[registrar] Fix registration of stub Objective-C classes. Fixes #21546.

TODO:

* Clean up PR.
* Improve description.

Fixes #21546.

Make.config

@@ -705,10 +705,14 @@ DOTNET_PLATFORMS+=iOS
 DOTNET_MONOVM_PLATFORMS+=iOS
 DOTNET_IOS_BITNESSES+=64
 DOTNET_NATIVEAOT_PLATFORMS+=iOS
+XCFRAMEWORK_PLATFORMS+=iossimulator
+XCFRAMEWORK_iossimulator_RUNTIME_IDENTIFIERS=iossimulator-x64 iossimulator-arm64
 
 # 64-bit architectures
 ifdef INCLUDE_DEVICE
 DOTNET_IOS_RUNTIME_IDENTIFIERS_64=ios-arm64
+XCFRAMEWORK_PLATFORMS+=ios
+XCFRAMEWORK_ios_RUNTIME_IDENTIFIERS=ios-arm64
 endif # INCLUDE_DEVICE
 DOTNET_IOS_RUNTIME_IDENTIFIERS_64+=iossimulator-x64 iossimulator-arm64
 
@@ -721,8 +725,13 @@ DOTNET_PLATFORMS+=tvOS
 DOTNET_MONOVM_PLATFORMS+=tvOS
 DOTNET_TVOS_BITNESSES+=64
 DOTNET_NATIVEAOT_PLATFORMS+=tvOS
+XCFRAMEWORK_PLATFORMS+=tvossimulator
+XCFRAMEWORK_tvossimulator_RUNTIME_IDENTIFIERS=tvossimulator-x64 tvossimulator-arm64
+
 ifdef INCLUDE_DEVICE
 DOTNET_TVOS_RUNTIME_IDENTIFIERS=tvos-arm64 tvossimulator-x64 tvossimulator-arm64
+XCFRAMEWORK_PLATFORMS+=tvos
+XCFRAMEWORK_tvos_RUNTIME_IDENTIFIERS=tvos-arm64
 else
 DOTNET_TVOS_RUNTIME_IDENTIFIERS=tvossimulator-x64 tvossimulator-arm64
 endif
@@ -736,6 +745,9 @@ DOTNET_MACCATALYST_BITNESSES+=64
 DOTNET_NATIVEAOT_PLATFORMS+=MacCatalyst
 DOTNET_MACCATALYST_RUNTIME_IDENTIFIERS=maccatalyst-x64 maccatalyst-arm64
 DOTNET_MACCATALYST_RUNTIME_IDENTIFIERS_64+=$(DOTNET_MACCATALYST_RUNTIME_IDENTIFIERS)
+XCFRAMEWORK_PLATFORMS+=maccatalyst
+XCFRAMEWORK_DESKTOP_PLATFORMS+=maccatalyst
+XCFRAMEWORK_maccatalyst_RUNTIME_IDENTIFIERS=$(DOTNET_MACCATALYST_RUNTIME_IDENTIFIERS)
 endif
 
 ifdef INCLUDE_MAC
@@ -745,6 +757,9 @@ DOTNET_MACOS_BITNESSES+=64
 DOTNET_NATIVEAOT_PLATFORMS+=macOS
 DOTNET_MACOS_RUNTIME_IDENTIFIERS=osx-x64 osx-arm64
 DOTNET_MACOS_RUNTIME_IDENTIFIERS_64=$(DOTNET_MACOS_RUNTIME_IDENTIFIERS)
+XCFRAMEWORK_PLATFORMS+=macos
+XCFRAMEWORK_DESKTOP_PLATFORMS+=macos
+XCFRAMEWORK_osx_RUNTIME_IDENTIFIERS=$(DOTNET_MACOS_RUNTIME_IDENTIFIERS)
 endif
 
 ifdef INCLUDE_IOS

src/Foundation/RegisterAttribute.cs

@@ -55,5 +55,22 @@ public bool IsWrapper {
 		}
 
 		public bool SkipRegistration { get; set; }
+
+		/// <summary>
+		/// Specifies whether the Objective-C class is a stub class.
+		/// Objective-C stub classes are sometimes used when bridging Swift to Objective-C.
+		/// </summary>
+		/// <remarks>
+		///   <para>Stub classes can be identified because they include SWIFT_RESILIENT_CLASS in the generated Objective-C header.</para>
+		///   <para>Example Objective-C type declaration:</para>
+		///   <example>
+		///     <code lang="objective-c"><![CDATA[
+		///   SWIFT_RESILIENT_CLASS("_TtC16MySwiftFramework11MySwiftType")
+		///   @interface MySwiftType : SwiftTypeFromDifferentSwiftFramework
+		///   @end
+		/// ]]></code>
+		///   </example>
+		/// </remarks>
+		public bool IsStubClass { get; set; }
 	}
 }

