configure doesn't recognise "--help", "-help", or "-h", though the script
looks like it should, plus "./configure" with no args suggests you should
"at least run './configure --help' for a compact summary of available options."
--help just seems to hang; -h and -help seem to be ignored.
Not as such I'm afraid. But the configure script sets a variable "help"
to "yes" if any of these options is set, but never checks it - perhaps that's
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