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authorDavid Cole <david.cole@kitware.com>2012-02-01 19:50:34 (GMT)
committerCMake Topic Stage <kwrobot@kitware.com>2012-02-01 19:50:34 (GMT)
commite3abd669a284c790b6992d217f49c5a8f091117d (patch)
tree0387a75ebe10d709ed0063bcd926181ad5ac060e
parent28088aa0454b5a0fdd1bf25e1cbf4e3f9dbc42ae (diff)
parent8a83853f5fe785f29f12fdffec98f01cb0598678 (diff)
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Merge topic 'improve-findgnuplot'
8a83853 FindGnuplot: add version selection
-rw-r--r--Modules/FindGnuplot.cmake16
1 files changed, 15 insertions, 1 deletions
diff --git a/Modules/FindGnuplot.cmake b/Modules/FindGnuplot.cmake
index 7c59f03..3e36e4b 100644
--- a/Modules/FindGnuplot.cmake
+++ b/Modules/FindGnuplot.cmake
@@ -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 )