tclh:=$(firstword $(wildcard /usr/include/tcl8.*/tcl.h))
tclversion:=$(patsubst /usr/include/tcl%/tcl.h,%,$(tclh))
-tcl_versions= 8.4 8.5 8.6 8.7 8.8
+tcl_versions= 8.5 8.6 8.7
march := $(shell dpkg-architecture -q DEB_HOST_MULTIARCH)
libsubdir = /$(march)