CMake: improve logic for discovering Trellis.
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@ -26,14 +26,38 @@ else()
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message(STATUS "Trellis install prefix: ${TRELLIS_INSTALL_PREFIX}")
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if(NOT TRELLIS_LIBDIR)
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# The pytrellis library isn't a normal shared library, but rather a native Python library;
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# it does not follow the normal platform conventions for shared libraries, so we can't just
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# use find_library() here. Instead, we emulate the useful parts of the find_library() logic
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# for use with find_path().
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set(pytrellis_paths)
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foreach(prefix_path ${CMAKE_PREFIX_PATH})
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list(APPEND pytrellis_paths ${prefix_path}/lib)
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if(CMAKE_LIBRARY_ARCHITECTURE)
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list(APPEND pytrellis_paths ${prefix_path}/lib/${CMAKE_LIBRARY_ARCHITECTURE})
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endif()
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endforeach()
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list(APPEND pytrellis_paths ${CMAKE_LIBRARY_PATH})
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if(NOT NO_CMAKE_SYSTEM_PATH)
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foreach(prefix_path ${CMAKE_SYSTEM_PREFIX_PATH})
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list(APPEND pytrellis_paths ${prefix_path}/lib)
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if(CMAKE_LIBRARY_ARCHITECTURE)
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list(APPEND pytrellis_paths ${prefix_path}/lib/${CMAKE_LIBRARY_ARCHITECTURE})
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endif()
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endforeach()
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list(APPEND pytrellis_paths ${CMAKE_SYSTEM_LIBRARY_PATH})
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endif()
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message(STATUS "Searching for pytrellis in: ${pytrellis_paths}")
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if(WIN32)
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set(pytrellis_lib pytrellis.pyd)
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else()
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set(pytrellis_lib pytrellis${CMAKE_SHARED_LIBRARY_SUFFIX})
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endif()
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find_path(TRELLIS_LIBDIR ${pytrellis_lib}
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HINTS ${TRELLIS_INSTALL_PREFIX}/lib/${TRELLIS_PROGRAM_PREFIX}trellis
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PATHS ${CMAKE_SYSTEM_LIBRARY_PATH} ${CMAKE_LIBRARY_PATH}
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PATHS ${pytrellis_paths}
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PATH_SUFFIXES ${TRELLIS_PROGRAM_PREFIX}trellis
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DOC "Location of the pytrellis library")
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if(NOT TRELLIS_LIBDIR)
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