[GRASS5] XEXTRALIBS and -lsocket

[Markus Neteler]

.. one more:

http://www.amath.washington.edu/~lf/tutorials/autoconf/autoconf/autoconf.html#SEC21

Macro: AC_PATH_XTRA 

    An enhanced version of AC_PATH_X. It adds the C compiler flags that X
    needs to output variable X_CFLAGS, and the X linker
    flags to X_LIBS. If X is not available, adds '-DX_DISPLAY_MISSING' to
    X_CFLAGS. 

    This macro also checks for special libraries that some systems need in
    order to compile X programs. It adds any that the system
    needs to output variable X_EXTRA_LIBS. And it checks for special X11R6
    libraries that need to be linked with before
    '-lX11', and adds any found to the output variable X_PRE_LIBS. 

It seems to be related to X_EXTRA_LIBS or not?

Yours
 Markus

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