[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Problem with parallel builds

From: Roberto Bagnara
Subject: Problem with parallel builds
Date: Sun, 18 Apr 2010 14:33:25 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050929 Thunderbird/1.0.7 Fedora/1.0.7-1.1.fc4 Mnenhy/

Hi there,

we are about to release PPL 0.11 and Sebastian Pop (who is working
on GCC/Graphite) encountered a problem we never met, despite the fact
that we continuously build the PPL with make -j 7 on a machine with
2 CPUs and 8 cores.  The problem is described here

and the that may contain the error is;a=blob_plain;f=src/;hb=HEAD

In short, ppl-config is a program whose sources are,
generated at configure-time, and ppl.hh, generated at build-time.
However, in Sebastian's build the automatic dependency mechanism
makes ppl-config.o depend on /usr/include/ppl.hh (a file belonging
to a previous installation of the PPL) and not the ppl.hh that is/will
be built on the current directory.

Can some expert give us a hand?  I am struggling with this problem since
yesterday to no avail: I am unable to reproduce it and to identify
in the Automake manual what the cause might be.
Many thanks in advance,


Prof. Roberto Bagnara
Applied Formal Methods Laboratory
Department of Mathematics, University of Parma, Italy

reply via email to

[Prev in Thread] Current Thread [Next in Thread]