dnl Macros that test for specific features.
-dnl This file is part of Autoconf.
-dnl Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+dnl This file is part of the Autoconf packaging for Ethereal.
+dnl Copyright (C) 1998-2000 by Gerald Combs.
+dnl
+dnl $Id: acinclude.m4,v 1.21 2001/01/18 09:54:09 guy Exp $
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
dnl Roland McGrath, Noah Friedman, david d zuhn, and many others.
+#
+# AC_ETHEREAL_ADD_DASH_L
+#
+# Add to the variable specified as the first argument a "-L" flag for the
+# directory specified as the second argument, and, on Solaris, add a
+# "-R" flag for it as well.
+#
+# XXX - IRIX, and other OSes, may require some flag equivalent to
+# "-R" here.
+#
+AC_DEFUN(AC_ETHEREAL_ADD_DASH_L,
+[$1="$$1 -L$2"
+case "$host_os" in
+ solaris*)
+ $1="$$1 -R$2"
+ ;;
+esac
+])
+
+
#
# AC_ETHEREAL_STRUCT_SA_LEN
#
-dnl AC_STRUCT_ST_BLKSIZE extracted from the file in qustion,
+dnl AC_STRUCT_ST_BLKSIZE extracted from the file in question,
dnl "acspecific.m4" in GNU Autoconf 2.12, and turned into
dnl AC_ETHEREAL_STRUCT_SA_LEN, which checks if "struct sockaddr"
dnl has the 4.4BSD "sa_len" member, and defines HAVE_SA_LEN; that's
dnl what's in this file.
-dnl Done by Guy Harris <guy@netapp.com> on 1998-11-14.
+dnl Done by Guy Harris <guy@alum.mit.edu> on 1998-11-14.
dnl ### Checks for structure members
fi
])
-
#
# AC_ETHEREAL_IPV6_STACK
#
# By Jun-ichiro "itojun" Hagino, <itojun@iijlab.net>
-
+#
AC_DEFUN(AC_ETHEREAL_IPV6_STACK,
[
v6type=unknown
if test "$v6lib" != "none"; then
for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do
if test -d $dir -a -f $dir/lib$v6lib.a; then
- LIBS="-L$dir -l$v6lib $LIBS"
+ LIBS="-L$dir $LIBS -l$v6lib"
break
fi
done
fi
AC_MSG_RESULT(["$v6type, $v6lib"])
])
+
+#
+# AC_ETHEREAL_GETHOSTBY_LIB_CHECK
+#
+# Checks whether we need "-lnsl" to get "gethostby*()", which we use
+# in "resolv.c".
+#
+# Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
+# GNU Autoconf 2.13; the comment came from there.
+# Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
+#
+AC_DEFUN(AC_ETHEREAL_GETHOSTBY_LIB_CHECK,
+[
+ # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
+ # to get the SysV transport functions.
+ # chad@anasazi.com says the Pyramid MIS-ES running DC/OSx (SVR4)
+ # needs -lnsl.
+ # The nsl library prevents programs from opening the X display
+ # on Irix 5.2, according to dickey@clark.net.
+ AC_CHECK_FUNC(gethostbyname)
+ if test $ac_cv_func_gethostbyname = no; then
+ AC_CHECK_LIB(nsl, gethostbyname, NSL_LIBS="-lnsl")
+ fi
+ AC_SUBST(NSL_LIBS)
+])
+
+#
+# AC_ETHEREAL_SOCKET_LIB_CHECK
+#
+# Checks whether we need "-lsocket" to get "socket()", which is used
+# by libpcap on some platforms - and, in effect, "gethostby*()" on
+# most if not all platforms (so that it can use NIS or DNS or...
+# to look up host names).
+#
+# Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
+# GNU Autoconf 2.13; the comment came from there.
+# Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
+#
+# We use "connect" because that's what AC_PATH_XTRA did.
+#
+AC_DEFUN(AC_ETHEREAL_SOCKET_LIB_CHECK,
+[
+ # lieder@skyler.mavd.honeywell.com says without -lsocket,
+ # socket/setsockopt and other routines are undefined under SCO ODT
+ # 2.0. But -lsocket is broken on IRIX 5.2 (and is not necessary
+ # on later versions), says simon@lia.di.epfl.ch: it contains
+ # gethostby* variants that don't use the nameserver (or something).
+ # -lsocket must be given before -lnsl if both are needed.
+ # We assume that if connect needs -lnsl, so does gethostbyname.
