Trying to ./build.sh distribution from the 20041019 sources I grabbed
off of releng.netbsd.org gets me this error;

#   compile  libc/res_send.ln
CC=/usr/src/tooldir.NetBSD-2.0_RC4-i386/bin/i386--netbsdelf-gcc
/usr/src/tooldir.NetBSD-2.0_RC4-i386/bin/i386--netbsdelf-lint
-chapbxzF -w -X 272 -d /usr/src/destdir.i386/usr/include  -D_LIBC
-DLIBC_SCCS -DSYSLIBC_SCCS -D_REENTRANT -I/usr/src/lib/libc/include
-DHESIOD -DNLS -DYP -D__DBINTERFACE_PRIVATE -DI18NMODULE_MAJOR=4
-I/usr/src/libexec/ld.elf_so -I/usr/src/lib/libc/dlfcn -DCITRUS_ICONV
-DWITH_RUNE -I/usr/src/lib/libc -DRESOLVSORT -I. -DPOSIX_MISTAKE
-DPORTMAP -DFLOATING_POINT    -i /usr/src/lib/libc/net/res_send.c
/usr/src/lib/libc/net/res_send.c(267): warning: pointer casts may be
troublesome [247]
/usr/src/lib/libc/net/res_send.c(413): warning: pointer casts may be
troublesome [247]

*** Failed target:  res_send.ln
*** Failed command:
CC=/usr/src/tooldir.NetBSD-2.0_RC4-i386/bin/i386--netbsdelf-gcc
/usr/src/tooldir.NetBSD-2.0_RC4-i386/bin/i386--netbsdelf-lint
-chapbxzF -w -X 272 -d /usr/src/destdir.i386/usr/include -D_LIBC
-DLIBC_SCCS -DSYSLIBC_SCCS -D_REENTRANT -I/usr/src/lib/libc/include
-DHESIOD -DNLS -DYP -D__DBINTERFACE_PRIVATE -DI18NMODULE_MAJOR=4
-I/usr/src/libexec/ld.elf_so -I/usr/src/lib/libc/dlfcn -DCITRUS_ICONV
-DWITH_RUNE -I/usr/src/lib/libc -DRESOLVSORT -I. -DPOSIX_MISTAKE
-DPORTMAP -DFLOATING_POINT -i /usr/src/lib/libc/net/res_send.c
*** Error code 1

I get the same error with the 20041016 and 20041013 sources.  Am I
doing something wrong, here?