Makefile supports building fat iOS and tvOS libraries from command line.

Makefile

@@ -1,9 +1,12 @@
 XCODE_PROJ := MoltenVKPackaging.xcodeproj
 XCODE_SCHEME_BASE := MoltenVK Package
 
+# Specify individually (not as dependencies) so the sub-targets don't run in parallel
 .PHONY: all
 all:
-	xcodebuild -quiet -project "$(XCODE_PROJ)" -scheme "$(XCODE_SCHEME_BASE)" build
+	@$(MAKE) macos
+	@$(MAKE) iosfat
+	@$(MAKE) tvosfat
 
 .PHONY: macos
 macos:
@@ -13,16 +16,24 @@ macos:
 ios:
 	xcodebuild -quiet -project "$(XCODE_PROJ)" -scheme "$(XCODE_SCHEME_BASE) (iOS only)" build
 
+.PHONY: iosfat
+iosfat: ios
+	xcodebuild -quiet -project "$(XCODE_PROJ)" -scheme "$(XCODE_SCHEME_BASE) (iOS only)" -destination "generic/platform=iOS Simulator" build
+
 .PHONY: tvos
 tvos:
 	xcodebuild -quiet -project "$(XCODE_PROJ)" -scheme "$(XCODE_SCHEME_BASE) (tvOS only)" build
 
+.PHONY: tvosfat
+tvosfat: tvos
+	xcodebuild -quiet -project "$(XCODE_PROJ)" -scheme "$(XCODE_SCHEME_BASE) (tvOS only)" -destination "generic/platform=tvOS Simulator" build
+
 .PHONY: clean
 clean:
 	xcodebuild -quiet -project "$(XCODE_PROJ)" -scheme "$(XCODE_SCHEME_BASE)" clean
 	rm -rf Package
 
-#Usually requires 'sudo make install'
+# Usually requires 'sudo make install'
 .PHONY: install
 install:
 	rm -rf /Library/Frameworks/MoltenVK.framework

README.md

@@ -158,9 +158,9 @@ platforms, or just one platform (in **_Release_** configuration):
 
 - **MoltenVK Package** 
 - **MoltenVK Package (Debug)** 
+- **MoltenVK Package (macOS only)** 
 - **MoltenVK Package (iOS only)**
 - **MoltenVK Package (tvOS only)**
-- **MoltenVK Package (macOS only)** 
 
 Each of these`MoltenVKPackaging.xcodeproj` *Xcode* project *Schemes* puts the resulting packages in the 
 `Package` directory, creating it if necessary. This directory contains separate `Release` and `Debug`