*** qt5-build.eclass.orig	2019-11-22 12:32:57.190494836 +0100
--- qt5-build.eclass	2019-11-22 12:32:06.913885380 +0100
***************
*** 110,116 ****
  	release) : ${QT5_BUILD_DIR:=${S}} ;; # workaround for bug 497312
  esac
  
! IUSE="debug test"
  
  [[ ${QT5_BUILD_TYPE} == release ]] && RESTRICT+=" test" # bug 457182
  
--- 110,116 ----
  	release) : ${QT5_BUILD_DIR:=${S}} ;; # workaround for bug 497312
  esac
  
! IUSE="cpu_flags_x86_sse2 debug test"
  
  [[ ${QT5_BUILD_TYPE} == release ]] && RESTRICT+=" test" # bug 457182
  
***************
*** 554,559 ****
--- 554,562 ----
  		$(is-flagq -mno-dsp   && echo -no-mips_dsp)
  		$(is-flagq -mno-dspr2 && echo -no-mips_dspr2)
  
+ 		# Check for availability of SSE2 and switch off if necessary
+ 		$(use cpu_flags_x86_sse2 || echo -no-sse2)
+ 		
  		# use pkg-config to detect include and library paths
  		-pkg-config