diff -up wine-mozilla-1.7/wine/mozconfig-common.orig wine-mozilla-1.7/wine/mozconfig-common
--- wine-mozilla-1.7/wine/mozconfig-common.orig	2012-08-01 19:57:27.894614882 +0200
+++ wine-mozilla-1.7/wine/mozconfig-common	2012-08-01 20:00:34.295199245 +0200
@@ -9,10 +9,9 @@ ac_add_options --disable-updater
 ac_add_options --disable-necko-wifi
 ac_add_options --disable-crashreporter
 ac_add_options --disable-angle
+ac_add_options --enable-win32-target=WINNT
 
 export LDFLAGS="$LDFLAGS -static-libgcc -static-libstdc++"
-export CFLAGS="$CFLAGS -DWINE_GECKO_SRC"
-export CXXFLAGS="$CXXFLAGS -DWINE_GECKO_SRC"
 export HOST_LDFLAGS=" "
 export HOST_CFLAGS=" "
 export HOST_CXXFLAGS=" "