src/bgen/Attributes.cs

@@ -142,6 +142,8 @@ public BaseTypeAttribute (Type t)
 	// too many objects, but two cases in particular that users keep
 	// trampling on: UIAlertView and UIActionSheet
 	public string KeepRefUntil { get; set; }
+
+	public bool IsStubClass { get; set; }
 }
 
 //

src/bgen/Generator.cs

@@ -5737,7 +5737,7 @@ public void Generate (Type type)
 						is_direct_binding = false;
 						is_direct_binding_value = "false";
 					}
-					print ("[Register(\"{0}\", {1})]", register_name, is_direct_binding == false ? "false" : "true");
+					print ($"[Register(\"{register_name}\", {(is_direct_binding == false ? "false" : "true")}{(bta.IsStubClass ? ", IsStubClass = true" : string.Empty)})]");
 				}
 				if (is_abstract || need_abstract.ContainsKey (type)) {
 					// Don't mark [Abstract] classes as abstract in .NET, we might need to create instances of them at some point.

tests/bindings-test/ApiDefinition.cs

@@ -487,7 +487,6 @@ interface ProtocolWithBlockProperties {
 	}
 	interface IProtocolWithBlockProperties { }
 
-#if NET
 	[BaseType (typeof (NSObject))]
 	interface SwiftTestClass {
 		[Export ("SayHello")]
@@ -508,5 +507,10 @@ interface SwiftTestClass {
 		// provide an actual argument when calling the method.
 		void DoSomethingComplexAsync (string message, IntPtr complexParameter, Action<NSString> completionHandler);
 	}
-#endif
+
+	[BaseType (typeof (SwiftTestClass), IsStubClass = true)]
+	interface SwiftTestClass2 {
+		[Export ("SayHello2")]
+		string SayHello2 ();
+	}
 }

tests/bindings-test/RuntimeTest.cs

@@ -96,7 +96,6 @@ public override void AssertMainThreadBlockReleaseCallback (InnerBlock completion
 			}
 		}
 
-#if NET
 		[Test]
 		public void SwiftTest ()
 		{
@@ -125,6 +124,13 @@ public void SwiftTypeEncodings ()
 			Assert.AreEqual ("fish", asyncResult, "DoSomethingComplexAsync");
 			Assert.IsTrue (done, "Done 2");
 		}
-#endif
+
+		[Test]
+		public void SwiftTestClass2 ()
+		{
+			TestRuntime.AssertXcodeVersion (13, 0);
+			using var obj = new SwiftTestClass2 ();
+			Assert.AreEqual ("Hello from Swift 2", obj.SayHello (), "Hello");
+		}
 	}
 }

tests/bindings-test/dotnet/shared.csproj

@@ -45,6 +45,11 @@
       <Kind>Framework</Kind>
       <LinkWithSwiftSystemLibraries>true</LinkWithSwiftSystemLibraries>
     </NativeReference>
+
+    <NativeReference Include="$(TestLibrariesDirectory)\.libs\SwiftTest2.xcframework">
+      <Kind>Framework</Kind>
+      <LinkWithSwiftSystemLibraries>true</LinkWithSwiftSystemLibraries>
+    </NativeReference>
   </ItemGroup>
 
   <ItemGroup>

tests/test-libraries/Makefile

@@ -41,10 +41,13 @@ $(GENERATED_FILES_PATTERN): $(TESTGENERATOR)
 libtest-object.m libtest-ar.m:
 	$(Q) ln -fhs libtest.m $@
 
