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AC_PREREQ(2.59)
AC_INIT([ucarp],[1.5.1],[bugs at ucarp dot org])
AC_CONFIG_SRCDIR([src/ucarp.c])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([1.9 dist-bzip2])
AC_CONFIG_LIBOBJ_DIR(src)
AC_SUBST(VERSION)
ISODATE=`date +%Y-%m-%d`
AC_SUBST(ISODATE)
# Checks for programs.
AC_PROG_CC
AC_PROG_CC_C_O
AC_PROG_CPP
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_RANLIB
AC_PROG_LIBTOOL
AC_ISC_POSIX
AM_GNU_GETTEXT([external])
# Checks for header files.
AC_HEADER_STDC
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([memory.h strings.h unistd.h netinet/in_systm.h])
AC_CHECK_HEADERS([netinet/in.h stdlib.h string.h sys/socket.h sys/time.h])
AC_CHECK_HEADERS([ifaddrs.h net/if_dl.h net/if_types.h])
AC_CHECK_HEADERS([sys/sockio.h net/if_arp.h], [], [],
[[
#include <sys/types.h>
#ifdef HAS_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAS_NETINET_IN_H
#include <netinet/in.h>
#endif
]])
AC_CHECK_HEADERS([fcntl.h sys/fcntl.h ioctl.h sys/ioctl.h])
dnl Check for endianness
AC_C_BIGENDIAN
dnl Check for types
AC_TYPE_SIGNAL
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_CHECK_TYPE(dev_t, , [AC_DEFINE(dev_t, unsigned int, [dev_t type])],
[
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
])
dnl Check for sizes
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
dnl Socket things
AC_CHECK_FUNC(connect, , [AC_CHECK_LIB(socket, connect)])
AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(resolv, gethostbyname)])
AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(nsl, gethostbyname)])
if test "x$ac_cv_lib_nsl_gethostbyname" != "xyes" && test "x$ac_cv_func_gethostbyname" != "xyes" ; then
AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(socket, gethostbyname)])
fi
if test "$ac_cv_lib_nsl_gethostbyname" = "$ac_cv_func_gethostbyname" ; then
AC_MSG_CHECKING([if we can include libnsl + libsocket])
LIBS="-lnsl -lsocket $LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[(void) gethostbyname]])],[my_ac_link_result=yes],
[my_ac_link_result=no])
if test "$my_ac_link_result" = "no" ; then
AC_MSG_RESULT([failure])
AC_MSG_ERROR([unable to use gethostbyname()])
else
AC_MSG_RESULT([success])
fi
fi
# Checks for libraries.
AC_CHECK_LIB([pcap], [pcap_lookupdev])
dnl Types - continued
AC_CHECK_TYPE(socklen_t, , [AC_DEFINE(socklen_t, int, [socklen_t type])],
[
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/socket.h>
])
AC_CHECK_TYPE(ssize_t, , [AC_DEFINE(ssize_t, long int, [ssize_t type])],
[
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# if HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <sys/types.h>
])
AC_CHECK_TYPE(sig_atomic_t, , [AC_DEFINE(sig_atomic_t, signed char,
[sig_atomic_t type])],
[
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <sys/types.h>
#include <signal.h>
])
AC_CHECK_TYPE(nfds_t, , [AC_DEFINE(nfds_t, unsigned long, [nfds_t type])],
[
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/poll.h>
])
dnl Check for typedefs, structures, and compiler characteristics.
