[asterisk-users] Running configure from subdirectory of source tree

[Jason Parker]

That's not something that is likely to be supported.  Any configure
script in the tree will be run via the top-level build process, as
needed.  Is there some reason you think you need to run the other
configure scripts yourself?

On 03/05/2014 08:54 AM, Gianluca Merlo wrote:
> Hello everyone,
> 
> I would like to seek your advice regarding a build (or rather
> "configure") problem I am running into. For reference, tests are all
> relative to a build from a 1.8.26.0 tarball, on Debian Wheezy.
> 
> I would like to understand if it is possible, and if any of you have
> tried, to build Asterisk from a subdirectory of the source tree, i.e.,
> from a clean source tree
> 
> # mkdir my-build-directory
> # cd my-build-directory
> # ../configure
> # make
> 
> I lack a proper amount of knowledge on the matter, but I think that this
> should be "legit" with a common autotools build toolchain. Tests suggest
> that (at least in my case) this is not working with
> 
>     configure: error: cannot find install-sh, install.sh, or shtool in
>     `pwd` ".."/`pwd`
> 
> 
> Looking in the configure process in detail, the failure seem to follow
> the checks (/bin/sh -x output)
> 
>     + for ac_dir in '`pwd`' '"$srcdir"/`pwd`'
>     + test -f /home/gian/src/asterisk-1.8.26.0/my-build-directory/install-sh
>     + test -f /home/gian/src/asterisk-1.8.26.0/my-build-directory/install.sh
>     + test -f /home/gian/src/asterisk-1.8.26.0/my-build-directory/shtool
>     + for ac_dir in '`pwd`' '"$srcdir"/`pwd`'
>     + test -f
>     ..//home/gian/src/asterisk-1.8.26.0/my-build-directory/install-sh
>     + test -f
>     ..//home/gian/src/asterisk-1.8.26.0/my-build-directory/install.sh
>     + test -f ..//home/gian/src/asterisk-1.8.26.0/my-build-directory/shtool
> 
> 
> It looks to me that despite checking "`pwd`" leads to a correct
> behaviour, checking "../`pwd`" is not correct. I seem to understand that
> this behaviour was introduced in configure.ac <http://configure.ac> at
> r259848, by adding
> 
>     AC_CONFIG_AUX_DIR(`pwd`)
> 
> 
> The log for the commit reports
> 
>     ------------------------------------------------------------------------
>     r259848 | qwell | 2010-04-28 22:32:14 +0200 (Wed, 28 Apr 2010) | 9 lines
> 
>     Merged revisions 259847 via svnmerge from
>     https://origsvn.digium.com/svn/asterisk/branches/1.4
> 
>     ........
>       r259847 | qwell | 2010-04-28 15:30:21 -0500 (Wed, 28 Apr 2010) | 1
>     line
>      
>       Add AC_CONFIG_AUX_DIR to configure script, so systems without
>     install can use install-sh from our source dir.
>     ........
> 
>     ------------------------------------------------------------------------
> 
> 
> 
> Isn't the default behaviour for autoconf enough
> (http://www.gnu.org/software/automake/manual/html_node/Optional.html)?
> Can this be considered as a bug in Asterisk's the build system,
> preventing an otherwise working build scenario (i.e. configuring and
> building in a subdirectory of the source tree)?
> 
> Thank you in advance for your help
> 
> Gianluca
> 
> 
>