to the libs variable.  Reported by Albert Chin-A-Young.

join \-terminated lines.

But IMHO, this problem really reveals an annoyance in Python's
makesetup. makesetup puts the global include directories "$(INCLUDEPY)
$(EXECINCLUDEPY)" in front of the directories defined by the module in
Setup. Therefore global (potentially older) header files are preferred
over the ones set by the module, which makes it hard to compile new
versions of modules when the old versions are installed. AFAIK, the
other way around is common practice for most other software.

This patch to makesetup would be an potential fix for this problem,
though I don't know if it breaks anything else.

on BeOS or Windows.

"$(srcdir)/" before all source files even when is starts with "/".

we have no .c source.

Thanks to Daniel Larsson.

Note addition of gethostbyaddr() and improved repr() for sockets,
renaming of md5.md5() to md5.new(), and fixing of leaks in threads.

but only if it does not end in a known suffix.

	as file.C or file.cc or file.c++; C files can be given as file.c
	(instead of file.o, which is still supported)