xserver compiling error...

[Efren Vzz.]

make[5]: Entering directory
`/root/src/xc/xserver/xorg-server-X11R7.0-1.0.1/hw/xfree86/os-support/linux'
if /bin/sh ../../../../libtool --mode=compile gcc -DHAVE_CONFIG_H -I. -I.
-I../../../../include -I../../../../include -I../../../../include
-I../../../../include -I../../../../include -I../../../../include
-I../../../../hw/xfree86 -I../../../../hw/xfree86/include
-I../../../../hw/xfree86/common -I../../../../hw/xfree86/os-support
-I../../../../hw/xfree86/os-support/bus -I../../../../os
-I/usr/include/drm    -DUSESTDRES -DHAVE_SYSV_IPC -DHAVE_XORG_CONFIG_H 
-DXFree86Server  -DXFree86LOADER -Wall -Wpointer-arith -Wstrict-prototypes
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs
-fno-strict-aliasing -D_BSD_SOURCE -DHAS_FCHOWN -DHAS_STICKY_DIR_BIT  
-I../../../../include -I../../../../include -I../../../../Xext
-I../../../../composite -I../../../../damageext -I../../../../xfixes
-I../../../../Xi -I../../../../mi -I../../../../miext/shadow 
-I../../../../miext/damage -I../../../../render -I../../../../randr
-I../../../../fb -I../../../../lbx   -march=pentium3 -O3 -pipe
-fomit-frame-pointer -funroll-
  -c -o lnx_agp.lo `test -f 'lnx_agp.c' || echo './'`lnx_agp.c; \
then mv -f ".deps/lnx_agp.Tpo" ".deps/lnx_agp.Plo"; \
else rm -f ".deps/lnx_agp.Tpo"; exit 1; \
fi
 gcc -DHAVE_CONFIG_H -I. -I. -I../../../../include -I../../../../include
-I../../../../include -I../../../../include -I../../../../include
-I../../../../include -I../../../../hw/xfree86
-I../../../../hw/xfree86/include -I../../../../hw/xfree86/common
-I../../../../hw/xfree86/os-support
-I../../../../hw/xfree86/os-support/bus -I../../../../os
-I/usr/include/drm -DUSESTDRES -DHAVE_SYSV_IPC -DHAVE_XORG_CONFIG_H
-DXFree86Server -DXFree86LOADER -Wall -Wpointer-arith -Wstrict-prototypes
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs
-fno-strict-aliasing -D_BSD_SOURCE -DHAS_FCHOWN -DHAS_STICKY_DIR_BIT
-I../../../../include -I../../../../include -I../../../../Xext
-I../../../../composite -I../../../../damageext -I../../../../xfixes
-I../../../../Xi -I../../../../mi -I../../../../miext/shadow
-I../../../../miext/damage -I../../../../render -I../../../../randr
-I../../../../fb -I../../../../lbx -march=pentium3 -O3 -pipe
-fomit-frame-pointer -funroll-loops -mmmx -msse -MT lnx_agp.lo -MD -MP
-MF .deps/lnx_
In file included from /usr/include/stdlib.h:414,
                 from ../../../../include/misc.h:152,
                 from ../../../../hw/xfree86/common/xf86str.h:38,
                 from ../../../../hw/xfree86/common/xf86.h:40,
                 from lnx_agp.c:20:
/usr/include/sys/types.h:62: conflicting types for `dev_t'
/usr/include/linux/types.h:21: previous declaration of `dev_t'
/usr/include/sys/types.h:67: conflicting types for `gid_t'
/usr/include/linux/types.h:48: previous declaration of `gid_t'
/usr/include/sys/types.h:72: conflicting types for `mode_t'
/usr/include/linux/types.h:23: previous declaration of `mode_t'
/usr/include/sys/types.h:77: conflicting types for `nlink_t'
/usr/include/linux/types.h:24: previous declaration of `nlink_t'
/usr/include/sys/types.h:82: conflicting types for `uid_t'
/usr/include/linux/types.h:47: previous declaration of `uid_t'
In file included from /usr/include/sys/types.h:216,
                 from /usr/include/stdlib.h:414,
                 from ../../../../include/misc.h:152,
                 from ../../../../hw/xfree86/common/xf86str.h:38,
                 from ../../../../hw/xfree86/common/xf86.h:40,
                 from lnx_agp.c:20:
/usr/include/sys/select.h:78: conflicting types for `fd_set'
/usr/include/linux/types.h:20: previous declaration of `fd_set'
make[5]: *** [lnx_agp.lo] Error 1
make[5]: Leaving directory
`/root/src/xc/xserver/xorg-server-X11R7.0-1.0.1/hw/xfree86/os-support/linux'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory
`/root/src/xc/xserver/xorg-server-X11R7.0-1.0.1/hw/xfree86/os-support'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory
`/root/src/xc/xserver/xorg-server-X11R7.0-1.0.1/hw/xfree86'
make[2]: *** [all] Error 2
make[2]: Leaving directory
`/root/src/xc/xserver/xorg-server-X11R7.0-1.0.1/hw/xfree86'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory
`/root/src/xc/xserver/xorg-server-X11R7.0-1.0.1/hw'
make: *** [all-recursive] Error 1

using slack9.1, any idea?