AX_CREATE_STDINT_H [( HEADER-TO-GENERATE [, HEDERS-TO-CHECK])]
, 

2003-12-07

Guido U. Draheim <guidod@gmx.de>

GPLWithACException
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation. As a special exception, the respective Autoconf Macro's copyright owner gives unlimited permission to copy, distribute and modify the configure scripts that are the output of Autoconf when processing the Macro. You need not follow the terms of the GNU General Public License when using or distributing such scripts

guidod's C Support (released)

the "ISO C9X: 7.18 Integer types <stdint.h>" section requires the existence of an include file <stdint.h> that defines a set of typedefs, especially uint8_t,int32_t,uintptr_t. Many older installations will not provide this file, but some will have the very same definitions in <inttypes.h>. In other enviroments we can use the inet-types in <sys/types.h> which would define the typedefs int8_t and u_int8_t respectivly.

This macros will create a local "_stdint.h" or the headerfile given as an argument. In many cases that file will just "#include <stdint.h>" or "#include <inttypes.h>", while in other environments it will provide the set of basic 'stdint's definitions/typedefs:

 int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,intptr_t,uintptr_t
 int_least32_t.. int_fast32_t.. intmax_t

which may or may not rely on the definitions of other files, or using the AC_CHECK_SIZEOF macro to determine the actual sizeof each type.

if your header files require the stdint-types you will want to create an installable file mylib-int.h that all your other installable header may include. So if you have a library package named "mylib", just use

    AX_CREATE_STDINT_H(mylib-int.h)

in configure.ac and go to install that very header file in Makefile.am along with the other headers (mylib.h) - and the mylib-specific headers can simply use "#include <mylib-int.h>" to obtain the stdint-types.

Remember, if the system already had a valid <stdint.h>, the generated file will include it directly. No need for fuzzy HAVE_STDINT_H things... (oops, GCC 4.2.x has deliberatly disabled its stdint.h for non-c99 compilation and the c99-mode is not the default. Therefore this macro will not use the compiler's stdint.h - please complain to the GCC developers).

AC_DEFUN([AX_CHECK_DATA_MODEL],[
   AC_CHECK_SIZEOF(char)
   AC_CHECK_SIZEOF(short)
   AC_CHECK_SIZEOF(int)
   AC_CHECK_SIZEOF(long)
   AC_CHECK_SIZEOF(void*)
   ac_cv_char_data_model=""
   ac_cv_char_data_model="$ac_cv_char_data_model$ac_cv_sizeof_char"
   ac_cv_char_data_model="$ac_cv_char_data_model$ac_cv_sizeof_short"
   ac_cv_char_data_model="$ac_cv_char_data_model$ac_cv_sizeof_int"
   ac_cv_long_data_model=""
   ac_cv_long_data_model="$ac_cv_long_data_model$ac_cv_sizeof_int"
   ac_cv_long_data_model="$ac_cv_long_data_model$ac_cv_sizeof_long"
   ac_cv_long_data_model="$ac_cv_long_data_model$ac_cv_sizeof_voidp"
   AC_MSG_CHECKING([data model])
   case "$ac_cv_char_data_model/$ac_cv_long_data_model" in
    122/242)     ac_cv_data_model="IP16"  ; n="standard 16bit machine" ;;
    122/244)     ac_cv_data_model="LP32"  ; n="standard 32bit machine" ;;
    122/*)       ac_cv_data_model="i16"   ; n="unusual int16 model" ;;
    124/444)     ac_cv_data_model="ILP32" ; n="standard 32bit unixish" ;;
    124/488)     ac_cv_data_model="LP64"  ; n="standard 64bit unixish" ;;
    124/448)     ac_cv_data_model="LLP64" ; n="unusual 64bit unixish" ;;
    124/*)       ac_cv_data_model="i32"   ; n="unusual int32 model" ;;
    128/888)     ac_cv_data_model="ILP64" ; n="unusual 64bit numeric" ;;
    128/*)       ac_cv_data_model="i64"   ; n="unusual int64 model" ;;
    222/*2)      ac_cv_data_model="DSP16" ; n="strict 16bit dsptype" ;;
    333/*3)      ac_cv_data_model="DSP24" ; n="strict 24bit dsptype" ;;
    444/*4)      ac_cv_data_model="DSP32" ; n="strict 32bit dsptype" ;;
    666/*6)      ac_cv_data_model="DSP48" ; n="strict 48bit dsptype" ;;
    888/*8)      ac_cv_data_model="DSP64" ; n="strict 64bit dsptype" ;;
    222/*|333/*|444/*|666/*|888/*) :
                 ac_cv_data_model="iDSP"  ; n="unusual dsptype" ;;
     *)          ac_cv_data_model="none"  ; n="very unusual model" ;;
   esac
   AC_MSG_RESULT([$ac_cv_data_model ($ac_cv_long_data_model, $n)])
])