-MACOS_INFO_PLIST_INFIX=/Versions/A/Resources
-MACOS_BINARY_INFIX=/Versions/A
-MACCATALYST_INFO_PLIST_INFIX=/Versions/A/Resources
-MACCATALYST_BINARY_INFIX=/Versions/A
+define DefineInfixes
+$(1)_INFO_PLIST_INFIX=/Versions/A/Resources
+$(1)_BINARY_INFIX=/Versions/A
+endef
+$(foreach platform,$(DOTNET_DESKTOP_PLATFORMS),$(foreach rid,$(DOTNET_$(shell echo $(platform)| tr 'a-z' 'A-Z')_RUNTIME_IDENTIFIERS),$(eval $(call DefineInfixes,$(rid)))))
+$(foreach platform,$(DOTNET_DESKTOP_PLATFORMS),$(eval $(call DefineInfixes,$(shell echo $(platform) | tr 'A-Z' 'a-z'))))
+$(foreach platform,$(DOTNET_DESKTOP_PLATFORMS),$(eval $(call DefineInfixes,$(shell echo $(platform) | tr 'a-z' 'A-Z'))))
 
 define SymlinksTemplate
 
@@ -72,11 +75,9 @@ x::
 endef
 ifdef INCLUDE_MAC
 $(eval $(call SymlinksTemplate,macos,MACOS,XTest,XTEST))
-$(eval $(call SymlinksTemplate,macos,MACOS,SwiftTest,SWIFTTEST))
 endif
 ifdef INCLUDE_MACCATALYST
 $(eval $(call SymlinksTemplate,maccatalyst,MACCATALYST,XTest,XTEST))
-$(eval $(call SymlinksTemplate,maccatalyst,MACCATALYST,SwiftTest,SWIFTTEST))
 endif
 
 define Template
@@ -91,13 +92,8 @@ $(1)_XSTATICARTEST_TARGETS += \
 $(1)_XSTATICOBJECTTEST_TARGETS += \
 	.libs/$(1)/XStaticObjectTest.framework/XStaticObjectTest \
 
-$(1)_SWIFTTEST_TARGETS += \
-	.libs/$(1)/SwiftTest.framework$($(2)_BINARY_INFIX)/SwiftTest \
-	.libs/$(1)/SwiftTest.framework$($(2)_INFO_PLIST_INFIX)/Info.plist \
-
 $(2)_TARGETS = \
 	$$($(1)_XTEST_TARGETS) \
-	$$($(1)_SWIFTTEST_TARGETS) \
 	.libs/$(1)/XStaticObjectTest.framework/XStaticObjectTest \
 	.libs/$(1)/XStaticArTest.framework/XStaticArTest \
 	.libs/$(1)/libtest.dylib \
@@ -112,8 +108,6 @@ $(2)_TARGETS = \
 	.libs/$(1)/XTest.framework.stamp \
 	.libs/$(1)/XStaticArTest.framework.stamp \
 	.libs/$(1)/XStaticObjectTest.framework.stamp \
-	.libs/$(1)/SwiftTest.framework \
-	.libs/$(1)/SwiftTest.framework.stamp \
 
 all-local:: $$($(2)_TARGETS) $(GENERATED_FILES)
 
@@ -126,9 +120,6 @@ all-local:: $$($(2)_TARGETS) $(GENERATED_FILES)
 .libs/$(1)/XStaticObjectTest.framework.stamp: $$($(1)_XSTATICOBJECTTEST_TARGETS)
 	$$(Q) touch $$@
 
-.libs/$(1)/SwiftTest.framework.stamp: $$($(1)_SWIFTTEST_TARGETS)
-	$$(Q) touch $$@
-
 clean-$(1):
 	rm -Rf .libs/$(1)
 
@@ -174,17 +165,6 @@ COMMON_DYLIB_ARGS=-g -dynamiclib -gdwarf-2 -fms-extensions libframework.m -o $$@
 .libs/$(1)/libtest.dylib: $$(foreach arch,$(3),.libs/$(1)/libtest.$$(arch).dylib)
 	$$(call Q_2,LIPO   [$(1)]) $(XCODE_DEVELOPER_ROOT)/Toolchains/XcodeDefault.xctoolchain/usr/bin/lipo $$^ -create -output $$@
 
