In the big "host OS" switch, put the names in alphabetical order, and

add cases for Irix and {OSF/1, Digital UNIX, Tru64 UNIX).

AIX appears to use the V7/BSD convention for man pages, not the SV
conventions.

configure

@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 1.159 .
+# From configure.in Revision: 1.160 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61.
 #
@@ -8596,12 +8596,11 @@ _ACEOF
 	# We need "-lodm" and "-lcfg", as libpcap requires them on
 	# AIX.
 	DEPLIBS="-lodm -lcfg"
+	;;
 
-	#
-	# Assume System V conventions for man pages.
-	#
-	MAN_FILE_FORMATS=4
-	MAN_MISC_INFO=5
+darwin*)
+	DYEXT="dylib"
+	V_CCOPT="$V_CCOPT -fno-common"
 	;;
 
 hpux9*)
@@ -8650,6 +8649,26 @@ _ACEOF
 	MAN_MISC_INFO=5
 	;;
 
+irix*)
+	#
+	# Use System V conventions for man pages.
+	#
+	MAN_FILE_FORMATS=4
+	MAN_MISC_INFO=5
+	;;
+
+linux*)
+	V_CCOPT="$V_CCOPT -fPIC"
+	;;
+
+osf*)
+	#
+	# Use System V conventions for man pages.
+	#
+	MAN_FILE_FORMATS=4
+	MAN_MISC_INFO=5
+	;;
+
 sinix*)
 	{ echo "$as_me:$LINENO: checking if SINIX compiler defines sinix" >&5
 echo $ECHO_N "checking if SINIX compiler defines sinix... $ECHO_C" >&6; }
@@ -8723,16 +8742,6 @@ _ACEOF
 	MAN_FILE_FORMATS=4
 	MAN_MISC_INFO=5
 	;;
-
-darwin*)
-	DYEXT="dylib"
-	V_CCOPT="$V_CCOPT -fno-common"
-	;;
-
-linux*)
-	V_CCOPT="$V_CCOPT -fPIC"
-	;;
-
 esac
 
 if test -n "$ac_tool_prefix"; then

configure.in

@@ -1,12 +1,12 @@
-dnl @(#) $Header: /tcpdump/master/libpcap/configure.in,v 1.159 2008-10-23 05:56:59 guy Exp $ (LBL)
+dnl @(#) $Header: /tcpdump/master/libpcap/configure.in,v 1.160 2008-10-24 07:29:34 guy Exp $ (LBL)
 dnl
 dnl Copyright (c) 1994, 1995, 1996, 1997
 dnl	The Regents of the University of California.  All rights reserved.
 dnl
 dnl Process this file with autoconf to produce a configure script.
 dnl
 
-AC_REVISION($Revision: 1.159 $)
+AC_REVISION($Revision: 1.160 $)
 AC_PREREQ(2.50)
 AC_INIT(pcap.c)
 
@@ -883,12 +883,11 @@ aix*)
 	# We need "-lodm" and "-lcfg", as libpcap requires them on
 	# AIX.
 	DEPLIBS="-lodm -lcfg"
+	;;
 
-	#
-	# Assume System V conventions for man pages.
-	#
-	MAN_FILE_FORMATS=4
-	MAN_MISC_INFO=5
+darwin*)
+	DYEXT="dylib"
+	V_CCOPT="$V_CCOPT -fno-common"
 	;;
 
 hpux9*)
@@ -935,6 +934,26 @@ hpux*)
 	MAN_MISC_INFO=5
 	;;
 
+irix*)
+	#
+	# Use System V conventions for man pages.
+	#
+	MAN_FILE_FORMATS=4
+	MAN_MISC_INFO=5
+	;;
+
+linux*)
+	V_CCOPT="$V_CCOPT -fPIC"
+	;;
+
+osf*)
+	#
+	# Use System V conventions for man pages.
+	#
+	MAN_FILE_FORMATS=4
+	MAN_MISC_INFO=5
+	;;
+
 sinix*)
 	AC_MSG_CHECKING(if SINIX compiler defines sinix)
 	AC_CACHE_VAL(ac_cv_cc_sinix_defined,
@@ -958,16 +977,6 @@ solaris*)
 	MAN_FILE_FORMATS=4
 	MAN_MISC_INFO=5
 	;;
-
-darwin*)
-	DYEXT="dylib"
-	V_CCOPT="$V_CCOPT -fno-common"
-	;;
-
-linux*)
-	V_CCOPT="$V_CCOPT -fPIC"
-	;;
-
 esac
 
 AC_PROG_RANLIB