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qt-build-tools/6.5.1/_tools/cmake/share/cmake-3.18/Modules/FindMatlab.cmake

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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindMatlab
----------
Finds Matlab or Matlab Compiler Runtime (MCR) and provides Matlab tools,
libraries and compilers to CMake.
This package primary purpose is to find the libraries associated with Matlab
or the MCR in order to be able to build Matlab extensions (mex files). It
can also be used:
* to run specific commands in Matlab in case Matlab is available
* for declaring Matlab unit test
* to retrieve various information from Matlab (mex extensions, versions and
release queries, ...)
The module supports the following components:
* ``ENG_LIBRARY`` and ``MAT_LIBRARY``: respectively the ``ENG`` and ``MAT``
libraries of Matlab
* ``MAIN_PROGRAM`` the Matlab binary program. Note that this component is not
available on the MCR version, and will yield an error if the MCR is found
instead of the regular Matlab installation.
* ``MEX_COMPILER`` the MEX compiler.
* ``MCC_COMPILER`` the MCC compiler, included with the Matlab Compiler add-on.
* ``SIMULINK`` the Simulink environment.
.. note::
The version given to the :command:`find_package` directive is the Matlab
**version**, which should not be confused with the Matlab *release* name
(eg. `R2014`).
The :command:`matlab_get_version_from_release_name` and
:command:`matlab_get_release_name_from_version` provide a mapping
between the release name and the version.
The variable :variable:`Matlab_ROOT_DIR` may be specified in order to give
the path of the desired Matlab version. Otherwise, the behaviour is platform
specific:
* Windows: The installed versions of Matlab/MCR are retrieved from the
Windows registry
* OS X: The installed versions of Matlab/MCR are given by the MATLAB
default installation paths in ``/Application``. If no such application is
found, it falls back to the one that might be accessible from the ``PATH``.
* Unix: The desired Matlab should be accessible from the ``PATH``. This does
not work for MCR installation and :variable:`Matlab_ROOT_DIR` should be
specified on this platform.
Additional information is provided when :variable:`MATLAB_FIND_DEBUG` is set.
When a Matlab/MCR installation is found automatically and the ``MATLAB_VERSION``
is not given, the version is queried from Matlab directly (on Windows this
may pop up a Matlab window) or from the MCR installation.
The mapping of the release names and the version of Matlab is performed by
defining pairs (name, version). The variable
:variable:`MATLAB_ADDITIONAL_VERSIONS` may be provided before the call to
the :command:`find_package` in order to handle additional versions.
A Matlab scripts can be added to the set of tests using the
:command:`matlab_add_unit_test`. By default, the Matlab unit test framework
will be used (>= 2013a) to run this script, but regular ``.m`` files
returning an exit code can be used as well (0 indicating a success).
Module Input Variables
^^^^^^^^^^^^^^^^^^^^^^
Users or projects may set the following variables to configure the module
behaviour:
:variable:`Matlab_ROOT_DIR`
the root of the Matlab installation.
:variable:`MATLAB_FIND_DEBUG`
outputs debug information
:variable:`MATLAB_ADDITIONAL_VERSIONS`
additional versions of Matlab for the automatic retrieval of the installed
versions.
Variables defined by the module
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Result variables
""""""""""""""""
``Matlab_FOUND``
``TRUE`` if the Matlab installation is found, ``FALSE``
otherwise. All variable below are defined if Matlab is found.
``Matlab_ROOT_DIR``
the final root of the Matlab installation determined by the FindMatlab
module.
``Matlab_MAIN_PROGRAM``
the Matlab binary program. Available only if the component ``MAIN_PROGRAM``
is given in the :command:`find_package` directive.
``Matlab_INCLUDE_DIRS``
the path of the Matlab libraries headers
``Matlab_MEX_LIBRARY``
library for mex, always available.
``Matlab_MX_LIBRARY``
mx library of Matlab (arrays), always available.
``Matlab_ENG_LIBRARY``
Matlab engine library. Available only if the component ``ENG_LIBRARY``
is requested.
``Matlab_MAT_LIBRARY``
Matlab matrix library. Available only if the component ``MAT_LIBRARY``
is requested.
``Matlab_ENGINE_LIBRARY``
Matlab C++ engine library, always available for R2018a and newer.
``Matlab_DATAARRAY_LIBRARY``
Matlab C++ data array library, always available for R2018a and newer.
``Matlab_LIBRARIES``
the whole set of libraries of Matlab
``Matlab_MEX_COMPILER``
the mex compiler of Matlab. Currently not used.
Available only if the component ``MEX_COMPILER`` is requested.
``Matlab_MCC_COMPILER``
the mcc compiler of Matlab. Included with the Matlab Compiler add-on.
Available only if the component ``MCC_COMPILER`` is requested.
Cached variables
""""""""""""""""
``Matlab_MEX_EXTENSION``
the extension of the mex files for the current platform (given by Matlab).
``Matlab_ROOT_DIR``
the location of the root of the Matlab installation found. If this value
is changed by the user, the result variables are recomputed.
Provided macros
^^^^^^^^^^^^^^^
:command:`matlab_get_version_from_release_name`
returns the version from the release name
:command:`matlab_get_release_name_from_version`
returns the release name from the Matlab version
Provided functions
^^^^^^^^^^^^^^^^^^
:command:`matlab_add_mex`
adds a target compiling a MEX file.
:command:`matlab_add_unit_test`
adds a Matlab unit test file as a test to the project.
:command:`matlab_extract_all_installed_versions_from_registry`
parses the registry for all Matlab versions. Available on Windows only.
The part of the registry parsed is dependent on the host processor
:command:`matlab_get_all_valid_matlab_roots_from_registry`
returns all the possible Matlab or MCR paths, according to a previously
given list. Only the existing/accessible paths are kept. This is mainly
useful for the searching all possible Matlab installation.
:command:`matlab_get_mex_suffix`
returns the suffix to be used for the mex files
(platform/architecture dependent)
:command:`matlab_get_version_from_matlab_run`
returns the version of Matlab/MCR, given the full directory of the Matlab/MCR
installation path.
Known issues
^^^^^^^^^^^^
**Symbol clash in a MEX target**
By default, every symbols inside a MEX
file defined with the command :command:`matlab_add_mex` have hidden
visibility, except for the entry point. This is the default behaviour of
the MEX compiler, which lowers the risk of symbol collision between the
libraries shipped with Matlab, and the libraries to which the MEX file is
linking to. This is also the default on Windows platforms.
However, this is not sufficient in certain case, where for instance your
MEX file is linking against libraries that are already loaded by Matlab,
even if those libraries have different SONAMES.
A possible solution is to hide the symbols of the libraries to which the
MEX target is linking to. This can be achieved in GNU GCC compilers with
the linker option ``-Wl,--exclude-libs,ALL``.
**Tests using GPU resources**
in case your MEX file is using the GPU and
in order to be able to run unit tests on this MEX file, the GPU resources
should be properly released by Matlab. A possible solution is to make
Matlab aware of the use of the GPU resources in the session, which can be
performed by a command such as ``D = gpuDevice()`` at the beginning of
the test script (or via a fixture).
Reference
^^^^^^^^^
.. variable:: Matlab_ROOT_DIR
The root folder of the Matlab installation. If set before the call to
:command:`find_package`, the module will look for the components in that
path. If not set, then an automatic search of Matlab
will be performed. If set, it should point to a valid version of Matlab.
.. variable:: MATLAB_FIND_DEBUG
If set, the lookup of Matlab and the intermediate configuration steps are
outputted to the console.
.. variable:: MATLAB_ADDITIONAL_VERSIONS
If set, specifies additional versions of Matlab that may be looked for.
The variable should be a list of strings, organised by pairs of release
name and versions, such as follows::
set(MATLAB_ADDITIONAL_VERSIONS
"release_name1=corresponding_version1"
"release_name2=corresponding_version2"
...
)
Example::
set(MATLAB_ADDITIONAL_VERSIONS
"R2013b=8.2"
"R2013a=8.1"
"R2012b=8.0")
The order of entries in this list matters when several versions of
Matlab are installed. The priority is set according to the ordering in
this list.
#]=======================================================================]
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
cmake_policy(PUSH)
cmake_policy(SET CMP0057 NEW) # if IN_LIST
qt 6.5.1 builds
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set(_FindMatlab_SELF_DIR "${CMAKE_CURRENT_LIST_DIR}")
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
include(CheckCXXCompilerFlag)
include(CheckCCompilerFlag)
# The currently supported versions. Other version can be added by the user by
# providing MATLAB_ADDITIONAL_VERSIONS
if(NOT MATLAB_ADDITIONAL_VERSIONS)
set(MATLAB_ADDITIONAL_VERSIONS)
endif()
set(MATLAB_VERSIONS_MAPPING
qr 6.5.1: still missed with cmake version, trying 3.18.3
2023-11-01 06:36:59 +08:00
"R2020b=9.9"
well, looks like cmake 3.17 is required though
2023-11-01 06:34:31 +08:00
"R2020a=9.8"
"R2019b=9.7"
"R2019a=9.6"
qt 6.5.1 builds
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"R2018b=9.5"
"R2018a=9.4"
"R2017b=9.3"
"R2017a=9.2"
"R2016b=9.1"
"R2016a=9.0"
"R2015b=8.6"
"R2015a=8.5"
"R2014b=8.4"
"R2014a=8.3"
"R2013b=8.2"
"R2013a=8.1"
"R2012b=8.0"
"R2012a=7.14"
"R2011b=7.13"
"R2011a=7.12"
"R2010b=7.11"
${MATLAB_ADDITIONAL_VERSIONS}
)
# temporary folder for all Matlab runs
set(_matlab_temporary_folder ${CMAKE_BINARY_DIR}/Matlab)
if(NOT EXISTS "${_matlab_temporary_folder}")
file(MAKE_DIRECTORY "${_matlab_temporary_folder}")
endif()
#[=======================================================================[.rst:
.. command:: matlab_get_version_from_release_name
Returns the version of Matlab (17.58) from a release name (R2017k)
#]=======================================================================]
macro(matlab_get_version_from_release_name release_name version_name)
string(REGEX MATCHALL "${release_name}=([0-9]+\\.?[0-9]*)" _matched ${MATLAB_VERSIONS_MAPPING})
set(${version_name} "")
if(NOT _matched STREQUAL "")
set(${version_name} ${CMAKE_MATCH_1})
else()
message(WARNING "[MATLAB] The release name ${release_name} is not registered")
endif()
unset(_matched)
endmacro()
#[=======================================================================[.rst:
.. command:: matlab_get_release_name_from_version
Returns the release name (R2017k) from the version of Matlab (17.58)
#]=======================================================================]
macro(matlab_get_release_name_from_version version release_name)
set(${release_name} "")
foreach(_var IN LISTS MATLAB_VERSIONS_MAPPING)
string(REGEX MATCHALL "(.+)=${version}" _matched ${_var})
if(NOT _matched STREQUAL "")
set(${release_name} ${CMAKE_MATCH_1})
break()
endif()
endforeach(_var)
unset(_var)
unset(_matched)
if(${release_name} STREQUAL "")
message(WARNING "[MATLAB] The version ${version} is not registered")
endif()
endmacro()
# extracts all the supported release names (R2017k...) of Matlab
# internal use
macro(matlab_get_supported_releases list_releases)
set(${list_releases})
foreach(_var IN LISTS MATLAB_VERSIONS_MAPPING)
string(REGEX MATCHALL "(.+)=([0-9]+\\.?[0-9]*)" _matched ${_var})
if(NOT _matched STREQUAL "")
list(APPEND ${list_releases} ${CMAKE_MATCH_1})
endif()
unset(_matched)
unset(CMAKE_MATCH_1)
endforeach(_var)
unset(_var)
endmacro()
# extracts all the supported versions of Matlab
# internal use
macro(matlab_get_supported_versions list_versions)
set(${list_versions})
foreach(_var IN LISTS MATLAB_VERSIONS_MAPPING)
string(REGEX MATCHALL "(.+)=([0-9]+\\.?[0-9]*)" _matched ${_var})
if(NOT _matched STREQUAL "")
list(APPEND ${list_versions} ${CMAKE_MATCH_2})
endif()
unset(_matched)
unset(CMAKE_MATCH_1)
endforeach(_var)
unset(_var)
endmacro()
#[=======================================================================[.rst:
.. command:: matlab_extract_all_installed_versions_from_registry
This function parses the registry and founds the Matlab versions that are
installed. The found versions are returned in `matlab_versions`.
Set `win64` to `TRUE` if the 64 bit version of Matlab should be looked for
The returned list contains all versions under
``HKLM\\SOFTWARE\\Mathworks\\MATLAB`` and
``HKLM\\SOFTWARE\\Mathworks\\MATLAB Runtime`` or an empty list in case an
error occurred (or nothing found).
.. note::
Only the versions are provided. No check is made over the existence of the
installation referenced in the registry,
#]=======================================================================]
function(matlab_extract_all_installed_versions_from_registry win64 matlab_versions)
if(NOT CMAKE_HOST_WIN32)
message(FATAL_ERROR "[MATLAB] This macro can only be called by a windows host (call to reg.exe)")
endif()
if(${win64} AND CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "64")
set(APPEND_REG "/reg:64")
else()
set(APPEND_REG "/reg:32")
endif()
set(matlabs_from_registry)
foreach(_installation_type IN ITEMS "MATLAB" "MATLAB Runtime")
# /reg:64 should be added on 64 bits capable OSs in order to enable the
# redirection of 64 bits applications
execute_process(
COMMAND reg query HKEY_LOCAL_MACHINE\\SOFTWARE\\Mathworks\\${_installation_type} /f * /k ${APPEND_REG}
RESULT_VARIABLE resultMatlab
OUTPUT_VARIABLE varMatlab
ERROR_VARIABLE errMatlab
INPUT_FILE NUL
)
cmake 3.16.2 is required
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if(resultMatlab EQUAL 0)
qt 6.5.1 builds
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string(
REGEX MATCHALL "MATLAB\\\\([0-9]+(\\.[0-9]+)?)"
matlab_versions_regex ${varMatlab})
foreach(match IN LISTS matlab_versions_regex)
string(
REGEX MATCH "MATLAB\\\\(([0-9]+)(\\.([0-9]+))?)"
current_match ${match})
set(_matlab_current_version ${CMAKE_MATCH_1})
set(current_matlab_version_major ${CMAKE_MATCH_2})
set(current_matlab_version_minor ${CMAKE_MATCH_4})
if(NOT current_matlab_version_minor)
set(current_matlab_version_minor "0")
endif()
list(APPEND matlabs_from_registry ${_matlab_current_version})
unset(_matlab_current_version)
endforeach()
endif()
endforeach()
if(matlabs_from_registry)
list(REMOVE_DUPLICATES matlabs_from_registry)
list(SORT matlabs_from_registry)
list(REVERSE matlabs_from_registry)
endif()
set(${matlab_versions} ${matlabs_from_registry} PARENT_SCOPE)
endfunction()
# (internal)
macro(extract_matlab_versions_from_registry_brute_force matlab_versions)
# get the supported versions
set(matlab_supported_versions)
matlab_get_supported_versions(matlab_supported_versions)
# this is a manual population of the versions we want to look for
# this can be done as is, but preferably with the call to
# matlab_get_supported_versions and variable
# populating the versions we want to look for
# set(matlab_supported_versions)
# # Matlab 7
# set(matlab_major 7)
# foreach(current_matlab_minor RANGE 4 20)
# list(APPEND matlab_supported_versions "${matlab_major}.${current_matlab_minor}")
# endforeach(current_matlab_minor)
# # Matlab 8
# set(matlab_major 8)
# foreach(current_matlab_minor RANGE 0 5)
# list(APPEND matlab_supported_versions "${matlab_major}.${current_matlab_minor}")
# endforeach(current_matlab_minor)
# # taking into account the possible additional versions provided by the user
# if(DEFINED MATLAB_ADDITIONAL_VERSIONS)
# list(APPEND matlab_supported_versions MATLAB_ADDITIONAL_VERSIONS)
# endif()
# we order from more recent to older
if(matlab_supported_versions)
list(REMOVE_DUPLICATES matlab_supported_versions)
list(SORT matlab_supported_versions)
list(REVERSE matlab_supported_versions)
endif()
set(${matlab_versions} ${matlab_supported_versions})
endmacro()
#[=======================================================================[.rst:
.. command:: matlab_get_all_valid_matlab_roots_from_registry
Populates the Matlab root with valid versions of Matlab or
Matlab Runtime (MCR).
The returned matlab_roots is organized in triplets
``(type,version_number,matlab_root_path)``, where ``type``
indicates either ``MATLAB`` or ``MCR``.
