diff --git a/Makefile b/Makefile
index d03bc69..0be583c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,18 +1,26 @@
+OS=`uname -s`
+MACHINE=`uname -m`
+DATE=`date -r _build/default/cli/txt.exe +%Y%m%d`
+COMMIT=`git rev-parse --short HEAD`
+
 all:
 	dune build
 
+deps:
+	opam install dune ocurl cmdliner=1.0.4 msgpck
+
 cli:
 	dune build cli/txt.exe
 
 clean:
 	dune clean
 
-tgz:
+dist:
 	dune subst
 	dune build
 	cp _build/default/cli/txt.exe txt.exe
 	strip txt.exe
-	tar czvf "logarion-$(shell uname -s)-$(shell uname -m)-$(shell date -r _build/default/cli/txt.exe "+%y%m%d")-$(shell git rev-parse --short HEAD).tgz" txt.exe readme.txt
+	tar czvf "logarion-${OS}-${MACHINE}-${DATE}-${COMMIT}" txt.exe readme.txt
 	rm txt.exe
 
 htm: