XtStrings
You may find that linking X programs results in an error from the linker that `XtStrings' is undefined, something like this:
gcc -o virmf ... .../x11.c:130: undefined reference to `XtStrings'
This generally happens because of a mismatch between the X include files with which you compiled and the X libraries with which you linked; often, the include files are from MIT and the libraries from Sun.
The solution is to use the same X distribution for compilation and
linking. Probably `configure' was unable to guess the proper
directories from your installation. You can use the configure
options `--x-includes=path' and
`--x-libraries=path' to explicitly specify them.
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