PATCH: PR bootstrap/35752: Combined gcc + binutils source tree doesn't bootstrap

[H.J. Lu]

This patch bootstrapped the combined gcc + binutils source tree on
Linux/Intel64.

H.J.
On Fri, Mar 28, 2008 at 4:14 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> When I tried to bootstrap a combined gcc + binutils source tree on
>  Linux/ia32 and Linux/Intel64 with shared library enabled, it went
>  to an infinite loop when as or ld from stage 2 was used. The problem
>  is ld-new tries to use itself to relink itself when it is invoked
>  first time.  This patch modifies exec-tool.in to avoid use the newly
>  built linker in linker directory. I am testing it on Linux/Intel64
>  now.
>
>
>  H.J.
>  ----
>  2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
>
>         PR bootstrap/35752
>         * exec-tool.in: Don't use newly built linker in linker
>         directory.
>
>  --- gcc/exec-tool.in.relink     2008-02-25 09:10:12.000000000 -0800
>  +++ gcc/exec-tool.in    2008-03-28 16:10:47.000000000 -0700
>  @@ -49,6 +49,15 @@ case "$original" in
>      tdir=`dirname "$0"`
>      scriptdir=`cd "$tdir" && pwd`
>
>  +    # Don't use the newly built linker in linker directory.
>  +    if test $prog = ld-new$exeext; then
>  +      PWD=`pwd`
>  +      if test x`basename $PWD` = xld \
>  +        && test -x $scriptdir/../prev-$dir/$prog; then
>  +       exec $scriptdir/../prev-$dir/$prog ${1+"$@"}
>  +      fi
>  +    fi
>  +
>      if test -x $scriptdir/../$dir/$prog; then
>        exec $scriptdir/../$dir/$prog ${1+"$@"}
>      else
>