undefined symbol: __register_frame. Why?

["Andrew V. Shuvalov" <andrew at ecsl dot cs dot sunysb dot edu>]

Hello All!
   Can you help me? Take a look:

[andrew@apple node]$ make
egcs++ -v -Wall -DDEBUG -g  -o sunder_node  node.o
errors.o protocol.o requests.o sundercontext.o
renderdecode.o glxcommon.o  -lg++  -lMesaGL
-lMesaGLU -lX11 -lXext -lm -L/usr/X11R6/lib
Reading specs from
/usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.90.21/specs

gcc version egcs-2.90.21 971202 (egcs-1.00
release)
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.90.21/ld
-m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o
sunder_node /usr/lib/crt1.o /usr/lib/crti.o
/usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.90.21/crtbegin.o
-L/usr/X11R6/lib
-L/usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.90.21
-L/usr/local/i686-pc-linux-gnu/lib
-L/usr/local/lib node.o errors.o protocol.o
requests.o sundercontext.o renderdecode.o
glxcommon.o -lg++ -lMesaGL -lMesaGLU -lX11 -lXext
-lstdc++ -lm
/usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.90.21/libgcc.a
-lc
/usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.90.21/libgcc.a
/usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.90.21/crtend.o
/usr/lib/crtn.o

[andrew@apple node]$ ./sunder_node
./sunder_node: error in loading shared libraries
: undefined symbol: __register_frame


How this can happens? register_frame comes from
libgcc.a, isn't it?

Andrew