Re: [Boost-build] Jam newer bug on OSX

From: Salvatore Domenick Desiano (sal_at_[hidden])
Date: 2007-03-09 00:57:19

Are there additional steps I should take to have this patch (or 
something like it) moved into the build tree?

Thank you.

-- sal
smile.

--------------
  Salvatore Domenick Desiano
    Doctoral Candidate
      Robotics Institute
        Carnegie Mellon University

On Sun, 4 Mar 2007, Salvatore Domenick Desiano wrote:

o I found the problem, and I've fixed it for my install. I am using the
o old Perforce rules, but the bug turns out to be in fileunix.c. 
o ofileunix.c doesn't check to see if the library is in the BSD extended
o format. The attached patch works on OSX 10.4, and checks defines to 
o ensure that it only triggers on BSD systems, but hasn't been tested 
o anywhere else.
o 
o If I can be of any assistance in fixing or testing this problem, just 
o let me know.
o 
o -- Sal
o smile.
o 
o --------------
o   Salvatore Domenick Desiano
o     Doctoral Candidate
o       Robotics Institute
o         Carnegie Mellon University
o 
o On Sun, 4 Mar 2007, Vladimir Prus wrote:
o 
o o On Thursday 01 March 2007 05:02, Salvatore Domenick Desiano wrote:
o o > I seem to have run into a bug in timestamp checking on OSX. It's pretty 
o o > simple to reproduce:
o o > 
o o > Jamfile
o o > --------
o o > Library libtest : object.c ;
o o 
o o The 'Library' above makes me thing you're using
o o classic jam rules, not Boost.Build. Unfortunately,
o o those are completely unsupported.
o o 
o o > Every time you run jam, the object gets rebuilt and so does the archive. 
o o > I've stepped through the jam code with gdb, and the problem appears to 
o o > be in the time stamp check. That is, object.o gets a timestamp of 0 
o o > (since it gets deleted after being archived) and object.c is always 
o o > newer. This doesn't happen on SUSE, but I'm not sure what the difference 
o o > is.
o o 
o o object.o should have TEMPORARY flag on it to prevent that. I have
o o no idea why behaviour on SUSE and OSX is different. But anyway,
o o unless you're using Boost.Build rules ("lib"), there's nothing we can do.
o o 
o o - Volodya
o o _______________________________________________
o o Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost-build
o o 
o o