#
# File:   configure.in
# Author: James Couzens <jcouzens@codeshare.ca>
# Date:   June 15, 2004
#
# Info:   'AutoTools' framework for building a configure script
#          for libSPF 
#
#
#          oooo   o8o   .o8        .oooooo..o ooooooooo.   oooooooooooo
#          `888   `"'  "888       d8P'    `Y8 `888   `Y88. `888'     `8
#           888  oooo   888oooo.  Y88bo.       888   .d88'  888
#           888  `888   d88' `88b  `"Y8888o.   888ooo88P'   888oooo8
#           888   888   888   888      `"Y88b  888          888    "
#           888   888   888   888 oo     .d8P  888          888
#          o888o o888o  `Y8bod8P' 8""88888P'  o888o        o888o
#
#-------------------------------------------------------------------------------
#           An ANSI C Implementation of the Sender Policy Framework
#-------------------------------------------------------------------------------

AC_PREREQ(2.52)
AC_INIT(libspf,1.0.0-p5,jcouzens@codeshare.ca)
AC_CONFIG_AUX_DIR([build_tools])
AM_INIT_AUTOMAKE(libspf,1.0.0-p5,jcouzens@codeshare.ca)
PACKAGE=$PACKAGE_NAME
VERSION=$PACKAGE_VERSION


#-------------------------------------------------------------------------------
# Required programs
#-------------------------------------------------------------------------------

AM_CONFIG_HEADER([config.h])
#AC_CONFIG_SRCDIR([src/libspf/main.c])

AC_PROG_CC
AC_PROG_LN_S
AC_PROG_RANLIB
#AC_ARG_PROGRAM
AC_PROG_MAKE_SET
AC_PROG_CPP
AC_PROG_INSTALL
AM_CONDITIONAL(GCC, test x$GCC = xyes)

# Auto Make
#AM_MAINTAINER_MODE


#-------------------------------------------------------------------------------
# LIBTOOL
#-------------------------------------------------------------------------------

AC_PROG_LIBTOOL
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
AC_SUBST(LIBTOOL_DEPS)

# 
#  Making releases:
#    LIBSPF_MICRO_VERSION += 1;
#    LIBSPF_INTERFACE_AGE += 1;
#    LIBSPF_BINARY_AGE += 1;
#  if any functions have been added, set LIBSPF_INTERFACE_AGE to 0.
#  if backwards compatibility has been broken,
#  set LIBSPF_BINARY_AGE _and_ LIBSPF_INTERFACE_AGE to 0.
#  

LIBSPF_MAJOR_VERSION=1
LIBSPF_MINOR_VERSION=0
LIBSPF_MICRO_VERSION=0
LIBSPF_INTERFACE_AGE=1
LIBSPF_BINARY_AGE=1
LIBSPF_VERSION=$LIBSPF_MAJOR_VERSION.$LIBSPF_MINOR_VERSION.$LIBSPF_MICRO_VERSION

AC_SUBST(LIBSPF_MAJOR_VERSION)
AC_SUBST(LIBSPF_MINOR_VERSION)
AC_SUBST(LIBSPF_MICRO_VERSION)
AC_SUBST(LIBSPF_VERSION)
AC_SUBST(LIBSPF_INTERFACE_AGE)
AC_SUBST(LIBSPF_BINARY_AGE)

#  -version-info "$(LT_CURRENT):$(LT_REVISION):$(LT_AGE)" \
#  -release $(LT_RELEASE)
#  libtool versioning

LT_CURRENT="0"
LT_REVISION="26"
LT_AGE="0"
LT_RELEASE="1.0"

echo ""
echo "--------------------------------------------------------------------------------"
echo ""
echo "LIBTOOL Version ........ ${LIBSPF_MAJOR_VERSION}.${LIBSPF_MINOR_VERSION}.${LIBSPF_MICRO_VERSION}"
echo "LIBTOOL Interface Age .. $LIBSPF_INTERFACE_AGE"
echo "LIBTOOL Binary Age ..... $LIBSPF_BINARY_AGE"
echo "LIBTOOL Current ........ $LT_CURRENT"
echo "LIBTOOL Revision ....... $LT_REVISION"
echo "LIBTOOL Age ............ $LT_AGE"
echo "LIBTOOL Release ........ $LT_RELEASE"
echo ""
echo "--------------------------------------------------------------------------------"
echo ""


#-------------------------------------------------------------------------------
# LIBTOOL relating substitutionssn
#-------------------------------------------------------------------------------

AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)


#-------------------------------------------------------------------------------
# Check for some library functions
#-------------------------------------------------------------------------------

AC_CHECK_LIB([c], [exit])
AC_CHECK_LIB([nsl], [inet_pton])
AC_CHECK_LIB([socket], [socket])

AC_CHECK_LIB([spf2], [SPF_sanitize], LIBSPF2_POOPOO="true")
if test "$LIBSPF2_POOPOO" ; then
  AC_MSG_WARN(["My word, what is that awful stench!?  Oh its libspf2"])
  AC_MSG_WARN(["Thanks to these trolls I have no second versioning"])
  AC_MSG_WARN(["number... http://moscow.6o4.ca/ for more info"])
fi


#-------------------------------------------------------------------------------
# Check up on GCC 
#-------------------------------------------------------------------------------

# We don't want gcc 2.7
AC_MSG_CHECKING([for a supported version of gcc])

gcc_version=`${CC} --version | head -n 1`
gcc_special_cflags=""
case "${gcc_version}" in
		2.7.*)
			AC_MSG_RESULT([no (${gcc_version})])
			AC_MSG_ERROR([please use a recent (>= gcc-2.95) version of gcc])
			;;
		2.95.*)
			AC_MSG_RESULT([yes (${gcc_version}) using %d instead of %zu])
      AC_SUBST(UNSIGNED_INT_ARG, "%d")
      gcc_special_cflags="-mcpu=pentium -malign-loops=5 -malign-jumps=5 -malign-functions=5"
			;;
    3.*)
      AC_MSG_RESULT([yes (${gcc_version}) using -falign instead of -malign])
      AC_SUBST(UNSIGNED_INT_ARG, "%zu")
      gcc_special_cflags="-mcpu=pentium -falign-loops=5 -falign-jumps=5 -falign-functions=5"
			;;
    4.*)
      AC_MSG_RESULT([yes (${gcc_version}) using -falign instead of -malign])
      AC_SUBST(UNSIGNED_INT_ARG, "%zu")
      gcc_special_cflags="-mcpu=pentium -falign-loops=5 -falign-jumps=5 -falign-functions=5"
			;;
		*)
			AC_MSG_RESULT([ok (${gcc_version})])
      AC_SUBST(UNSIGNED_INT_ARG, "%zu")
			;;
esac


