gcc -O2 -o gnome-smproxy save.o smproxy.o -Wl,--export-dynamic 
/usr/lib/libXt.so /usr/lib/libXmu.so /usr/lib/libSM.so /usr/lib/libICE.so
-L/usr/X11R6/lib /usr/lib/libX11.so -pthread /usr/lib/libgnome-2.so
/usr/lib/libesd.so -L/usr/lib /usr/lib/libasound.so /usr/lib/libaudiofile.so
/usr/lib/libgnomevfs-2.so /usr/lib/libgconf-2.so /usr/lib/libbonobo-2.so
/usr/lib/libxml2.so -lz -lssl -lcrypto -lrt /usr/lib/libbonobo-activation.so
/usr/lib/libORBitCosNaming-2.so /usr/lib/libORBit-2.so /usr/lib/libpopt.so
/usr/lib/libgobject-2.0.so /usr/lib/libgthread-2.0.so -lpthread -lm
/usr/lib/libgmodule-2.0.so -ldl /usr/lib/libglib-2.0.so
/usr/lib/libXmu.so: undefined reference to `XShapeCombineMask'
collect2: ld returned 1 exit status

ldd /usr/lib/libXmu.so.6.2.1
        libXt.so.6 => /usr/lib/libXt.so.6 (0x40024000)
        libSM.so.6 => /usr/lib/libSM.so.6 (0x40072000)
        libICE.so.6 => /usr/lib/libICE.so.6 (0x4007a000)
        libX11.so.6 => /usr/lib/libX11.so.6 (0x40090000)
        libdl.so.2 => /lib/libdl.so.2 (0x40176000)
        libc.so.6 => /lib/libc.so.6 (0x40179000)
        libXau.so.0 => /usr/lib/libXau.so.0 (0x402af000)
        /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)

ldd /usr/X11/lib/libXmu.so.6.2
        libXt.so.6 => /usr/lib/libXt.so.6 (0x40025000)
        libSM.so.6 => /usr/lib/libSM.so.6 (0x40073000)
        libICE.so.6 => /usr/lib/libICE.so.6 (0x4007b000)
        libXext.so.6 => /usr/lib/libXext.so.6 (0x40091000)
        libX11.so.6 => /usr/lib/libX11.so.6 (0x4009f000)
        libc.so.6 => /lib/libc.so.6 (0x40185000)
        libdl.so.2 => /lib/libdl.so.2 (0x402bb000)
        libXau.so.0 => /usr/lib/libXau.so.0 (0x402bf000)
        /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)