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56 lines
1.6 KiB
56 lines
1.6 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindGnuplot
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-----------
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this module looks for gnuplot
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Once done this will define
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::
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GNUPLOT_FOUND - system has Gnuplot
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GNUPLOT_EXECUTABLE - the Gnuplot executable
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GNUPLOT_VERSION_STRING - the version of Gnuplot found (since CMake 2.8.8)
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GNUPLOT_VERSION_STRING will not work for old versions like 3.7.1.
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#]=======================================================================]
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include(${CMAKE_CURRENT_LIST_DIR}/FindCygwin.cmake)
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find_program(GNUPLOT_EXECUTABLE
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NAMES
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gnuplot
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pgnuplot
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wgnupl32
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PATHS
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${CYGWIN_INSTALL_PATH}/bin
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)
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if (GNUPLOT_EXECUTABLE)
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execute_process(COMMAND "${GNUPLOT_EXECUTABLE}" --version
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OUTPUT_VARIABLE GNUPLOT_OUTPUT_VARIABLE
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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string(REGEX REPLACE "^gnuplot ([0-9\\.]+)( patchlevel )?" "\\1." GNUPLOT_VERSION_STRING "${GNUPLOT_OUTPUT_VARIABLE}")
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string(REGEX REPLACE "\\.$" "" GNUPLOT_VERSION_STRING "${GNUPLOT_VERSION_STRING}")
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unset(GNUPLOT_OUTPUT_VARIABLE)
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endif()
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# for compatibility
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set(GNUPLOT ${GNUPLOT_EXECUTABLE})
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Gnuplot
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REQUIRED_VARS GNUPLOT_EXECUTABLE
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VERSION_VAR GNUPLOT_VERSION_STRING)
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mark_as_advanced( GNUPLOT_EXECUTABLE )
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