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Date: Mon, 30 Aug 2004 10:14:42 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: cygwin AT cygwin DOT com
Subject: Re: BUG gcc-mingw 20040810-1 library search path
In-Reply-To: <1524918411.20040830073143@familiehaase.de>
Message-ID: <Pine.GSO.4.61.0408301011440.24572@slinky.cs.nyu.edu>
References: <14810259248 DOT 20040829195031 AT familiehaase DOT de> <20040829212630 DOT 32357 DOT qmail AT web40414 DOT mail DOT yahoo DOT com> <1008963871 DOT 20040830011922 AT familiehaase DOT de> <Pine DOT GSO DOT 4 DOT 61 DOT 0408292220310 DOT 29060 AT slinky DOT cs DOT nyu DOT edu> <1524918411 DOT 20040830073143 AT familiehaase DOT de>
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On Mon, 30 Aug 2004, Gerrit P. Haase wrote:

> Hallo Igor,
>
> Am Montag, 30. August 2004 um 04:23 schriebst du:
>
> > On Mon, 30 Aug 2004, Gerrit P. Haase wrote:
> >> This is in binutils/ld/configure.tgt:
> >> i[3-7]86-*-cygwin*)     targ_emul=i386pe ;
> >>                         targ_extra_ofiles="deffilep.o pe-dll.o"
> >>                         test "$targ" != "$host" &&
> >> LIB_PATH='${tooldir}/lib/w32api' ;;
> >>
> >> where tooldir should be /usr/i686-pc-mingw32 in this case and you need
> >> to have the symlinks installed in /usr/i686-pc-mingw32:
> >>     21 Nov  1  2003 bin -> ../i686-pc-cygwin/bin
> >>     16 Nov  1  2003 include -> ../include/mingw
> >>     12 Nov  1  2003 lib -> ../lib/mingw
> >>
> >> Now, the library path automatically searched by the linker is:
> >> /usr/i686-pc-mingw32/../lib/mingw/w32api
>
> >> % export tooldir=/usr/i686-pc-mingw32
> >> % ls ${tooldir}/lib/w32api
> >> ls: /usr/i686-pc-mingw32/lib/w32api: No such file or directory
>
> > Ahem.  Shouldn't this be
>
> > $ export tooldir=/usr/i686-pc-mingw32
> > $ ls -ld ${tooldir}/../lib/w32api
> > drwxrwxr-x+   2 Administ SYSTEM          0 Jul 30 17:25
> > /usr/i686-pc-mingw32/../lib/w32api/
> > $
>
> > (note the "../")?  As you can see, works just fine for me.
>
> Yes of, course, that is my question, was it changed for binutils
> recently?  Is tooldir=/usr then it works, if tooldir is /usr/$target,
> then it is broken now and either the shortcuts needs to be changed or
> ld definitions need to be changed (or tooldir def).

Not quite true.  If tooldir=/usr, then ${tooldir}/../lib/w32api resolves
to /lib/w32api.  If tooldir=/usr/$target, then ${tooldir}/../lib/w32api
resolves to /usr/lib/w32api.  As long as the /usr/lib mount is in order,
it should work in both cases, no?

FWIW, I don't know what (if anything) has changed...  I've used "gcc
-mno-cygwin" recently with no problems.  What exactly needs to be done to
reproduce the problem?
	Igor

> >> Maybe the definition of tooldir for binutlis builds has changed?
> >> Sorry, but I don't see where I should change the bits in gcc.
>
> > To the OP: your problem may potentially be that you're missing the
> > /usr/lib mount.  However, since you didn't follow the Cygwin problem
> > reporting guidelines at <http://cygwin.com/problems.html>, and didn't
> > attach the output of "cygcheck -svr" to your report, the above is just a
> > WAG.
>
> No, I don't think that he is missing s.th.  I can verify that the
> reported problem exists, I see this myself, e.g. when building
> libwin32, I just wasn't sure if it was my fault or gcc's or if it was
> a binutils issue and didn't searched too long.
>
> Now I want to know what is the reason since it looks like there were
> no changes.  Christopher, is the tooldir defined during configure for
> binutils or is it defined automatically internally by some logic, and
> how is it defined for the ld compilation?

-- 
				http://cs.nyu.edu/~pechtcha/
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