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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script.
AC_INIT([scanssh],[2.1.3.1],[https://github.com/ofalk/scanssh/issues])
AC_CONFIG_SRCDIR([scanssh])
AC_CONFIG_SRCDIR(scanssh.c)
AM_INIT_AUTOMAKE
dnl Check for system type.
dnl XXX - we do this to qualify our later feature checks, since some
dnl systems claim to support multiple features, but are quite b0rked.
AC_CANONICAL_HOST
dnl Initialize prefix.
if test "$prefix" = "NONE"; then
prefix="/usr/local"
fi
dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
dnl XXX - Solaris sux.
AC_CHECK_LIB(socket, socket)
AC_CHECK_LIB(nsl, gethostbyname)
dnl XXX - we need WinPcap developer's pack under Cygwin for win32
AC_DEFUN([SCANSSH_CYGWIN],
[
AC_REQUIRE([AC_CANONICAL_HOST])[]dnl
case $host_os in
*cygwin* )
if test -d /usr/include/mingw ; then
CPPFLAGS="$CPPFLAGS -mno-cygwin"
CFLAGS="$CFLAGS -mno-cygwin"
AC_DEFINE(WIN32_LEAN_AND_MEAN, 1,
[Define for faster code generation.])
AC_CHECK_LIB(ws2_32, main)
AC_CHECK_LIB(iphlpapi, main)
AC_DEFINE(snprintf, _snprintf,
[Use MingW32's internal snprintf])
else
AC_MSG_ERROR([need MingW32 package to build under Cygwin])
fi
AC_MSG_CHECKING(for WinPcap developer's pack)
AC_ARG_WITH(wpdpack,
[ --with-wpdpack=DIR use WinPcap developer's pack in DIR],
[ AC_MSG_RESULT($withval)
if test -f $withval/include/packet32.h -a -f $withval/lib/packet.a; then
owd=`pwd`
if cd $withval; then withval=`pwd`; cd $owd; fi
CFLAGS="$CFLAGS -I$withval/include"
LIBS="$LIBS -L$withval/lib -lpacket"
else
AC_MSG_ERROR(packet32.h or packet.a not found in $withval)
fi ],
[ for dir in ${prefix} ${HOME}/WPdpack ; do
if test -f ${dir}/include/packet32.h -a -f ${dir}/lib/packet.a; then
CFLAGS="$CFLAGS -I${dir}/include"
LIBS="$LIBS -L${dir}/lib -lpacket"
have_pcap=yes
break;
fi
done
if test "$have_pcap" != yes; then
AC_MSG_ERROR(WinPcap developer's pack not found)
fi
AC_MSG_RESULT(yes) ])
* ) AC_MSG_RESULT(no)
;;
esac
])
dnl Checks for libraries.
AC_REPLACE_FUNCS(inet_aton inet_pton strsep getaddrinfo getnameinfo strlcpy strlcat arc4random)
needmd5=no
AC_CHECK_FUNCS(MD5Update, , [needmd5=yes])
if test $needmd5 = yes; then
AC_LIBOBJ(md5)
fi
neederr=no
AC_CHECK_FUNCS(warnx, , [neederr=yes])
if test $neederr = yes; then
AC_LIBOBJ(err)
fi
dnl Checks for libpcap
AC_MSG_CHECKING(for libpcap)
AC_ARG_WITH(libpcap,
[ --with-libpcap=DIR use libpcap build directory],
[ case "$withval" in
yes|no)
AC_MSG_RESULT(no)
;;
*)
AC_MSG_RESULT($withval)
if test -f $withval/pcap.h -a -f $withval/libpcap.a; then
owd=`pwd`
if cd $withval; then withval=`pwd`; cd $owd; fi
PCAPINC="-I$withval -I$withval/bpf"
PCAPLIB="-L$withval -lpcap"
else
AC_MSG_ERROR(pcap.h or libpcap.a not found in $withval)
fi
;;
esac ],
[ if test -f ${prefix}/include/pcap.h; then
