BTW, why does the "#undef HAVE_SOMEHEADER_H" in config.h.in get wrapped in comment marks, when it is copied into config.h? Does it not make more sense to forcibly ensure that HAVE_SOMEHEADER_H is not defined, if configure has determined that someheader.h isn't present? Or, do some [broken] compilers choke on "#undef AN_UNDEFINED_SYMBOL"?
The explanation for this is simple. If the user wants to manually define the value (e.g. via configure CPPFLAGS argument) she can do so without the problem that the value set is immediately unset again by config.h.
Bob ====================================== Bob Friesenhahn bfriesen@xxxxxxxxxxxxxxxxxxx, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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