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Open Source Computer Vision Library
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160 lines
5.7 KiB
160 lines
5.7 KiB
# ----- Find Matlab/Octave ----- |
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# |
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# OpenCVFindMatlab.cmake attempts to locate the install path of Matlab in order |
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# to extract the mex headers, libraries and shell scripts. If found |
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# successfully, the following variables will be defined |
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# |
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# MATLAB_FOUND: true/false |
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# MATLAB_ROOT_DIR: Root of Matlab installation |
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# MATLAB_MEX_SCRIPT The mex script used to compile mex files |
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# MATLAB_INCLUDE_DIR Path to "mex.h" |
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# MATLAB_LIBRARY_DIR Path to mex and matrix libraries |
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# MATLAB_LIBS The Matlab libs, usually mx, mex, mat |
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# MATLAB_MEXEXT The mex library extension. It will be one of: |
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# mexwin32, mexwin64, mexglx, mexa64, mexmac, |
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# mexmaci, mexmaci64, mexsol, mexs64 |
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# MATLAB_ARCH The installation architecture. It is simply |
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# the MEXEXT with the preceding "mex" removed |
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# |
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# There doesn't appear to be an elegant way to detect all versions of Matlab |
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# across different platforms. If you know the matlab path and want to avoid |
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# the search, you can define the path to the Matlab root when invoking cmake: |
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# |
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# cmake -DMATLAB_ROOT_DIR='/PATH/TO/ROOT_DIR' .. |
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# ----- locate_matlab_root ----- |
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# |
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# Attempt to find the path to the Matlab installation. If successful, sets |
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# the absolute path in the variable MATLAB_ROOT_DIR |
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function(locate_matlab_root) |
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# --- LINUX --- |
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if (UNIX AND NOT APPLE) |
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# possible root locations, in order of likelihood |
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set(SEARCH_DIRS_ /usr/local /opt/local /usr /opt) |
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foreach (DIR_ ${SEARCH_DIRS_}) |
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file(GLOB MATLAB_ROOT_DIR_ ${DIR_}/*matlab*) |
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if (MATLAB_ROOT_DIR_) |
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list(SORT MATLAB_ROOT_DIR_) |
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list(REVERSE MATLAB_ROOT_DIR_) |
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list(GET MATLAB_ROOT_DIR_ 0 MATLAB_ROOT_DIR_) |
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break() |
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endif() |
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endforeach() |
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# --- APPLE --- |
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elseif (APPLE) |
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# possible root locations, in order of likelihood |
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set(SEARCH_DIRS_ /Applications /usr/local /opt/local /usr /opt) |
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foreach (DIR_ ${SEARCH_DIRS_}) |
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file(GLOB MATLAB_ROOT_DIR_ ${DIR_}/*matlab*) |
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if (MATLAB_ROOT_DIR_) |
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list(SORT MATLAB_ROOT_DIR_) |
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list(REVERSE MATLAB_ROOT_DIR_) |
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list(GET MATLAB_ROOT_DIR_ 0 MATLAB_ROOT_DIR_) |
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break() |
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endif() |
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endforeach() |
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# --- WINDOWS --- |
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elseif (WIN32) |
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# query the registry |
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set(REG_ROOTS_ "HKEY_LOCAL_MACHINE" "HKEY_CURRENT_USER") |
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foreach(REG_ROOT_ REG_ROOTS_) |
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execute_process(COMMAND reg query ${REG_ROOT_}\\SOFTWARE\\MathWorks\\MATLAB /f * /k OUTPUT_VARIABLE VERSIONS_) |
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if (VERSIONS_) |
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# sort in order from highest to lowest |
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list(SORT VERSIONS_) |
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list(REVERSE VERSIONS_) |
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list(GET VERSIONS_ 0 VERSION_) |
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get_filename_component(MATLAB_ROOT_DIR_ [${REG_ROOT_}\\SOFTWARE\\MathWorks\\MATLAB\\${VERSION_};Install_Dir] ABSOLUTE PATH) |
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if (MATLAB_ROOT_DIR_) |
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break() |
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endif() |
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endif() |
