component name, from input file list and a YAML tree

// path is shared and bind-mounts it as rshared if needed. mountCmd and
// mountArgs are expected to contain mount-like command, DoMakeRShared will add
// '--bind <path> <path>' and '--make-rshared <path>' to mountArgs.
func DoMakeRShared(path string, mountInfoFilename string) error {
	shared, err := isShared(path, mountInfoFilename)
	if err != nil {
		return err
	}

John Howard <******@****.***> 1711679342 -0700

// See the License for the specific language governing permissions and
// limitations under the License.

// dot -Tpng src/docs/userguide/img/swift-shared-library-task-graph.dot > src/docs/userguide/img/swift-shared-library-task-graph.png
digraph swiftSharedLibraryTaskGraph {
  graph [ dpi = 100, fontname="Sans"];
  node [fontname = "Sans"];
  edge [fontname = "Sans"];

// See the License for the specific language governing permissions and
// limitations under the License.

// dot -Tpng src/docs/userguide/img/cpp-shared-library-task-graph.dot > src/docs/userguide/img/cpp-shared-library-task-graph.png
digraph cppSharedLibraryTaskGraph {
  graph [ dpi = 100, fontname="Sans"];
  node [fontname = "Sans"];
  edge [fontname = "Sans"];

swift-shared-library-task-graph.png...

cpp-shared-library-task-graph.png...

John Howard <******@****.***> 1593618905 -0700