AC_INIT(liboping, 0.3.5)
AC_CONFIG_SRCDIR(src/liboping.c)
AC_CONFIG_HEADERS(src/config.h)
AM_INIT_AUTOMAKE(dist-bzip2)
AC_LANG(C)

AC_PREFIX_DEFAULT("/opt/oping")

#
# Check for programs/utilities
#
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AM_CONDITIONAL(COMPILER_IS_GCC, test "x$GCC" = "xyes")

#
# configure libtool
#
AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL
#AC_PROG_RANLIB

#
# Checks for header files.
#
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h)
AC_CHECK_HEADERS(math.h)
AC_CHECK_HEADERS(fcntl.h)
AC_CHECK_HEADERS(sys/types.h)
AC_CHECK_HEADERS(sys/stat.h)
AC_HEADER_TIME
AC_CHECK_HEADERS(sys/socket.h)
AC_CHECK_HEADERS(netdb.h)
AC_CHECK_HEADERS(signal.h)

# This sucks, but what can I do..?
AC_CHECK_HEADERS(netinet/in_systm.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
])
AC_CHECK_HEADERS(netinet/in.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
])
AC_CHECK_HEADERS(netinet/ip.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
])
AC_CHECK_HEADERS(netinet/ip_icmp.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
])
AC_CHECK_HEADERS(netinet/ip_var.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
])
AC_CHECK_HEADERS(netinet/ip6.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
])
AC_CHECK_HEADERS(netinet/icmp6.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP6_H
# include <netinet/ip6.h>
#endif
])

socket_needs_socket="no"
AC_CHECK_FUNCS(socket, [],
	AC_CHECK_LIB(socket, socket,
		[socket_needs_socket="yes"],
		AC_MSG_ERROR(cannot find socket)))
AM_CONDITIONAL(BUILD_WITH_LIBSOCKET, test "x$socket_needs_socket" = "xyes")

nanosleep_needs_rt="no"
AC_CHECK_FUNCS(nanosleep, [],
	AC_CHECK_LIB(rt, nanosleep,
		[nanosleep_needs_rt="yes"],
		AC_MSG_ERROR(cannot find nanosleep)))
AM_CONDITIONAL(BUILD_WITH_LIBRT, test "x$nanosleep_needs_rt" = "xyes")

AC_ARG_ENABLE(debug, [AS_HELP_STRING([--enable-debug], [Enable extensive debugging output.])],
[
	if test "x$enable_debug" = "xyes"
	then
		AC_DEFINE(WITH_DEBUG, 1, [Define to 1 if you want to get debugging output.])
	fi
], [])
AM_CONDITIONAL(BUILD_WITH_DEBUG, test "x$enable_debug" = "xyes")

AC_OUTPUT(Makefile src/Makefile src/mans/Makefile)