[asterisk-dev] Add module dependecy in build system

George Joseph george.joseph at fairview5.com
Wed Mar 9 11:54:28 CST 2016 

On Wed, Mar 9, 2016 at 8:52 AM, Catalin Stanciu <catacsdev at gmail.com> wrote:

>
>
> On Wed, Mar 9, 2016 at 4:21 PM, George Joseph <george.joseph at fairview5.com
> > wrote:
>
>>
>>
>> On Wed, Mar 9, 2016 at 8:07 AM, Catalin Stanciu <catacsdev at gmail.com>
>> wrote:
>>
>>> That's great, but I have tried to install libmongo-client-devel and no
>>> package has been found in the repositories (default centos, epel, mongodb).
>>>
>>> > No package libmongo-client-devel available.
>>> > Error: Nothing to do
>>>
>>
>> ​On centos you might have to enable the EPEL repositories...
>>
>
> The EPEL repository have already been enabled before I tried it the first,
> so no luck for me.
>

​I'm on CentOS7/EPEL7  and it's in there.  Must not be in 6.​

Maybe try the packages from mongodb.
https://docs.mongodb.org/manual/tutorial/install-mongodb-on-red-hat/



>
>
>>
>> http://www.tecmint.com/how-to-enable-epel-repository-for-rhel-centos-6-5/
>> ​
>>
>>
>>>
>>> The OS version is:
>>> CentOS release 6.7 (Final)
>>> Kernel \r on an \m
>>>
>>> Thank you.
>>>
>>> On Wed, Mar 9, 2016 at 7:22 AM, George Joseph <
>>> george.joseph at fairview5.com> wrote:
>>>
>>>>
>>>>
>>>> On Tue, Mar 8, 2016 at 2:39 PM, Catalin Stanciu <catacsdev at gmail.com>
>>>> wrote:
>>>>
>>>>> Thank you for your support, the help make me succeed, having now the
>>>>> package working in ubuntu.
>>>>> Now I am testing the module in Centos 6. First I found
>>>>> that PKG_CONFIG_PATH is empty, so the AST_PKG_CONFIG_CHECK was not able to
>>>>> find the lib and include routes. I solved it exporting the pkgconfig routes:
>>>>>
>>>>> export
>>>>> PKG_CONFIG_PATH=/usr/lib64/pkgconfig:/usr/src/mongo-c-driver-1.3.3/src/:/usr/local/lib/pkgconfig/
>>>>>
>>>>
>>>> ​I think you need to install the ​libmongo-client-devel package rather
>>>> than from source.
>>>>
>>>>
>>>>>
>>>>> Everything seems to be correct since i found this problem when
>>>>> executing ./configure:
>>>>>
>>>>> checking for pg_config... /usr/bin/pg_config
>>>>> checking for PQescapeStringConn in -lpq... yes
>>>>> checking for pg_encoding_to_char within Postgres headers... yes
>>>>> ./configure: line 43633: syntax error near unexpected token
>>>>> `$PJPROJECT_DIR'
>>>>> ./configure: line 43633: `       PJPROJECT_CONFIGURE($PJPROJECT_DIR)'
>>>>>
>>>>>
>>>> ​There's something in configure.ac​ just before the error that's
>>>> causing the issue.
>>>>
>>>>
>>>>> My intuition told to install pjproject, so i did it, but output still
>>>>> the same.
>>>>>
>>>>> PD: George, are you using any yum repo to install libmongo-client.
>>>>> After a bit of research I have installed the mongo driver form source,
>>>>> because i didn't found any other method to install it.
>>>>>
>>>>
>>>> ​The package is libmongo-client-devel.​
>>>>
>>>>
>>>>
>>>>> Than you all.
>>>>>
>>>>>
>>>>> On Mon, Mar 7, 2016 at 12:11 AM, Rafael Prado Rocchi <
>>>>> prado at practis.com.br> wrote:
>>>>>
>>>>>> Hello,
>>>>>> you are doing the right way, I'll put some basic information with
>>>>>> examples to contribute.
>>>>>>
>>>>>> When creating a MODULE that needs some dependency, there are two
>>>>>> situations to check initially:
>>>>>>
>>>>>> 1) If the library is already present in configure.ac (and detected
>>>>>> when you run ./configure), then you just need to put the dependency inside
