MemeCode - Blog

Cmake stupidity...

Date: 1/12/2017
Tags: cmake

So given this snippit:

add_dependencies(my_target jansson)

I get this error:

The dependency target "jansson" of target "my_target" does not exist.

Ok so I did 'add_directory' that, so what if I did this:

add_library(jansson)
add_dependencies(my_target jansson)

Now I get:

add_library cannot create imported target "jansson" because another target with the same name already exists.

Really? It just errored out because it didn't exist? You can't have it both ways Cmake!!!

Cmake: you get what you paid for!

Comments:

fret
01/12/2017 1:44pm

For reference jansson is defined like this:

add_library(jansson STATIC IMPORTED)
set_target_properties(jansson PROPERTIES
	IMPORTED_LOCATION ${CMAKE_CURRENT_LIST_DIR}/lib/Release/${CMAKE_VS_PLATFORM_NAME}/jansson.lib
	IMPORTED_LOCATION_DEBUG ${CMAKE_CURRENT_LIST_DIR}/lib/Debug/${CMAKE_VS_PLATFORM_NAME}/jansson_d.lib
	INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_LIST_DIR}/include
)

Not that it should matter.

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