#-------------------------------------------------------------------------------
# Define special resolver flags for various operating systems
#-------------------------------------------------------------------------------

case "$host" in
  *-*-darwin*)
    AC_DEFINE([_WITH_DARWINPPC],[],["Darwin/OSX"])
    ;;
  *-*-sunos4.1.1*)
    LIBSPF_RESOLV_LIB="-lnsl -lsocket"
    ;;
  *-*-solaris*)
    extralibflags="-R$libdir"
    AC_MSG_WARN(Solaris install detected.  Using extralibflags for linking: $extralibflags)
    LIBSPF_RESOLV_LIB="-lnsl -lsocket"
    ;;
  *-*-sunos*)
    LIBSPF_RESOLV_LIB="-lnsl -lsocket"
    ;;
  *-*-freebsd*)
    AC_DEFINE([_WITH_FREEBSD],[],["FreeBSD"])
    LIBSPF_RESOLV_LIB="-lc"
    ;;
  *-*-netbsd*)
    ;;
  *-*-openbsd*)
    AC_DEFINE([_WITH_OPENBSD],[],["OpenBSD"])
    ;;
  *)
    extralibflags=""
    LIBSPF_RESOLV_LIB="-lresolv"
   ;;
esac
#AC_DEFINE_UNQUOTED(LIBSPF_RESOLV_LIB,"$LIBSPF_RESOLV_LIB","")

#-------------------------------------------------------------------------------
# Checks for header files.
#-------------------------------------------------------------------------------

AC_HEADER_STDC
AC_CHECK_HEADERS([arpa/inet.h, netdb.h, netinet/in.h, stdlib.h, \
  string.h, strings.h, sys/socket.h unistd.h, error.h, inttypes.h])


#-------------------------------------------------------------------------------
# Required Types, structures and other compiler requirements
#-------------------------------------------------------------------------------

AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_STRUCT_TM
AC_C_CHAR_UNSIGNED
AC_CHECK_TYPES([u_char, time_t])


#-------------------------------------------------------------------------------
#  Required functions
#-------------------------------------------------------------------------------

AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_STRFTIME
AC_CHECK_FUNCS([gethostbyname, inet_ntoa, memset, strcasecmp,  \
  localtime_r, strchr, strdup, strrchr, strstr, mkdir])


#-------------------------------------------------------------------------------
# __BEGIN_DECLS / __END_DECLS defined ?
#-------------------------------------------------------------------------------

AC_MSG_CHECKING([__BEGIN_DECLS])
AC_COMPILE_IFELSE([
#include <features.h>
__BEGIN_DECLS
extern int x;
__END_DECLS],
  [AC_MSG_RESULT(yes)
   AC_DEFINE(HAVE__BEGIN_DECLS,1,
[Define to 1 if declarations in headers are surrounded by __{BEGIN,END}_DECLS])
   AC_SUBST(__BEGIN_DECLS,__BEGIN_DECLS)
   AC_SUBST(__END_DECLS,__END_DECLS)],
  [AC_MSG_RESULT(no)
   AC_SUBST_FILE(__BEGIN_DECLS_INCL)
   __BEGIN_DECLS_INCL=$srcdir/conf/begin_decls
   AC_SUBST_FILE(__END_DECLS_INCL)
   __END_DECLS_INCL=$srcdir/conf/end_decls]
)


#-------------------------------------------------------------------------------
# Unsigned int types
#-------------------------------------------------------------------------------

dnl AC_COMPILE_CHECK_SIZEOF (TYPE SUPPOSED-SIZE)
dnl abort if the given type does not have the supposed size
AC_DEFUN([AC_COMPILE_CHECK_SIZEOF],
    [AC_MSG_CHECKING(that size of $1 is $2)
    AC_TRY_COMPILE([],[switch (0) case 0: case (sizeof ($1) == $2):;],[],
        [AC_MSG_ERROR([can not build a default inttypes.h])])
    AC_MSG_RESULT([yes])])

dnl Our own version of AC_CHECK_SIZEOF(int); fixes a bug when sizeof() can't
dnl be printed with "%d", and avoids a warning for cross-compiling.

AC_MSG_CHECKING(size of int)
AC_CACHE_VAL(ac_cv_sizeof_int,
	[AC_TRY_RUN([#include <stdio.h>
		main()
		{
		  FILE *f=fopen("conftestval", "w");
		  if (!f) exit(1);
		  fprintf(f, "%d\n", (int)sizeof(int));
		  exit(0);
		}],
	    ac_cv_sizeof_int=`cat conftestval`,
	    ac_cv_sizeof_int=0,
	    AC_MSG_ERROR(failed to compile test program))])
AC_MSG_RESULT($ac_cv_sizeof_int)
AC_DEFINE_UNQUOTED(SIZEOF_INT, [$ac_cv_sizeof_int], [Check to fix sizeof bug that can't print %d])
#AC_DEFINE([SIZEOF_INT], [$ac_cv_sizeof_int], [Check to fix sizeof bug that can't print %d])

AC_DEFUN([AC_CREATE_STDINT_H],
[# ------ AC CREATE STDINT H -------------------------------------
AC_MSG_CHECKING([for stdint-types....])
ac_stdint_h=`echo ifelse($1, , _stdint.h, $1)`
if test "$ac_stdint_h" = "stdint.h" ; then
 AC_MSG_RESULT("(are you sure you want them in ./stdint.h?)")
elif test "$ac_stdint_h" = "inttypes.h" ; then
 AC_MSG_RESULT("(are you sure you want them in ./inttypes.h?)")
else
 AC_MSG_RESULT("(putting them into $ac_stdint_h)")
fi

inttype_headers=`echo inttypes.h sys/inttypes.h sys/inttypes.h $2 \
| sed -e 's/,/ /g'`

 ac_cv_header_stdint_x="no-file"
 ac_cv_header_stdint_o="no-file"
 ac_cv_header_stdint_u="no-file"
 for i in stdint.h $inttype_headers ; do
   unset ac_cv_type_uintptr_t
   unset ac_cv_type_uint64_t
   _AC_CHECK_TYPE_NEW(uintptr_t,[ac_cv_header_stdint_x=$i],dnl
     continue,[#include <$i>])
   AC_CHECK_TYPE(uint64_t,[and64="(uint64_t too)"],[and64=""],[#include<$i>])
   AC_MSG_RESULT(... seen our uintptr_t in $i $and64)
   break;
 done
 if test "$ac_cv_header_stdint_x" = "no-file" ; then
 for i in stdint.h $inttype_headers ; do
   unset ac_cv_type_uint32_t
   unset ac_cv_type_uint64_t
   AC_CHECK_TYPE(uint32_t,[ac_cv_header_stdint_o=$i],dnl
     continue,[#include <$i>])
   AC_CHECK_TYPE(uint64_t,[and64="(uint64_t too)"],[and64=""],[#include<$i>])
   AC_MSG_RESULT(... seen our uint32_t in $i $and64)
   break;
 done
 if test "$ac_cv_header_stdint_o" = "no-file" ; then
 for i in sys/types.h $inttype_headers ; do
   unset ac_cv_type_u_int32_t
   unset ac_cv_type_u_int64_t
   AC_CHECK_TYPE(u_int32_t,[ac_cv_header_stdint_u=$i],dnl
     continue,[#include <$i>])
   AC_CHECK_TYPE(uint64_t,[and64="(u_int64_t too)"],[and64=""],[#include<$i>])
   AC_MSG_RESULT(... seen our u_int32_t in $i $and64)
   break;
 done
 fi
 fi

# ----------------- DONE inttypes.h checks MAYBE C basic types --------

if test "$ac_cv_header_stdint_x" = "no-file" ; then
   AC_COMPILE_CHECK_SIZEOF(char)
   AC_COMPILE_CHECK_SIZEOF(short)
   AC_COMPILE_CHECK_SIZEOF(int)
   AC_COMPILE_CHECK_SIZEOF(long)
   AC_COMPILE_CHECK_SIZEOF(void*)
   ac_cv_header_stdint_test="yes"
else
   ac_cv_header_stdint_test="no"
fi

# ----------------- DONE inttypes.h checks START header -------------
_ac_stdint_h=AS_TR_CPP(_$ac_stdint_h)
AC_MSG_RESULT(creating $ac_stdint_h : $_ac_stdint_h)
echo "#ifndef" $_ac_stdint_h >$ac_stdint_h
echo "#define" $_ac_stdint_h "1" >>$ac_stdint_h
echo "#ifndef" _GENERATED_STDINT_H >>$ac_stdint_h
echo "#define" _GENERATED_STDINT_H '"'$PACKAGE $VERSION'"' >>$ac_stdint_h
if test "$GCC" = "yes" ; then
  echo "/* generated using a gnu compiler version" `$CC --version` "*/" \
  >>$ac_stdint_h
else
  echo "/* generated using $CC */" >>$ac_stdint_h
fi
echo "" >>$ac_stdint_h

if test "$ac_cv_header_stdint_x" != "no-file" ; then
   ac_cv_header_stdint="$ac_cv_header_stdint_x"
elif  test "$ac_cv_header_stdint_o" != "no-file" ; then
   ac_cv_header_stdint="$ac_cv_header_stdint_o"
elif  test "$ac_cv_header_stdint_u" != "no-file" ; then
   ac_cv_header_stdint="$ac_cv_header_stdint_u"
else
   ac_cv_header_stdint="stddef.h"
fi

# ----------------- See if int_least and int_fast types are present
unset ac_cv_type_int_least32_t
unset ac_cv_type_int_fast32_t
AC_CHECK_TYPE(int_least32_t,,,[#include <$ac_cv_header_stdint>])
AC_CHECK_TYPE(int_fast32_t,,,[#include<$ac_cv_header_stdint>])

if test "$ac_cv_header_stdint" != "stddef.h" ; then
if test "$ac_cv_header_stdint" != "stdint.h" ; then
AC_MSG_RESULT(..adding include stddef.h)
   echo "#include <stddef.h>" >>$ac_stdint_h
fi ; fi
AC_MSG_RESULT(..adding include $ac_cv_header_stdint)
   echo "#include <$ac_cv_header_stdint>" >>$ac_stdint_h
echo "" >>$ac_stdint_h

# ----------------- DONE header START basic int types -------------
if test "$ac_cv_header_stdint_x" = "no-file" ; then
   AC_MSG_RESULT(... need to look at C basic types)
dnl ac_cv_header_stdint_test="yes" # moved up before creating the file
else
   AC_MSG_RESULT(... seen good stdint.h inttypes)
dnl ac_cv_header_stdint_test="no"  # moved up before creating the file
fi

if test "$ac_cv_header_stdint_u" != "no-file" ; then
   AC_MSG_RESULT(... seen bsd/sysv typedefs)
   cat >>$ac_stdint_h <<EOF

/* int8_t int16_t int32_t defined by inet code, redeclare the u_intXX types */
typedef u_int8_t uint8_t;
typedef u_int16_t uint16_t;
typedef u_int32_t uint32_t;
EOF
    cat >>$ac_stdint_h <<EOF

/* glibc compatibility */
#ifndef __int8_t_defined
#define __int8_t_defined
#endif
EOF
fi

ac_cv_sizeof_x="$ac_cv_sizeof_char:$ac_cv_sizeof_short"
ac_cv_sizeof_X="$ac_cv_sizeof_x:$ac_cv_sizeof_int"
ac_cv_sizeof_X="$ac_cv_sizeof_X:$ac_cv_sizeof_voidp:$ac_cv_sizeof_long"
if test "$ac_cv_header_stdint" = "stddef.h" ; then
#   we must guess all the basic types. Apart from byte-adressable system,
# there a few 32-bit-only dsp-systems. nibble-addressable systems are way off.
    cat >>$ac_stdint_h <<EOF
/* ------------ BITSPECIFIC INTTYPES SECTION --------------- */
EOF
    t="typedefs for a"
    case "$ac_cv_sizeof_X" in
     1:2:2:2:4) AC_MSG_RESULT(..adding $t normal 16-bit system)
                cat >>$ac_stdint_h <<EOF
/*              a normal 16-bit system                       */
typedef unsigned char   uint8_t;
typedef unsigned short  uint16_t;
typedef unsigned long   uint32_t;
#ifndef __int8_t_defined
#define __int8_t_defined
typedef          char    int8_t;
typedef          short   int16_t;
typedef          long    int32_t;
#endif
EOF
;;
     1:2:2:4:4) AC_MSG_RESULT(..adding $t 32-bit system derived from a 16-bit)
                cat >>$ac_stdint_h <<EOF
/*              a 32-bit system derived from a 16-bit        */
typedef unsigned char   uint8_t;
typedef unsigned short  uint16_t;
typedef unsigned int    uint32_t;
#ifndef __int8_t_defined
#define __int8_t_defined
typedef          char    int8_t;
typedef          short   int16_t;
typedef          int     int32_t;
#endif
EOF
;;
     1:2:4:4:4) AC_MSG_RESULT(..adding $t normal 32-bit system)
                cat >>$ac_stdint_h <<EOF
/*              a normal 32-bit system                       */
typedef unsigned char   uint8_t;
typedef unsigned short  uint16_t;
typedef unsigned int    uint32_t;
#ifndef __int8_t_defined
#define __int8_t_defined
typedef          char    int8_t;
typedef          short   int16_t;
typedef          int     int32_t;
#endif
EOF
;;
     1:2:4:4:8) AC_MSG_RESULT(..adding $t 32-bit system prepared for 64-bit)
                cat >>$ac_stdint_h <<EOF

