diff -Nur science/kst2.orig/files/patch-cmake-modules-KstPchSupport.cmake science/kst2/files/patch-cmake-modules-KstPchSupport.cmake
--- science/kst2.orig/files/patch-cmake-modules-KstPchSupport.cmake	1970-01-01 01:00:00.000000000 +0100
+++ science/kst2/files/patch-cmake-modules-KstPchSupport.cmake	2011-09-09 12:28:24.000000000 +0200
@@ -0,0 +1,14 @@
+--- cmake/modules/KstPchSupport.cmake.orig	2011-09-09 12:26:11.000000000 +0200
++++ cmake/modules/KstPchSupport.cmake	2011-09-09 12:27:45.000000000 +0200
+@@ -56,9 +56,10 @@
+ 		separate_arguments(_args)
+ 		
+ 		# now build the pch with the compiler arguments 
++		string(REGEX REPLACE "[	 ]+" ";" _CMAKE_CXX_COMPILER_ARG1 "${CMAKE_CXX_COMPILER_ARG1}")
+ 		add_custom_command(OUTPUT ${_gch_filename}
+ 			COMMAND ${CMAKE_COMMAND} -E remove ${_gch_filename}
+-			COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} ${_args}
++			COMMAND ${CMAKE_CXX_COMPILER} ${_CMAKE_CXX_COMPILER_ARG1} ${_args}
+ 			DEPENDS ${_header})
+ 			
+ 		# all other files should use the pch