Compile Error

[war <war starband net>]

gcc -g -O2 -Wall -Wunused -o gnome-session manager.o ice.o main.o prop.o
save.o command.o remote.o logout.o splash.o gsm-protocol.o -rdynamic
-L/usr/lib -L/usr/X11R6/lib -rdynamic -lgnomeui -lart_lgpl -lgdk_imlib
-lSM -lICE -lgtk -lgdk -lgmodule -lXi -lXext -lX11 -lgnome
-lgnomesupport -lesd -laudiofile -lm -ldb1 -lglib -ldl -L/usr/lib -lwrap
-lnsl -rdynamic -L/usr/lib -lgmodule -lglib -ldl -lgdk_pixbuf -ltiff
-ljpeg -lpng -lz -lgnomecanvaspixbuf
gsm-protocol.o: In function `commandv':
/home/war/gnome-core-1.4.0.4/gsm/gsm-protocol.c:741: undefined reference
to `va_copy'
gsm-protocol.o: In function `gsm_args_to_propv':
/home/war/gnome-core-1.4.0.4/gsm/gsm-protocol.c:1037: undefined
reference to `va_copy'
collect2: ld returned 1 exit status
make[3]: *** [gnome-session] Error 1
make[3]: Leaving directory `/home/war/gnome-core-1.4.0.4/gsm'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/war/gnome-core-1.4.0.4/gsm'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/war/gnome-core-1.4.0.4'
make: *** [all-recursive-am] Error 2
[root war gnome-core-1.4.0.4]#

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System Info:

System Hardware:
    CPU Type: Pentium III
   CPU Speed: 868.640 MHz
         Ram: 1004 MB
        Swap: 2000 MB

System Software:
Distribution: Red Hat Linux release 7.1 (Seawolf)
    autoconf: 2.52
     autogen: 5.2.9
    automake: 1.5
    binutils: 2.11.2
      esound: 0.2.23
         gcc: 2.95.3
     gettext: 0.10.40
       glibc: 2.2.2
        glib: 1.2.10
  gnome-libs: 1.2.8
         gtk: 1.2.10
       imlib: 1.9.11
     kdelibs: 2.2.1
      kernel: 2.4.3
     libtool: 1.4.2
     openssl: 0.9.6b
       orbit: 0.5.7
   orbit-idl: 0.6.8
        perl: 5.6.1
          qt: 2.3.1
         rpm: 4.0.2
         sdl: 1.2.2
     xfree86: 4.0.99.2
        xml2: 2.4.5
         xml: 1.8.16