/*              a 32-bit system prepared for 64-bit          */
typedef unsigned char   uint8_t;
typedef unsigned short  uint16_t;
typedef unsigned int    uint32_t;
#ifndef __int8_t_defined
#define __int8_t_defined
typedef          char    int8_t;
typedef          short   int16_t;
typedef          int     int32_t;
#endif
EOF
;;
     1:2:4:8:8) AC_MSG_RESULT(..adding $t normal 64-bit system)
                cat >>$ac_stdint_h <<EOF

/*              a normal 64-bit system                       */
typedef unsigned char   uint8_t;
typedef unsigned short  uint16_t;
typedef unsigned int    uint32_t;
#ifndef __int8_t_defined
#define __int8_t_defined
typedef          char    int8_t;
typedef          short   int16_t;
typedef          int     int32_t;
#endif
EOF
;;
     1:2:4:8:4) AC_MSG_RESULT(..adding $t 64-bit system derived from a 32-bit)
                cat >>$ac_stdint_h <<EOF

/*              a 64-bit system derived from a 32-bit system */
typedef unsigned char   uint8_t;
typedef unsigned short  uint16_t;
typedef unsigned int    uint32_t;
#ifndef __int8_t_defined
#define __int8_t_defined
typedef          char    int8_t;
typedef          short   int16_t;
typedef          int     int32_t;
#endif
EOF
;;
  *)
    AC_MSG_ERROR([ $ac_cv_sizeof_X dnl
 what is that a system? contact the author, quick! http://ac-archive.sf.net])
    exit 1
;;
   esac
fi

# ------------- DONE basic int types START int64_t types ------------
if test "$ac_cv_type_uint64_t" = "yes"
then AC_MSG_RESULT(... seen good uint64_t)
     cat >>$ac_stdint_h <<EOF

/* system headers have good uint64_t */
#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
#endif
EOF

elif test "$ac_cv_type_u_int64_t" = "yes"
then AC_MSG_RESULT(..adding typedef u_int64_t uint64_t)
     cat >>$ac_stdint_h <<EOF

/* system headers have an u_int64_t */
#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
typedef u_int64_t uint64_t;
#endif
EOF
else AC_MSG_RESULT(..adding generic uint64_t runtime checks)
     cat >>$ac_stdint_h <<EOF

/* -------------------- 64 BIT GENERIC SECTION -------------------- */
/* here are some common heuristics using compiler runtime specifics */
#if defined __STDC_VERSION__ && defined __STDC_VERSION__ > 199901L

#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
typedef long long int64_t;
typedef unsigned long long uint64_t;
#endif

#elif !defined __STRICT_ANSI__
#if defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__

#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#endif

#elif defined __GNUC__ || defined __MWERKS__ || defined __ELF__
dnl /* note: all ELF-systems seem to have loff-support which needs 64-bit */

#if !defined _NO_LONGLONG
#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
typedef long long int64_t;
typedef unsigned long long uint64_t;
#endif
#endif

#elif defined __alpha || (defined __mips && defined _ABIN32)

#if !defined _NO_LONGLONG
#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
typedef long int64_t;
typedef unsigned long uint64_t;
#endif
#endif
  /* compiler/cpu type ... or just ISO C99 */
#endif
#endif
EOF

# plus a default 64-bit for systems that are likely to be 64-bit ready
  case "$ac_cv_sizeof_x:$ac_cv_sizeof_voidp:$ac_cv_sizeof_long" in
    1:2:8:8) AC_MSG_RESULT(..adding uint64_t default, normal 64-bit system)
cat >>$ac_stdint_h <<EOF
/* DEFAULT: */
/* seen normal 64-bit system, CC has sizeof(long and void*) == 8 bytes */
#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
typedef long int64_t;
typedef unsigned long uint64_t;
#endif
EOF
;;
    1:2:4:8) AC_MSG_RESULT(..adding uint64_t default, typedef to long)
cat >>$ac_stdint_h <<EOF
/* DEFAULT: */
/* seen 32-bit system prepared for 64-bit, CC has sizeof(long) == 8 bytes */
#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
typedef long int64_t;
typedef unsigned long uint64_t;
#endif
EOF
;;
    1:2:8:4) AC_MSG_RESULT(..adding uint64_t default, typedef long long)
cat >>$ac_stdint_h <<EOF
/* DEFAULT: */
/* seen 64-bit derived from a 32-bit, CC has sizeof(long) == 4 bytes */
#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
typedef long long int64_t;
typedef unsigned long long uint64_t;
#endif
EOF
;;
   *)
cat >>$ac_stdint_h <<EOF
/* NOTE: */
/* the configure-checks for the basic types did not make us believe */
/* that we could add a fallback to a 'long long' typedef to int64_t */
EOF
  esac
fi

# ------------- DONE int64_t types START intptr types ------------
if test "$ac_cv_header_stdint_x" = "no-file" ; then
  cat >>$ac_stdint_h <<EOF

/* -------------------------- INPTR SECTION --------------------------- */
EOF
  case "$ac_cv_sizeof_x:$ac_cv_sizeof_voidp" in
  1:2:2)
    a="int16_t" ; cat >>$ac_stdint_h <<EOF
/* we tested sizeof(void*) to be of 2 chars, hence we declare it 16-bit */

typedef uint16_t uintptr_t;
typedef  int16_t  intptr_t;
EOF
;;
  1:2:4)
    a="int32_t" ; cat >>$ac_stdint_h <<EOF
/* we tested sizeof(void*) to be of 4 chars, hence we declare it 32-bit */

typedef uint32_t uintptr_t;
typedef  int32_t  intptr_t;
EOF
;;
  1:2:8)
    a="int64_t" ; cat >>$ac_stdint_h <<EOF
/* we tested sizeof(void*) to be of 8 chars, hence we declare it 64-bit */

typedef uint64_t uintptr_t;
typedef  int64_t  intptr_t;
EOF
;;
  *)
    a="long" ; cat >>$ac_stdint_h <<EOF
/* we tested sizeof(void*) but got no guess, hence we declare it as if long */

typedef unsigned long uintptr_t;
typedef          long  intptr_t;
EOF
;;
  esac
AC_MSG_RESULT(..adding typedef $a intptr_t)
fi

# ------------- DONE intptr types START int_least types ------------
if test "$ac_cv_type_int_least32_t" = "no"; then
AC_MSG_RESULT(..adding generic int_least-types)
     cat >>$ac_stdint_h <<EOF

/* --------------GENERIC INT_LEAST ------------------ */

typedef  int8_t    int_least8_t;
typedef  int16_t   int_least16_t;
typedef  int32_t   int_least32_t;
#ifdef _HAVE_UINT64_T
typedef  int64_t   int_least64_t;
#endif

typedef uint8_t   uint_least8_t;
typedef uint16_t  uint_least16_t;
typedef uint32_t  uint_least32_t;
#ifdef _HAVE_UINT64_T
typedef uint64_t  uint_least64_t;
#endif
EOF
fi

