Hi, I have an abstract class that I want to compile into many applications. Something like this:
baseapp.h baseapp.cpp app1.h app1.cpp app2.h app2.cpp ... I thought of making an object library from baseapp because I want to compile it only once and it is used only internally. However, baseapp depends on other libraries, e.g. dcmjpeg, mylib1 and mylib2, and the include directories of these of these libraries are not found. For regular libraries and executables, the include directories are picked up from the target property of the linked libraries, but for object libraries you cannot specify target link libraries. I came up with this: add_library(baseapp OBJECT baseapp.h baseapp.cpp) target_include_directories(baseapp PUBLIC $<TARGET_PROPERTY:dcmjpeg,INCLUDE_DIRECTORIES> $<TARGET_PROPERTY:mylib1,INCLUDE_DIRECTORIES> $<TARGET_PROPERTY:mylib2,INCLUDE_DIRECTORIES>) This works, but it does not look too pretty to me. I am wondering if there is a more elegant way. E.g. would it be a good idea to propagate the include dirs with the add_dependencies command? E.g. instead of the above, one could write: add_dependencies(baseapp dcmjpeg mylib1 mylib2) Cheers, Miklos
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