x11r7.2 xdm-1.1.3 build failed

[n g]

 anyone knows why?
 am i having a broken gcc or missing libdl or something else?


make  all-recursive
make[1]: Entering directory `/home/build/xorg/xdm-X11R7.2-1.1.3'
Making all in config
make[2]: Entering directory `/home/build/xorg/xdm-X11R7.2-1.1.3/config'
make  all-am
make[3]: Entering directory `/home/build/xorg/xdm-X11R7.2-1.1.3/config'
make[3]: Nothing to be done for `all-am'.
make[3]: Leaving directory `/home/build/xorg/xdm-X11R7.2-1.1.3/config'
make[2]: Leaving directory `/home/build/xorg/xdm-X11R7.2-1.1.3/config'
Making all in greeter
make[2]: Entering directory `/home/build/xorg/xdm-X11R7.2-1.1.3/greeter'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/home/build/xorg/xdm-X11R7.2-1.1.3/greeter'
make[2]: Entering directory `/home/build/xorg/xdm-X11R7.2-1.1.3'
/bin/sh ./libtool --tag=CC --mode=link gcc  -g -O2   -o xdm
xdm-auth.o xdm-daemon.o xdm-server.o xdm-dpylist.o xdm-dm.o
xdm-error.o xdm-file.o xdm-netaddr.o xdm-reset.o xdm-resource.o
xdm-protodpy.o xdm-policy.o xdm-session.o xdm-socket.o xdm-streams.o
xdm-util.o xdm-xdmcp.o xdm-mitauth.o xdm-genauth.o xdm-access.o
xdm-choose.o xdm-xdmauth.o xdm-prngc.o xdm-rpcauth.o
-L/opt/x11r7/lib -lXmu -lXt -lSM -lICE -lX11 -lXau    -L/opt/x11r7/lib
-lXinerama   -L/opt/x11r7/lib -lXpm -lX11   -L/opt/x11r7/lib -lXdmcp
-rdynamic -lcrypt
gcc -g -O2 -o xdm xdm-auth.o xdm-daemon.o xdm-server.o xdm-dpylist.o
xdm-dm.o xdm-error.o xdm-file.o xdm-netaddr.o xdm-reset.o
xdm-resource.o xdm-protodpy.o xdm-policy.o xdm-session.o xdm-socket.o
xdm-streams.o xdm-util.o xdm-xdmcp.o xdm-mitauth.o xdm-genauth.o
xdm-access.o xdm-choose.o xdm-xdmauth.o xdm-prngc.o xdm-rpcauth.o
-rdynamic  -L/opt/x11r7/lib /opt/x11r7/lib/libXmu.so
/opt/x11r7/lib/libXt.so /opt/x11r7/lib/libSM.so
/opt/x11r7/lib/libICE.so /opt/x11r7/lib/libXinerama.so
/opt/x11r7/lib/libXext.so /opt/x11r7/lib/libXpm.so
/opt/x11r7/lib/libX11.so /opt/x11r7/lib/libxcb-xlib.so
/opt/x11r7/lib/libxcb.so /opt/x11r7/lib/libXau.so -ldl
/opt/x11r7/lib/libXdmcp.so -lcrypt   -Wl,--rpath -Wl,/opt/x11r7/lib
-Wl,--rpath -Wl,/opt/x11r7/lib
xdm-session.o: In function `ManageSession':
/home/build/xorg/xdm-X11R7.2-1.1.3/session.c:309: warning: Using
'dlopen' in statically linked applications requires at runtime the
shared libraries from the glibc version used for linking
/usr/lib/gcc/i686-pc-linux-gnu/4.1.1/../../../libdl.a(dlopen.o): In
function `dlopen':
/build/glibc-2.4/dlfcn/dlopen.c:31: undefined reference to `__dlopen'
/usr/lib/gcc/i686-pc-linux-gnu/4.1.1/../../../libdl.a(dlclose.o): In
function `dlclose':
/build/glibc-2.4/dlfcn/dlclose.c:29: undefined reference to `__dlclose'
/usr/lib/gcc/i686-pc-linux-gnu/4.1.1/../../../libdl.a(dlsym.o): In
function `dlsym':
/build/glibc-2.4/dlfcn/dlsym.c:30: undefined reference to `__dlsym'
/usr/lib/gcc/i686-pc-linux-gnu/4.1.1/../../../libdl.a(dlerror.o): In
function `dlerror':
/build/glibc-2.4/dlfcn/dlerror.c:34: undefined reference to `__dlerror'
collect2: ld returned 1 exit status
make[2]: *** [xdm] Error 1
make[2]: Leaving directory `/home/build/xorg/xdm-X11R7.2-1.1.3'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/build/xorg/xdm-X11R7.2-1.1.3'
make: *** [all] Error 2