PCAPINC="-I${prefix}/include"
PCAPLIB="-L${prefix}/lib -lpcap"
elif test -f /usr/include/pcap/pcap.h; then
PCAPINC="-I/usr/include/pcap"
PCAPLIB="-lpcap"
elif test -f /usr/include/pcap.h; then
PCAPLIB="-lpcap"
else
AC_MSG_RESULT(no)
AC_MSG_ERROR(libpcap not found)
fi
AC_MSG_RESULT(yes) ]
)
AC_SUBST(PCAPINC)
AC_SUBST(PCAPLIB)
dnl Checks for (installed) libdnet
AC_ARG_WITH(libdnet,
[ --with-libdnet=DIR use libdnet in DIR],
[ case "$withval" in
yes|no)
AC_MSG_ERROR(Please specify directory containing dnet-config when using --with-libdnet)
;;
*)
AC_MSG_CHECKING(for libdnet)
AC_MSG_RESULT($withval)
if test -f $withval/src/libdnet.a; then
DNETINC="-I$withval/include"
DNETLIB="-L$withval/src -ldnet `$withval/dnet-config --libs`"
elif test -x $withval/bin/dnet-config; then
DNETINC="`$withval/bin/dnet-config --cflags`"
DNETLIB="`$withval/bin/dnet-config --libs`"
else
AC_MSG_RESULT(no)
AC_MSG_ERROR(dnet-config not found in $withval/bin)
fi
;;
esac
AC_MSG_RESULT(yes) ],
[ dnl This is the default case so let's just use AC_PATH_PROG! --CPK.
AC_PATH_PROG(dnetconfig, dnet-config, "no")
if test "$dnetconfig" = "no"; then
AC_MSG_ERROR(dnet-config not found)
else
DNETINC="`$dnetconfig --cflags`"
DNETLIB="`$dnetconfig --libs`"
fi]
)
dnl We still need to check whether it's dnet or dumbnet as
dnl for example on Debian. We test by looking at the content
dnl of DNETLIB and derive from the library name what version
dnl we're dealing with. If we find a libdumbnet, we prefix
dnl compat/libdnet to our inclusion path. It provides a dnet.h
dnl that transparently includes dumbnet.h for those systems. --CPK.
AC_MSG_CHECKING([whether libdnet is a libdumbnet])
if test `echo $DNETLIB | sed -e '/dumb/=;d'`; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DUMBNET, 1,
[Define if our libdnet is a libdumbnet])
DNETCOMPAT="compat/libdnet"
else
AC_MSG_RESULT(no)
fi
AC_SUBST(DNETCOMPAT)
AC_SUBST(DNETINC)
AC_SUBST(DNETLIB)
if test -z "$DNETCOMPAT"
then
CFLAGS="$DNETINC"
else
CFLAGS="-I$DNETCOMPAT $DNETINC"
fi
LIBS=$DNETLIB
dnl Checks for libevent
AC_MSG_CHECKING(for libevent)
AC_ARG_WITH(libevent,
[ --with-libevent=DIR use libevent build directory],
[ case "$withval" in
yes|no)
AC_MSG_RESULT(no)
;;
*)
AC_MSG_RESULT($withval)
if test -f $withval/event.h -a -f $withval/libevent.a; then
owd=`pwd`
if cd $withval; then withval=`pwd`; cd $owd; fi
EVENTINC="-I$withval"
EVENTLIB="-L$withval -levent"
else
AC_MSG_ERROR(event.h or libevent.a not found in $withval)
fi
;;
esac ],
[ if test -f ${prefix}/include/event.h; then
EVENTINC="-I${prefix}/include"
EVENTLIB="-L${prefix}/lib -levent"
elif test -f /usr/include/event/event.h; then
EVENTINC="-I/usr/include/event"
EVENTLIB="-levent"
elif test -f /usr/include/event.h; then
EVENTLIB="-levent"
else
AC_MSG_RESULT(no)
AC_MSG_ERROR(libevent not found)
