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set(TRELLIS_PROGRAM_PREFIX "" CACHE STRING
"Trellis name prefix")
if (TRELLIS_PROGRAM_PREFIX)
message(STATUS "Trellis program prefix: ${TRELLIS_PROGRAM_PREFIX}")
endif()
if (DEFINED ENV{TRELLIS_INSTALL_PREFIX})
set(trellis_default_install_prefix $ENV{TRELLIS_INSTALL_PREFIX})
else()
set(trellis_default_install_prefix ${CMAKE_INSTALL_PREFIX})
endif()
set(TRELLIS_INSTALL_PREFIX ${trellis_default_install_prefix} CACHE STRING
"Trellis install prefix")
message(STATUS "Trellis install prefix: ${TRELLIS_INSTALL_PREFIX}")
if (NOT TRELLIS_LIBDIR)
# The pytrellis library isn't a normal shared library, but rather a native Python library;
# it does not follow the normal platform conventions for shared libraries, so we can't just
# use find_library() here. Instead, we emulate the useful parts of the find_library() logic
# for use with find_path().
set(pytrellis_paths)
foreach (prefix_path ${CMAKE_PREFIX_PATH})
list(APPEND pytrellis_paths ${prefix_path}/lib)
if (CMAKE_LIBRARY_ARCHITECTURE)
list(APPEND pytrellis_paths ${prefix_path}/lib/${CMAKE_LIBRARY_ARCHITECTURE})
endif()
endforeach()
list(APPEND pytrellis_paths ${CMAKE_LIBRARY_PATH})
if (NOT NO_CMAKE_SYSTEM_PATH)
foreach (prefix_path ${CMAKE_SYSTEM_PREFIX_PATH})
list(APPEND pytrellis_paths ${prefix_path}/lib)
if (CMAKE_LIBRARY_ARCHITECTURE)
list(APPEND pytrellis_paths ${prefix_path}/lib/${CMAKE_LIBRARY_ARCHITECTURE})
endif()
endforeach()
list(APPEND pytrellis_paths ${CMAKE_SYSTEM_LIBRARY_PATH})
endif()
message(STATUS "Searching for pytrellis in: ${pytrellis_paths}")
if (WIN32)
set(pytrellis_lib pytrellis.pyd)
else()
set(pytrellis_lib pytrellis${CMAKE_SHARED_MODULE_SUFFIX})
endif()
find_path(TRELLIS_LIBDIR ${pytrellis_lib}
HINTS ${TRELLIS_INSTALL_PREFIX}/lib/${TRELLIS_PROGRAM_PREFIX}trellis
PATHS ${pytrellis_paths}
PATH_SUFFIXES ${TRELLIS_PROGRAM_PREFIX}trellis
DOC "Location of the pytrellis library")
if (NOT TRELLIS_LIBDIR)
message(FATAL_ERROR "Failed to locate the pytrellis library")
endif()
endif()
message(STATUS "Trellis library directory: ${TRELLIS_LIBDIR}")
if (NOT TRELLIS_DATADIR)
set(TRELLIS_DATADIR ${TRELLIS_INSTALL_PREFIX}/share/${TRELLIS_PROGRAM_PREFIX}trellis)
endif()
message(STATUS "Trellis data directory: ${TRELLIS_DATADIR}")
return(PROPAGATE TRELLIS_LIBDIR TRELLIS_DATADIR)
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