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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:
- # FindGnuplot
- # -----------
- #
- # this module looks for gnuplot
- #
- #
- #
- # Once done this will define
- #
- # ::
- #
- # GNUPLOT_FOUND - system has Gnuplot
- # GNUPLOT_EXECUTABLE - the Gnuplot executable
- # GNUPLOT_VERSION_STRING - the version of Gnuplot found (since CMake 2.8.8)
- #
- #
- #
- # GNUPLOT_VERSION_STRING will not work for old versions like 3.7.1.
- include(${CMAKE_CURRENT_LIST_DIR}/FindCygwin.cmake)
- find_program(GNUPLOT_EXECUTABLE
- NAMES
- gnuplot
- pgnuplot
- wgnupl32
- PATHS
- ${CYGWIN_INSTALL_PATH}/bin
- )
- if (GNUPLOT_EXECUTABLE)
- execute_process(COMMAND "${GNUPLOT_EXECUTABLE}" --version
- OUTPUT_VARIABLE GNUPLOT_OUTPUT_VARIABLE
- ERROR_QUIET
- OUTPUT_STRIP_TRAILING_WHITESPACE)
- string(REGEX REPLACE "^gnuplot ([0-9\\.]+)( patchlevel )?" "\\1." GNUPLOT_VERSION_STRING "${GNUPLOT_OUTPUT_VARIABLE}")
- string(REGEX REPLACE "\\.$" "" GNUPLOT_VERSION_STRING "${GNUPLOT_VERSION_STRING}")
- unset(GNUPLOT_OUTPUT_VARIABLE)
- endif()
- # for compatibility
- set(GNUPLOT ${GNUPLOT_EXECUTABLE})
- include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
- FIND_PACKAGE_HANDLE_STANDARD_ARGS(Gnuplot
- REQUIRED_VARS GNUPLOT_EXECUTABLE
- VERSION_VAR GNUPLOT_VERSION_STRING)
- mark_as_advanced( GNUPLOT_EXECUTABLE )
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