# ------------- DONE intptr types START int_least types ------------
if test "$ac_cv_type_int_fast32_t" = "no"; then
AC_MSG_RESULT(..adding generic int_fast-types)
     cat >>$ac_stdint_h <<EOF

/* --------------GENERIC INT_FAST ------------------ */

typedef  int8_t    int_fast8_t;
typedef  int32_t   int_fast16_t;
typedef  int32_t   int_fast32_t;
#ifdef _HAVE_UINT64_T
typedef  int64_t   int_fast64_t;
#endif

typedef uint8_t   uint_fast8_t;
typedef uint32_t  uint_fast16_t;
typedef uint32_t  uint_fast32_t;
#ifdef _HAVE_UINT64_T
typedef uint64_t  uint_fast64_t;
#endif
EOF
fi

if test "$ac_cv_header_stdint_x" = "no-file" ; then
     cat >>$ac_stdint_h <<EOF

#ifdef _HAVE_UINT64_T
typedef int64_t        intmax_t;
typedef uint64_t      uintmax_t;
#else
typedef long int       intmax_t;
typedef unsigned long uintmax_t;
#endif
EOF
fi

AC_MSG_RESULT(... DONE $ac_stdint_h)
   cat >>$ac_stdint_h <<EOF

  /* once */
#endif
#endif
EOF
])

AC_CREATE_STDINT_H(src/libspf/_stdint.h)

dnl quote from SunOS-5.8 sys/inttypes.h:
dnl Use at your own risk.  As of February 1996, the committee is squarely
dnl behind the fixed sized types; the "least" and "fast" types are still being
dnl discussed.  The probability that the "fast" types may be removed before
dnl the standard is finalized is high enough that they are not currently
dnl implemented.

#AC_CHECK_TYPE(u_int8_t, [uint="u_int8_t"
#  AC_DEFINE(HAVE_U_INT8_T,1,[Define to 1 if type `u_int8_t' is defined])],
#  AC_CHECK_TYPE(uint8_t, [uint="uint8_t"
#    AC_DEFINE(HAVE_UINT8_T,1,[Define to 1 if type `uint8_t' is defined])],
#    [uint="unsigned char"]))
#AC_SUBST(U_INT8_T,[$uint])

#AC_CHECK_TYPE(u_int16_t, [uint="u_int16_t"
#  AC_DEFINE(HAVE_U_INT16_T,1,[Define to 1 if type `u_int16_t' is defined])],
#  AC_CHECK_TYPE(uint16_t, [uint="uint16_t"
#    AC_DEFINE(HAVE_UINT16_T,1,[Define to 1 if type `uint16_t' is defined])],
#    [uint="unsigned short"]))
#AC_SUBST(U_INT16_T,[$uint])

#AC_CHECK_TYPE(u_int32_t, [uint="u_int32_t"
#  AC_DEFINE(HAVE_U_INT32_T,1,[Define to 1 if type `u_int32_t' is defined])],
#  AC_CHECK_TYPE(uint32_t, [uint="uint32_t"
#    AC_DEFINE(HAVE_UINT32_T,1,[Define to 1 if type `uint32_t' is defined])],
#    [uint="unsigned int"]))
#AC_SUBST(U_INT32_T,[$uint])

#AC_CHECK_TYPE(uintptr_t, [uint="uintptr_t"
#  AC_DEFINE(HAVE_UINTPTR_T,1,[Define to 1 if type `uintptr_t' is defined])])
#AC_SUBST(UINTPTR_T,[$uint])


#-------------------------------------------------------------------------------
# __FUNCTION__
#-------------------------------------------------------------------------------

AC_MSG_CHECKING([__FUNCTION__])
func=none
AC_COMPILE_IFELSE(
  [int x() { f(__FUNCTION__); }],
  AC_MSG_RESULT([__FUNCTION__])
  AC_DEFINE(HAVE___FUNCTION__, [], ["Define to 1 if __FUNCTION__ is defined"]),
  AC_COMPILE_IFELSE(
    [int x() { f(__func__); }],
    AC_MSG_RESULT([__func__])
    AC_DEFINE(HAVE___FUNC__, [], ["Define to 1 if __func__ is defined"])))


#-------------------------------------------------------------------------------
# Setup build directories
#-------------------------------------------------------------------------------

LIBSPF_BUILD_DIRS="libspf spfqtool"


#-------------------------------------------------------------------------------
# Warn people configuring as root....
#-------------------------------------------------------------------------------

idcommand="id -u"
if test `$idcommand` == "0"
then
  AC_MSG_WARN(=== DO NOT EVER CONFIGURE AS ROOT  ===)
  AC_MSG_WARN(=== UNLESS EXPLICITLY EXPRESSED BY ===)
  AC_MSG_WARN(=== SUPPLIED DOCUMENTATION FROM A  ===)
  AC_MSG_WARN(=== REPUTABLE AUTHOR! Baka!        ===)
fi


#-------------------------------------------------------------------------------
# Check to see if we want to link libbind
#-------------------------------------------------------------------------------

AC_MSG_CHECKING(whether to link libbind is eanbled)
AC_ARG_ENABLE(libbind,
[  --enable-libbind          Link libbind instead of libresolv (default=no)],
[case "${enableval}" in
  yes)
    libbind=true
    AC_MSG_RESULT(yes)
    ;;
  no)
    libbind=false
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_ERROR(bad value ${enableval} for --enable-libbind)
    ;;
esac],
[libbind=false
AC_MSG_RESULT(no)])

if test "$libbind" = "true"; then
  LIBSPF_RESOLV_LIB="-lbind"
fi

if test "$libresolv" = "false"; then
  LIBSPF_RESOLV_LIB=""
else

  #----------------------------------------------------------------------------
  # Check to see if we want to link libresolv (default is yes) 
  #------------------------------------------------------------------

  dnl res_query has been seen in libc, libbind and libresolv
  AC_CHECK_FUNCS(res_query, res_search)

  if test "x-$ac_cv_func_res_query" = "x-yes" ; then
    have_res_query=yes
  fi

  if test "x-$ac_cv_func_res_search" = "x-yes" ; then
    have_res_search=yes
  fi

  if test "x-$have_res_query" = "x-no" || test "x-$have_res_search" = "no" ; then
    AC_CHECK_LIB(resolv, res_query)
    if test "x-$ac_cv_lib_resolv_res_query" = "x-yes" ; then
        have_res_query=yes
    else
      AC_CHECK_LIB(bind, res_query)
      if test "x-$ac_cv_lib_bind_res_query" = "x-yes" ; then
        have_res_query=yes
      else
        dnl some glibcs have res_query as a macro, so work around it
        AC_MSG_CHECKING([for res_query in -lresolv (alternate version)])
        save_libs="$LIBS"
        libresolv=true
        LIBS="-lresolv $LIBS"
        LIBSPF_RESOLV_LIB="-lresolv"
          AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <resolv.h>]],
          [[res_query(0,0,0,0,0)]])],
            [AC_MSG_RESULT(yes)
            have_res_query=yes],
          [AC_MSG_RESULT(no)
          libresolv=false
          LIBS="$save_libs"])
      fi
    fi
  fi