dnl AX_CHECK_HEADER_STDINT_X([HEADERLIST][,ACTION-IF])
AC_DEFUN([AX_CHECK_HEADER_STDINT_X],[
AC_CACHE_CHECK([for stdint uintptr_t], [ac_cv_header_stdint_x],[
 ac_cv_header_stdint_x="" # the 1997 typedefs (inttypes.h)
  AC_MSG_RESULT([(..)])
  for i in m4_ifval([$1],[$1],[stdint.h inttypes.h sys/inttypes.h sys/types.h])
  do
   unset ac_cv_type_uintptr_t
   unset ac_cv_type_uint64_t
   AC_CHECK_TYPE(uintptr_t,[ac_cv_header_stdint_x=$i],continue,[#include <$i>])
   AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>])
   m4_ifvaln([$2],[$2]) break
  done
  AC_MSG_CHECKING([for stdint uintptr_t])
 ])
])

AC_DEFUN([AX_CHECK_HEADER_STDINT_O],[
AC_CACHE_CHECK([for stdint uint32_t], [ac_cv_header_stdint_o],[
 ac_cv_header_stdint_o="" # the 1995 typedefs (sys/inttypes.h)
  AC_MSG_RESULT([(..)])
  for i in m4_ifval([$1],[$1],[inttypes.h sys/inttypes.h sys/types.h stdint.h])
  do
   unset ac_cv_type_uint32_t
   unset ac_cv_type_uint64_t
   AC_CHECK_TYPE(uint32_t,[ac_cv_header_stdint_o=$i],continue,[#include <$i>])
   AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>])
   m4_ifvaln([$2],[$2]) break
   break;
  done
  AC_MSG_CHECKING([for stdint uint32_t])
 ])
])

AC_DEFUN([AX_CHECK_HEADER_STDINT_U],[
AC_CACHE_CHECK([for stdint u_int32_t], [ac_cv_header_stdint_u],[
 ac_cv_header_stdint_u="" # the BSD typedefs (sys/types.h)
  AC_MSG_RESULT([(..)])
  for i in m4_ifval([$1],[$1],[sys/types.h inttypes.h sys/inttypes.h]) ; do
   unset ac_cv_type_u_int32_t
   unset ac_cv_type_u_int64_t
   AC_CHECK_TYPE(u_int32_t,[ac_cv_header_stdint_u=$i],continue,[#include <$i>])
   AC_CHECK_TYPE(u_int64_t,[and64="/u_int64_t"],[and64=""],[#include<$i>])
   m4_ifvaln([$2],[$2]) break
   break;
  done
  AC_MSG_CHECKING([for stdint u_int32_t])
 ])
])

AC_DEFUN([AX_CREATE_STDINT_H],
[# ------ AX CREATE STDINT H -------------------------------------
AC_MSG_CHECKING([for stdint types])
ac_stdint_h=`echo ifelse($1, , _stdint.h, $1)`
# try to shortcircuit - if the default include path of the compiler
# can find a "stdint.h" header then we assume that all compilers can.
AC_CACHE_VAL([ac_cv_header_stdint_t],[
old_CXXFLAGS="$CXXFLAGS" ; CXXFLAGS=""
old_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS=""
old_CFLAGS="$CFLAGS"     ; CFLAGS=""
AC_TRY_COMPILE([#include <stdint.h>],[int_least32_t v = 0;],
[ac_cv_stdint_result="(assuming C99 compatible system)"
 ac_cv_header_stdint_t="stdint.h"; ],
[ac_cv_header_stdint_t=""])
if test "$GCC" = "yes" && test ".$ac_cv_header_stdint_t" = "."; then 
CFLAGS="-std=c99"
AC_TRY_COMPILE([#include <stdint.h>],[int_least32_t v = 0;],
[AC_MSG_WARN(your GCC compiler has a defunct stdint.h for its default-mode)])
fi
CXXFLAGS="$old_CXXFLAGS"
CPPFLAGS="$old_CPPFLAGS"
CFLAGS="$old_CFLAGS" ])

v="... $ac_cv_header_stdint_h"
if test "$ac_stdint_h" = "stdint.h" ; then
 AC_MSG_RESULT([(are you sure you want them in ./stdint.h?)])
elif test "$ac_stdint_h" = "inttypes.h" ; then
 AC_MSG_RESULT([(are you sure you want them in ./inttypes.h?)])
elif test "_$ac_cv_header_stdint_t" = "_" ; then
 AC_MSG_RESULT([(putting them into $ac_stdint_h)$v])
else
 ac_cv_header_stdint="$ac_cv_header_stdint_t"
 AC_MSG_RESULT([$ac_cv_header_stdint (shortcircuit)])
fi

if test "_$ac_cv_header_stdint_t" = "_" ; then # can not shortcircuit..