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endforeach() |
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endif() |
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# export output into parent scope |
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if (MATLAB_ROOT_DIR_) |
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set(MATLAB_ROOT_DIR ${MATLAB_ROOT_DIR_} PARENT_SCOPE) |
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endif() |
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return() |
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endfunction() |
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# ----- locate_matlab_components ----- |
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# |
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# Given a directory MATLAB_ROOT_DIR, attempt to find the Matlab components |
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# (include directory and libraries) under the root. If everything is found, |
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# sets the variable MATLAB_FOUND to TRUE |
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function(locate_matlab_components MATLAB_ROOT_DIR) |
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# get the mex extension |
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if (UNIX) |
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execute_process(COMMAND ${MATLAB_ROOT_DIR}/bin/mexext OUTPUT_VARIABLE MATLAB_MEXEXT_) |
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elseif (WIN32) |
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execute_process(COMMAND ${MATLAB_ROOT_DIR}/bin/mexext.bat OUTPUT_VARIABLE MATLAB_MEXEXT_) |
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endif() |
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if (NOT MATLAB_MEXEXT_) |
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return() |
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endif() |
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string(STRIP ${MATLAB_MEXEXT_} MATLAB_MEXEXT_) |
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string(REPLACE "mex" "" MATLAB_ARCH_ ${MATLAB_MEXEXT_}) |
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# get the path to the libraries |
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set(MATLAB_LIBRARY_DIR_ ${MATLAB_ROOT_DIR}/bin/${MATLAB_ARCH_}) |
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# get the libraries |
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find_library(MATLAB_LIB_MX_ mx PATHS ${MATLAB_LIBRARY_DIR_} NO_DEFAULT_PATH) |
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find_library(MATLAB_LIB_MEX_ mex PATHS ${MATLAB_LIBRARY_DIR_} NO_DEFAULT_PATH) |
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find_library(MATLAB_LIB_MAT_ mat PATHS ${MATLAB_LIBRARY_DIR_} NO_DEFAULT_PATH) |
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set(MATLAB_LIBS_ ${MATLAB_LIB_MX_} ${MATLAB_LIB_MEX_} ${MATLAB_LIB_MAT_}) |
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# get the include path |
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find_path(MATLAB_INCLUDE_DIR_ mex.h ${MATLAB_ROOT_DIR}/extern/include) |
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# get the mex shell script |
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find_file(MATLAB_MEX_SCRIPT_ NAMES mex mex.bat PATHS ${MATLAB_ROOT_DIR}/bin NO_DEFAULT_PATH) |
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# export into parent scope |
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if (MATLAB_MEX_SCRIPT_ AND MATLAB_LIBS_ AND MATLAB_INCLUDE_DIR_) |
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set(MATLAB_MEX_SCRIPT ${MATLAB_MEX_SCRIPT_} PARENT_SCOPE) |
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set(MATLAB_INCLUDE_DIR ${MATLAB_INCLUDE_DIR_} PARENT_SCOPE) |
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set(MATLAB_LIBS ${MATLAB_LIBS_} PARENT_SCOPE) |
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set(MATLAB_LIBRARY_DIR ${MATLAB_LIBRARY_DIR_} PARENT_SCOPE) |
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set(MATLAB_MEXEXT ${MATLAB_MEXEXT_} PARENT_SCOPE) |
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set(MATLAB_ARCH ${MATLAB_ARCH_} PARENT_SCOPE) |
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endif() |
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return() |
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endfunction() |
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# ---------------------------------------------------------------------------- |
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# FIND MATLAB COMPONENTS |
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# ---------------------------------------------------------------------------- |
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if (NOT MATLAB_FOUND) |
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# guilty until proven innocent |
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set(MATLAB_FOUND FALSE) |
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# attempt to find the Matlab root folder |
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if (NOT MATLAB_ROOT_DIR) |
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locate_matlab_root() |
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endif() |
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# given the matlab root folder, find the library locations |
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if (MATLAB_ROOT_DIR) |
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locate_matlab_components(${MATLAB_ROOT_DIR}) |
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endif() |
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find_package_handle_standard_args(Matlab DEFAULT_MSG MATLAB_MEX_SCRIPT MATLAB_INCLUDE_DIR |
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MATLAB_ROOT_DIR MATLAB_LIBS MATLAB_LIBRARY_DIR |
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MATLAB_MEXEXT MATLAB_ARCH) |
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# if Matlab was not found, unset the local variables |
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if (NOT MATLAB_FOUND) |
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unset (MATLAB_ROOT_DIR) |
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endif() |
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endif()
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