  if test "x-$have_res_query" = "x-yes" ; then
    AC_DEFINE(HAVE_RES_QUERY)
    libresolv=true
  dnl no res_query, do windows compat checks
  else
    dnl !!! implement these checks
    AC_MSG_WARN([required function res_query not found])
    libresolv=false
  fi

fi

# Checks for libraries.
AC_CHECK_LIB([resolv], [res_search])
AC_SUBST(LIBSPF_RESOLV_LIB)


#-------------------------------------------------------------------------------
# Check to see if we want to enable debugging
#-------------------------------------------------------------------------------

AC_MSG_CHECKING(whether DEBUG is eanbled)
AC_ARG_ENABLE(debug,
[  --enable-debug            Enables debug option (default=no)],
[case "${enableval}" in
  yes)
    debug=true
    AC_MSG_RESULT(yes)
    ;;
  no)
    debug=false
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_ERROR(bad value ${enableval} for --enable-debug)
    ;;
esac],
[debug=false
AC_MSG_RESULT(no)])

CFLAGS=""
if test "$debug" = "true"; then
  CFLAGS="-ggdb -O -D_SPF_DEBUG"
else
  AC_MSG_RESULT(Enabling GCC optimisations)
  CFLAGS="$CFLAGS -O3 -ffast-math -fomit-frame-pointer"

  if [[ "x$GCC_VERSION" = "x3" ]]; then
    AC_MSG_RESULT(Enabling GCC v3 optimizations)
    CFLAGS="$CFLAGS -minline-all-stringops -fno-math-errno"
  fi
fi

case "${host_cpu}" in
	i?86) 
		AC_MSG_RESULT([CPU: ${host_cpu}; Enabling pentium optimisations])
		# cannot do malign-double as we link to other libraries and it
		# would break binary compatibility
		CFLAGS="$CFLAGS ${gcc_special_cflags}"
	  ;;
	*) 
		AC_MSG_RESULT(Please e-mail author optimizations for this cpu)
		;;
esac


#-------------------------------------------------------------------------------
# Check to see if we want to enable debugging output to logfile
#-------------------------------------------------------------------------------

if test "$debug" = "true"; then
  AC_MSG_CHECKING(whether you want debug output to a logfile)
  AC_ARG_ENABLE(debug_logfile,
  [  --enable-debug-logfile    Enables logging debug output (default=yes)],
  [case "${enableval}" in
    yes)
      debug_logfile=true
      AC_MSG_RESULT(yes)
      ;;
    no)
      debug_logfile=false
      AC_MSG_RESULT(no)
      ;;
    *)
      AC_MSG_ERROR(bad value ${enableval} for --enable-debug-logfile)
      ;;
  esac],
  [debug_logfile=true
  AC_MSG_RESULT(no)])

  if test "$debug_logfile" = "true"; then
    CFLAGS="-D_SPF_DEBUG_LOGFILE $CFLAGS"
  fi
fi


#-------------------------------------------------------------------------------
# Check to see if we want to enable logfile statistics
#-------------------------------------------------------------------------------

logfile_stats=false
AC_MSG_CHECKING(whether you want logfile statistics)
AC_ARG_ENABLE(logfile_stats,
[  --enable-logfile-stats    Enables logfile stats (default=no)],
[case "${enableval}" in
  yes)
    logfile_stats=true
    AC_MSG_RESULT(yes)
    ;;
  no)
    logfile_stats=false
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_ERROR(bad value ${enableval} for --enable-logfile-stats)
    ;;
esac],
[logfile_stats=false
AC_MSG_RESULT(no)])

if test "$logfile_stats" = "true"; then
  CFLAGS="-D_SPF_LOGFILE_STATS $CFLAGS"
fi


#-------------------------------------------------------------------------------
# Check whether to enable a memset after each malloc 
#-------------------------------------------------------------------------------

rfc_recursion=false
AC_MSG_CHECKING(whether to abide by the RFC as regards recursiveness)
AC_ARG_ENABLE(rfc_recursion,
[  --enable-rfc-recursion    Change SPF recursion to 20 (as per RFC) (default=no)],
[case "${enableval}" in
  yes)
    rfc_recursion=true
    AC_MSG_RESULT(yes)
    ;;
  no)
    rfc_recursion=false
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_ERROR(bad value ${enableval} for --enable-rfc-recursion)
    ;;
esac],
[rfc_recursion=false
AC_MSG_RESULT(no)])

if test "$rfc_recursion" = "true"; then
  CFLAGS="-D_RFC_RECURSION $CFLAGS"
  AC_MSG_WARN(=== THE INTERNET IS FULL OF ILLITERATE AND LAZY PEOPLE ===)
  sleep 1
  AC_MSG_WARN(=== MANY OF WHOM CAN NOT PUBLISH A VALID SPF RECORD TO ===)
  sleep 1
  AC_MSG_WARN(=== SAVE THEIR LIFE.  MANY OF SUCH INDIVIDUALS OFTEN   ===)
  sleep 1
  AC_MSG_WARN(=== LINK RECORDS TOGETHER FORMING A RECURSIVE PARSING  ===)
  sleep 1
  AC_MSG_WARN(=== LOOP.  YOU HAVE BEEN WARNED. THE RFC STATES THAT   ===)
  sleep 1
  AC_MSG_WARN(=== SPF PARSERS MUST SUPPORT AT LEAST TWENTY LEVELS OF ===)
  sleep 1
  AC_MSG_WARN(=== RECURSION.  THIS HAS PROVEN TO BE POINTLESS GIVEN  ===)
  sleep 1
  AC_MSG_WARN(=== GIVEN THE ABUNDANCE OF STUPIDITY PREVALENT ON THE  ===)
  sleep 1
  AC_MSG_WARN(=== INTERNET.  YOU HAVE BEEN WARNED!!                  ===)
  sleep 5 
fi
  