+ AC_CHECK_FUNC(connect)
+ if test $ac_cv_func_connect = no; then
+ AC_CHECK_LIB(socket, connect, SOCKET_LIBS="-lsocket",
+ AC_MSG_ERROR(Function 'socket' not found.), $NSL_LIBS)
+ fi
+ AC_SUBST(SOCKET_LIBS)
+])
+
+#
+# AC_ETHEREAL_PCAP_CHECK
+#
+AC_DEFUN(AC_ETHEREAL_PCAP_CHECK,
+[
+ # Evidently, some systems have pcap.h, etc. in */include/pcap
+ AC_MSG_CHECKING(for extraneous pcap header directories)
+ found_pcap_dir=""
+ for pcap_dir in /usr/include/pcap /usr/local/include/pcap $prefix/include
+ do
+ if test -d $pcap_dir ; then
+ CFLAGS="$CFLAGS -I$pcap_dir"
+ CPPFLAGS="$CPPFLAGS -I$pcap_dir"
+ found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
+ fi
+ done
+
+ if test "$found_pcap_dir" != "" ; then
+ AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
+ else
+ AC_MSG_RESULT(not found)
+ fi
+
+ # Pcap header checks
+ AC_CHECK_HEADER(net/bpf.h,,
+ AC_MSG_ERROR([[Header file net/bpf.h not found; if you installed libpcap from source, did you also do \"make install-incl\"?]]))
+ AC_CHECK_HEADER(pcap.h,, AC_MSG_ERROR(Header file pcap.h not found.))
+
+ #
+ # Check to see if we find "pcap_open_live" in "-lpcap".
+ #
+ AC_CHECK_LIB(pcap, pcap_open_live,
+ [
+ PCAP_LIBS=-lpcap
+ AC_DEFINE(HAVE_LIBPCAP)
+ ], AC_MSG_ERROR(Library libpcap not found.),
+ $SOCKET_LIBS $NSL_LIBS)
+ AC_SUBST(PCAP_LIBS)
+])
+
+#
+# AC_ETHEREAL_ZLIB_CHECK
+#
+AC_DEFUN(AC_ETHEREAL_ZLIB_CHECK,
+[
+ AC_CHECK_HEADER(zlib.h,,enable_zlib=no)
+
+ dnl
+ dnl Check for "gzgets()" in zlib, because we need it, but
+ dnl some older versions of zlib don't have it. It appears
+ dnl from the ChangeLog that any released version of zlib
+ dnl with "gzgets()" should have the other routines we
+ dnl depend on, such as "gzseek()", "gztell()", and "zError()".
+ dnl
+ AC_CHECK_LIB(z, gzgets,,enable_zlib=no)
+])
+
+#
+# AC_ETHEREAL_UCDSNMP_CHECK
+#
+AC_DEFUN(AC_ETHEREAL_UCDSNMP_CHECK,
+[
+ want_ucdsnmp=yes
+
+ AC_ARG_WITH(ucdsnmp,
+ [ --with-ucdsnmp=DIR use UCD SNMP client library, located in directory DIR.], [
+ if test $withval = no
+ then
+ want_ucdsnmp=no
+ else
+ want_ucdsnmp=yes
+ ucdsnmp_user_dir=$withval
+ fi
+ ])
+
+ if test $want_ucdsnmp = yes
+ then
+ ucdsnmpdir=""
+
+ for d in $ucdsnmp_user_dir $prefix
+ do
+ if test x$d != xNONE
+ then
+ AC_MSG_CHECKING($d for ucd-snmp)
+
+ if test x$d != x/usr/local && test -f $d/include/ucd-snmp/snmp.h
+ then
+ AC_MSG_RESULT(found)
+ ucdsnmpdir=$d
+ break
+ else
+ AC_MSG_RESULT(not found)
+ fi
+ fi
+ done
+
+ if test x$ucdsnmpdir != x
+ then
+ AC_MSG_RESULT(added $d to paths)
+ CFLAGS="$CFLAGS -I${ucdsnmpdir}/include"
+ CPPFLAGS="$CPPFLAGS -I${ucdsnmpdir}/include"
+ AC_ETHEREAL_ADD_DASH_L(LDFLAGS, ${ucdsnmpdir}/lib)
+ fi
+ fi
+])
+
+#
+# AC_ETHEREAL_SSL_CHECK
+#
+AC_DEFUN(AC_ETHEREAL_SSL_CHECK,
+[
+ want_ssl=yes
+
+ AC_ARG_WITH(ssl,
+ [ --with-ssl=DIR use SSL crypto library, located in directory DIR.], [
+ if test $withval = no
+ then
+ want_ssl=no
+ else
+ want_ssl=yes
+ ssl_user_dir=$withval
+ fi
+ ])
+
+ if test $want_ssl = yes
+ then
+ ssldir=""
+
+ for d in $ssl_user_dir $prefix
+ do
+ if test x$d != xNONE
+ then
+ AC_MSG_CHECKING($d for ssl)
+
+ if test x$d != x/usr/local && test -f $d/lib/libcrypto.a
+ then
+ AC_MSG_RESULT(found)
+ ssldir=$d
+ break
+ else
+ AC_MSG_RESULT(not found)
+ fi
+ fi
+ done
+
+ if test x$ssldir != x
+ then
+ SSL_LIBS=-lcrypto
+ AC_MSG_RESULT(added $d to paths)
+ CFLAGS="$CFLAGS -I${ssldir}/include"
+ CPPFLAGS="$CPPFLAGS -I${ssldir}/include"
+ AC_ETHEREAL_ADD_DASH_L(LDFLAGS, ${ssldir}/lib)
+ fi
+ fi
+])
git.samba.org / obnox / wireshark / wip.git / blobdiff