How is relinking with DESTDIR != installdir in newish libtool?

With libtool-1.4.2, I was using a patch (see below) that introduced 
DESTDIR that fixed the problems with relinking that happened when 
building RPMS. The problem was that when libraries were temporarily 
installed to /tmp/buildroot/usr/lib the re-linker would look in the 
final destination /usr/lib and fail.

Has this problem been solved in the newer libtool such as 1.4.3 or 1.5? 
 How?  I just looked at ltmain.sh from 1.4.3 and there is no DESTDIR.


The patch that worked for me was written by Bruno Haible and I found it 
here:
 http://mail.gnu.org/pipermail/bug-libtool/2002-February/003019.html
That web link appears dead now, but this is a diff I made showing what 
it did:

RCS file: /cvsroot/swarm/swarm/ltmain.sh,v
retrieving revision 1.16
diff -r1.16 ltmain.sh
1887c1887,1891
<          add_dir="-L$libdir"
---
>          if test "X$installed" = Xyes; then
>            add_dir="-L$libdir"
>          else
>            add_dir="-L$DESTDIR$libdir"
>          fi
4143a4148
>    DESTDIR=
4149a4155,4162
>      case "$destdir" in
>        *"$libdir")
>          DESTDIR=`$echo "$destdir" | sed -e 's!'"$libdir"'$!!'`
>          if test "X$destdir" != "X$DESTDIR$libdir"; then
>            DESTDIR=
>          fi
>          ;;
>      esac
4162a4176
>      export DESTDIR
4169a4184
>    unset DESTDIR


--
Paul E. Johnson                       email: pauljohn@xxxxxxxxx
Dept. of Political Science            http://lark.cc.ku.edu/~pauljohn
University of Kansas                  Office: (785) 864-9086
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