-.libs/$(1)/libSwiftTest.dylib: $$(foreach arch,$(3),.libs/$(1)/libSwiftTest.$$(arch).dylib)
-	$$(call Q_2,LIPO   [$(1)]) $(XCODE_DEVELOPER_ROOT)/Toolchains/XcodeDefault.xctoolchain/usr/bin/lipo $$^ -create -output $$@
-
-# SwiftTest is a framework where the binary code is a (fat) dynamic library
-.libs/$(1)/SwiftTest.framework$($(2)_BINARY_INFIX)/SwiftTest: .libs/$(1)/libSwiftTest.dylib | .libs/$(1)/SwiftTest.framework$($(2)_BINARY_INFIX)
-	$$(Q) $(CP) $$^ $$@
-	$$(Q) $(XCODE_DEVELOPER_ROOT)/Toolchains/XcodeDefault.xctoolchain/usr/bin/install_name_tool -id @rpath/SwiftTest.framework/SwiftTest $$@
-
-.libs/$(1)/SwiftTest.framework$($(2)_INFO_PLIST_INFIX)/Info.plist: SwiftTest-Info-$(1).plist | .libs/$(1)/SwiftTest.framework$($(2)_INFO_PLIST_INFIX)
-	$$(Q) $(CP) $$^ $$@
-
 # XTest is a framework where the binary code is a (fat) dynamic library
 .libs/$(1)/XTest.framework$($(2)_BINARY_INFIX)/XTest: .libs/$(1)/libtest.dylib | .libs/$(1)/XTest.framework$($(2)_BINARY_INFIX)
 	$$(Q) $(CP) $$^ $$@
@@ -206,10 +186,8 @@ COMMON_DYLIB_ARGS=-g -dynamiclib -gdwarf-2 -fms-extensions libframework.m -o $$@
 $(1)_DIRECTORIES = \
 	.libs/$(1)/XTest.framework \
 	.libs/$(1)/XTest.framework/Versions \
-	.libs/$(1)/SwiftTest.framework/Versions \
 	.libs/$(1)/XStaticObjectTest.framework \
 	.libs/$(1)/XStaticArTest.framework \
-	.libs/$(1)/SwiftTest.framework \
 
 $$($(1)_DIRECTORIES):
 	$$(Q) mkdir -p $$@
@@ -238,6 +216,129 @@ ifdef INCLUDE_MACCATALYST
 $(eval $(call Template,maccatalyst,MACCATALYST,x86_64 arm64,MacCatalyst,$(MACCATALYST_COMMON_CFLAGS)))
 endif
 
