touch
dpkg -l | grep tcl ii libtcl8.5:amd64 8.5.17-1 amd64 Tcl (the Tool Command Language) v8.5 - run-time library files ii libtcl8.6:amd64 8.6.2+dfsg-2 amd64 Tcl (the Tool Command Language) v8.6 - run-time library files ii tcl 8.6.0+8 amd64 Tool Command Language (default version) - shell ii tcl-dev:amd64 8.6.0+8 amd64 Tool Command Language (default version) - development files ii tcl8.5 8.5.17-1 amd64 Tcl (the Tool Command Language) v8.5 - shell ii tcl8.5-dev:amd64 8.5.17-1 amd64 Tcl (the Tool Command Language) v8.5 - development files ii tcl8.6 8.6.2+dfsg-2 amd64 Tcl (the Tool Command Language) v8.6 - shell ii tcl8.6-dev:amd64 8.6.2+dfsg-2 amd64 Tcl (the Tool Command Language) v8.6 - development files ii tclx8.4 8.4.1-1 amd64 Extended Tcl (TclX) - shared library ii tclx8.4-dev 8.4.1-1 amd64 Extended Tcl (TclX) - development package touch .spec.in CPPFLAGS="-DUSE_INTERP_ERRORLINE" ./configure --with-tclx-lib=/usr/lib/ --with-tclx-inc=/usr/include/tclx8.4/ --with-tclx-ver=8.4