From: cgf AT bbc DOT com (Chris Faylor)
Subject: Re: bug in makefiles?
6 Oct 1997 10:48:00 -0700
Message-ID: <EHn4Lu.2rr.cygnus.gnu-win32@bbc.com>
References: <01BCD245 DOT 468E0460 AT gater DOT krystalbank DOT msk DOT ru>
Reply-To: cgf AT bbc DOT com
To: gnu-win32 AT cygnus DOT com

In article <01BCD245 DOT 468E0460 AT gater DOT krystalbank DOT msk DOT ru>,
Sergey Okhapkin  <sos AT prospect DOT com DOT ru> wrote:
>Tim Newsham wrote:
>>    I noticed that after building the cdk, if I do a
>> "make clean" in the obj/winsup directory and then do
>> a make, I get a binary that is about 250-300k bigger,
>
>run "make CFLAGS=-O2 CXXFLAGS=-O2".
>
>> and that does not behave properly.  In particular processes
>> using the bigger dll do not seem to catch signals sent
>> to them properly.  I can give a more detailed example
>> with a test cause showing the broken behavior if necessary.
>
>Looks like a gcc bug.  Cygwin.dll compiled without -O2 option sometimes
>crashes on bash's exit.

Yup.  I've noticed this too.  Also using -O3 instead of -O2 or specifying
-fomit-frame-pointer (which should provide better optimization on Intel
chips) can cause problems.
-- 
http://www.bbc.com/	cgf AT bbc DOT com			"Strange how unreal
VMS=>UNIX Solutions	Boston Business Computing	 the real can be."
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