::
matlab_get_all_valid_matlab_roots_from_registry(
matlab_versions
matlab_roots)
``matlab_versions``
the versions of each of the Matlab or MCR installations
``matlab_roots``
the location of each of the Matlab or MCR installations
#]=======================================================================]
function(matlab_get_all_valid_matlab_roots_from_registry matlab_versions matlab_roots)
# The matlab_versions comes either from
# extract_matlab_versions_from_registry_brute_force or
# matlab_extract_all_installed_versions_from_registry.
set(_matlab_roots_list )
# check for Matlab installations
foreach(_matlab_current_version ${matlab_versions})
get_filename_component(
current_MATLAB_ROOT
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\MathWorks\\MATLAB\\${_matlab_current_version};MATLABROOT]"
ABSOLUTE)
if(EXISTS ${current_MATLAB_ROOT})
list(APPEND _matlab_roots_list "MATLAB" ${_matlab_current_version} ${current_MATLAB_ROOT})
endif()
endforeach()
# Check for MCR installations
foreach(_matlab_current_version ${matlab_versions})
get_filename_component(
current_MATLAB_ROOT
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\MathWorks\\MATLAB Runtime\\${_matlab_current_version};MATLABROOT]"
ABSOLUTE)
# remove the dot
string(REPLACE "." "" _matlab_current_version_without_dot "${_matlab_current_version}")
if(EXISTS ${current_MATLAB_ROOT})
list(APPEND _matlab_roots_list "MCR" ${_matlab_current_version} "${current_MATLAB_ROOT}/v${_matlab_current_version_without_dot}")
endif()
endforeach()
set(${matlab_roots} ${_matlab_roots_list} PARENT_SCOPE)
endfunction()
#[=======================================================================[.rst:
.. command:: matlab_get_mex_suffix
Returns the extension of the mex files (the suffixes).
This function should not be called before the appropriate Matlab root has
been found.
::
matlab_get_mex_suffix(
matlab_root
mex_suffix)
``matlab_root``
the root of the Matlab/MCR installation
``mex_suffix``
the variable name in which the suffix will be returned.
#]=======================================================================]
function(matlab_get_mex_suffix matlab_root mex_suffix)
# todo setup the extension properly. Currently I do not know if this is
# sufficient for all win32 distributions.
# there is also CMAKE_EXECUTABLE_SUFFIX that could be tweaked
set(mexext_suffix "")
if(WIN32)
list(APPEND mexext_suffix ".bat")
endif()
# we first try without suffix, since cmake does not understand a list with
# one empty string element
find_program(
Matlab_MEXEXTENSIONS_PROG
NAMES mexext
PATHS ${matlab_root}/bin
DOC "Matlab MEX extension provider"
NO_DEFAULT_PATH
)
foreach(current_mexext_suffix IN LISTS mexext_suffix)
if(NOT DEFINED Matlab_MEXEXTENSIONS_PROG OR NOT Matlab_MEXEXTENSIONS_PROG)
# this call should populate the cache automatically
find_program(
Matlab_MEXEXTENSIONS_PROG
"mexext${current_mexext_suffix}"
PATHS ${matlab_root}/bin
DOC "Matlab MEX extension provider"
NO_DEFAULT_PATH
)
endif()
endforeach(current_mexext_suffix)
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] Determining mex files extensions from '${matlab_root}/bin' with program '${Matlab_MEXEXTENSIONS_PROG}'")
endif()
# the program has been found?
if((NOT Matlab_MEXEXTENSIONS_PROG) OR (NOT EXISTS ${Matlab_MEXEXTENSIONS_PROG}))
if(MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] Cannot found mexext program. Matlab root is ${matlab_root}")
endif()
unset(Matlab_MEXEXTENSIONS_PROG CACHE)
return()
endif()
set(_matlab_mex_extension)
set(devnull)
if(UNIX)
set(devnull INPUT_FILE /dev/null)
elseif(WIN32)
set(devnull INPUT_FILE NUL)
endif()
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(WIN32)
# this environment variable is used to determine the arch on Windows
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(ENV{MATLAB_ARCH} "win64")
else()
set(ENV{MATLAB_ARCH} "win32")
endif()
endif()
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
# this is the preferred way. If this does not work properly (eg. MCR on Windows), then we use our own knowledge
execute_process(
COMMAND ${Matlab_MEXEXTENSIONS_PROG}
OUTPUT_VARIABLE _matlab_mex_extension
ERROR_VARIABLE _matlab_mex_extension_error
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
OUTPUT_STRIP_TRAILING_WHITESPACE
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
${devnull})
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
unset(ENV{MATLAB_ARCH})
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(_matlab_mex_extension_error)
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
if(WIN32)
# this is only for intel architecture
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(_matlab_mex_extension "mexw64")
else()
set(_matlab_mex_extension "mexw32")
endif()
endif()
endif()
string(STRIP "${_matlab_mex_extension}" _matlab_mex_extension)
if(MATLAB_FIND_DEBUG)
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
message(STATUS "[MATLAB] '${Matlab_MEXEXTENSIONS_PROG}' : determined extension '${_matlab_mex_extension}' and error string is '${_matlab_mex_extension_error}'")
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
endif()
unset(Matlab_MEXEXTENSIONS_PROG CACHE)
set(${mex_suffix} ${_matlab_mex_extension} PARENT_SCOPE)
endfunction()
#[=======================================================================[.rst:
.. command:: matlab_get_version_from_matlab_run
This function runs Matlab program specified on arguments and extracts its
version. If the path provided for the Matlab installation points to an MCR
installation, the version is extracted from the installed files.
::
matlab_get_version_from_matlab_run(
matlab_binary_path
matlab_list_versions)
``matlab_binary_path``
the location of the `matlab` binary executable
``matlab_list_versions``
the version extracted from Matlab
#]=======================================================================]
function(matlab_get_version_from_matlab_run matlab_binary_program matlab_list_versions)
set(${matlab_list_versions} "" PARENT_SCOPE)
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] Determining the version of Matlab from ${matlab_binary_program}")
endif()
if(EXISTS "${_matlab_temporary_folder}/matlabVersionLog.cmaketmp")
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] Removing previous ${_matlab_temporary_folder}/matlabVersionLog.cmaketmp file")
endif()
file(REMOVE "${_matlab_temporary_folder}/matlabVersionLog.cmaketmp")
endif()
# the log file is needed since on windows the command executes in a new
# window and it is not possible to get back the answer of Matlab
# the -wait command is needed on windows, otherwise the call returns
# immediately after the program launches itself.
if(WIN32)
set(_matlab_additional_commands "-wait")
endif()
set(devnull)
if(UNIX)
set(devnull INPUT_FILE /dev/null)
elseif(WIN32)
set(devnull INPUT_FILE NUL)
endif()
# timeout set to 120 seconds, in case it does not start
# note as said before OUTPUT_VARIABLE cannot be used in a platform
# independent manner however, not setting it would flush the output of Matlab
# in the current console (unix variant)
execute_process(
COMMAND "${matlab_binary_program}" -nosplash -nojvm ${_matlab_additional_commands} -logfile "matlabVersionLog.cmaketmp" -nodesktop -nodisplay -r "version, exit"
OUTPUT_VARIABLE _matlab_version_from_cmd_dummy
RESULT_VARIABLE _matlab_result_version_call
ERROR_VARIABLE _matlab_result_version_call_error
TIMEOUT 120
WORKING_DIRECTORY "${_matlab_temporary_folder}"
${devnull}
)
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(_matlab_result_version_call MATCHES "timeout")
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
if(MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] Unable to determine the version of Matlab."
" Matlab call timed out after 120 seconds.")
endif()
return()
endif()
if(${_matlab_result_version_call})
if(MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] Unable to determine the version of Matlab. Matlab call returned with error ${_matlab_result_version_call}.")
endif()
return()
elseif(NOT EXISTS "${_matlab_temporary_folder}/matlabVersionLog.cmaketmp")
if(MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] Unable to determine the version of Matlab. The log file does not exist.")
endif()
return()
endif()
# if successful, read back the log
file(READ "${_matlab_temporary_folder}/matlabVersionLog.cmaketmp" _matlab_version_from_cmd)
file(REMOVE "${_matlab_temporary_folder}/matlabVersionLog.cmaketmp")
set(index -1)
string(FIND "${_matlab_version_from_cmd}" "ans" index)
if(index EQUAL -1)
if(MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] Cannot find the version of Matlab returned by the run.")
endif()
else()
set(matlab_list_of_all_versions_tmp)
string(SUBSTRING "${_matlab_version_from_cmd}" ${index} -1 substring_ans)
string(
REGEX MATCHALL "ans[\r\n\t ]*=[\r\n\t ]*'?([0-9]+(\\.[0-9]+)?)"
matlab_versions_regex
${substring_ans})
foreach(match IN LISTS matlab_versions_regex)
string(
REGEX MATCH "ans[\r\n\t ]*=[\r\n\t ]*'?(([0-9]+)(\\.([0-9]+))?)"
current_match ${match})
list(APPEND matlab_list_of_all_versions_tmp ${CMAKE_MATCH_1})
endforeach()
if(matlab_list_of_all_versions_tmp)
list(REMOVE_DUPLICATES matlab_list_of_all_versions_tmp)
endif()
set(${matlab_list_versions} ${matlab_list_of_all_versions_tmp} PARENT_SCOPE)
endif()
endfunction()
#[=======================================================================[.rst:
.. command:: matlab_add_unit_test
Adds a Matlab unit test to the test set of cmake/ctest.
This command requires the component ``MAIN_PROGRAM`` and hence is not
available for an MCR installation.
