Project P depends on library L. L comes with a module FindL.cmake, which is so complicated that we would not be able to adapt it to our needs.
On most platforms, users will build P from source, and dynamically link with L. For them, the line find_package(L REQUIRED) in P/CMakeLists.txt works fine. But now let's suppose users of platform W are unable to cope with binaries that depend on dynamic libraries. They want a fully self-contained executable. Therefore on this platform, we need to link P statically with L. Let's assume that a static binary of L is provided in an idiosyncratic location X/L.lib. So we need to inform CMake that we want static linkage, and where L.lib is located. What is the best way to do this? Shall we bypass find_package? Or shall we provide a location hint to find_package? Shall we hard-code the library location, or pass it as a command-line argument?
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