[PATCH 1/4] Make configure use /bin/bash instead of /bin/sh
Tomi Ollila
tomi.ollila at iki.fi
Tue Apr 10 10:26:33 PDT 2012
On Mon, Apr 09 2012, Vladimir Marek wrote:
>> > Posix /bin/sh is not capable of running this configure and fails.
>>
>> What fails? What would it take to make this work on posix sh instead?
>>
>> The tests do require bash, but generally I think it would be preferable to
>> not depend on bash to build.
>
> Well I gave it a quick stab. This is not posix:
>
> BLAH=$( ... )
> BLAH=$(( ... ))
> ${option%=*}
> ${option%%=*}
> ${option#=*}
> ${option##=*}
According to
http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html
all of those are part of Shell Command Language...
Does the configure script work if you replace /bin/sh with /bin/ksh
in your Solaris box
If yes, something like the following could be added to the beginning
of 'configure'
option=option=value
if test ! x"${option$*=}" = x"value" 2>/dev/null; then
if test x"${PREVENT_LOOPING-}" = x; then
PREVENT_LOOPING=true; export PREVENT_LOOPING
test ! -x /bin/ksh || exec /bin/ksh "$0" "$@"
test ! -x /bin/bash || exec /bin/bash "$0" "$@"
fi
echo "Cannot find compatible shell for '$0'" >&2
exit 1
fi
>
> First two cases are easy to replace by `...` resp `expr ...`. The rest
> leads to external utility like sed. The dirtiest part of configure is
> parsing the commandline arguments, but that could be replaced by
> /usr/bin/getopts.
>
> If it is appealing way of doing that, I can rework my patch and submit
> it for consideration.
>
> Thank you
> --
> Vlad
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