checking for object suffix... (cached) o
checking for mingw32 environment... (cached) no
checking for executable suffix... (cached) no
checking for Tcl configuration... (cached) found /usr/local/SourceNavigator/lib/tclConfig.sh
checking for existence of /usr/local/SourceNavigator/lib/tclConfig.sh... loading
checking for Tk configuration... configure: error: Can't find Tk configuration definitions
configure: error: ./configure failed for itk
Configure in /home/lyj/sourcenav-5.1.4/itcl failed, exiting.