- (djm) Replacement for inet_ntoa for Irix (which breaks on gcc)
 - (djm) Fix strerror replacement for old SunOS. Based on patch from
   Charles Levert <charles@comm.polymtl.ca>
 - (djm) Seperate arc4random into seperate file and use OpenSSL's RC4
   implementation.
diff --git a/configure.in b/configure.in
index 7ad0d01..974d0df 100644
--- a/configure.in
+++ b/configure.in
@@ -87,6 +87,7 @@
 	MANTYPE='$(CATMAN)'
 	no_libsocket=1
 	no_libnsl=1
+	AC_DEFINE(BROKEN_INET_NTOA)
 	;;
 *-*-irix6*)
 	CFLAGS="$CFLAGS -I/usr/local/include"
@@ -97,6 +98,7 @@
 	AC_DEFINE(WITH_IRIX_AUDIT)
 	no_libsocket=1
 	no_libnsl=1
+	AC_DEFINE(BROKEN_INET_NTOA)
 	;;
 *-*-linux*)
 	no_dev_ptmx=1
@@ -224,7 +226,7 @@
 AC_CHECK_HEADERS(bstring.h endian.h floatingpoint.h lastlog.h limits.h login.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h stddef.h time.h ttyent.h usersec.h util.h utmp.h utmpx.h)
 
 # Checks for library functions.
-AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage getttyent inet_aton innetgr md5_crypt memmove mkdtemp on_exit openpty rresvport_af setenv seteuid setlogin setproctitle setreuid sigaction sigvec snprintf strerror strlcat strlcpy strsep vsnprintf vhangup _getpty __b64_ntop)
+AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage getttyent inet_aton inet_ntoa innetgr md5_crypt memmove mkdtemp on_exit openpty rresvport_af setenv seteuid setlogin setproctitle setreuid sigaction sigvec snprintf strerror strlcat strlcpy strsep vsnprintf vhangup _getpty __b64_ntop)
 dnl    checks for time functions
 AC_CHECK_FUNCS(gettimeofday time)
 dnl    checks for libutil functions
@@ -741,6 +743,18 @@
 fi
 
 
+AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
+	AC_TRY_LINK([], 
+		[ extern int sys_nerr; printf("%i", sys_nerr);], 
+		[ ac_cv_libc_defines_sys_nerr="yes" ],
+		[ ac_cv_libc_defines_sys_nerr="no" ]
+	)
+])
+if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
+	AC_DEFINE(HAVE_SYS_NERR)
+fi
+
+
 # Looking for programs, paths and files
 AC_ARG_WITH(rsh,
 	[  --with-rsh=PATH         Specify path to remote shell program ],