[distcc] Two incompatibilities between distcc & C++/configure

Lezz Giles lgiles at starentnetworks.com
Thu Jan 30 18:48:18 GMT 2003

I've been using distcc to speed up builds of our product,
and in general it works really well.  However I found two
incompatibilities (best word I could find):

C++ has a pragma "implementation" which uses the source
filename to decide what to do (we're usig GCC 3.0.3, but
I think this is true in more versions than just this one),
and since distcc changes the filename on the server that
is compiling the file, the resulting object file is wrong.

And our zlib configure script checks the C compiler by
checking that stdout and stderr are both empty; when I
was building it one of the remote servers was not running its
distccd properly, so I got an ERROR: message about not
being able to connect - this message convinced the configure
script that gcc wasn't working.  At least there's a workaround
for this one - set CCDIST_LOG to /dev/null.

For the C++ error it would be nice if the server used the
same filename as the client.  I can't see any downside except
that you'd need to put the temporary files into their own directories
rather than having everything at the top level.

Thanks for a great tool!

Lezz Giles

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