Make problem since 1.5.7

[Ingmar Sittl]

Hello,

With all cygwin-versions starting with 1.5.7 (including the snapshot
20040322) I experience major problems with make, leading to a major (>
20x) increase in the time make needs for a specific single target in our
project make system (which is quite complex, includes >100 sub-makefiles
and is not written in-house).

According to the task-manager the system happily divides all cpu-time
between two make-tasks and csrss.exe.

I tried looking at "make -d" and strace output, but cannot make very
much sense of the output.

One thing that does stick out in the "bad" case is an exceptionally
large number of "Got a SIGCHLD; 2 unreaped children" "Got a SIGCHLD; 1
unreaped children" messages in the "make -d" output after the point
where make checks that it has to remake a specific file and before the
actual rebuilding (in this case, an "ar" call).

The "make -d" output for the "good" case also contains some of those
messages, but far fewer.

I can provide the strace and "make -d" output for both cases, if that
would help, but these files are VERY large.

Thanks for any help or hints what to check,
Ingmar Sittl

-- 
-----------------------------------------------------------
Ingmar Sittl, Dipl.-Inf., mobile applications
3SOFT GmbH, Frauenweiherstrasse 14, 91058 Erlangen, Germany
Tel: +49-9131-7701-276 mailto:Ingmar.Sittl@3SOFT.de
Fax: +49-9131-7701-333 http://www.3SOFT.de
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