diff -ur unix/configure unix/configure.new
--- unix/configure	Thu Sep 14 12:15:35 2000
+++ unix/configure.new	Sat Mar 13 11:15:06 2004
@@ -448,13 +448,13 @@
 CC=$TCL_CC
 SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS
 SHLIB_LD=$TCL_SHLIB_LD
-SHLIB_LD_LIBS="-lXext $TCL_SHLIB_LD_LIBS"
+SHLIB_LD_LIBS="$TCL_SHLIB_LD_LIBS $TK_LIBS -lXext"
 SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX
 SHLIB_VERSION=$TCL_SHLIB_VERSION
 TCL_LIBS=$TCL_LIBS
 TCL_VERSION=$TCL_VERSION
-TCL_INCLUDE=$TCL_PREFIX/include
-TK_INCLUDE=$TK_PREFIX/include
+TCL_INCLUDE=$TCL_PREFIX/include/tcl$TCL_VERSION
+TK_INCLUDE=$TK_PREFIX/include/tk$TK_VERSION
 TCL_BIN_DIR=$TK_EXEC_PREFIX/bin
 
 echo $ac_n "checking for -lXext""... $ac_c" 1>&6