CMake/Modules/FindGnuplot.cmake
2012-02-29 18:46:47 +01:00

58 lines
1.9 KiB
CMake

# - 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.
#=============================================================================
# Copyright 2002-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE(FindCygwin)
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 ${GNUPLOT_EXECUTABLE})
# handle the QUIETLY and REQUIRED arguments and set GNUPLOT_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(${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 )