The unit test uses the Matlab unittest framework (default, available
starting Matlab 2013b+) except if the option ``NO_UNITTEST_FRAMEWORK``
is given.
The function expects one Matlab test script file to be given.
In the case ``NO_UNITTEST_FRAMEWORK`` is given, the unittest script file
should contain the script to be run, plus an exit command with the exit
value. This exit value will be passed to the ctest framework (0 success,
non 0 failure). Additional arguments accepted by :command:`add_test` can be
passed through ``TEST_ARGS`` (eg. ``CONFIGURATION <config> ...``).
::
matlab_add_unit_test(
NAME <name>
UNITTEST_FILE matlab_file_containing_unittest.m
[CUSTOM_TEST_COMMAND matlab_command_to_run_as_test]
[UNITTEST_PRECOMMAND matlab_command_to_run]
[TIMEOUT timeout]
[ADDITIONAL_PATH path1 [path2 ...]]
[MATLAB_ADDITIONAL_STARTUP_OPTIONS option1 [option2 ...]]
[TEST_ARGS arg1 [arg2 ...]]
[NO_UNITTEST_FRAMEWORK]
)
The function arguments are:
``NAME``
name of the unittest in ctest.
``UNITTEST_FILE``
the matlab unittest file. Its path will be automatically
added to the Matlab path.
``CUSTOM_TEST_COMMAND``
Matlab script command to run as the test.
If this is not set, then the following is run:
``runtests('matlab_file_name'), exit(max([ans(1,:).Failed]))``
where ``matlab_file_name`` is the ``UNITTEST_FILE`` without the extension.
``UNITTEST_PRECOMMAND``
Matlab script command to be ran before the file
containing the test (eg. GPU device initialisation based on CMake
variables).
``TIMEOUT``
the test timeout in seconds. Defaults to 180 seconds as the
Matlab unit test may hang.
``ADDITIONAL_PATH``
a list of paths to add to the Matlab path prior to
running the unit test.
``MATLAB_ADDITIONAL_STARTUP_OPTIONS``
a list of additional option in order
to run Matlab from the command line.
``-nosplash -nodesktop -nodisplay`` are always added.
``TEST_ARGS``
Additional options provided to the add_test command. These
options are added to the default options (eg. "CONFIGURATIONS Release")
``NO_UNITTEST_FRAMEWORK``
when set, indicates that the test should not
use the unittest framework of Matlab (available for versions >= R2013a).
``WORKING_DIRECTORY``
This will be the working directory for the test. If specified it will
also be the output directory used for the log file of the test run.
If not specified the temporary directory ``${CMAKE_BINARY_DIR}/Matlab`` will
be used as the working directory and the log location.
#]=======================================================================]
function(matlab_add_unit_test)
if(NOT Matlab_MAIN_PROGRAM)
message(FATAL_ERROR "[MATLAB] This functionality needs the MAIN_PROGRAM component (not default)")
endif()
set(options NO_UNITTEST_FRAMEWORK)
set(oneValueArgs NAME UNITTEST_FILE TIMEOUT WORKING_DIRECTORY
UNITTEST_PRECOMMAND CUSTOM_TEST_COMMAND)
set(multiValueArgs ADDITIONAL_PATH MATLAB_ADDITIONAL_STARTUP_OPTIONS TEST_ARGS)
set(prefix _matlab_unittest_prefix)
cmake_parse_arguments(PARSE_ARGV 0 ${prefix} "${options}" "${oneValueArgs}" "${multiValueArgs}" )
if(NOT ${prefix}_NAME)
message(FATAL_ERROR "[MATLAB] The Matlab test name cannot be empty")
endif()
add_test(NAME ${${prefix}_NAME}
COMMAND ${CMAKE_COMMAND}
"-Dtest_name=${${prefix}_NAME}"
"-Dadditional_paths=${${prefix}_ADDITIONAL_PATH}"
"-Dtest_timeout=${${prefix}_TIMEOUT}"
"-Doutput_directory=${_matlab_temporary_folder}"
"-Dworking_directory=${${prefix}_WORKING_DIRECTORY}"
"-DMatlab_PROGRAM=${Matlab_MAIN_PROGRAM}"
"-Dno_unittest_framework=${${prefix}_NO_UNITTEST_FRAMEWORK}"
"-DMatlab_ADDITIONAL_STARTUP_OPTIONS=${${prefix}_MATLAB_ADDITIONAL_STARTUP_OPTIONS}"
"-Dunittest_file_to_run=${${prefix}_UNITTEST_FILE}"
"-Dcustom_Matlab_test_command=${${prefix}_CUSTOM_TEST_COMMAND}"
"-Dcmd_to_run_before_test=${${prefix}_UNITTEST_PRECOMMAND}"
-P ${_FindMatlab_SELF_DIR}/MatlabTestsRedirect.cmake
${${prefix}_TEST_ARGS}
${${prefix}_UNPARSED_ARGUMENTS}
)
endfunction()
#[=======================================================================[.rst:
.. command:: matlab_add_mex
Adds a Matlab MEX target.
This commands compiles the given sources with the current tool-chain in
order to produce a MEX file. The final name of the produced output may be
specified, as well as additional link libraries, and a documentation entry
for the MEX file. Remaining arguments of the call are passed to the
:command:`add_library` or :command:`add_executable` command.
::
matlab_add_mex(
NAME <name>
[EXECUTABLE | MODULE | SHARED]
SRC src1 [src2 ...]
[OUTPUT_NAME output_name]
[DOCUMENTATION file.txt]
[LINK_TO target1 target2 ...]
[R2017b | R2018a]
cmake 3.16.2 is required
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[EXCLUDE_FROM_ALL]
qt 6.5.1 builds
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[...]
)
``NAME``
name of the target.
``SRC``
list of source files.
``LINK_TO``
a list of additional link dependencies. The target links to ``libmex``
and ``libmx`` by default.
``OUTPUT_NAME``
if given, overrides the default name. The default name is
the name of the target without any prefix and
with ``Matlab_MEX_EXTENSION`` suffix.
``DOCUMENTATION``
if given, the file ``file.txt`` will be considered as
being the documentation file for the MEX file. This file is copied into
the same folder without any processing, with the same name as the final
mex file, and with extension `.m`. In that case, typing ``help <name>``
in Matlab prints the documentation contained in this file.
``R2017b`` or ``R2018a`` may be given to specify the version of the C API
to use: ``R2017b`` specifies the traditional (separate complex) C API,
and corresponds to the ``-R2017b`` flag for the `mex` command. ``R2018a``
specifies the new interleaved complex C API, and corresponds to the
``-R2018a`` flag for the `mex` command. Ignored if MATLAB version prior
to R2018a. Defaults to ``R2017b``.
``MODULE`` or ``SHARED`` may be given to specify the type of library to be
created. ``EXECUTABLE`` may be given to create an executable instead of
a library. If no type is given explicitly, the type is ``SHARED``.
cmake 3.16.2 is required
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``EXCLUDE_FROM_ALL``
This option has the same meaning as for :prop_tgt:`EXCLUDE_FROM_ALL` and
is forwarded to :command:`add_library` or :command:`add_executable`
commands.
qt 6.5.1 builds
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The documentation file is not processed and should be in the following
format:
::
% This is the documentation
function ret = mex_target_output_name(input1)
#]=======================================================================]
function(matlab_add_mex)
if(NOT WIN32)
# we do not need all this on Windows
# pthread options
if(CMAKE_CXX_COMPILER_LOADED)
check_cxx_compiler_flag(-pthread HAS_MINUS_PTHREAD)
elseif(CMAKE_C_COMPILER_LOADED)
check_c_compiler_flag(-pthread HAS_MINUS_PTHREAD)
endif()
# we should use try_compile instead, the link flags are discarded from
# this compiler_flag function.
#check_cxx_compiler_flag(-Wl,--exclude-libs,ALL HAS_SYMBOL_HIDING_CAPABILITY)
endif()
cmake 3.16.2 is required
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set(options EXECUTABLE MODULE SHARED R2017b R2018a EXCLUDE_FROM_ALL)
qt 6.5.1 builds
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set(oneValueArgs NAME DOCUMENTATION OUTPUT_NAME)
set(multiValueArgs LINK_TO SRC)
set(prefix _matlab_addmex_prefix)
cmake_parse_arguments(${prefix} "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
if(NOT ${prefix}_NAME)
message(FATAL_ERROR "[MATLAB] The MEX target name cannot be empty")
endif()
if(NOT ${prefix}_OUTPUT_NAME)
set(${prefix}_OUTPUT_NAME ${${prefix}_NAME})
endif()
cmake 3.16.2 is required
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if(NOT Matlab_VERSION_STRING VERSION_LESS "9.1") # For 9.1 (R2016b) and newer, add version source file
well, looks like cmake 3.17 is required though
2023-11-01 06:34:31 +08:00
# Add the correct version file depending on which languages are enabled in the project
if(CMAKE_C_COMPILER_LOADED)
# If C is enabled, use the .c file as it will work fine also with C++
set(MEX_VERSION_FILE "${Matlab_ROOT_DIR}/extern/version/c_mexapi_version.c")
elseif(CMAKE_CXX_COMPILER_LOADED)
# If C is not enabled, check if CXX is enabled and use the .cpp file
# to avoid that the .c file is silently ignored
set(MEX_VERSION_FILE "${Matlab_ROOT_DIR}/extern/version/cpp_mexapi_version.cpp")
else()
# If neither C or CXX is enabled, warn because we cannot add the source.
# TODO: add support for fortran mex files
message(WARNING "[MATLAB] matlab_add_mex requires that at least C or CXX are enabled languages")
endif()
qt 6.5.1 builds
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endif()
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(NOT Matlab_VERSION_STRING VERSION_LESS "9.4") # For 9.4 (R2018a) and newer, add API macro
qt 6.5.1 builds
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if(${${prefix}_R2018a})
set(MEX_API_MACRO "MATLAB_DEFAULT_RELEASE=R2018a")
else()
set(MEX_API_MACRO "MATLAB_DEFAULT_RELEASE=R2017b")
endif()
endif()
cmake 3.16.2 is required
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set(_option_EXCLUDE_FROM_ALL)
if(${prefix}_EXCLUDE_FROM_ALL)
set(_option_EXCLUDE_FROM_ALL "EXCLUDE_FROM_ALL")
endif()
qt 6.5.1 builds
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if(${prefix}_EXECUTABLE)
add_executable(${${prefix}_NAME}
cmake 3.16.2 is required
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${_option_EXCLUDE_FROM_ALL}
qt 6.5.1 builds
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${${prefix}_SRC}
${MEX_VERSION_FILE}
${${prefix}_DOCUMENTATION}
${${prefix}_UNPARSED_ARGUMENTS})
else()
if(${prefix}_MODULE)
set(type MODULE)
else()
set(type SHARED)
endif()
add_library(${${prefix}_NAME}
${type}
cmake 3.16.2 is required
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${_option_EXCLUDE_FROM_ALL}
qt 6.5.1 builds
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${${prefix}_SRC}
${MEX_VERSION_FILE}
${${prefix}_DOCUMENTATION}
${${prefix}_UNPARSED_ARGUMENTS})
endif()
target_include_directories(${${prefix}_NAME} PRIVATE ${Matlab_INCLUDE_DIRS})
if(Matlab_HAS_CPP_API)
target_link_libraries(${${prefix}_NAME} ${Matlab_ENGINE_LIBRARY} ${Matlab_DATAARRAY_LIBRARY})
endif()
target_link_libraries(${${prefix}_NAME} ${Matlab_MEX_LIBRARY} ${Matlab_MX_LIBRARY} ${${prefix}_LINK_TO})
set_target_properties(${${prefix}_NAME}
PROPERTIES
PREFIX ""
OUTPUT_NAME ${${prefix}_OUTPUT_NAME}
SUFFIX ".${Matlab_MEX_EXTENSION}")
target_compile_definitions(${${prefix}_NAME} PRIVATE ${MEX_API_MACRO} MATLAB_MEX_FILE)
# documentation
if(NOT ${${prefix}_DOCUMENTATION} STREQUAL "")
get_target_property(output_name ${${prefix}_NAME} OUTPUT_NAME)
add_custom_command(
TARGET ${${prefix}_NAME}
PRE_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${${prefix}_DOCUMENTATION} $<TARGET_FILE_DIR:${${prefix}_NAME}>/${output_name}.m
COMMENT "[MATLAB] Copy ${${prefix}_NAME} documentation file into the output folder"
)
endif() # documentation
# entry point in the mex file + taking care of visibility and symbol clashes.
if(WIN32)
if (MSVC)
set(_link_flags "${_link_flags} /EXPORT:mexFunction")
cmake 3.16.2 is required
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if(NOT Matlab_VERSION_STRING VERSION_LESS "9.1") # For 9.1 (R2016b) and newer, export version
qt 6.5.1 builds
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set(_link_flags "${_link_flags} /EXPORT:mexfilerequiredapiversion")
endif()
set_property(TARGET ${${prefix}_NAME} APPEND PROPERTY LINK_FLAGS ${_link_flags})
cmake 3.16.2 is required
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endif() # No other compiler currently supported on Windows.
qt 6.5.1 builds
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set_target_properties(${${prefix}_NAME}
PROPERTIES
DEFINE_SYMBOL "DLL_EXPORT_SYM=__declspec(dllexport)")
else()
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(Matlab_VERSION_STRING VERSION_LESS "9.1") # For versions prior to 9.1 (R2016b)
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
set(_ver_map_files ${Matlab_EXTERN_LIBRARY_DIR}/mexFunction.map)
else() # For 9.1 (R2016b) and newer
set(_ver_map_files ${Matlab_EXTERN_LIBRARY_DIR}/c_exportsmexfileversion.map)
endif()
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(NOT Matlab_VERSION_STRING VERSION_LESS "9.5") # For 9.5 (R2018b) (and newer?)
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
target_compile_options(${${prefix}_NAME} PRIVATE "-fvisibility=default")
# This one is weird, it might be a bug in <mex.h> for R2018b. When compiling with
# -fvisibility=hidden, the symbol `mexFunction` cannot be exported. Reading the
# source code for <mex.h>, it seems that the preprocessor macro `MW_NEEDS_VERSION_H`
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
# needs to be defined for `__attribute__((visibility("default")))` to be added
qt 6.5.1 builds
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# in front of the declaration of `mexFunction`. In previous versions of MATLAB this
# was not the case, there `DLL_EXPORT_SYM` needed to be defined.
# Adding `-fvisibility=hidden` to the `mex` command causes the build to fail.
# TODO: Check that this is still necessary in R2019a when it comes out.
endif()
if(APPLE)
if(Matlab_HAS_CPP_API)
list(APPEND _ver_map_files ${Matlab_EXTERN_LIBRARY_DIR}/cppMexFunction.map) # This one doesn't exist on Linux
set(_link_flags "${_link_flags} -Wl,-U,_mexCreateMexFunction -Wl,-U,_mexDestroyMexFunction -Wl,-U,_mexFunctionAdapter")
# On MacOS, the MEX command adds the above, without it the link breaks
# because we indiscriminately use "cppMexFunction.map" even for C API MEX-files.
endif()
set(_export_flag_name -exported_symbols_list)
else() # Linux
if(HAS_MINUS_PTHREAD)
# Apparently, compiling with -pthread generated the proper link flags
# and some defines at compilation
target_compile_options(${${prefix}_NAME} PRIVATE "-pthread")
endif()
set(_link_flags "${_link_flags} -Wl,--as-needed")
set(_export_flag_name --version-script)
endif()
foreach(_file ${_ver_map_files})
set(_link_flags "${_link_flags} -Wl,${_export_flag_name},${_file}")
endforeach()
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
# The `mex` command doesn't add this define. It is specified here in order
# to export the symbol in case the client code decides to hide its symbols
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
set_target_properties(${${prefix}_NAME}
PROPERTIES
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
DEFINE_SYMBOL "DLL_EXPORT_SYM=__attribute__((visibility(\"default\")))"
qt 6.5.1 builds
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LINK_FLAGS "${_link_flags}"
cmake 3.16.2 is required
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)
qt 6.5.1 builds
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endif()
endfunction()
# (internal)
# Used to get the version of matlab, using caching. This basically transforms the
# output of the root list, with possible unknown version, to a version
# This can possibly run Matlab for extracting the version.
function(_Matlab_get_version_from_root matlab_root matlab_or_mcr matlab_known_version matlab_final_version)
# if the version is not trivial, we query matlab (if not MCR) for that
# we keep track of the location of matlab that induced this version
#if(NOT DEFINED Matlab_PROG_VERSION_STRING_AUTO_DETECT)
# set(Matlab_PROG_VERSION_STRING_AUTO_DETECT "" CACHE INTERNAL "internal matlab location for the discovered version")
#endif()
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(NOT matlab_known_version STREQUAL "NOTFOUND")
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
# the version is known, we just return it
set(${matlab_final_version} ${matlab_known_version} PARENT_SCOPE)
set(Matlab_VERSION_STRING_INTERNAL ${matlab_known_version} CACHE INTERNAL "Matlab version (automatically determined)" FORCE)
return()
endif()
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(matlab_or_mcr STREQUAL "UNKNOWN")
qt 6.5.1 builds
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if(MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] Determining Matlab or MCR")
endif()
if(EXISTS "${matlab_root}/appdata/version.xml")
# we inspect the application version.xml file that contains the product information
file(STRINGS "${matlab_root}/appdata/version.xml" productinfo_string NEWLINE_CONSUME)
string(REGEX MATCH "<installedProductData.*displayedString=\"([a-zA-Z ]+)\".*/>"
product_reg_match
${productinfo_string}
)
# default fallback to Matlab
set(matlab_or_mcr "MATLAB")
cmake 3.16.2 is required
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if(NOT CMAKE_MATCH_1 STREQUAL "")
qt 6.5.1 builds
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string(TOLOWER "${CMAKE_MATCH_1}" product_reg_match)
cmake 3.16.2 is required
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if(product_reg_match STREQUAL "matlab runtime")
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
set(matlab_or_mcr "MCR")
endif()
endif()
endif()
if(MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] '${matlab_root}' contains the '${matlab_or_mcr}'")
endif()
endif()
# UNKNOWN is the default behaviour in case we
# - have an erroneous matlab_root
# - have an initial 'UNKNOWN'
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(matlab_or_mcr STREQUAL "MATLAB" OR matlab_or_mcr STREQUAL "UNKNOWN")
qt 6.5.1 builds
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# MATLAB versions
set(_matlab_current_program ${Matlab_MAIN_PROGRAM})
# do we already have a matlab program?
if(NOT _matlab_current_program)
set(_find_matlab_options)
if(matlab_root AND EXISTS ${matlab_root})
set(_find_matlab_options PATHS ${matlab_root} ${matlab_root}/bin NO_DEFAULT_PATH)
endif()
find_program(
_matlab_current_program
matlab
${_find_matlab_options}
DOC "Matlab main program"
)
endif()
if(NOT _matlab_current_program OR NOT EXISTS ${_matlab_current_program})
# if not found, clear the dependent variables
if(MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] Cannot find the main matlab program under ${matlab_root}")
endif()
set(Matlab_PROG_VERSION_STRING_AUTO_DETECT "" CACHE INTERNAL "internal matlab location for the discovered version" FORCE)
set(Matlab_VERSION_STRING_INTERNAL "" CACHE INTERNAL "internal matlab location for the discovered version" FORCE)
unset(_matlab_current_program)
unset(_matlab_current_program CACHE)
return()
endif()
# full real path for path comparison
get_filename_component(_matlab_main_real_path_tmp "${_matlab_current_program}" REALPATH)
unset(_matlab_current_program)
unset(_matlab_current_program CACHE)
# is it the same as the previous one?
if(_matlab_main_real_path_tmp STREQUAL Matlab_PROG_VERSION_STRING_AUTO_DETECT)
set(${matlab_final_version} ${Matlab_VERSION_STRING_INTERNAL} PARENT_SCOPE)
return()
endif()
# update the location of the program
set(Matlab_PROG_VERSION_STRING_AUTO_DETECT
${_matlab_main_real_path_tmp}
CACHE INTERNAL "internal matlab location for the discovered version" FORCE)
set(matlab_list_of_all_versions)
matlab_get_version_from_matlab_run("${Matlab_PROG_VERSION_STRING_AUTO_DETECT}" matlab_list_of_all_versions)
list(LENGTH matlab_list_of_all_versions list_of_all_versions_length)
cmake 3.16.2 is required
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if(list_of_all_versions_length GREATER 0)
qt 6.5.1 builds
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list(GET matlab_list_of_all_versions 0 _matlab_version_tmp)
else()
set(_matlab_version_tmp "unknown")
endif()
# set the version into the cache
set(Matlab_VERSION_STRING_INTERNAL ${_matlab_version_tmp} CACHE INTERNAL "Matlab version (automatically determined)" FORCE)
# warning, just in case several versions found (should not happen)
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if((list_of_all_versions_length GREATER 1) AND MATLAB_FIND_DEBUG)
qt 6.5.1 builds
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message(WARNING "[MATLAB] Found several versions, taking the first one (versions found ${matlab_list_of_all_versions})")
endif()
# return the updated value
set(${matlab_final_version} ${Matlab_VERSION_STRING_INTERNAL} PARENT_SCOPE)
elseif(EXISTS "${matlab_root}/VersionInfo.xml")
# MCR
# we cannot run anything in order to extract the version. We assume that the file
# VersionInfo.xml exists under the MatlabRoot, we look for it and extract the version from there
set(_matlab_version_tmp "unknown")
file(STRINGS "${matlab_root}/VersionInfo.xml" versioninfo_string NEWLINE_CONSUME)
if(versioninfo_string)
# parses "<version>9.2.0.538062</version>"
string(REGEX MATCH "<version>(.*)</version>"
version_reg_match
${versioninfo_string}
)
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(CMAKE_MATCH_1 MATCHES "(([0-9])\\.([0-9]))[\\.0-9]*")
set(_matlab_version_tmp "${CMAKE_MATCH_1}")
qt 6.5.1 builds
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endif()
endif()
set(${matlab_final_version} "${_matlab_version_tmp}" PARENT_SCOPE)
set(Matlab_VERSION_STRING_INTERNAL
"${_matlab_version_tmp}"
CACHE INTERNAL "Matlab (MCR) version (automatically determined)"
FORCE)
endif() # Matlab or MCR
endfunction()
# Utility function for finding Matlab or MCR on Win32
function(_Matlab_find_instances_win32 matlab_roots)
# On WIN32, we look for Matlab installation in the registry
# if unsuccessful, we look for all known revision and filter the existing
# ones.
# testing if we are able to extract the needed information from the registry
set(_matlab_versions_from_registry)
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(_matlab_win64 ON)
else()
set(_matlab_win64 OFF)
endif()
matlab_extract_all_installed_versions_from_registry(_matlab_win64 _matlab_versions_from_registry)
# the returned list is empty, doing the search on all known versions
if(NOT _matlab_versions_from_registry)
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] Search for Matlab from the registry unsuccessful, testing all supported versions")
endif()
extract_matlab_versions_from_registry_brute_force(_matlab_versions_from_registry)
endif()
# filtering the results with the registry keys
matlab_get_all_valid_matlab_roots_from_registry("${_matlab_versions_from_registry}" _matlab_possible_roots)
set(${matlab_roots} ${_matlab_possible_roots} PARENT_SCOPE)
endfunction()
# Utility function for finding Matlab or MCR on OSX
function(_Matlab_find_instances_osx matlab_roots)
set(_matlab_possible_roots)
# on mac, we look for the /Application paths
# this corresponds to the behaviour on Windows. On Linux, we do not have
# any other guess.
matlab_get_supported_releases(_matlab_releases)
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] Matlab supported versions ${_matlab_releases}. If more version should be supported "
"the variable MATLAB_ADDITIONAL_VERSIONS can be set according to the documentation")
endif()
foreach(_matlab_current_release IN LISTS _matlab_releases)
matlab_get_version_from_release_name("${_matlab_current_release}" _matlab_current_version)
string(REPLACE "." "" _matlab_current_version_without_dot "${_matlab_current_version}")
set(_matlab_base_path "/Applications/MATLAB_${_matlab_current_release}.app")
# Check Matlab, has precedence over MCR
if(EXISTS ${_matlab_base_path})
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] Found version ${_matlab_current_release} (${_matlab_current_version}) in ${_matlab_base_path}")
endif()
list(APPEND _matlab_possible_roots "MATLAB" ${_matlab_current_version} ${_matlab_base_path})
endif()
# Checks MCR
set(_mcr_path "/Applications/MATLAB/MATLAB_Runtime/v${_matlab_current_version_without_dot}")
if(EXISTS "${_mcr_path}")
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] Found MCR version ${_matlab_current_release} (${_matlab_current_version}) in ${_mcr_path}")
endif()
list(APPEND _matlab_possible_roots "MCR" ${_matlab_current_version} ${_mcr_path})
endif()
endforeach()
set(${matlab_roots} ${_matlab_possible_roots} PARENT_SCOPE)
endfunction()
# Utility function for finding Matlab or MCR from the PATH
function(_Matlab_find_instances_from_path matlab_roots)
set(_matlab_possible_roots)
# At this point, we have no other choice than trying to find it from PATH.
# If set by the user, this wont change
find_program(
_matlab_main_tmp
NAMES matlab)
if(_matlab_main_tmp)
# we then populate the list of roots, with empty version
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] matlab found from PATH: ${_matlab_main_tmp}")
endif()
# resolve symlinks
get_filename_component(_matlab_current_location "${_matlab_main_tmp}" REALPATH)
# get the directory (the command below has to be run twice)
# this will be the matlab root
get_filename_component(_matlab_current_location "${_matlab_current_location}" DIRECTORY)
get_filename_component(_matlab_current_location "${_matlab_current_location}" DIRECTORY) # Matlab should be in bin
# We found the Matlab program
list(APPEND _matlab_possible_roots "MATLAB" "NOTFOUND" ${_matlab_current_location})
# we remove this from the CACHE
unset(_matlab_main_tmp CACHE)
else()
find_program(
_matlab_mex_tmp
NAMES mex)
if(_matlab_mex_tmp)
# we then populate the list of roots, with empty version
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] mex compiler found from PATH: ${_matlab_mex_tmp}")
endif()
# resolve symlinks
get_filename_component(_mex_current_location "${_matlab_mex_tmp}" REALPATH)
# get the directory (the command below has to be run twice)
# this will be the matlab root
get_filename_component(_mex_current_location "${_mex_current_location}" DIRECTORY)
get_filename_component(_mex_current_location "${_mex_current_location}" DIRECTORY) # Matlab Runtime mex compiler should be in bin
# We found the Matlab program
list(APPEND _matlab_possible_roots "MCR" "NOTFOUND" ${_mex_current_location})
unset(_matlab_mex_tmp CACHE)
else()
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] mex compiler not found")
endif()
endif()
endif()
set(${matlab_roots} ${_matlab_possible_roots} PARENT_SCOPE)
endfunction()
# ###################################
# Exploring the possible Matlab_ROOTS
# this variable will get all Matlab installations found in the current system.
set(_matlab_possible_roots)
if(Matlab_ROOT_DIR)
# if the user specifies a possible root, we keep this one
if(NOT EXISTS "${Matlab_ROOT_DIR}")
# if Matlab_ROOT_DIR specified but erroneous
if(MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] the specified path for Matlab_ROOT_DIR does not exist (${Matlab_ROOT_DIR})")
endif()
else()
# NOTFOUND indicates the code below to search for the version automatically
if("${Matlab_VERSION_STRING_INTERNAL}" STREQUAL "")
list(APPEND _matlab_possible_roots "UNKNOWN" "NOTFOUND" ${Matlab_ROOT_DIR}) # empty version, empty MCR/Matlab indication
else()
list(APPEND _matlab_possible_roots "UNKNOWN" ${Matlab_VERSION_STRING_INTERNAL} ${Matlab_ROOT_DIR}) # cached version
endif()
endif()
else()
# if the user does not specify the possible installation root, we look for
# one installation using the appropriate heuristics.
# There is apparently no standard way on Linux.
if(CMAKE_HOST_WIN32)
_Matlab_find_instances_win32(_matlab_possible_roots_win32)
list(APPEND _matlab_possible_roots ${_matlab_possible_roots_win32})
elseif(APPLE)
_Matlab_find_instances_osx(_matlab_possible_roots_osx)
list(APPEND _matlab_possible_roots ${_matlab_possible_roots_osx})
endif()
endif()
list(LENGTH _matlab_possible_roots _numbers_of_matlab_roots)
if(_numbers_of_matlab_roots EQUAL 0)
# if we have not found anything, we fall back on the PATH
_Matlab_find_instances_from_path(_matlab_possible_roots)
endif()
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] Matlab root folders are ${_matlab_possible_roots}")
endif()
# take the first possible Matlab root
list(LENGTH _matlab_possible_roots _numbers_of_matlab_roots)
set(Matlab_VERSION_STRING "NOTFOUND")
set(Matlab_Or_MCR "UNKNOWN")
if(_numbers_of_matlab_roots GREATER 0)
cmake 3.16.2 is required
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if(Matlab_FIND_VERSION_EXACT)
list(FIND _matlab_possible_roots ${Matlab_FIND_VERSION} _list_index)
if(_list_index LESS 0)
set(_list_index 1)
endif()
math(EXPR _matlab_or_mcr_index "${_list_index} - 1")
math(EXPR _matlab_root_dir_index "${_list_index} + 1")
list(GET _matlab_possible_roots ${_matlab_or_mcr_index} Matlab_Or_MCR)
list(GET _matlab_possible_roots ${_list_index} Matlab_VERSION_STRING)
list(GET _matlab_possible_roots ${_matlab_root_dir_index} Matlab_ROOT_DIR)
else()
list(GET _matlab_possible_roots 0 Matlab_Or_MCR)
list(GET _matlab_possible_roots 1 Matlab_VERSION_STRING)
list(GET _matlab_possible_roots 2 Matlab_ROOT_DIR)
# adding a warning in case of ambiguity
if(_numbers_of_matlab_roots GREATER 3 AND MATLAB_FIND_DEBUG)
message(WARNING "[MATLAB] Found several distributions of Matlab. Setting the current version to ${Matlab_VERSION_STRING} (located ${Matlab_ROOT_DIR})."
" If this is not the desired behaviour, use the EXACT keyword or provide the -DMatlab_ROOT_DIR=... on the command line")
endif()
qt 6.5.1 builds
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endif()
endif()
# check if the root changed wrt. the previous defined one, if so
# clear all the cached variables for being able to reconfigure properly
if(DEFINED Matlab_ROOT_DIR_LAST_CACHED)
if(NOT Matlab_ROOT_DIR_LAST_CACHED STREQUAL Matlab_ROOT_DIR)
set(_Matlab_cached_vars
Matlab_VERSION_STRING
Matlab_INCLUDE_DIRS
Matlab_MEX_LIBRARY
Matlab_MEX_COMPILER
Matlab_MCC_COMPILER
Matlab_MAIN_PROGRAM
Matlab_MX_LIBRARY
Matlab_ENG_LIBRARY
Matlab_MAT_LIBRARY
Matlab_ENGINE_LIBRARY
Matlab_DATAARRAY_LIBRARY
Matlab_MEX_EXTENSION
Matlab_SIMULINK_INCLUDE_DIR
# internal
Matlab_MEXEXTENSIONS_PROG
Matlab_ROOT_DIR_LAST_CACHED
#Matlab_PROG_VERSION_STRING_AUTO_DETECT
#Matlab_VERSION_STRING_INTERNAL
)
foreach(_var IN LISTS _Matlab_cached_vars)
if(DEFINED ${_var})
unset(${_var} CACHE)
endif()
endforeach()
endif()
endif()
set(Matlab_ROOT_DIR_LAST_CACHED ${Matlab_ROOT_DIR} CACHE INTERNAL "last Matlab root dir location")
set(Matlab_ROOT_DIR ${Matlab_ROOT_DIR} CACHE PATH "Matlab installation root path" FORCE)
# Fix the version, in case this one is NOTFOUND
_Matlab_get_version_from_root(
"${Matlab_ROOT_DIR}"
"${Matlab_Or_MCR}"
${Matlab_VERSION_STRING}
Matlab_VERSION_STRING
)
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] Current version is ${Matlab_VERSION_STRING} located ${Matlab_ROOT_DIR}")
endif()
cmake 3.16.2 is required
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# MATLAB 9.4 (R2018a) and newer have a new C++ API
# This API pulls additional required libraries.
if(NOT ${Matlab_VERSION_STRING} VERSION_LESS "9.4")
qt 6.5.1 builds
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set(Matlab_HAS_CPP_API 1)
endif()
if(Matlab_ROOT_DIR)
file(TO_CMAKE_PATH ${Matlab_ROOT_DIR} Matlab_ROOT_DIR)
endif()
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(_matlab_64Build FALSE)
else()
set(_matlab_64Build TRUE)
endif()
if(APPLE)
set(_matlab_bin_prefix "mac") # i should be for intel
set(_matlab_bin_suffix_32bits "i")
set(_matlab_bin_suffix_64bits "i64")
elseif(UNIX)
set(_matlab_bin_prefix "gln")
set(_matlab_bin_suffix_32bits "x86")
set(_matlab_bin_suffix_64bits "xa64")
else()
set(_matlab_bin_prefix "win")
set(_matlab_bin_suffix_32bits "32")
set(_matlab_bin_suffix_64bits "64")
endif()
set(MATLAB_INCLUDE_DIR_TO_LOOK ${Matlab_ROOT_DIR}/extern/include)
if(_matlab_64Build)
set(_matlab_current_suffix ${_matlab_bin_suffix_64bits})
else()
set(_matlab_current_suffix ${_matlab_bin_suffix_32bits})
endif()
set(Matlab_BINARIES_DIR
${Matlab_ROOT_DIR}/bin/${_matlab_bin_prefix}${_matlab_current_suffix})
set(Matlab_EXTERN_LIBRARY_DIR
${Matlab_ROOT_DIR}/extern/lib/${_matlab_bin_prefix}${_matlab_current_suffix})
set(Matlab_EXTERN_BINARIES_DIR
${Matlab_ROOT_DIR}/extern/bin/${_matlab_bin_prefix}${_matlab_current_suffix})
if(WIN32)
if(MINGW)
set(_matlab_lib_dir_for_search ${Matlab_EXTERN_LIBRARY_DIR}/mingw64)
else()
set(_matlab_lib_dir_for_search ${Matlab_EXTERN_LIBRARY_DIR}/microsoft)
endif()
set(_matlab_lib_prefix_for_search "lib")
else()
set(_matlab_lib_dir_for_search ${Matlab_BINARIES_DIR} ${Matlab_EXTERN_BINARIES_DIR})
set(_matlab_lib_prefix_for_search "lib")
endif()
unset(_matlab_64Build)
if(NOT DEFINED Matlab_MEX_EXTENSION)
set(_matlab_mex_extension "")
matlab_get_mex_suffix("${Matlab_ROOT_DIR}" _matlab_mex_extension)
# This variable goes to the cache.
set(Matlab_MEX_EXTENSION ${_matlab_mex_extension} CACHE STRING "Extensions for the mex targets (automatically given by Matlab)")
unset(_matlab_mex_extension)
endif()
if(MATLAB_FIND_DEBUG)
message(STATUS "[MATLAB] [DEBUG]_matlab_lib_prefix_for_search = ${_matlab_lib_prefix_for_search} | _matlab_lib_dir_for_search = ${_matlab_lib_dir_for_search}")
endif()
# internal
# This small stub around find_library is to prevent any pollution of CMAKE_FIND_LIBRARY_PREFIXES in the global scope.
# This is the function to be used below instead of the find_library directives.
function(_Matlab_find_library _matlab_library_prefix)
set(CMAKE_FIND_LIBRARY_PREFIXES ${CMAKE_FIND_LIBRARY_PREFIXES} ${_matlab_library_prefix})
find_library(${ARGN})
endfunction()
set(_matlab_required_variables)
cmake 3.16.2 is required
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# Order is as follow:
# - unconditionally required libraries/headers first
# - then library components
# - then program components
qt 6.5.1 builds
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# the MEX library/header are required
find_path(
Matlab_INCLUDE_DIRS
mex.h
PATHS ${MATLAB_INCLUDE_DIR_TO_LOOK}
NO_DEFAULT_PATH
)
list(APPEND _matlab_required_variables Matlab_INCLUDE_DIRS)
_Matlab_find_library(
${_matlab_lib_prefix_for_search}
Matlab_MEX_LIBRARY
mex
PATHS ${_matlab_lib_dir_for_search}
NO_DEFAULT_PATH
)
list(APPEND _matlab_required_variables Matlab_MEX_LIBRARY)
# the MEX extension is required
list(APPEND _matlab_required_variables Matlab_MEX_EXTENSION)
# the matlab root is required
list(APPEND _matlab_required_variables Matlab_ROOT_DIR)
# The MX library is required
_Matlab_find_library(
${_matlab_lib_prefix_for_search}
Matlab_MX_LIBRARY
mx
PATHS ${_matlab_lib_dir_for_search}
NO_DEFAULT_PATH
)
list(APPEND _matlab_required_variables Matlab_MX_LIBRARY)
if(Matlab_MX_LIBRARY)
set(Matlab_MX_LIBRARY_FOUND TRUE)
endif()
cmake 3.16.2 is required
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if(Matlab_HAS_CPP_API)
# The MatlabEngine library is required for R2018a+
_Matlab_find_library(
${_matlab_lib_prefix_for_search}
Matlab_ENGINE_LIBRARY
MatlabEngine
PATHS ${_matlab_lib_dir_for_search}
DOC "MatlabEngine Library"
NO_DEFAULT_PATH
)
list(APPEND _matlab_required_variables Matlab_ENGINE_LIBRARY)
if(Matlab_ENGINE_LIBRARY)
set(Matlab_ENGINE_LIBRARY_FOUND TRUE)
endif()
# The MatlabDataArray library is required for R2018a+
_Matlab_find_library(
${_matlab_lib_prefix_for_search}
Matlab_DATAARRAY_LIBRARY
MatlabDataArray
PATHS ${_matlab_lib_dir_for_search}
DOC "MatlabDataArray Library"
NO_DEFAULT_PATH
)
list(APPEND _matlab_required_variables Matlab_DATAARRAY_LIBRARY)
if(Matlab_DATAARRAY_LIBRARY)
set(Matlab_DATAARRAY_LIBRARY_FOUND TRUE)
endif()
endif()
qt 6.5.1 builds
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# Component ENG library
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if("ENG_LIBRARY" IN_LIST Matlab_FIND_COMPONENTS)
qt 6.5.1 builds
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_Matlab_find_library(
${_matlab_lib_prefix_for_search}
Matlab_ENG_LIBRARY
eng
PATHS ${_matlab_lib_dir_for_search}
NO_DEFAULT_PATH
)
if(Matlab_ENG_LIBRARY)
set(Matlab_ENG_LIBRARY_FOUND TRUE)
endif()
endif()
# Component MAT library
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if("MAT_LIBRARY" IN_LIST Matlab_FIND_COMPONENTS)
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
_Matlab_find_library(
${_matlab_lib_prefix_for_search}
Matlab_MAT_LIBRARY
mat
PATHS ${_matlab_lib_dir_for_search}
NO_DEFAULT_PATH
)
if(Matlab_MAT_LIBRARY)
set(Matlab_MAT_LIBRARY_FOUND TRUE)
endif()
endif()
# Component Simulink
cmake 3.16.2 is required
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if("SIMULINK" IN_LIST Matlab_FIND_COMPONENTS)
qt 6.5.1 builds
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find_path(
Matlab_SIMULINK_INCLUDE_DIR
simstruc.h
PATHS "${Matlab_ROOT_DIR}/simulink/include"
NO_DEFAULT_PATH
)
if(Matlab_SIMULINK_INCLUDE_DIR)
set(Matlab_SIMULINK_FOUND TRUE)
list(APPEND Matlab_INCLUDE_DIRS "${Matlab_SIMULINK_INCLUDE_DIR}")
endif()
endif()
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
# component Matlab program
if("MAIN_PROGRAM" IN_LIST Matlab_FIND_COMPONENTS)
qt 6.5.1 builds
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find_program(
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
Matlab_MAIN_PROGRAM
matlab
PATHS ${Matlab_ROOT_DIR} ${Matlab_ROOT_DIR}/bin
DOC "Matlab main program"
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
NO_DEFAULT_PATH
)
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(Matlab_MAIN_PROGRAM)
set(Matlab_MAIN_PROGRAM_FOUND TRUE)
qt 6.5.1 builds
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endif()
endif()
cmake 3.16.2 is required
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# component Mex Compiler
if("MEX_COMPILER" IN_LIST Matlab_FIND_COMPONENTS)
find_program(
Matlab_MEX_COMPILER
"mex"
PATHS ${Matlab_BINARIES_DIR}
DOC "Matlab MEX compiler"
qt 6.5.1 builds
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NO_DEFAULT_PATH
)
cmake 3.16.2 is required
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if(Matlab_MEX_COMPILER)
set(Matlab_MEX_COMPILER_FOUND TRUE)
qt 6.5.1 builds
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endif()
cmake 3.16.2 is required
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endif()
qt 6.5.1 builds
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cmake 3.16.2 is required
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# component MCC Compiler
if("MCC_COMPILER" IN_LIST Matlab_FIND_COMPONENTS)
find_program(
Matlab_MCC_COMPILER
"mcc"
PATHS ${Matlab_BINARIES_DIR}
DOC "Matlab MCC compiler"
qt 6.5.1 builds
2023-11-01 06:11:15 +08:00
NO_DEFAULT_PATH
)
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
if(Matlab_MCC_COMPILER)
set(Matlab_MCC_COMPILER_FOUND TRUE)
qt 6.5.1 builds
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endif()
endif()
set(Matlab_LIBRARIES
${Matlab_MEX_LIBRARY} ${Matlab_MX_LIBRARY}
${Matlab_ENG_LIBRARY} ${Matlab_MAT_LIBRARY}
${Matlab_DATAARRAY_LIBRARY} ${Matlab_ENGINE_LIBRARY})
find_package_handle_standard_args(
Matlab
FOUND_VAR Matlab_FOUND
REQUIRED_VARS ${_matlab_required_variables}
VERSION_VAR Matlab_VERSION_STRING
HANDLE_COMPONENTS)
unset(_matlab_required_variables)
unset(_matlab_bin_prefix)
unset(_matlab_bin_suffix_32bits)
unset(_matlab_bin_suffix_64bits)
unset(_matlab_current_suffix)
unset(_matlab_lib_dir_for_search)
unset(_matlab_lib_prefix_for_search)
if(Matlab_INCLUDE_DIRS AND Matlab_LIBRARIES)
mark_as_advanced(
Matlab_MEX_LIBRARY
Matlab_MX_LIBRARY
Matlab_ENG_LIBRARY
Matlab_ENGINE_LIBRARY
Matlab_DATAARRAY_LIBRARY
Matlab_MAT_LIBRARY
Matlab_INCLUDE_DIRS
Matlab_FOUND
Matlab_MAIN_PROGRAM
Matlab_MEXEXTENSIONS_PROG
Matlab_MEX_EXTENSION
)
endif()
cmake 3.16.2 is required
2023-11-01 06:20:22 +08:00
cmake_policy(POP)
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