Fixed unresolved xcb-dri3, remove LD_PRELOAD workaround

cmake/FindSinkDependencies.cmake

@@ -2,7 +2,7 @@ function(FindWayland libs)
   pkg_check_modules(WAYLAND_CLIENT REQUIRED wayland-client)
   pkg_check_modules(WAYLAND_CURSOR wayland-cursor)
   if(WAYLAND_CLIENT_FOUND)
-    set(${libs} ${${libs}} ${WAYLAND_CLIENT_LIBRARIES} PARENT_SCOPE)
+    list(APPEND ${libs} ${WAYLAND_CLIENT_LIBRARIES})
     include_directories (${WAYLAND_CLIENT_INCLUDE_DIRS})
     pkg_check_modules (WESTON_4_0 weston>=3.0.0)
     if (WESTON_4_0_FOUND)
@@ -11,7 +11,7 @@ function(FindWayland libs)
   endif()
 
   if(WAYLAND_CURSOR_FOUND)
-    set(${libs} ${${libs}} ${WAYLAND_CURSOR_LIBRARIES} PARENT_SCOPE)
+    list(APPEND ${libs} ${WAYLAND_CURSOR_LIBRARIES})
     include_directories (${WAYLAND_CURSOR_INCLUDE_DIRS})
   endif()
 endfunction(FindWayland)
@@ -24,19 +24,19 @@ function(FindX11 libs)
   pkg_check_modules(XRANDR xrandr)
   pkg_check_modules(XRENDER xrender)
   if(XCBDRI3_FOUND)
-	  set(${libs} ${${libs}} ${XCBDRI3_LIBRARIES} PARENT_SCOPE)
-	  include_directories (${XCBDRI3_INCLUDE_DIRS})
-      add_definitions(-DHAVE_XCBDRI3)
+    list(APPEND ${libs} ${XCBDRI3_LIBRARIES})
+    include_directories (${XCBDRI3_INCLUDE_DIRS})
+    add_definitions(-DHAVE_XCBDRI3)
   endif()
 
   if(XCBPRESENT_FOUND)
-	  set(${libs} ${${libs}} ${XCBPRESENT_LIBRARIES} PARENT_SCOPE)
-	  include_directories (${XCBPRESENT_INCLUDE_DIRS})
-      add_definitions(-DHAVE_XCBPRESENT)
+    list(APPEND ${libs} ${XCBPRESENT_LIBRARIES})
+    include_directories (${XCBPRESENT_INCLUDE_DIRS})
+    add_definitions(-DHAVE_XCBPRESENT)
   endif()
 
   if(X11_FOUND)
-    set(${libs} ${${libs}} ${X11_LIBRARIES} PARENT_SCOPE)
+    list(APPEND ${libs} ${X11_LIBRARIES})
     include_directories (${X11_INCLUDE_DIRS})
   endif()