CMake/Modules/FindGnuplot.cmake
Kitware Robot 1772622772 LICENSE: Replace references to Copyright.txt with LICENSE.rst
```
git grep -lz 'Copyright.txt or https://cmake.org/licensing ' |
  while IFS= read -r -d $'\0' f ; do
    sed -i '/Copyright.txt or https:\/\/cmake.org\/licensing / {
              s/Copyright.txt/LICENSE.rst/
            }' "$f" ; done
```
2025-03-03 10:43:35 -05:00

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1.6 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file LICENSE.rst or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindGnuplot
-----------
This module looks for gnuplot.
Result Variables
^^^^^^^^^^^^^^^^
``GNUPLOT_FOUND``
System has Gnuplot.
``GNUPLOT_EXECUTABLE``
The Gnuplot executable.
``GNUPLOT_VERSION_STRING``
The version of Gnuplot found.
.. note:: Version string detection will not work for old versions like 3.7.1.
#]=======================================================================]
include(${CMAKE_CURRENT_LIST_DIR}/FindCygwin.cmake)
include(${CMAKE_CURRENT_LIST_DIR}/FindMsys.cmake)
find_program(GNUPLOT_EXECUTABLE
NAMES
gnuplot
pgnuplot
wgnupl32
PATHS
${CYGWIN_INSTALL_PATH}/bin
${MSYS_INSTALL_PATH}/usr/bin
)
if (GNUPLOT_EXECUTABLE)
execute_process(COMMAND "${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(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Gnuplot
REQUIRED_VARS GNUPLOT_EXECUTABLE
VERSION_VAR GNUPLOT_VERSION_STRING)
mark_as_advanced( GNUPLOT_EXECUTABLE )