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From Alexander Shorin <kxe...@gmail.com>
Subject Re: ./configure question
Date Fri, 03 Apr 2015 14:11:14 GMT
On Fri, Apr 3, 2015 at 5:02 PM, Jan Lehnardt <jan@apache.org> wrote:
>> On 03 Apr 2015, at 15:55, Alexander Shorin <kxepal@gmail.com> wrote:
>>
>> On Fri, Apr 3, 2015 at 4:46 PM, Alexander Shorin <kxepal@gmail.com> wrote:
>>> On Fri, Apr 3, 2015 at 4:38 PM, Jan Lehnardt <jan@apache.org> wrote:
>>>> rootdir="$(cd "${0%/*}" 2>/dev/null; echo "$PWD")"
>>>
>>> ${0} - executable path. like shell
>>> ${0%/*} - get parent directory of this path
>>> $(cd ${0%/*}) - execute a shell command
>>> since cd changes current directory, it also updates environment
>>> variable $PWD according it. In case of success you'll be moved to
>>> somewhere like /bin (for me)
>>
>> TL;DR that script is to find full path of an executed script and
>> ensure that location is accessible and set rootdir with the directory
>> path where those configure script is located.
>
> Thanks!
>
> I assume this is for cases where people do /path/to/couchdb/configure, right?

Yes, or if the path is relative - any case will give correct root
directory for the other relative paths.

--
,,,^..^,,,

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