#-------------------------------------------------------------------------------
# Check whether to enable a memset after each malloc 
#-------------------------------------------------------------------------------

paranoid_malloc=true
AC_MSG_CHECKING(whether to memset after every malloc (paranoid malloc)?)
AC_ARG_ENABLE(paranoid_malloc,
[  --enable-paranoid-malloc  Enables a memset of every malloc to NULL (default=yes)],
[case "${enableval}" in
  yes)
    paranoid_malloc=true
    AC_MSG_RESULT(yes)
    ;;
  no)
    paranoid_malloc=false
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_ERROR(bad value ${enableval} for --enable-paranoid-malloc)
    ;;
esac],
[paranoid_malloc=true
AC_MSG_RESULT(yes)])

if test "$paranoid_malloc" = "true"; then
  CFLAGS="-D_WITH_PARANOID_MALLOC $CFLAGS"
fi


#-------------------------------------------------------------------------------
# Check whether to enable res_search behaviour instead of RFC821/2821 required
# res_query behaviour.  See Debian bug tracking list thread:
# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=297060 for more information.
#-------------------------------------------------------------------------------

res_search=false
AC_MSG_CHECKING(whether to use res_search instead of res_query?)
AC_ARG_ENABLE(res_search,
[  --enable-res_search       Enables DNS queries to follow default and search rules (default=no)],
[case "${enableval}" in
  yes)
    res_search=true
    AC_MSG_RESULT(yes)
    ;;
  no)
    res_search=false
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_ERROR(bad value ${enableval} for --enable-res_search)
    ;;
esac],
[res_search=false
AC_MSG_RESULT(no)])

if test "$res_search" = "true"; then 
  CFLAGS="-D_WITH_RES_SEARCH $CFLAGS"
fi


#-------------------------------------------------------------------------------
# Check to see if we should build libSPF Query Tool
#-------------------------------------------------------------------------------

AC_MSG_CHECKING(whether to disable build the libSPF Query Tool?)
AC_ARG_ENABLE(spfqtool,
[  --disable-spfqtool        Disables compilation of the libSPF Query Tool (default=no)],
[case "${enableval}" in
  yes)
    spfqtool=true
    AC_MSG_RESULT(yes)
    ;;
  no)
    spfqtool=false
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_ERROR(bad value ${enableval} for --disable-spfqtool)
    ;;
esac],
[spfqtool=false
AC_MSG_RESULT(no)])

if test "$spfqtool" = "true"; then
  LIBSPF_BUILD_DIRS="libspf"
fi
#AC_SUBST(LIBSPF_BUILD_DIRS)


#-------------------------------------------------------------------------------
# Check to see if we want to enable pthreads (gethostbyname_r)
# For now, --enable-pthreads just happens to activate our internal
# _DNS_gethostbyname_r reentrant wrapper to gethostbyname unless
# gethostbyname_r is available (GNU extention) then the wrapper will
# be around that instead and won't use the mutex
#-------------------------------------------------------------------------------

AC_MSG_CHECKING(whether to compile with reentrant capabilities)
AC_ARG_ENABLE(pthreads,
[  --enable-pthreads         Enables reentrant (thread-safe) library (default=no)],
[case "${enableval}" in
  yes)
    pthreads=true
    AC_MSG_RESULT(yes)
    ;;
  no)
    pthreads=false
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_ERROR(bad value ${enableval} for --enable-pthreads)
    ;;
esac],
[pthreads=false
AC_MSG_RESULT(no)])

if test "$pthreads" = "true"; then

  AC_CHECK_HEADERS(pthread.h)
  if test "x-$ac_cv_header_pthread_h" = "x-yes"; then
    AC_DEFINE(HAVE_PTHREAD_H)
    CFLAGS="-D_WITH_PTHREADS -D_REENTRANT $CFLAGS"

    case "$host" in
      *-*-freebsd*)
        AC_MSG_WARN([Hey we are FreeBSD we can be all HOMO and DIFFERENT!])
        LIBSPF_PTHREADS_LIB="-pthread"
        ;;
      *)
        LIBSPF_PTHREADS_LIB="-lpthread" 
        ;;
    esac
  fi

  AC_CHECK_FUNCS(gethostbyname_r)
  if test "x-$ac_cv_func_gethostbyname_r" = "x-yes"; then
    AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  else
    AC_MSG_WARN([GNU gethostbyname_r not found, using internal wrapper])
  fi
  
else

  LIBSPF_PTHREADS_LIB="" 
  pthreads=false
  
fi
AC_SUBST(LIBSPF_PTHREADS_LIB)


#-------------------------------------------------------------------------------
# Check to see if we should build Sendmail SPF milter and perform the pthreads
# check again and in the event it wasn't specified (its required) or it failed,
# we will catch it (and enable it if successful) here.
#-------------------------------------------------------------------------------

AC_MSG_CHECKING(whether to build the Sendmail SPF milter?)
AC_ARG_ENABLE(spfmilter,
[  --enable-spfmilter        Enables compilation of the Sendmail SPF milter (default=no)],
[case "${enableval}" in
  yes)
    spfmilter=true
    AC_MSG_RESULT(yes)
    ;;
  no)
    spfmilter=false
    AC_MSG_RESULT(no)
    ;;
  *)
    AC_MSG_ERROR(bad value ${enableval} for --enable-spfmilter)
    ;;
esac],
[spfmilter=false
AC_MSG_RESULT(no)])

if test "$pthreads" = "false"; then
  if test "$spfmilter" = "true"; then
    AC_MSG_ERROR([pthreads is required, please re-configure with --enable-pthreads])
  fi
fi
  
if test "$spfmilter" = "true"; then
  LIBSPF_BUILD_DIRS="$LIBSPF_BUILD_DIRS spfmilter"
  echo "--------------------------------------------------------------------------------"
  sleep 1
  echo "                       spfmilter - SPF mail filter module"
  echo ""
  echo "                   Originally by Jef Poskanzer <jef@acme.com>"
  echo ""
  echo " Sendmail includes a facility for plugging in custom mail filters,"
  echo " called milters.  It's documented here: http://www.milter.org/milter_api/"
  echo ""
  echo " See the manual entry (man spfmilter) or the README for more details."
  echo ""
  echo " Jef Poskanzer is the original author of this spfmilter."
  echo ""
  echo " This version and future versions of this spfmilter as bundled within libSPF"
  echo " will be supported by the libSPF development team."
  echo ""
  echo " DO NOT REPORT PROBLEMS WITH THIS SPFMILTER TO JEF AS IT IS NOT FAIR TO ASK"
  echo " HIM TO SUPPORT MULTIPLE VERSIONS OF HIS MILTER AFTER WE HAVE MODIFIED IT"
  echo ""
  echo " Send bugs to: James Couzens <jcouzens@codeshare.ca>"
  echo ""
  echo "--------------------------------------------------------------------------------"
  sleep 3 
  echo ""


#-------------------------------------------------------------------------------
# getpwuid (pwd.h)
#-------------------------------------------------------------------------------