+#
+# Swift libraries and frameworks
+#
+
+EXTRA_libSwiftTest_FLAGS=-enable-library-evolution -emit-objc-header
+EXTRA_libSwiftTest2_FLAGS=-lSwiftTest
+
+# SwiftTest is a framework where the binary code is a (fat) dynamic library
+# SwiftTest2 is a framework where the binary code is a (fat) dynamic library, and which depends on SwiftTest.
+SWIFT_TESTS+=SwiftTest
+SWIFT_TESTS+=SwiftTest2
+
+define SwiftTestsPerRid
+SWIFT_$(1)_$(2)_TARGETS += \
+	.libs/$(1)/$(2).framework$($(1)_BINARY_INFIX)/$(2) \
+	.libs/$(1)/$(2).framework$($(1)_INFO_PLIST_INFIX)/Info.plist \
+
+SWIFT_$(1)_TARGETS = \
+	$$(SWIFT_$(1)_$(2)_TARGETS) \
+	$$(SWIFT_$(1)_$(2)_TARGETS) \
+	.libs/$(1)/$(2).framework \
+	.libs/$(1)/$(2).framework.stamp \
+
+.libs/$(1)/$(2).framework.stamp: $$(SWIFT_$(1)_$(2)_TARGETS)
+	$$(Q) touch $$@
+
+.libs/$(1)/$(2).framework$($(1)_BINARY_INFIX)/$(2): .libs/$(1)/lib$(2).dylib | .libs/$(1)/$(2).framework$($(1)_BINARY_INFIX)
+	$$(Q) $(CP) $$^ $$@
+	$$(Q) $(XCODE_DEVELOPER_ROOT)/Toolchains/XcodeDefault.xctoolchain/usr/bin/install_name_tool -id @rpath/$(2).framework/$(2) $$@
+
+.libs/$(1)/$(2).framework$($(1)_INFO_PLIST_INFIX)/Info.plist: plists/$(2)-Info-$(1).plist | .libs/$(1)/$(2).framework$($(1)_INFO_PLIST_INFIX)
+	$$(Q) $(CP) $$^ $$@
+
+SWIFT_$(1)_DIRECTORIES = \
+	.libs/$(1)/$(2).framework/Versions \
+	.libs/$(1)/$(2).framework \
+
+$$(SWIFT_$(1)_DIRECTORIES):
+	$$(Q) mkdir -p $$@
+
+all-local:: $$(SWIFT_$(1)_TARGETS)
+swift:: $$(SWIFT_$(1)_TARGETS)
+endef
+$(foreach swiftTest,$(SWIFT_TESTS),$(foreach rid,$(DOTNET_RUNTIME_IDENTIFIERS),$(eval $(call SwiftTestsPerRid,$(rid),$(swiftTest)))))
+
+# Make sure libSwiftTest is built before libSwiftTest2, because libSwiftTest2 depends on libSwiftTest
+define SwiftTest2AddDependency
+.libs/$(1)/libSwiftTest2.dylib: .libs/$(1)/libSwiftTest.dylib
+endef
+$(foreach rid,$(DOTNET_RUNTIME_IDENTIFIERS),$(eval $(call SwiftTest2AddDependency,$(rid))))
+
+define SwiftTestsPerPlatform
+.libs/$(1)/$(3).dylib: $$(foreach rid,$(2),.libs/$(1)/$(3).dylib) | .libs/$(1)
+	$$(call Q_2,LIPO   [$(1)]) $(XCODE_DEVELOPER_ROOT)/Toolchains/XcodeDefault.xctoolchain/usr/bin/lipo $$^ -create -output $$@
+endef
+$(foreach swiftTest,$(SWIFT_TESTS),$(foreach platform,$(DOTNET_PLATFORMS),$(eval $(call SwiftTestsPerPlatform,$(platform),$(DOTNET_$(shell echo $(platform) | tr 'a-z' 'A-Z')_RUNTIME_IDENTIFIERS),$(swiftTest)))))
+
+define SwiftSymlinksTemplate
+SWIFT_SYMLINK_$(1)_TARGETS += \
+	.libs/$(1)/$(2).framework/$(2) \
+	.libs/$(1)/$(2).framework/Resources \
+	.libs/$(1)/$(2).framework/Versions/Current \
+	.libs/$(1)/$(2).framework/Versions/A/Resources/Info.plist \
+
+.libs/$(1)/$(2).framework$($(1)_BINARY_INFIX) .libs/$(1)/$(2).framework$($(1)_INFO_PLIST_INFIX):
+	$$(Q) mkdir -p $$@
+
+.libs/$(1)/$(2).framework/$(3): | .libs/$(1)/$(2).framework
+	$$(Q) ln -fs Versions/A/$(2) $$@
+
+.libs/$(1)/$(2).framework/Resources: | .libs/$(1)/$(2).framework
+	$$(Q) ln -fs Versions/Current/Resources $$@
+
+.libs/$(1)/$(2).framework/Versions/Current: | .libs/$(1)/$(2).framework/Versions
+	$$(Q) ln -fs A $$@
+
+all-locals:: $$(SWIFT_SYMLINK_$(1)_TARGETS)
+swift:: $$(SWIFT_SYMLINK_$(1)_TARGETS)
+endef
+$(foreach swiftTest,$(SWIFT_TESTS),$(foreach platform,$(DOTNET_DESKTOP_PLATFORMS),$(foreach rid,$(DOTNET_$(shell echo $(platform) | tr 'a-z' 'A-Z')_RUNTIME_IDENTIFIERS),$(eval $(call SwiftSymlinksTemplate,$(rid),$(swiftTest))))))
+
+define PlatformFrameworkTemplate
+.libs/$(2)/$(1).framework$($(2)_BINARY_INFIX)/$(1): $$(foreach rid,$(3),.libs/$$(rid)/$(1).framework$($(2)_BINARY_INFIX)/$(1))
+	$$(Q) mkdir -p $$(dir $$@)
+	$$(Q) lipo -create -output "$$@" $$^
+
+.libs/$(2)/$(1).framework$($(2)_INFO_PLIST_INFIX)/Info.plist: $$(foreach rid,$(3),.libs/$$(rid)/$(1).framework$($(2)_BINARY_INFIX)/Info.plist)
+	$$(Q) mkdir -p $$(dir $$@)
+	@# Check if the Info.plists are identical (if there are more than one)
+	$$(Q) test "$$(words $$^)" -eq 1 || diff $$^
+	@# Copy one of them
+	$$(Q) $(CP) $$< $$@
+
+PLATFORM_FRAMEWORK_TEMPLATE_$(2)_TARGETS += \
+	.libs/$(2)/$(1).framework$($(2)_BINARY_INFIX)/$(1) \
+	.libs/$(2)/$(1).framework$($(2)_INFO_PLIST_INFIX)/Info.plist \
+
+all-local:: $$(PLATFORM_FRAMEWORK_TEMPLATE_$(2)_TARGETS)
+endef
+$(foreach swiftTest,$(SWIFT_TESTS),$(foreach xcframeworkPlatform,$(XCFRAMEWORK_PLATFORMS),$(eval $(call PlatformFrameworkTemplate,$(swiftTest),$(xcframeworkPlatform),$(XCFRAMEWORK_$(xcframeworkPlatform)_RUNTIME_IDENTIFIERS)))))
+
+define PlatformFrameworkSymlinksTemplate
+.libs/$(1)/$(2).framework/$(2):
+	$$(Q) mkdir -p $$(dir $$@)
+	$$(Q) ln -fs Versions/A/$(2) $$@
+
+.libs/$(1)/$(2).framework/Resources:
+	$$(Q) mkdir -p $$(dir $$@)
+	$4(Q) ln -fs Versions/A/Resources $$@
+
+.libs/$(1)/$(2).framework/Versions/Current: | .libs/$(1)
+	$$(Q) mkdir -p $$(dir $$@)
+	$$(Q) ln -fs A $$@
+
+PLATFORM_FRAMEWORK_SYMLINKS_TEMPLATE_$(4)_TARGETS += \
+	.libs/$(1)/$(2).framework/$(2) \
+	.libs/$(1)/$(2).framework/Resources \
+	.libs/$(1)/$(2).framework/Versions/Current \
+
+all-local:: $$(PLATFORM_FRAMEWORK_SYMLINKS_TEMPLATE_$(4)_TARGETS)
+endef
+$(foreach swiftTest,$(SWIFT_TESTS),$(foreach xcframeworkPlatform,$(XCFRAMEWORK_DESKTOP_PLATFORMS),$(eval $(call PlatformFrameworkSymlinksTemplate,$(swiftTest),$(xcframeworkPlatform)))))
+
 .libs/ios-fat .libs/tvos-fat .libs/maccatalyst-fat .libs/macos-fat:
 	$(Q) mkdir -p $@
 
