This PR adds ucrt and clang launchers with respective icons.

Of course I'm not a real good icon editor so this is more of
a place holder

Makefile

@@ -1,6 +1,6 @@
 PREFIX=
 
-all: msys2.exe msys2.ini mingw32.exe mingw32.ini mingw64.exe mingw64.ini
+all: msys2.exe msys2.ini mingw32.exe mingw32.ini mingw64.exe mingw64.ini ucrt64.exe ucrt64.ini clang64.exe clang64.ini
 
 .PHONY: all
 
@@ -27,3 +27,19 @@ mingw64.res: launcher.rc mingw64.ico
 	$(PREFIX)windres -O COFF -o $@ $< -DMSYSTEM=MINGW64 -DICONFILE=mingw64.ico
 mingw64.exe: launcher.c mingw64.res
 	$(PREFIX)gcc -std=c11 -Wall -Wextra -Werror -static -municode -mwindows -o $@ $^
+
+ucrt64.ini: launcher.ini
+	cp -f $^ $@
+	echo MSYSTEM=UCRT64>> $@
+ucrt64.res: launcher.rc ucrt64.ico
+	$(PREFIX)windres -O COFF -o $@ $< -DMSYSTEM=UCRT64 -DICONFILE=ucrt64.ico
+ucrt64.exe: launcher.c ucrt64.res
+	$(PREFIX)gcc -std=c11 -Wall -Wextra -Werror -static -municode -mwindows -o $@ $^
+
+clang64.ini: launcher.ini
+	cp -f $^ $@
+	echo MSYSTEM=CLANG64>> $@
+clang64.res: launcher.rc clang64.ico
+	$(PREFIX)windres -O COFF -o $@ $< -DMSYSTEM=CLANG64 -DICONFILE=clang64.ico
+clang64.exe: launcher.c clang64.res
+	$(PREFIX)gcc -std=c11 -Wall -Wextra -Werror -static -municode -mwindows -o $@ $^