AC_MSG_CHECKING([getpwuid])
use_getpwuid=no
AC_CHECK_FUNC(getpwuid,use_getpwuid=yes,[AC_CHECK_FUNC(getpwuid)])
  if test "x$use_getpwuid" = "xyes"; then
    AC_DEFINE([HAVE_PWD_H], [], [Have pwd.h])
  else
    AC_MSG_ERROR(Can not continue without pwd.h do you really have it?)
  fi


#-------------------------------------------------------------------------------
# setgroups (grp.h) 
#-------------------------------------------------------------------------------

AC_MSG_CHECKING([setgroups])
use_setgroups=no
AC_CHECK_FUNC(setgroups,use_setgroups=yes,[AC_CHECK_FUNC(setgroups)])
  if test "x$use_setgroups" = "xyes"; then
    AC_DEFINE([HAVE_GRP_H], [], [Have pwd.h])
  else
    AC_MSG_ERROR(Can not continue without grp.h do you really have it?)
  fi
fi
AC_SUBST(LIBSPF_BUILD_DIRS)


#-------------------------------------------------------------------------------
# Enable compiler full-optimizations which lead to greater performance
#-------------------------------------------------------------------------------

if test "$debug" = "false"; then

  AC_MSG_CHECKING(whether I should enable full optimizations)
  AC_ARG_ENABLE(full_optimizations,
  [  --enable-full-optimizations  Enables building of an optimized library (default=no)],
  [case "${enableval}" in
    yes) 
      full_optimizations=true
      AC_MSG_RESULT(yes)
      ;;
    no)
      full_optimizations=false
      AC_MSG_RESULT(no)
      ;;
    *)
      AC_MSG_ERROR(bad value ${enableval} for --enable-full-optimizations)
      ;;
  esac],
  [full_optimizations=false
  AC_MSG_RESULT(no)])

  if test "$full_optimizations" = "true"; then
    if [[ "x$GCCVER" != "xno" ]]; then
      AC_MSG_RESULT(yes, however this option is deprecated!)
      #CFLAGS="$CFLAGS -O2 -pipe -funroll-loops -ffast-math -ftracer -fweb"
      #CFLAGS="$CFLAGS -O3 -ffast-math -fomit-frame-pointer"
    fi
  fi
fi


#-------------------------------------------------------------------------------
# Generate Makefiles 
#-------------------------------------------------------------------------------

AC_OUTPUT( \
  Makefile \
  src/Makefile \
  src/libspf/Makefile \
  src/spfqtool/Makefile \
  src/libspf/spf.h \
  src/libspf/util.c \
  dnl src/spfmilter/Makefile \
)
#AC_OUTPUT(src/Makefile)
#AC_OUTPUT(src/libspf/Makefile)
#AC_OUTPUT(src/spfqtool/Makefile)
#AC_OUTPUT(src/libspf/spf.h)
#AC_OUTPUT(src/libspf/util.c)
#AC_OUTPUT(src/spfmilter/Makefile)

echo ""
echo ""
echo "           oooo   o8o   .o8        .oooooo..o ooooooooo.   oooooooooooo         "
echo "           \`888   \`\"'  \"888       d8P'    \`Y8 \`888   \`Y88. \`888'     \`8         "
echo "            888  oooo   888oooo.  Y88bo.       888   .d88'  888                 "
echo "            888  \`888   d88' \`88b  \`\"Y8888o.   888ooo88P'   888oooo8            "
echo "            888   888   888   888      \`\"Y88b  888          888   \"            "
echo "            888   888   888   888 oo     .d8P  888          888                 "
echo "           o888o o888o  \`Y8bod8P' 8\"\"88888P'  o888o        o888o                "
echo "--------------------------------------------------------------------------------"
echo "                              $PACKAGE $VERSION                                 "
echo "            An ANSI C Implementation of the Sender Policy Framework             "
echo "--------------------------------------------------------------------------------"
echo ""
echo " ./CHANGELOG ............ List of documented changed between versions"
echo " ./docs ................. Excellent API and integration Documentation"
echo " ./examples ............. Examples of how to implement"
echo " ./FAQ .................. Frequently Asked Questions (and Answers :-) )"
echo " ./LICENSE .............. Terms under which libSPF is licensed"
echo " ./README ............... A Quick and Excellent rundown of basic information"
echo " ./TODO ................. Things planned for future releases that are 'To Do'"
echo " ./VERSION .............. Version of thie release"
echo " ./bin .................. Static & Dyn. versions of the libSPF Query Tool"
echo " ./libspf.kateproject ... KDE's excellent IDE 'kate' Project File"
echo " ./patches .............. MTA Patches"
echo " ./src .................. Its not the Swartz, but it will have to do ;)"
echo ""
echo "--------------------------------------------------------------------------------"
sleep 2 
echo ""
echo " There are complete HOWTOs (or walkthru) documents within the 'Docs' dir for"
echo " the MTA's this library supports."
echo ""
echo " Commercial developers looking to integrate libSPF, there is no cost!  If you"
echo " require assistance (free) please contact <developers@codeshare.ca>"
echo ""
echo " Website ................................ http://libSPF.org"
echo " Forums ................................. http://forums.6o4.ca"
echo " Contact ................................ jcouzens@codeshare.ca"
echo ""
echo "--------------------------------------------------------------------------------"
sleep 1 
echo ""


if test "$debug" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable Debugging ........................................... "$tmp""


if test "$debug_logfile" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable Debugging output to logfile (/var/log/spf.log) ...... "$tmp""


if test "$logfile_stats" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable SPF logging statistics to /var/log/spflog.txt ....... "$tmp""


if test "$full_optimizations" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable compilation of an optimized library ................. "$tmp""


if test "$rfc_recursion" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable RFC recursion during SPF checks ..................... "$tmp""


if test "$res_search" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable DNS queries to follow 'default' and 'search' rules .. "$tmp""


if test "$paranoid_malloc" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable memset to NULL after each malloc .................... "$tmp""


if test "$spfqtool" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Disable build of SPF Query Tool ............................ "$tmp""


if test "$libresolv" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable use of libresolv resolver ........................... "$tmp""


if test "$spfmilter" = "true"; then
  tmp="ON"
else 
  tmp="OFF"
fi
echo " Enable use of Sendmail spfmilter ........................... "$tmp""


if test "$libbind" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable use of libbind resolver ............................. "$tmp""


if test "$pthreads" = "true"; then
  tmp="ON"
else
  tmp="OFF"
fi
echo " Enable use of pthreads (gethostbyname_r) ................... "$tmp""


echo ""
echo " libSPF Query tool binaries are in the new 'bin' dir in the libSPF root"
echo " libSPF Milter binaries are in the new 'bin; dir also"
echo ""
echo " libSPF libraries are in the new 'lib' dir in the libSPF root"
echo ""
echo " libSPF Milter rc scripts and docs are in 'src/spfmilter/rc_scripts'"
echo "--------------------------------------------------------------------------------"
echo ""

# end of configure.in