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netbook & emenlow use "-march=core2"(in tune-atom.inc) instead of "=i586"(for qemux86), plus the "-fomit-frame-pointer" in default FULL_OPTIMIZATION, this cause strange seg fault when starting matchbox-panel. seg fault happened @ tmp_reset_bg (gtk+-2.20.1/gdk/x11/gdkwindow-x11.c), which is inline function extended inside _gdk_x11_window_tmp_unset_bg. When expanding GDK_DRAWABLE_XID(obj->bg_pixmap) with gcc 4.5.0 optimization, a function call is missing. Saving a local var to stack also disappeared, but still tried to restore it from stack, which cause seg fault after getting a worng value. This fix avoid "-fomit-frame-pointer" in gtk+ on netbook & emenlow. [BUGID #224] fixed by this. Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>