> > +then
> > + if [ -x "$build_iotests/qemu" ]; then
> > + export QEMU_PROG="$build_iotests/qemu"
> > + elif [ -x "$build_root/$arch-softmmu/qemu-system-$arch" ]; then
> > + export QEMU_PROG="$build_root/$arch-softmmu/qemu-system-$arch"
> > + else
> > + pushd "$build_root" > /dev/null
>
> Shouldn't you check for failure to change directories?
>
> > export PWD=`pwd`
> >
> > @@ -30,28 +31,6 @@ export _QEMU_HANDLE=0
> > # make sure we have a standard umask
> > umask 022
> >
> > -# $1 = prog to look for, $2* = default pathnames if not found in $PATH
> > -set_prog_path()
> > -{
> > - p=`command -v $1 2> /dev/null`
> > - if [ -n "$p" -a -x "$p" ]; then
>
> Urrgh - your use of [ -a ] was pre-existing, and you just moved it.
And same for pushd...
Paolo