[asterisk-dev] Add module dependecy in build system

[George Joseph]

On Sun, Mar 6, 2016 at 2:43 PM, Catalin Stanciu <catacsdev at gmail.com> wrote:

> Thank you, George.
>
> On Sun, Mar 6, 2016 at 10:08 PM, George Joseph <
> george.joseph at fairview5.com> wrote:
>
>>
>>
>> On Sun, Mar 6, 2016 at 1:56 PM, Catalin Stanciu <catacsdev at gmail.com>
>> wrote:
>>
>>> 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)
>>>
>>
>> ​What library are you trying to add as a dependency?​
>>
>
> I am trying to add mongo c driver library. The includes and libs can be
> added by using:
> pkg-config --cflags libmongoc-1.0
> pkg-config --libs libmongoc-1.0
>
> and I have found that mongoc_init it's a symbol defined in the library.
>

​Ah, OK.  You want to use AST_PKG_CONFIG_CHECK instead of AST_EXT_LIB_CHECK
because AST_EXT_LIB_CHECK requires that you already know cflags and libs.

Here's what works for me using the mongodb distribution for RedHat systems.

AST_EXT_LIB_SETUP([MONGODB], [MongoDB], [mongodb])
...
AST_PKG_CONFIG_CHECK([MONGODB], [libmongo-client])

and in config.log I get...

MONGODB_CFLAGS='-I/usr/include/mongo-client -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include '
MONGODB_DIR=''
MONGODB_INCLUDE='-I/usr/include/mongo-client -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include '
MONGODB_LIB='-lmongo-client '
MONGODB_LIBS='-lmongo-client '





>>
>>>
>>> 1. I have used the AST_EXT_LIB_SETUP and AST_EXT_LIB_CHECK functions to
>>> configure in configure.ac
>>>
>>
>> ​After you modified configure.ac did you run ./bootstrap.sh to recreate
>> ./configure and then run ./configure?
>>
>
> Oh, this is the step I didn't know. (Thank you)
>
>
>>
>> Does ./configure report that it's finding your new dependency?
>>
>
> For now it reports not found:
>
> checking for mongoc_init in -lmongoc... no
> I have selected the mongoc_init symbol by using this command:
> > nm -g  /usr/local/lib/libmongoc-1.0.so
>
>
>> Does config.log show your variables being set?
>>
>
> In config.log I found this variables related to my configuration:
>
> MONGOC_DIR=''
> MONGOC_INCLUDE=''
> MONGOC_LIB=''
> PBX_MONGOC='0'
>
>
>
>>
>>
>>> 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.
>>>
>>
>> ​What's happening (or not happening)?​
>>
>>
>>> Thank you.
>>>
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>>
>>
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>
>
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