dnl Process this file with autoconf to produce a configure script.
AC_INIT(tlswrap.c)
AM_INIT_AUTOMAKE(tlswrap, 0.8)

dnl
dnl Get cannonical host
dnl

CFLAGS="-g"

dnl Checks for programs.
AC_PROG_CC
if test "$GCC" = "yes" && test "$CC" != "icc"; then CFLAGS="$CFLAGS -O2 -Wall -Wmissing-prototypes"; fi
#  if test -n "$GCC"; then
#    CFLAGS="$CFLAGS -O2 -Wall -Wmissing-prototypes"
#  else
    #case "$host_os" in
#      *hpux*)  CFLAGS="$CFLAGS +O3"                      ;;
#      *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
#      *)       CFLAGS="$CFLAGS -O" ;;
#    esac
#  fi

AC_CYGWIN
if test "$CYGWIN" = "yes"; then CFLAGS="$CFLAGS -Dsys_errlist=_imp___sys_errlist"; fi
checkssldir() { :
    if test -f "$1/include/openssl/ssl.h"; then
#       AC_DEFINE(HAVE_OPENSSL)
        ssldir="$1"
        return 0
    fi
    if test -f "$1/include/ssl.h"; then
        ssldir="$1"
        return 0
    fi
    return 1
}
dnl Check for SSL directory
AC_MSG_CHECKING([for SSL directory])
AC_ARG_WITH(ssl,
    [  --with-ssl=DIR          location of installed SSL libraries/include files],
    [
        dnl Check the specified localtion only
        checkssldir "$withval"
    ],
    [
        dnl Search default localtions of SSL library
        for maindir in /usr/local /usr/lib /usr/pkg /usr /var/ssl /opt; do
            for dir in $maindir $maindir/openssl $maindir/ssl; do
                checkssldir $dir && break 2
            done
        done
    ]
)
if test -z "$ssldir"; then
    AC_MSG_RESULT([Not found])
    echo
    echo "Couldn't find your SSL library installation dir"
    echo "Use --with-ssl option to fix this problem"
    echo
    exit 1
fi
AC_MSG_RESULT([$ssldir])
AC_SUBST(ssldir)
#AC_DEFINE_UNQUOTED(ssldir, "$ssldir")

AC_MSG_CHECKING([whether to enable TCP wrappers])
AC_ARG_ENABLE(libwrap,
[  --enable-libwrap        enable TCP wrappers],
	[
	LIBWRAP=yes
	],[
	LIBWRAP=no
]
)
AC_MSG_RESULT([$LIBWRAP])
if test "$LIBWRAP" = "yes"; then
	AC_CHECK_LIB(wrap, hosts_ctl)
fi

AM_CONFIG_HEADER(conf.h)
dnl Checks for libraries.
AC_CHECK_LIB(resolv, inet_aton)
AC_CHECK_LIB(socket, connect)
AC_CHECK_LIB(nsl, inet_ntoa)
AC_CHECK_LIB(util, pidfile)
# AC_CHECK_LIB(wrap, hosts_ctl)

CFLAGS="$CFLAGS -I$ssldir/include"
LIBS="$LIBS -L$ssldir/lib -lssl -lcrypto"

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h strings.h sys/time.h syslog.h unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_SIZE_T
#AC_CHECK_TYPES(socklen_t,[AC_DEFINE(HAVE_SOCKLEN_T)],,[#include <sys/socket.h>])
#AC_CHECK_TYPES(socklen_t,,,[#include <sys/socket.h>])
AC_CHECK_TYPE(socklen_t,,[AC_DEFINE(socklen_t, size_t, blah)],[#include <sys/socket.h>])

#AC_CHECK_SIZEOF(ssize_t)
#AC_CHECK_SIZEOF(unsigned int)
#AC_CHECK_SIZEOF(unsigned long)

case "$ac_cv_host" in
  *hpux*) AC_DEFINE([_XOPEN_SOURCE_EXTENDED], [], [HP-UX socket headers]);;
esac


dnl Checks for library functions.
AC_FUNC_MEMCMP
AC_CHECK_FUNCS(getopt pidfile inet_aton RAND_status errx strlcpy daemon getnameinfo setproctitle)
AC_SUBST(INCLUDES)
AC_OUTPUT(Makefile)