Install Tcl by running the following commands: VERSION=&tcl-version; && export V=`echo $VERSION | cut -d "." -f 1,2` && DIR=$PWD && cd unix && ./configure --prefix=/usr && make && sed -i "s:${DIR}/unix:/usr/lib:" tclConfig.sh && sed -i "s:${DIR}:/usr/include/tcl${V}:" tclConfig.sh && sed -i "s,^TCL_LIB_FILE='libtcl${V}..TCL_DBGX..so',TCL_LIB_FILE=\"libtcl${V}\$\{TCL_DBGX\}.so\"," tclConfig.sh && make install && install -d /usr/include/tcl${V}/unix && install -m644 *.h /usr/include/tcl${V}/unix/ && install -d /usr/include/tcl${V}/generic && install -c -m644 ../generic/*.h /usr/include/tcl${V}/generic/ && rm -f /usr/include/tcl${V}/generic/{tcl,tclDecls,tclPlatDecls}.h && ln -nsf /usr/include/tcl${V} /usr/lib/tcl${V}/include && ln -sf libtcl${V}.so /usr/lib/libtcl.so && ln -sf tclsh${V} /usr/bin/tclsh