gentoo-overlay/media-video/qx11grab/files/0.4.1-optional-pulseaudio.patch

diff -Naur qx11grab-0.4.1.orig/CMakeLists.txt qx11grab-0.4.1/CMakeLists.txt
--- qx11grab-0.4.1.orig/CMakeLists.txt	2012-03-06 14:41:47.888017941 +0100
+++ qx11grab-0.4.1/CMakeLists.txt	2012-03-06 14:46:32.774456369 +0100
@@ -178,21 +178,26 @@
 ## PulseAudio 
 ##############################################################
 
-SET (PULSE_SUFFIX "" CACHE STRING
-  "pulse pkg-config or library file suffix (STRING)"
-)
+OPTION (ENABLE_PULSE "Enable PulseAudio Support (ON/OFF)" OFF)
+IF (ENABLE_PULSE)
+  SET (PULSE_SUFFIX "" CACHE STRING
+    "pulse pkg-config or library file suffix (STRING)"
+  )
 
-SET (PULSE_VERSION "0.9" CACHE STRING
-  "Required libpulse${PULSE_SUFFIX} Version" FORCE
-)
+  SET (PULSE_VERSION "0.9" CACHE STRING
+    "Required libpulse${PULSE_SUFFIX} Version" FORCE
+  )
 
-PKG_CHECK_MODULES (PULSE 
-  libpulse${PULSE_SUFFIX}>=${PULSE_VERSION}
-)
+  PKG_CHECK_MODULES (PULSE 
+    libpulse${PULSE_SUFFIX}>=${PULSE_VERSION}
+  )
 
-IF (PULSE_FOUND)
-  ADD_DEFINITIONS (-DHAVE_PULSE)
-ENDIF (PULSE_FOUND)
+  IF (PULSE_FOUND)
+    ADD_DEFINITIONS (-DHAVE_PULSE)
+  ELSE (PULSE_FOUND)
+    MESSAGE (FATAL_ERROR "PulseAudio not found")
+  ENDIF (PULSE_FOUND)
+ENDIF (ENABLE_PULSE)
 
 ##############################################################
 ## Xorg