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Mail Archives: djgpp/2003/05/13/11:30:07

From: Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: gprof with all zero execution times in version 2.03
Date: 13 May 2003 15:24:57 GMT
Organization: Aachen University of Technology (RWTH)
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Andre Chrcanovic <alrc AT task DOT com DOT br> wrote:

> CFLAGS = -mcpu=pentium -pg -c -imacros boot.def -D__DOS__ $(INCLUDES)
                                ^^^^^^^^^^^^^^^^^
Setting aside those issues already raised by the other response, let me
comment on this line:

1) No debug flags (-g)?  While not strictly needed for profiling, having 
   them in place should be your default.  Who knows --- it might even solve
   your problem.

2) That -imacros override smells fishy.   It's impossible to tell what 
   it actually does without seeing that file, boot.def.  This being in
   your control, *you* have to make sure it doesn't interfere with the
   profiling machinery.

> LNKOPTS = -L$(NPCDIR)/bin -L$(PRODIR)/bin -L$(LANDIR)/bin
> -L$(TCPDIR)/bin \
>           -lnuc00 -lprotocol -llan_n -ltcpip

In case of doubt, those libraries may be the cause of your problem,
too.  E.g. if they weren't built with -pg themselves, or they fiddle
with the timers on their own.
-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.

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