[erlang-questions] can a program launched with open_port({spawn, Cmd}, Options) remain running after the port closes?

[Serge Aleynikov]

Is it possible that you don't have libtool installed (missing
AC_PROG_LIBTOOL)?

I have the following on linux and everything builds fine:
$ autoconf -V
autoconf (GNU Autoconf) 2.68
$ libtool --version
libtool (GNU libtool) 2.4
$ ./build
$ make
$ make install
$ tree install
install
└── exec-1.0
    ├── ebin
    │   ├── exec.app
    │   ├── exec_app.beam
    │   └── exec.beam
    ├── include
    │   └── exec.hrl
    ├── priv
    │   └── x86_64-unknown-linux-gnu
    │       └── bin
    │           └── exec-port
    └── src
        ├── exec_app.erl
        └── exec.erl


On 9/28/2012 7:45 AM, Tim Watson wrote:> The project doesn't appear to
build cleanly on mac os lion:
>
> t4@REDACTED:erlexec $ ./configure
> configure: error: cannot find install-sh, install.sh, or shtool in
config "."/config
> t4@REDACTED:erlexec $ ./build
> Install dir: /usr/local/src/erlang/erlexec/install
> aclocal
> autoconf -i
> configure.ac:19: error: possibly undefined macro: AC_PROG_LIBTOOL
>      If this token and others are legitimate, please use m4_pattern_allow.
>      See the Autoconf documentation.
> make: *** [configure] Error 1
> t4@REDACTED:erlexec $
> t4@REDACTED:erlexec $ autoconf -V
> autoconf (GNU Autoconf) 2.69
> Copyright (C) 2012 Free Software Foundation, Inc.
> License GPLv3+/Autoconf: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>,
<http://gnu.org/licenses/exceptions.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.
>
> Written by David J. MacKenzie and Akim Demaille.
> t4@REDACTED:erlexec $
>
>
> Is there a specific version of autotools required to build and compile
erlexec?
>
> On 27 Sep 2012, at 20:11, Tim Watson wrote:
>
>> On 27 Sep 2012, at 19:18, freza@REDACTED wrote:
>>> Haven't been following this thread closely, but it seems erlexec wasn't
>>> mentioned yet:
>>>
>>> 	http://code.google.com/p/erlexec/
>>
>> Doesn't appear very well maintained. I might pick it apart and
rewrite it when native processes get released - it is a cool idea.
Anyway, for the time being it's not a great help as I'm writing a
framework to help set up and tear down clusters for distributed testing
(based largely on common test) so I want to minimise the number of
dependencies as much as possible. Besides, I'm more interested in
working on the remote/ssh runner+monitor next, rather than spending
another age fiddling around with the script runner.
>>
>> But yes, erlexec does look interesting and has been on my radar since
it popped up on this list a few months back, discussing the desire to do
proper signal handling (such as sending SIGTERM, SIGHUP, etc to the
external program) without resorting to os:cmd("kill -" ++ Code ++ " " ++
OsPid). Again, this is something that linked-in drivers *can* deal with
to a limited extent, and therefore I suspect that native processes will
make for a very nice foundation on which to build an alternative to
open_port/2.
>>
>> Also, IIRC there was a cool command line testing framework open
sourced in the last year which was announced on this list. I can't
remember what it was called, but it has a port driver that handles the
the external comms and so on - looked very nice, although that's not
what I'm trying to do/be as my focus is on getting things in a
consistent state and monitoring to make sure they stay that way through
the test run, then tearing down nicely before the next phase kicks off.
>>
>> Cheers,
>> Tim
>
>
>
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