The behavior of the transitive INTERFACE_LINK_LIBRARIES combined with CMP0028 seems very broken to me. For libraries using a module (such as ZLIB), I can simply do a find_package in one of my libraries' CMakeLists.txt and link to it in a different CMakeLists.txt without issues. If I do the same with libraries using configs and IMPORTED targets (such as Qt5), I cannot have my find_package at the place of use but am forced to move it to the root CMakeLists.txt as I otherwise get CMP0028 warnings. Is this actually intended behavior? Am I doing something wrong? Shouldn't INTERFACE_LINK_LIBRARIES just include the actual libraries (and INTERFACE_INCLUDE_DIRECTORIES the actual include directories) when linking to an imported target. These extra dependencies between CMakeLists.txt are very ugly :/
-- Johannes S. Mueller-Roemer, MSc Wiss. Mitarbeiter - Interactive Engineering Technologies (IET) Fraunhofer-Institut für Graphische Datenverarbeitung IGD Fraunhoferstr. 5 | 64283 Darmstadt | Germany Tel +49 6151 155-606 | Fax +49 6151 155-139 [email protected] | www.igd.fraunhofer.de
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