@@ -426,15 +527,16 @@ LIBTEST2_XCFRAMEWORKS += $(foreach platform,$(XCPLATFORMS),.libs/$(platform)/lib
 
 all-local:: .libs/libtest2.xcframework
 
-SWIFTTEST_XCFRAMEWORKS += $(foreach platform,$(XCPLATFORMS),.libs/$(platform)/SwiftTest.framework)
-SWIFTTEST_XCTARGETS += \
-	$(foreach platform,$(XCPLATFORMS),.libs/$(platform)/SwiftTest.framework.stamp) \
-
-.libs/SwiftTest.xcframework: $(SWIFTTEST_XCTARGETS) Makefile
-	$(Q) rm -rf $@
-	$(Q_GEN) $(XCODE_DEVELOPER_ROOT)/usr/bin/xcodebuild -quiet -create-xcframework $(foreach fw,$(SWIFTTEST_XCFRAMEWORKS),-framework $(fw)) -output $@
-
-all-local:: .libs/SwiftTest.xcframework
+define SwiftXCFramework
+$(1)_XCFRAMEWORKS += $$(foreach xcframeworkPlatform,$$(XCFRAMEWORK_PLATFORMS),.libs/$$(xcframeworkPlatform)/$(1).framework)
+$(1)_XCTARGETS += $$(foreach xcframeworkPlatform,$$(XCFRAMEWORK_PLATFORMS),.libs/$$(xcframeworkPlatform)/$(1).framework/$(1))
+.libs/$(1).xcframework: $$($(1)_XCTARGETS) Makefile
+	$$(Q) rm -rf $$@
+	$$(Q_GEN) $$(XCODE_DEVELOPER_ROOT)/usr/bin/xcodebuild -quiet -create-xcframework $$(foreach fw,$$($(1)_XCFRAMEWORKS),-framework $$(fw)) -output $$@
+all-local:: .libs/$(1).xcframework
+swift:: .libs/$(1).xcframework
+endef
+$(foreach swiftTest,$(SWIFT_TESTS),$(eval $(call SwiftXCFramework,$(swiftTest))))
 
 define ZippedXcframework
 .libs/$(1).xcframework.zip: .libs/$(1).xcframework