Merge topic 'improve-findgnuplot'

8a83853 FindGnuplot: add version selection
This commit is contained in:
David Cole 2012-02-01 14:50:34 -05:00 committed by CMake Topic Stage
commit e3abd669a2
1 changed files with 15 additions and 1 deletions

View File

@ -4,6 +4,7 @@
#
# GNUPLOT_FOUND - system has Gnuplot
# GNUPLOT_EXECUTABLE - the Gnuplot executable
# GNUPLOT_VERSION_STRING - the version of Gnuplot found (since CMake 2.8.8)
#=============================================================================
# Copyright 2002-2009 Kitware, Inc.
@ -29,13 +30,26 @@ FIND_PROGRAM(GNUPLOT_EXECUTABLE
${CYGWIN_INSTALL_PATH}/bin
)
IF (GNUPLOT_EXECUTABLE)
EXECUTE_PROCESS(COMMAND "${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 DEFAULT_MSG GNUPLOT_EXECUTABLE)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Gnuplot
REQUIRED_VARS GNUPLOT_EXECUTABLE
VERSION_VAR GNUPLOT_VERSION_STRING)
MARK_AS_ADVANCED( GNUPLOT_EXECUTABLE )