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Date: Fri, 20 Oct 2000 13:37:59 -0700 (PDT)
From: Earnie Boyd <earnie_boyd AT yahoo DOT com>
Subject: Re: Cygwin SEGVs
To: cygwin AT sources DOT redhat DOT com
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--- DJ Delorie <dj AT delorie DOT com> wrote:
> 
> > There is a problem.  Someone changed the top level configure a while ago
> > and broke things.
> 
> That would be me, so I guess I better explain ;-)
> 
> GCC has a "-B" flag that *used* to be used just to find things like
> cc1, cpp, as, and ld.  However, the GCC team has been using that
> option for many other things.  One of those things is to find crt0.o
> (the libraries have their own options).  There is *no* other way to
> find crt0.o!  So, this switch is kinda mandatory if you want to link
> your programs with the right crt0.o.
> 
> Unfortunately, gcc warns you if the -B option isn't used to find cc1,
> cpp, as, or ld.  The warning totally ignores other valid uses of -B,
> so the warning was removed from the gcc sources (by me).  If old
> versions didn't exist, we'd be all set.
> 
> As for workarounds for old gccs, there are two:
> 
> 1. Binary-edit your gcc.exe to remove that warning.  Not for the feint
>    of heart.
> 
> 2. Remove that option in configure, and hope that the *installed*
>    crt0.o is compatible with the *built* crt0.o (or copy it).
> 
> You could also go through all the Makefiles and add that -B option to
> the specific link lines, but that's a tricky thing to get right.
> 

This is *not* a problem for building Cygwin from source.  DJ had fixed this
problem with Cygwin ~October 5th.  I just completed a configure and make with
the current CVS source.

Cheers,


=====
Earnie Boyd
mailto:earnie_boyd AT yahoo DOT com

---         <http://earniesystems.safeshopper.com>         ---
--- Cygwin: POSIX on Windows <http://gw32.freeyellow.com/> ---
---   Minimalist GNU for Windows <http://www.mingw.org/>   ---

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