[Boost-build] bjam from 1.49.0 aborts on 100k targets project without message on AIX/gcc-4.6

Subject: [Boost-build] bjam from 1.49.0 aborts on 100k targets project without message on AIX/gcc-4.6
From: Frank Birbacher (bloodymir.crap_at_[hidden])
Date: 2012-03-15 14:50:11

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Hi,

I'm trying to build a software project that comprises of approx 250
libraries. bjam actually builds parts of the libraries, but not all of
them at once. It shall link an application that depends on all libs,
but it aborts before compilation. I estimate some 100k targets found
and some 2.5k targets to be built (using -a switch). But bjam will
abort before showing the real numbers:

- - "bjam" alone takes 40s, prints nothing, and aborts
- - "bjam --debug-building" takes 40s, prints lots of targets, and aborts
- - "bjam -n" takes 40s, prints some commands, then aborts; the command
to link the final exe is missing
- - "bjam -n" after manually executing the shown commands: takes 40s,
prints nothing, then aborts

in neither case does it print "...patience...". Building some subdirs
with only part of the targets works.

Setup:
OS: AIX 5.3
Tool: gcc-4.6
Bjam: from Boost 1.49.0

How shall I debug bjam in this case? Are there some built in limits to
the size of the project? May some internal list run over? Can I easily
build a debug version of bjam that I can run using gdb or something?

BR,
Frank
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