Add backward compatibility for Mac CMake 2.4

git-svn-id: http://svn.osgeo.org/qgis/trunk@8560 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: telwertowski

src/helpviewer/CMakeLists.txt

@@ -59,8 +59,8 @@ ENDIF (${QTVERSION} STRLESS "4.3.0")
 ########################################################
 # Install
 
-IF (APPLE)
-  INSTALL(TARGETS qgis_help BUNDLE DESTINATION ${QGIS_BIN_DIR})
-ELSE (APPLE)
-  INSTALL(TARGETS qgis_help RUNTIME DESTINATION ${QGIS_BIN_DIR})
-ENDIF (APPLE)
+IF (APPLE AND NOT ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} STRLESS "2.6")
+  INSTALL (TARGETS qgis_help BUNDLE DESTINATION ${QGIS_BIN_DIR})
+ELSE (APPLE AND NOT ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} STRLESS "2.6")
+  INSTALL (TARGETS qgis_help RUNTIME DESTINATION ${QGIS_BIN_DIR})
+ENDIF (APPLE AND NOT ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} STRLESS "2.6")