AC_PROG_GCC_TRADITIONAL
AC_C_CONST
AC_C_INLINE
dnl Options
AC_ARG_WITH(debug,
[AS_HELP_STRING(--with-debug,For maintainers only - please do not use)],
[ if test "x$withval" = "xyes" ; then
CFLAGS="$CFLAGS -DDEBUG=1 -g -Wall -W -Wcast-align -Wbad-function-cast -Wstrict-prototypes -Wwrite-strings -Wreturn-type "
fi ])
dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_FUNC_MEMCMP
AC_FUNC_STRFTIME
AC_FUNC_STAT
AC_FUNC_VPRINTF
AC_FUNC_FORK
AC_FUNC_WAIT3
AC_CHECK_FUNCS(initgroups setrlimit waitpid setproctitle getopt_long)
AC_CHECK_FUNCS(seteuid setreuid setresuid setegid setregid setresgid)
AC_CHECK_FUNCS(strtoull strtoq)
AC_CHECK_FUNCS(memset munmap strdup fileno)
AC_CHECK_FUNCS(getaddrinfo getnameinfo inet_ntop inet_pton)
AC_CHECK_FUNCS(snprintf vsnprintf vfprintf gethostname)
AC_CHECK_FUNCS(setlocale)
AC_CHECK_FUNCS(random srandomdev)
AC_CHECK_FUNCS(getifaddrs)
if test "x$sysconfdir" = 'xNONE' || test "x$sysconfdir" = 'x'; then
CONFDIR='/etc'
else
if test "x$sysconfdir" = 'x${prefix}/etc'; then
if test "x$prefix" = 'xNONE' || test "x$prefix" = 'x/usr'; then
CONFDIR='/etc'
else
CONFDIR="$sysconfdir"
fi
else
CONFDIR="$sysconfdir"
fi
fi
if test -r /dev/arandom; then
AC_MSG_NOTICE([You have /dev/arandom - Great])
AC_DEFINE(HAVE_DEV_ARANDOM,,[Define if you have /dev/arandom])
fi
if test -r /dev/urandom; then
AC_MSG_NOTICE([You have /dev/urandom - Great])
AC_DEFINE(HAVE_DEV_URANDOM,,[Define if you have /dev/urandom])
fi
if test -r /dev/random; then
AC_MSG_NOTICE([You have /dev/random - Great])
AC_DEFINE(HAVE_DEV_RANDOM,,[Define if you have /dev/random])
fi
AC_MSG_CHECKING(whether snprintf is C99 conformant)
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# if HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
int main(void)
{
char buf[4];
(void) fprintf(fopen("conftestval", "w"), "%d\n",
(int) snprintf(buf, sizeof buf, "12345678"));
return 0;
}
]])],[CONF_SNPRINTF_TYPE=`cat conftestval`
],[],[])
AC_MSG_RESULT(done)
if test "x$CONF_SNPRINTF_TYPE" = "x" ; then
AC_MSG_WARN(your operating system doesn't implement snprintf)
else
AC_DEFINE_UNQUOTED(CONF_SNPRINTF_TYPE, $CONF_SNPRINTF_TYPE,
[return value of an overflowed snprintf])
fi
AC_MSG_CHECKING(whether you already have a standard SHA1 implementation)
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sha1.h>
int main(void)
{
SHA1_CTX ctx;
char b[41];
SHA1Init(&ctx);
SHA1Update(&ctx, (const unsigned char *) "test", 4U);
SHA1End(&ctx, b);
b[40] = 0;
return strcasecmp(b, "a94a8fe5ccb19ba61c4c0873d391e987982fbbd3");
}
]])],[
AC_MSG_RESULT(yes)
AC_DEFINE(USE_SYSTEM_CRYPT_SHA1,,[Define if you already have standard
SHA1 functions])
],[AC_MSG_RESULT(no)
],[])
AC_MSG_CHECKING([whether syslog names are available])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#define SYSLOG_NAMES 1
#include <stdio.h>
#include <syslog.h>
]], [[
(void) facilitynames
]])],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SYSLOG_NAMES,,[define if syslog names are available])
],[
AC_MSG_RESULT(no)
])
sysconfdir="$CONFDIR"
AC_SUBST(sysconfdir)
CPPFLAGS="$CPPFLAGS -DCONFDIR=\\\"$sysconfdir\\\""
dnl Output
AC_CONFIG_FILES(Makefile src/Makefile examples/Makefile
examples/linux/Makefile examples/bsd/Makefile
po/Makefile.in m4/Makefile )
AC_OUTPUT
AC_MSG_NOTICE([+--------------------------------------------------------+])
AC_MSG_NOTICE([| You can subscribe to the UCARP users mailing-list to |])
AC_MSG_NOTICE([| ask for help and to stay informed of new releases. |])
AC_MSG_NOTICE([| Go to http://www.ucarp.org/ml/ now! |])
AC_MSG_NOTICE([+--------------------------------------------------------+])
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