Fedora Users — moxa cp-104ul compile error on FC1

Hi,Help me,please.

moxa cp-104ul compile error on FC1,used to add a ext modem .see below.

cp mxser.tgz /faxdata;

cd /faxdata;
tar zxvf mxser.tgz;
cd mxser;
make clean;
make install;
....
cd driver;\
make install
make[1]: Entering directory `/faxdata/mxser/driver'
gcc -c -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -pipe -m486 -I/usr/src/linux-2.4/include -I/usr/src/linux/include -DMODVERSIONS mxser.c
`-m486' is deprecated. Use `-march=i486' or `-mcpu=i486' instead.
In file included from /usr/src/linux-2.4/include/asm/semaphore.h:39,
                 from /usr/src/linux-2.4/include/linux/fs.h:202,
                 from /usr/src/linux-2.4/include/linux/capability.h:17,
                 from /usr/src/linux-2.4/include/linux/binfmts.h:4,
                 from /usr/src/linux-2.4/include/linux/sched.h:10,
                 from mxser.c:53:
/usr/src/linux-2.4/include/asm/system.h: In function `__set_64bit_var':
/usr/src/linux-2.4/include/asm/system.h:189: warning: dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/linux-2.4/include/asm/system.h:189: warning: dereferencing type-punned pointer will break strict-aliasing rules
mxser.c: In function `mxser_close':
mxser.c:1466: error: invalid operands to binary ==
make[1]: *** [mxser.o] Error 1
make[1]: Leaving directory `/faxdata/mxser/driver'
make: *** [driver_install] Error 2

how can i do ?

thanks&regards.