>>>>>> the Module source using <depend> tag
>>>>>> 2) If it is a NEW library not present in configure.ac, then you have
>>>>>> to change configure.ac and recreate 'configure' script.
>>>>>>
>>>>>>
>>>>>> Supposing the new library included was for example 'openr2'
>>>>>> You can do a quick check running:
>>>>>>
>>>>>> ./configure |grep openr2
>>>>>>
>>>>>>
>>>>>> The result should make it clear if it was detected or nor detected,
>>>>>> like the above example, that would give you this result:
>>>>>>
>>>>>> checking for openr2_chan_new in -lopenr2... yes
>>>>>>
>>>>>>
>>>>>> The result "yes" above means the library was Found and it's ready for
>>>>>> use. You correctly modified configure.ac and recreated configure.
>>>>>> If you get a different result or no result, check the paths where the
>>>>>> library lives in you linux distro and make the appropriate changes in
>>>>>> configure.ac because configure was not able to find them, also check
>>>>>> the logfile.
>>>>>> Some types of library install theirselves in different places, and
>>>>>> some linux distros have different places for them, special attention for
>>>>>> 64bit distros vs 32bit distros.
>>>>>>
>>>>>>
>>>>>> After succeed with ./configure you can tie dependency in any module
>>>>>> source code by using the <depend> tag inside the module you need.
>>>>>>
>>>>>> example from chan_dahdi.c :
>>>>>>
>>>>>> /*** MODULEINFO
>>>>>>         <depend>res_smdi</depend>
>>>>>>         <depend>dahdi</depend>
>>>>>>         <depend>tonezone</depend>
>>>>>>         <depend>res_features</depend>
>>>>>>         <use>pri</use>
>>>>>>         <use>openr2</use>
>>>>>>  ***/
>>>>>>
>>>>>> <depend> means module will NOT compile if dependency is not satisfied.
>>>>>> <use> means module can make use of the library or not, it's not
>>>>>> essencial and it WILL compile without the library being detected by
>>>>>> ./configure.
>>>>>>
>>>>>>
>>>>>> I hope you succeed.
>>>>>>
>>>>>>
>>>>>> Regards,
>>>>>> Rafael Prado
>>>>>>
>>>>>>
>>>>>>
>>>>>> De: <asterisk-dev-bounces at lists.digium.com> em nome de Catalin
>>>>>> Stanciu <catacsdev at gmail.com>
>>>>>> Responder para: Asterisk List <asterisk-dev at lists.digium.com>
>>>>>> Data: domingo, 6 de março de 2016 17:56
>>>>>> Para: Asterisk List <asterisk-dev at lists.digium.com>
>>>>>> Assunto: [asterisk-dev] Add module dependecy in build system
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I am trying to include a module dependency in  the asterisk build
>>>>>> system, but after some hours of research I couldn't found any useful
>>>>>> information.
>>>>>> To start I have followed the asterisk manual (
>>>>>> https://wiki.asterisk.org/wiki/display/AST/Build+System+Architecture)
>>>>>>
>>>>>> 1. I have used the AST_EXT_LIB_SETUP and AST_EXT_LIB_CHECK functions
>>>>>> to configure in configure.ac
>>>>>> 2. I have included in build_tools/menuselect-deps.in the line
>>>>>> similar to other dependencies
>>>>>> 3. I have included in makeopts.in  two lines one for LIB and the
>>>>>> other for INCLUDE.
>>>>>> 4. Finally I have included in the module source code the lines with
>>>>>> MODULEINFO
>>>>>>
>>>>>> I don't know what I am doing wrong but I think the documentation for
>>>>>> build  system architecture must have some examples with explanation of
>>>>>> complex cases.
>>>>>>
>>>>>> Thank you.
>>>>>>
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>>>>>
>>>>>
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