Include the X headers and libraries in the Tk headers and libraries. This change appears to be necessary for the Mac OS X platform.
Include the X headers and libraries in the Tk headers and libraries.
This change appears to be necessary for the Mac OS X platform.

Improve Tcl/Tk-related messages and option handling.

svn path=/trunk/; revision=7139

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot