Files
armadillo-code/cmake_aux/Modules/ARMA_FindSuperLU.cmake
T

98 lines
2.9 KiB
CMake

# Try to find suitable version of SuperLU
# Once done, this will define
#
# SuperLU_FOUND - system has SuperLU
# SuperLU_LIBRARY - Link this to use SuperLU
# SuperLU_INCLUDE_DIR - directory of SuperLU headers
find_path(SuperLU_INCLUDE_DIR slu_ddefs.h
PATHS ${CMAKE_SYSTEM_INCLUDE_PATH} /usr/include /usr/local/include /opt/local/include
PATH_SUFFIXES superlu SuperLU ""
)
find_library(SuperLU_LIBRARY
NAMES superlu
PATHS ${CMAKE_SYSTEM_LIBRARY_PATH} /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib /opt/local/lib64 /opt/local/lib
)
set(SuperLU_FOUND NO)
if(NOT SuperLU_FIND_QUIETLY)
message(STATUS "Looking for suitable version of SuperLU")
endif()
if(SuperLU_LIBRARY AND SuperLU_INCLUDE_DIR)
# determine if this is a suitable version of SuperLU
if(EXISTS "${SuperLU_INCLUDE_DIR}/slu_ddefs.h")
file(READ "${SuperLU_INCLUDE_DIR}/slu_ddefs.h" _slu_HEADER_CONTENTS)
string(REGEX REPLACE ".*version ([0-9]).*" "\\1" SLU_VERSION_MAJOR "${_slu_HEADER_CONTENTS}")
if("${SLU_VERSION_MAJOR}" EQUAL "7")
set(SuperLU_FOUND YES)
endif()
if("${SLU_VERSION_MAJOR}" EQUAL "6")
set(SuperLU_FOUND YES)
endif()
if("${SLU_VERSION_MAJOR}" EQUAL "5")
set(SuperLU_FOUND YES)
endif()
if("${SLU_VERSION_MAJOR}" EQUAL "4")
# 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
# NOTE: We need to explicitly check the prototype of dgssvx() to determine whether this is version 4 or 5.
string(FIND "${_slu_HEADER_CONTENTS}" "dgssvx" _slu_dgssvx_start)
if("${_slu_dgssvx_start}" GREATER 0)
string(SUBSTRING "${_slu_HEADER_CONTENTS}" ${_slu_dgssvx_start} -1 _slu_dgssvx_tmp)
string(FIND "${_slu_dgssvx_tmp}" ";" _slu_dgssvx_len)
string(SUBSTRING "${_slu_HEADER_CONTENTS}" ${_slu_dgssvx_start} ${_slu_dgssvx_len} _slu_dgssvx_proto)
string(FIND "${_slu_dgssvx_proto}" "GlobalLU_t" _slu_dgssvx_check)
if("${_slu_dgssvx_check}" EQUAL -1)
# in version 4, dgssvx() doesn't have a GlobalLU_t argument
if(NOT SuperLU_FIND_QUIETLY)
message(STATUS "Found SuperLU 4, which is insufficient")
endif()
else()
set(SuperLU_FOUND YES)
endif()
endif()
endif()
else()
message(STATUS "Could not read ${SuperLU_INCLUDE_DIR}/slu_ddefs.h to verify suitable version")
endif()
endif()
if(SuperLU_LIBRARY AND NOT SuperLU_INCLUDE_DIR)
if(NOT SuperLU_FIND_QUIETLY)
message(STATUS "Incomplete installation of SuperLU: no SuperLU headers found")
endif()
endif()
if(NOT SuperLU_FOUND)
if(NOT SuperLU_FIND_QUIETLY)
message(STATUS "Could not find suitable version of SuperLU")
endif()
else()
message(STATUS "Found SuperLU library: ${SuperLU_LIBRARY}")
endif()