Experimental Physics and Industrial Control System
Thanks Michael and Andrew,
now it works.
(And even thanks to Ralph)
/Torsten
> Am 07.01.2020 um 17:54 schrieb Johnson, Andrew N. via Core-talk <[email protected]>:
>
> On 1/7/20 6:30 AM, Michael Davidsaver via Core-talk wrote:
>> When linking with static libraries the order of _LIBS matters. Look up "single pass linker".
>
> I would add that the EPICS 7 build system defines a variable EPICS_BASE_PVA_CORE_LIBS with the libraries given in the correct order, which you can use instead of having to remember (and possibly update in the future) the list of core PVA libraries to link against. It doesn't include qsrv or pvDatabase though, so using it your EthercatMC_LIBS setting should look like this:
>
> EthercatMC_LIBS += qsrv
> EthercatMC_LIBS += pvDatabase
> EthercatMC_LIBS += $(EPICS_BASE_PVA_CORE_LIBS)
>
> - Andrew
>
>
>> On Tue, Jan 7, 2020, 1:52 AM Torsten Bögershausen via Core-talk <[email protected]> wrote:
>> Hej all,
>>
>> I am working to set up a travis job for our motor module "EthercatMC".
>>
>> The dynamic build works, including pvAccess.
>> The static build fails like this:
>>
>> -----------------
>> [snip]
>> In function `epics::pvDatabase::PVDatabase::getRecordNames[abi:cxx11]()':
>>
>> pvDatabase.cpp:(.text+0x10a6): undefined reference to
>> `epics::pvData::PVDataCreate::getPVDataCreate()'
>>
>> pvDatabase.cpp:(.text+0x10b8): undefined reference to
>> [snip]
>> ----------------
>>
>> My Makefile has the following:
>> ifdef BASE_7_0
>> EthercatMC_DBD += PVAServerRegister.dbd
>> EthercatMC_DBD += PVACommonRegister.dbd
>> EthercatMC_DBD += softIocPVA.dbd
>> EthercatMC_DBD += registerChannelProviderLocal.dbd
>> endif
>>
>> ifdef BASE_7_0
>> EthercatMC_LIBS += pvAccess
>> EthercatMC_LIBS += pvAccessCA
>> EthercatMC_LIBS += pvData
>> EthercatMC_LIBS += pvDatabase
>> EthercatMC_LIBS += pvAccessIOC
>> EthercatMC_LIBS += qsrv
>> endif
>>
>>
>> First of all, we don't use static builds @ ESS, so that I can simply
>> remove that JOB -
>> and second, I tried to find out what is missing, but without success so far.
>> Does anybody have an idea, what is missing ?
>>
>>
>> The whole changeset is here:
>> <https://github.com/tboegi/m-epics-EthercatMC/compare/2d1108c874cf^...b67da723a3b4>
>>
>> And the travis JOB is here:
>> <https://travis-ci.com/tboegi/m-epics-EthercatMC/builds/143355047?utm_medium=notification&utm_source=email>
>>
>> Thanks in advance
>> /Torsten
>
> --
> Complexity comes for free, Simplicity you have to work for.
>
- References:
- EPICS 7, pvAccess & static build Torsten Bögershausen via Core-talk
- Re: EPICS 7, pvAccess & static build Michael Davidsaver via Core-talk
- Re: EPICS 7, pvAccess & static build Johnson, Andrew N. via Core-talk
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