--- a/src/3rdparty/webkit/Source/WebKit/qt/QtWebKit.pro
+++ b/src/3rdparty/webkit/Source/WebKit/qt/QtWebKit.pro
@@ -247,11 +247,16 @@ contains(DEFINES, ENABLE_VIDEO=1) {
         # We can know the Mac OS version by using the Darwin major version
         DARWIN_VERSION = $$split(QMAKE_HOST.version, ".")
         DARWIN_MAJOR_VERSION = $$first(DARWIN_VERSION)
-        equals(DARWIN_MAJOR_VERSION, "9") | contains(QMAKE_MAC_SDK, "/Developer/SDKs/MacOSX10.5.sdk") {
+
+        USE_10_5_SDK = $$find(QMAKE_MAC_SDK, "OSX10.5.sdk")
+        USE_10_6_SDK = $$find(QMAKE_MAC_SDK, "OSX10.6.sdk")
+        USE_10_7_SDK = $$find(QMAKE_MAC_SDK, "OSX10.7.sdk")
+
+        equals(DARWIN_MAJOR_VERSION, "9") | !isEmpty(USE_10_5_SDK){
             LIBS += $$SOURCE_DIR/../WebKitLibraries/libWebKitSystemInterfaceLeopard.a
-        } else: equals(DARWIN_MAJOR_VERSION, "10") | contains(QMAKE_MAC_SDK, "/Developer/SDKs/MacOSX10.6.sdk") {
+        } else: equals(DARWIN_MAJOR_VERSION, "10") | !isEmpty(USE_10_6_SDK){
             LIBS += $$SOURCE_DIR/../WebKitLibraries/libWebKitSystemInterfaceSnowLeopard.a
-        } else: equals(DARWIN_MAJOR_VERSION, "11") | contains(QMAKE_MAC_SDK, "/Developer/SDKs/MacOSX10.7.sdk") {
+        } else: equals(DARWIN_MAJOR_VERSION, "11") | !isEmpty(USE_10_7_SDK){
             LIBS += $$SOURCE_DIR/../WebKitLibraries/libWebKitSystemInterfaceLion.a
         }
     }

--- a/src/plugins/bearer/corewlan/corewlan.pro
+++ b/src/plugins/bearer/corewlan/corewlan.pro
@@ -5,7 +5,10 @@ QT = core network
 LIBS += -framework Foundation -framework SystemConfiguration

 contains(QT_CONFIG, corewlan) {
-    isEmpty(QMAKE_MAC_SDK)|contains(QMAKE_MAC_SDK, "/Developer/SDKs/MacOSX10\.[67]\.sdk") {
+    USE_10_6_SDK = $$find(QMAKE_MAC_SDK, "OSX10.6.sdk")
+    USE_10_7_SDK = $$find(QMAKE_MAC_SDK, "OSX10.7.sdk")
+
+    isEmpty(QMAKE_MAC_SDK)| !empty(USE_10_6_SDK) | !empty(USE_10_7_SDK){
          LIBS += -framework CoreWLAN -framework Security
     }
 }