[CMake] transitive dependencies (again)

[iosif neitzke]

If you can build Ada sources first, you might wish to make that a
standalone project that is consumed downstream natively as an Imported
Library.  Do you generate the import library from a .def file, or via
some other means?

On Mon, Dec 14, 2015 at 9:59 AM, Tom Kacvinsky
<tom.kacvinsky at vectorcast.com> wrote:
> Hi Petr,
>
>
> On Mon, Dec 14, 2015 at 10:53 AM, Petr Kmoch <petr.kmoch at gmail.com> wrote:
>> Hi Tom,
>>
>> linking the static archive into the DLL should not be done by
>> add_dependencies(), but by target_link_libraries(). There, you can
>> explicitly list the archive as PRIVATE so that it does not become a part of
>> the linking interface of the DLL:
>>
>> add_library(staticArchive STATIC ...)
>>
>> add_library(theDLL SHARED ...)
>>
>> target_link_libraries(theDLL PRIVATE staticArchive)
>>
>
> Thanks for the tip.   I'll try it out.  I hope it works as I am not
> using the MSVC tool chain
> to build the DLL (i.e., not using add_library and target_link_libraries).
>
> I sent a separate reply detailing what I am using to build the DLL.
>>
>> On Mon, Dec 14, 2015 at 3:34 PM, Tom Kacvinsky
>> <tom.kacvinsky at vectorcast.com> wrote:
>>>
>>> I am getting link errors because cmake is adding transitive
>>> dependencies.  I am building a DLL which depends on a static archive
>>> (and is marked as such with add_dependencies), but when I link an
>>> executable that depends on the DLL, both libraries (import library for
>>> the DLL and static archive) are specified on the link. leading to
>>> duplicate symbol errors as the symbol are exported form the DLL and
>>> defined in the static archive.
>>>
>>> How do I work around this?  This is the one thing that has frustrated
>>> me over the last couple of years - I have never received an answer
>>> telling me how to turn off transitive dependencies.
>>>
>>> Sorry for the minor rant.
>>>
>>> Regards,
>>>
>>> Tom
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>>
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