TCL_VERSION = 8.5
ITCL_VERSION = 3.4
IWIDGETS_VERSION = 4.0.1
# shortcuts
TCL_VER = $(TCL_VERSION)
ITCL_VER = $(ITCL_VERSION)
IWIDGETS_VER = $(IWIDGETS_VERSION)
# where to find those libraries
EXTERNAL_LIB_PREFIX = /usr/lib