-confopt="$confopt --with-system-jpeg --with-system-png --with-extensions"
-#confopt="$confopt --enable-xft --enable-crypto --enable-xinerama"
-confopt="$confopt --enable-crypto --enable-xinerama"
-confopt="$confopt --disable-tests --disable-debug --disable-dtd-debug"
-confopt="$confopt --disable-pedantic --disable-logging --disable-accessibility"
-confopt="$confopt --enable-strip --enable-strip-libs --enable-extensions=all"
-confopt="$confopt --enable-optimize='$optimize' --enable-cpp-rtti"
+confopt="$confopt --with-system-jpeg --with-system-png"
+confopt="$confopt --with-default-mozilla-five-home=$MOZILLA_FIVE_HOME"
+confopt="$confopt --with-user-appdir=.firefox"
+confopt="$confopt --enable-xft --enable-crypto --enable-xinerama"
+confopt="$confopt --enable-strip --enable-strip-libs"
+confopt="$confopt --enable-extensions=$extensions" # 'all' or '$extensions'
+confopt="$confopt --enable-application=browser"
+confopt="$confopt --enable-cpp-rtti"
+#confopt="$confopt --enable-optimize='$optimize' --enable-cpp-rtti"