Re: Parallel make problem with git master
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Jeff Davis <pgsql@j-davis.com>
Cc: Bruce Momjian <bruce@momjian.us>, Peter Eisentraut <peter_e@gmx.net>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2011-03-08T03:28:45Z
Lists: pgsql-hackers
I wrote: > I think what is happening here is that make launches concurrent sub-jobs > to do "make install" in each of interfaces/libpq and interfaces/ecpg, > and the latter launches a sub-sub-job to do "make all" in > interfaces/libpq, and make has no idea that these are duplicate sub-jobs > so it actually tries to run both concurrently. Whereupon you get all > sorts of fun failures. I'm not sure if there is any cure that's not > worse than the disease. BTW, how many people here have read "Recursive Make Considered Harmful"? http://aegis.sourceforge.net/auug97.pdf Because what we're presently doing looks mighty similar to what he's saying doesn't work and can't be made to work. regards, tom lane