Mail Archives: cygwin-developers/2001/03/12/12:29:52
On Mon, Mar 12, 2001 at 06:20:59PM +0300, Egor Duda wrote:
>Hi!
>
>Sunday, 11 March, 2001 Christopher Faylor cgf AT redhat DOT com wrote:
>
>>>CF> Btw, the reason for the --enable-debugging switch is to build a cygwin1.dll
>>>CF> which timestamps all of its shared memory stuff. This allows two versions
>>>CF> of cygwin to be running on the system at the same time.
>>>
>>>do we really need this? suppose a some problem reports about
>>>current snapshots we've seen here this week can be due to several
>>>cygwin1.dll's. at least freezes can be easily explained if we suppose
>>>such possibility. when process 'exec's some cygwin program which sees
>>>other cygwin1.dll, it surely will break in an unpredictable way when
>>>doing fdtab.fixup_after_exec in dll_crt0_1()
>
>CF> Hopefully the version numbering in the exec header should catch this.
>CF> I'll bump it up, just to make sure.
>
>ah. i found the thing that confused me. it really suppose to timestamp
>shared region name, but it seems to me that it doesn't. version.cc
>checks if DEBUGGING is set, but it doesn't include config.h.
>should we
Very strange. I must be hallucinating. I *know* that I've had problems
with region conflicts in the past and have solved them by building with
--enable-debugging.
Oh well. I've checked in a patch to mkvers.sh.
cgf
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