98 lines
3.1 KiB
CMake
98 lines
3.1 KiB
CMake
# Try to find SuperLU 5.x
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# Once done, this will define
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#
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# SuperLU_FOUND - system has SuperLU
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# SuperLU_LIBRARY - Link this to use SuperLU
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# SuperLU_INCLUDE_DIR - directory of SuperLU headers
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find_path(SuperLU_INCLUDE_DIR slu_ddefs.h
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/usr/include/superlu/
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/usr/include/SuperLU/
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/usr/include/
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/usr/local/include/superlu/
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/usr/local/include/SuperLU/
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/usr/local/include/
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/opt/local/include/superlu/
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/opt/local/include/SuperLU/
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/opt/local/include/
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)
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find_library(SuperLU_LIBRARY
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NAMES superlu
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PATHS ${CMAKE_SYSTEM_LIBRARY_PATH} /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib /opt/local/lib64 /opt/local/lib
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)
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set(SuperLU_FOUND NO)
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if(NOT SuperLU_FIND_QUIETLY)
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message(STATUS "Looking for SuperLU version 5")
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endif()
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if(SuperLU_LIBRARY AND SuperLU_INCLUDE_DIR)
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# Now determine if the version is version 5.
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# This voodoo is required as SuperLU developers like to keep things messy.
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if(EXISTS "${SuperLU_INCLUDE_DIR}/slu_ddefs.h")
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file(READ "${SuperLU_INCLUDE_DIR}/slu_ddefs.h" _slu_HEADER_CONTENTS)
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string(REGEX REPLACE ".*version ([0-9]).*" "\\1" SLU_VERSION_MAJOR "${_slu_HEADER_CONTENTS}")
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if("${SLU_VERSION_MAJOR}" EQUAL "5")
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set(SuperLU_FOUND YES)
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else()
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if("${SLU_VERSION_MAJOR}" EQUAL "4")
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# NOTE: SLU_VERSION_MAJOR = 4 is not 100% reliable, as the version string in slu_ddefs.h wasn't updated in SuperLU 5.0, 5.1, 5.2
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# NOTE: We need to explicitly check the prototype of dgssvx() to determine whether this is version 4 or 5.
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string(FIND "${_slu_HEADER_CONTENTS}" "dgssvx" _slu_dgssvx_start)
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if("${_slu_dgssvx_start}" GREATER 0)
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string(SUBSTRING "${_slu_HEADER_CONTENTS}" ${_slu_dgssvx_start} -1 _slu_dgssvx_tmp)
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string(FIND "${_slu_dgssvx_tmp}" ";" _slu_dgssvx_len)
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string(SUBSTRING "${_slu_HEADER_CONTENTS}" ${_slu_dgssvx_start} ${_slu_dgssvx_len} _slu_dgssvx_proto)
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string(FIND "${_slu_dgssvx_proto}" "GlobalLU_t" _slu_dgssvx_check)
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if("${_slu_dgssvx_check}" EQUAL -1)
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# in version 4, dgssvx() doesn't have a GlobalLU_t argument
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if(NOT SuperLU_FIND_QUIETLY)
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message(STATUS "Found SuperLU, but it doesn't appear to be version 5")
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endif()
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else()
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set(SuperLU_FOUND YES)
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endif()
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endif()
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else()
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if(NOT SuperLU_FIND_QUIETLY)
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message(STATUS "Found SuperLU version ${SLU_VERSION_MAJOR}, but version 5 is required")
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endif()
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endif()
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endif()
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else()
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if(NOT SuperLU_FIND_QUIETLY)
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message(STATUS "Found SuperLU and headers, but could not verify version 5")
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endif()
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endif()
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endif()
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if(SuperLU_LIBRARY AND NOT SuperLU_INCLUDE_DIR)
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if(NOT SuperLU_FIND_QUIETLY)
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message(STATUS "Incomplete installation of SuperLU: no SuperLU headers found")
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endif()
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endif()
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if(NOT SuperLU_FOUND)
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if(NOT SuperLU_FIND_QUIETLY)
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message(STATUS "Could not find SuperLU")
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endif()
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else()
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message(STATUS "Found SuperLU: ${SuperLU_LIBRARY}")
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endif()
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