[CMake] Faking a library

[Robert Maynard]

You can create imported libraries with the add_library command using
the IMPORTED option.

I have very quick example at:
https://github.com/robertmaynard/Sandbox/blob/master/ImportedLibrary/CMakeLists.txt

On Wed, Oct 16, 2013 at 5:00 PM, Magnus Therning <magnus at therning.org> wrote:
> When defining a library via add_library() it's possible to link
> against it by just putting its name into target_link_libraries().  Is
> there some way of wrapping up an external library in a similar way?
>
> As a concrete example I'm playing around with gtest[1] via
> externalproject_add() like this:
>
>     externalproject_add(gtest
>         SOURCE_DIR ${PROJECT_SOURCE_DIR}/gtest
>         BINARY_DIR gtest-build
>         INSTALL_COMMAND "" # omit installation
>         )
>
> Then to link to it I need to use
>
>     target_link_libraries(test
>         -L${CMAKE_BINARY_DIR}/gtest-build -lgtest -lpthread
>         )
>
> Is there some way to wrap that all up in a target that I can pass
> straight to target_link_libraries()?
>
> Or is my only option to create a variable that expands to those
> compiler flags?
>
> /M
>
> [1]: https://code.google.com/p/googletest/
>
> --
> Magnus Therning                      OpenPGP: 0xAB4DFBA4
> email: magnus at therning.org   jabber: magnus at therning.org
> twitter: magthe               http://therning.org/magnus
>
> As we enjoy great advantages from the inventions of others we should
> be glad of an opportunity to serve others by any invention of
> ours, and this we should do freely and generously.
>      -- Benjamin Franklin
>
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