move FindKSane.cmake (for ksaneplugin) to kdegraphics

svn path=/trunk/KDE/kdegraphics/cmake/modules/; revision=803911

cmake/modules/FindKSane.cmake

@@ -0,0 +1,32 @@
+# cmake macro to test if libksane is installed
+#
+#  KSANE_FOUND - system has KSANE libs
+#  KSANE_INCLUDE_DIR - the KSANE include directory
+#  KSANE_LIBRARY - The library needed to use KSANE
+
+if (KSANE_INCLUDE_DIR)
+  # Already in cache, be silent
+  set(KSANE_FIND_QUIETLY TRUE)
+endif (KSANE_INCLUDE_DIR)
+
+FIND_PATH(KSANE_INCLUDE_DIR libksane/ksane.h ${KDE4_INCLUDES})
+
+FIND_LIBRARY(KSANE_LIBRARY ksane PATH ${KDE4_LIB_DIR})
+
+if (KSANE_INCLUDE_DIR AND KSANE_LIBRARY)
+   set(KSANE_FOUND TRUE)
+else (KSANE_INCLUDE_DIR AND KSANE_LIBRARY)
+   set(KSANE_FOUND FALSE)
+endif (KSANE_INCLUDE_DIR AND KSANE_LIBRARY)
+
+if (KSANE_FOUND)
+   if (NOT KSane_FIND_QUIETLY)
+      message(STATUS "Found libksane: ${KSANE_LIBRARY}")
+   endif (NOT KSane_FIND_QUIETLY)
+else (KSANE_FOUND)
+   if (KSane_FIND_REQUIRED)
+      message(FATAL_ERROR "Could not find libksane")
+   endif (KSane_FIND_REQUIRED)
+endif (KSANE_FOUND)
+
+MARK_AS_ADVANCED(KSANE_INCLUDE_DIR KSANE_LIBRARY)