On 07/23/2014 04:21 AM, Felix von Leitner wrote: > Public bug reported: > > hxtool (part of the early build process) is a bash script. Running it > with /bin/sh yields a syntax error on line 10: > > 10 STEXI*|ETEXI*|SQMP*|EQMP*) flag=$(($flag^1)) > > $(( expr )) is a bash extension, not part of /bin/sh.
Wrong. $(( expr )) is mandated by POSIX. What system are you on where /bin/sh is not POSIX? (Solaris is the only platform where /bin/sh does not try to be POSIX-compliant, but who uses that for qemu?) What is the actual syntax error you are seeing? Is this a bug in dash on your distribution? I can't get dash to fail for me on Fedora: $ dash -c 'f=1; f=$(($f^1)); echo $f' 0 $ dash -n scripts/hxtool; echo $? 0 -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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