[Bug gas/14899] Missing gas dependency for ld and gold

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14899

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2012-12-01 01:39:35 
UTC ---
In stage 2, prev-gcc/as has

ORIGINAL_AS_FOR_TARGET="../gas/as-new"
...
dir=gas
prog=as-new

if test -x $scriptdir/../$dir/$prog; then
  exec $scriptdir/../$dir/$prog
else
  exec $scriptdir/../prev-$dir/$prog 
fi

When we are building gas parallel with bintils,
gold, gprof and ld, we may run into race condition
that prev-gcc/as checks ../gas/as-new at the same
time when we are creating it.  So we must build
gas before other binutils programs.

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