libftdi Archives

Subject: Re: static linking against libftdi?

From: Chris Morgan <chmorgan@xxxxxxxxx>
To: "libftdi@xxxxxxxxxxxxxxxxxxxxxxx" <libftdi@xxxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 28 Jan 2014 10:57:33 -0500
On Tue, Jan 28, 2014 at 8:53 AM, Chris Morgan <chmorgan@xxxxxxxxx> wrote:
> On Tue, Jan 28, 2014 at 4:53 AM,
> <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>>>>>>> "Chris" == Chris Morgan <chmorgan@xxxxxxxxx> writes:
>>
>>     Chris> How do I use that script? Do I just include it like:
>>
>> In xc3sprog/CMakeLists.txt I have
>> ...
>> set(USE_STATIC_FTDI ON)
>> ...
>> find_package(libftdi)
>> include_directories(${LIBFTDI_INCLUDE_DIR})
>> ...
>> add_executable(detectchain detectchain.cpp cables.h devices.h)
>> target_link_libraries(detectchain xc3sproglib ${LIBFTDI_LIBRARIES} 
>> ${LIBFTD2XX_LIBRARIES} ${CONDITIONAL_LIBS})
>>
>> add_executable(xc3sprog xc3sprog.cpp javr.cpp srecfile.cpp progalgavr.cpp
>>                         devices.h)
>> target_link_libraries(xc3sprog xc3sproglib ${LIBFTDI_LIBRARIES}  
>> ${LIBFTD2XX_LIBRARIES} ${CONDITIONAL_LIBS}  )
>>
>> add_executable(readdna readdna.cpp devices.h)
>> target_link_libraries(readdna xc3sproglib ${LIBFTDI_LIBRARIES}  
>> ${LIBFTD2XX_LIBRARIES} ${CONDITIONAL_LIBS}  )
>>
>
>
> I tried this but for whatever reason the Findlibftdi.cmake can't find
> my libftdi files. I suspect this is because I'm actually installing
> libftdi to a user directory and the pkg-config and other entries
> aren't in the correct place. For whatever reason the example cmake
> usage in the libftdi source is working for me, the:
>
> find_package (LibFTDI1 NO_MODULE REQUIRED)
> include (${LIBFTDI_USE_FILE})
>
>
>
> Still seems like a better approach to support this in the existing
> libftdi cmake scripts, unless I'm missing something as to why this
> shouldn't be done.
>
> I was looking at what it might take to add this support to libftdi
> proper. In LibFTDI1Config.cmake there are set()s for LIBFTDI_LIBRARY
> and LIBFTDI_LIBRARIES. What if we introduce two new ones,
>
> LIBFTDI_STATIC_LIBRARY and LIBFTDI_STATIC_LIBRARIES that refer to
> libftdi1.a instead of libftdi1.so? I tested this locally and it
> appears to be working properly.
>
> Thoughts?
>
> Chris


And by thoughts, I want to see if what I'm saying makes sense before
sending patches, but didn't want to go down that road if there is a
better idea or approach.

Chris

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