[CMake] transitive dependencies (again)

[Petr Kmoch]

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)

Petr

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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