fi
AC_MSG_RESULT(yes) ]
)
AC_SUBST(EVENTINC)
AC_SUBST(EVENTLIB)
CFLAGS=$EVENTINC
LIBS=$EVENTLIB
CFLAGS=""
LIBS=""
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h sys/ioctl.h sys/time.h unistd.h)
havesysselect=no
AC_CHECK_HEADER(sys/select.h, [havesysselect=yes], )
if test $havesysselect = yes; then
AC_MSG_CHECKING([for fd_mask in sys/select.h])
AC_EGREP_HEADER(fd_mask, sys/select.h,
[ AC_DEFINE(HAVE_FDMASK_IN_SELECT)
AC_MSG_RESULT([yes])], AC_MSG_RESULT([no]))
fi
dnl Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_CHECK_TYPE(u_int64_t, unsigned long long)
AC_CHECK_TYPE(u_int32_t, unsigned int)
AC_CHECK_TYPE(u_int16_t, unsigned short)
AC_CHECK_TYPE(u_int8_t, unsigned char)
AC_MSG_CHECKING([for struct sockaddr_storage in sys/socket.h])
AC_EGREP_HEADER(sockaddr_storage, sys/socket.h,
[ AC_DEFINE(HAVE_SOCKADDR_STORAGE)
AC_MSG_RESULT([yes])], AC_MSG_RESULT([no])
)
AC_MSG_CHECKING([for struct addrinfo in netdb.h])
AC_EGREP_HEADER(addrinfo, netdb.h,
[ AC_DEFINE(HAVE_STRUCT_ADDRINFO)
AC_MSG_RESULT([yes])], AC_MSG_RESULT([no])
)
AC_MSG_CHECKING([for timeradd in sys/time.h])
AC_EGREP_CPP(yes,
[
#include <sys/time.h>
#ifdef timeradd
yes
#endif
], [ AC_DEFINE(HAVE_TIMERADD)
AC_MSG_RESULT([yes])], AC_MSG_RESULT([no])
)
AC_MSG_CHECKING([for byte order of raw socket I/O])
AC_EGREP_CPP(yes,
[
#include <sys/param.h>
#ifdef BSD4_4
yes
#endif
],
AC_EGREP_CPP(yes,
[#include <sys/param.h>
#ifdef OpenBSD
yes
#endif
],
AC_MSG_RESULT([good byte order]),
[ AC_DEFINE(BSD_RAWSOCK_ORDER)
AC_MSG_RESULT([bad byte order])
]
),
AC_MSG_RESULT([good byte order])
)
AC_MSG_CHECKING([for sin_len in struct sockaddr_in])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>]], [[void *p = &((struct sockaddr_in *)0L)->sin_len;]])],[ AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_SIN_LEN, 1, [struct sockaddr_in contains sin_len]) ],[AC_MSG_RESULT(no)
])
AC_MSG_CHECKING([for sa_family_t])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>]], [[sa_family_t x;]])],[AC_MSG_RESULT(yes)],[AC_MSG_RESULT([no])
AC_DEFINE(sa_family_t, int)
])
AC_MSG_CHECKING([for socklen_t])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>]], [[socklen_t x;]])],[AC_MSG_RESULT(yes)],[AC_MSG_RESULT([no])
AC_DEFINE(socklen_t, int)
])
AC_MSG_CHECKING([for NI_NUMERICHOST])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>]], [[char x[NI_NUMERICHOST];]])],[AC_MSG_RESULT(yes)],[AC_MSG_RESULT([no])
AC_DEFINE(NI_NUMERICHOST, 1)
AC_DEFINE(NI_MAXHOST, 256)
])
AC_MSG_CHECKING([for NI_MAXSERV])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>]], [[char x[NI_MAXSERV];]])],[AC_MSG_RESULT(yes)],[AC_MSG_RESULT([no])
AC_DEFINE(NI_MAXSERV, 32)
])
AC_CHECK_FUNCS(gettimeofday select socket strdup strerror strtol seteuid)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT