+.PHONY: all build gtags check doc info html doc-inner install uninstall install-info uninstall-info install-casl2lib uninstall-casl2lib version clean clean-src clean-gtags clean-test clean-doc clean-doc-inner
+
+GTAGS ?= gtags
+RMF ?= rm -f
+WHICH ?= which
+ECHO ?= echo
+INSTALL ?= install
+SED ?= sed
+CAT ?= cat
+
+prefix ?= ~
+bindir ?= $(prefix)/bin
+
+VERSIONFILES = include/package.h test/system/casl2/opt_v/0.txt test/system/comet2/opt_v/0.txt test/system/dumpword/opt_v/0.txt
+
+all: build docall gtags