Handle FindEigen3 module's differing definitions #370
Merged
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The
FindEigen3.cmake
CMake module setsEIGEN3_INCLUDE_DIR
instead ofEIGEN3_INCLUDE_DIRS
. Ubuntu only includes theEigen3Config.cmake
config, while Fedora includes both files. CMake gives precedence to the module over the config, so the config never gets processed.Alternatively, we could pass
NO_MODULE
to thefind_package
call, but this would fail on systems that ONLY have the module, though I'm not aware of any such distributions.