Problems compiling Squid 1.10 on Solaris x86

I am trying to compile squid 1.10 for Solaris x86 but get the following
error:

gcc -o squid -g acl.o cache_cf.o client_db.o client_side.o comm.o debug.o
disk.o dns.o errorpage.o event.o fdstat.o filemap.o fqdncache.o ftp.o
gopher.o hash.o http.o http-anon.o icmp.o icp.o ident.o ipcache.o main.o
mime.o neighbors.o net_db.o objcache.o pass.o proto.o redirect.o refresh.o
send-announce.o ssl.o stack.o stat.o stmem.o store.o store_clean.o
storetoString.o tools.o unlinkd.o url.o useragent.o wais.o -L../lib -lcrypt
 -lmiscutil -lm -lresolv -lmalloc -lsocket -lnsl
Undefined first referenced
 symbol in file
__inet_addr main.o
__inet_ntoa acl.o

(The problem is the underscores in font of the names)

When I compile on a sparc 2 it compiles fine.
Compiler has been gcc 2.7.2 and is now 2.7.2.2.
OS Solaris 2.5.1_x86 and solaris 2.5
Sendmail uses the same functions and compiles on both machines and
I can´t se any difference in compiler switches.
What could cause this difference?

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