xS: parse project version from CMakeLists.txt

xS/Makefile

@@ -2,11 +2,15 @@
 .SUFFIXES:
 AWK = env LC_ALL=C awk
 
-outputs = xS xS-replies.go
+outputs = xS xS-version.go xS-replies.go
 all: $(outputs)
 
-xS: xS.go xS-replies.go
+xS: xS.go xS-version.go xS-replies.go
 	go build -o $@
+xS-version.go: ../liberty/tools/cmake-parser.awk \
+	xS-gen-version.awk ../CMakeLists.txt
+	$(AWK) -f ../liberty/tools/cmake-parser.awk \
+		-f xS-gen-version.awk ../CMakeLists.txt > $@
 xS-replies.go: xS-gen-replies.awk xS-replies
 	$(AWK) -f xS-gen-replies.awk xS-replies > $@
 clean: