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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:
+FindOctave
+----------
+
+Finds GNU Octave interpreter, libraries and compilers.
+
+Imported targets
+^^^^^^^^^^^^^^^^
+
+This module defines the following :prop_tgt:`IMPORTED` targets:
+
+``Octave::Interpreter``
+ Octave interpreter (the main program)
+``Octave::Octave``
+ include directories and libraries
+
+If no ``COMPONENTS`` are specified, ``Interpreter`` is assumed.
+
+Result Variables
+^^^^^^^^^^^^^^^^
+
+``Octave_FOUND``
+ Octave interpreter and/or libraries were found
+``Octave_<component>_FOUND``
+ Octave <component> specified was found
+
+``Octave_EXECUTABLE``
+ Octave interpreter
+``Octave_INCLUDE_DIRS``
+ include path for mex.h
+``Octave_LIBRARIES``
+ octinterp, octave libraries
+
+
+Cache variables
+^^^^^^^^^^^^^^^
+
+The following cache variables may also be set:
+
+``Octave_INTERP_LIBRARY``
+ path to the library octinterp
+``Octave_OCTAVE_LIBRARY``
+ path to the liboctave library
+
+#]=======================================================================]
+
+cmake_policy(VERSION 3.3)
+
+unset(Octave_REQUIRED_VARS)
+unset(Octave_Development_FOUND)
+unset(Octave_Interpreter_FOUND)
+set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME Interpreter)
+
+if(Development IN_LIST Octave_FIND_COMPONENTS)
+ find_program(Octave_CONFIG_EXECUTABLE
+ NAMES octave-config)
+
+ if(Octave_CONFIG_EXECUTABLE)
+
+ execute_process(COMMAND ${Octave_CONFIG_EXECUTABLE} -p BINDIR
+ OUTPUT_VARIABLE Octave_BINARY_DIR
+ ERROR_QUIET
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+ execute_process(COMMAND ${Octave_CONFIG_EXECUTABLE} -p OCTINCLUDEDIR
+ OUTPUT_VARIABLE Octave_INCLUDE_DIR
+ ERROR_QUIET
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+ list(APPEND Octave_REQUIRED_VARS ${Octave_INCLUDE_DIR})
+
+ execute_process(COMMAND ${Octave_CONFIG_EXECUTABLE} -p OCTLIBDIR
+ OUTPUT_VARIABLE Octave_LIB1
+ ERROR_QUIET
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+ execute_process(COMMAND ${Octave_CONFIG_EXECUTABLE} -p LIBDIR
+ OUTPUT_VARIABLE Octave_LIB2
+ ERROR_QUIET
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+ find_library(Octave_INTERP_LIBRARY
+ NAMES octinterp
+ PATHS ${Octave_LIB1} ${Octave_LIB2}
+ NO_DEFAULT_PATH
+ )
+ find_library(Octave_OCTAVE_LIBRARY
+ NAMES octave
+ PATHS ${Octave_LIB1} ${Octave_LIB2}
+ NO_DEFAULT_PATH
+ )
+ list(APPEND Octave_REQUIRED_VARS ${Octave_OCTAVE_LIBRARY} ${Octave_INTERP_LIBRARY})
+
+ if(Octave_REQUIRED_VARS)
+ set(Octave_Development_FOUND true)
+ endif()
+ endif(Octave_CONFIG_EXECUTABLE)
+endif()
+
+if(Interpreter IN_LIST Octave_FIND_COMPONENTS)
+
+ find_program(Octave_EXECUTABLE
+ NAMES octave)
+
+ list(APPEND Octave_REQUIRED_VARS ${Octave_EXECUTABLE})
+
+endif()
+
+if(Octave_EXECUTABLE)
+ execute_process(COMMAND ${Octave_EXECUTABLE} -v
+ OUTPUT_VARIABLE Octave_VERSION
+ ERROR_QUIET
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+
+ string(REGEX REPLACE "GNU Octave, version ([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" Octave_VERSION_MAJOR ${Octave_VERSION})
+ string(REGEX REPLACE "GNU Octave, version [0-9]+\\.([0-9]+)\\.[0-9]+.*" "\\1" Octave_VERSION_MINOR ${Octave_VERSION})
+ string(REGEX REPLACE "GNU Octave, version [0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" Octave_VERSION_PATCH ${Octave_VERSION})
+
+ set(Octave_VERSION ${Octave_VERSION_MAJOR}.${Octave_VERSION_MINOR}.${Octave_VERSION_PATCH})
+
+ set(Octave_Interpreter_FOUND true)
+
+endif(Octave_EXECUTABLE)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Octave
+ REQUIRED_VARS Octave_REQUIRED_VARS
+ VERSION_VAR Octave_VERSION
+ HANDLE_COMPONENTS)
+
+
+if(Octave_Development_FOUND)
+ set(Octave_LIBRARIES ${Octave_INTERP_LIBRARY} ${Octave_OCTAVE_LIBRARY})
+ set(Octave_INCLUDE_DIRS ${Octave_INCLUDE_DIR})
+
+ if(NOT TARGET Octave::Octave)
+ add_library(Octave::Octave UNKNOWN IMPORTED)
+ set_target_properties(Octave::Octave PROPERTIES
+ IMPORTED_LOCATION ${Octave_OCTAVE_LIBRARY}
+ INTERFACE_INCLUDE_DIRECTORIES ${Octave_INCLUDE_DIR}
+ )
+ endif()
+
+endif()
+
+
+if(Octave_Interpreter_FOUND)
+ if(NOT TARGET Octave::Interpreter)
+ add_executable(Octave::Interpreter IMPORTED)
+ set_target_properties(Octave::Interpreter PROPERTIES
+ IMPORTED_LOCATION ${Octave_EXECUTABLE}
+ VERSION ${Octave_VERSION})
+ endif()
+endif()
+
+mark_as_advanced(
+ Octave_CONFIG_EXECUTABLE
+ Octave_INTERP_LIBRARY
+ Octave_OCTAVE_LIBRARY
+ Octave_INCLUDE_DIR
+ Octave_VERSION_MAJOR
+ Octave_VERSION_MINOR
+ Octave_VERSION_PATCH
+)