Re: [Qemu-devel] [PATCH 16/16] configure: do_compiler: Dump some extra info under bash

[Ian Jackson]

Eric Blake writes ("Re: [Qemu-devel] [PATCH 16/16] configure: do_compiler: Dump 
some extra info under bash"):
> That's still fork-heavy.  You could do:
> 
> test -n "$BASH_VERSION" && eval '
> echo >>config.log "
> funcs: ${FUNCNAME[*]}
> lines: ${BASH_LINENO[*]}
> files: ${BASH_SOURCE[*]}"'
> 
> which avoids the fork, but remains silent on dash.

Thanks.  I will adopt this.  Although I will use if ... then as that
seems to be the usual style.  (&& would break with set -e which
configure does not use...)

Ian.