Re: [dpdk-dev] [PATCH v3 1/5] mk: remove combined library and related options

["Gonzalez Monroy, Sergio" <sergio.gonzalez.monroy@intel.com>]

On 09/04/2015 10:06, Avi Kivity wrote:
>
>
> On 04/09/2015 11:33 AM, Gonzalez Monroy, Sergio wrote:
>> On 08/04/2015 19:26, Stephen Hemminger wrote:
>>> On Wed,  8 Apr 2015 16:07:21 +0100
>>> Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com> wrote:
>>>
>>>> Currently, the target/rules to build combined libraries is different
>>>> than the one to build individual libraries.
>>>>
>>>> By removing the combined library option as a build configuration 
>>>> option
>>>> we simplify the build pocess by having a single point for 
>>>> linking/archiving
>>>> libraries in DPDK.
>>>>
>>>> This patch removes CONFIG_RTE_BUILD_COMBINE_LIB build config option 
>>>> and
>>>> removes the makefiles associated with building a combined library.
>>>>
>>>> The CONFIG_RTE_LIBNAME config option is kept as it will be use to
>>>> always generate a linker script that acts as a single combined 
>>>> library.
>>>>
>>>> Signed-off-by: Sergio Gonzalez Monroy 
>>>> <sergio.gonzalez.monroy@intel.com>
>>> No. We use combined library and it greatly simplfies the application
>>> linking process.
>>>
>> After all the opposition this patch had in v2, I did explain the 
>> current issues
>> (see http://dpdk.org/ml/archives/dev/2015-March/015366.html ) and 
>> this was the agreed solution.
>>
>> As I mention in the cover letter (also see patch 2/5), building DPDK 
>> (after applying this patch series) will always generate a very simple 
>> linker script that behaves as a combined library.
>> I encourage you to apply this patch series and try to build your app 
>> (which links against combined lib).
>> Your app should build without problem unless I messed up somewhere 
>> and it needs fixing.
>
> Is it possible to generate a pkgconfig file (dpdk.pc) that contains 
> all of the setting needed to compile and link with dpdk? That will 
> greatly simplify usage.
>
> A linker script is just too esoteric.
>
>
That sounds very interesting.

I would be in favor of dropping the linker script for this solution if 
everybody is happy with it.

Sergio