CVS compilation errors

[Nicholas Ewing Seafort <seafort yo fuh-q org>]

heavily modified slackware 3.4 box (upped to glibc2, hacked to death)...
gtk+/glib/gnome fresh out of CVS

gcc -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I./.. -DNEED_GNOMESUPPORT_H
-I../support -I../support -I../intl -I../intl -I/usr/local/include
-I/usr/local/lib/glib/include -I/usr/local/include -I/usr/X11R6/include
-I/usr/local/lib/glib/include -I/usr/local/include -I/usr/local/include
-I/usr/X11R6/include -DGNOMELIBDIR=\"/usr/local/lib\"
-DGNOMEDATADIR=\"/usr/local/share\" -DGNOMEBINDIR=\"/usr/local/bin\"
-DGNOMELOCALSTATEDIR=\"/usr/local/var\"
-DGNOMELOCALEDIR=\"/usr/local/share/locale\"
-DGNOMESYSCONFDIR=\"/usr/local/etc\" -DVERSION=\"0.99.1\"
-I/usr/X11R6/include -I/usr/local/lib/glib/include -I/usr/local/include -g
-O2 -Wall -Wno-unused -Wmissing-prototypes -Wmissing-declarations
-Wpointer-arith -Wp,-MD,.deps/gnome-config.p -c -fPIC -DPIC gnome-config.c
In file included from gnome-config.c:30:
/usr/local/include/glib.h:2302: parse error before `GLIB_SYSDEF_POLLIN'
make[2]: *** [gnome-config.lo] Error 1
make[2]: Leaving directory `/usr/local/src/gnome/gnome-libs/libgnome'

bug?  or have I got something installed somewhere it shouldn't be
gcc is 2.7.2.3, glibc2/libc6, make 3.77, gtk+/glib 1.1.10

Thanks for the help