why do I get this error when making PATCH2 ?

Making all in lib...
make[1]: Entering directory `/usr/src/squid-2.0.PATCH2/lib'
gcc -g -O2 -Wall -I../include -I../include -c util.c -o util.o
In file included from util.c:41:
/usr/include/stdio.h:71: warning: empty declaration
In file included from /usr/include/sys/time.h:5,
                 from /usr/include/time.h:27,
                 from ../include/util.h:35,
                 from util.c:67:
/usr/include/linux/types.h:14: warning: empty declaration
/usr/include/linux/types.h:15: warning: empty declaration
/usr/include/linux/types.h:35: warning: empty declaration
/usr/include/linux/types.h:60: warning: redefinition of `u_short'
/usr/include/linux/types.h:12: warning: `u_short' previously declared here
util.c: In function `xstrerror':
util.c:590: `errno' undeclared (first use this function)
util.c:590: (Each undeclared identifier is reported only once
util.c:590: for each function it appears in.)
make[1]: *** [util.o] Error 1
make[1]: Leaving directory `/usr/src/squid-2.0.PATCH2/lib'
make: *** [all] Error 1
Received on Mon Oct 26 1998 - 20:01:30 MST