dnl .....intro message done, now do a few system checks.....
dnl btw, all old CHECK_TYPE macros do automatically "DEFINE" a type,
dnl therefore we use the autoconf implementation detail CHECK_TYPE_NEW
dnl instead that is triggered with 3 or more arguments (see types.m4)

inttype_headers=`echo $2 | sed -e 's/,/ /g'`

ac_cv_stdint_result="(no helpful system typedefs seen)"
AX_CHECK_HEADER_STDINT_X(dnl
   stdint.h inttypes.h sys/inttypes.h $inttype_headers,
   ac_cv_stdint_result="(seen uintptr_t$and64 in $i)")

if test "_$ac_cv_header_stdint_x" = "_" ; then
AX_CHECK_HEADER_STDINT_O(dnl,
   inttypes.h sys/inttypes.h stdint.h $inttype_headers,
   ac_cv_stdint_result="(seen uint32_t$and64 in $i)")
fi

if test "_$ac_cv_header_stdint_x" = "_" ; then
if test "_$ac_cv_header_stdint_o" = "_" ; then
AX_CHECK_HEADER_STDINT_U(dnl,
   sys/types.h inttypes.h sys/inttypes.h $inttype_headers,
   ac_cv_stdint_result="(seen u_int32_t$and64 in $i)")
fi fi

dnl if there was no good C99 header file, do some typedef checks...
if test "_$ac_cv_header_stdint_x" = "_" ; then
   AC_MSG_CHECKING([for stdint datatype model])
   AC_MSG_RESULT([(..)])
   AX_CHECK_DATA_MODEL
fi

if test "_$ac_cv_header_stdint_x" != "_" ; then
   ac_cv_header_stdint="$ac_cv_header_stdint_x"
elif  test "_$ac_cv_header_stdint_o" != "_" ; then
   ac_cv_header_stdint="$ac_cv_header_stdint_o"
elif  test "_$ac_cv_header_stdint_u" != "_" ; then
   ac_cv_header_stdint="$ac_cv_header_stdint_u"
else
   ac_cv_header_stdint="stddef.h"
fi

AC_MSG_CHECKING([for extra inttypes in chosen header])
AC_MSG_RESULT([($ac_cv_header_stdint)])
dnl see if int_least and int_fast types are present in _this_ header.
unset ac_cv_type_int_least32_t
unset ac_cv_type_int_fast32_t
AC_CHECK_TYPE(int_least32_t,,,[#include <$ac_cv_header_stdint>])
AC_CHECK_TYPE(int_fast32_t,,,[#include<$ac_cv_header_stdint>])
AC_CHECK_TYPE(intmax_t,,,[#include <$ac_cv_header_stdint>])

fi # shortcircut to system "stdint.h"
# ------------------ PREPARE VARIABLES ------------------------------
if test "$GCC" = "yes" ; then
ac_cv_stdint_message="using gnu compiler "`$CC --version | head -1`
else
ac_cv_stdint_message="using $CC"
fi

AC_MSG_RESULT([make use of $ac_cv_header_stdint in $ac_stdint_h dnl
$ac_cv_stdint_result])

dnl -----------------------------------------------------------------
# ----------------- DONE inttypes.h checks START header -------------
AC_CONFIG_COMMANDS([$ac_stdint_h],[
AC_MSG_NOTICE(creating $ac_stdint_h : $_ac_stdint_h)
ac_stdint=$tmp/_stdint.h

echo "#ifndef" $_ac_stdint_h >$ac_stdint
echo "#define" $_ac_stdint_h "1" >>$ac_stdint
echo "#ifndef" _GENERATED_STDINT_H >>$ac_stdint
echo "#define" _GENERATED_STDINT_H '"'$PACKAGE $VERSION'"' >>$ac_stdint
echo "/* generated $ac_cv_stdint_message */" >>$ac_stdint
if test "_$ac_cv_header_stdint_t" != "_" ; then
echo "#define _STDINT_HAVE_STDINT_H" "1" >>$ac_stdint
echo "#include <stdint.h>" >>$ac_stdint
echo "#endif" >>$ac_stdint
echo "#endif" >>$ac_stdint
else

cat >>$ac_stdint <<STDINT_EOF

/* ................... shortcircuit part ........................... */

#if defined HAVE_STDINT_H || defined _STDINT_HAVE_STDINT_H
#include <stdint.h>
#else
#include <stddef.h>

/* .................... configured part ............................ */

STDINT_EOF

echo "/* whether we have a C99 compatible stdint header file */" >>$ac_stdint
if test "_$ac_cv_header_stdint_x" != "_" ; then
  ac_header="$ac_cv_header_stdint_x"
  echo "#define _STDINT_HEADER_INTPTR" '"'"$ac_header"'"' >>$ac_stdint
else
  echo "/* #undef _STDINT_HEADER_INTPTR */" >>$ac_stdint
fi

echo "/* whether we have a C96 compatible inttypes header file */" >>$ac_stdint
if  test "_$ac_cv_header_stdint_o" != "_" ; then
  ac_header="$ac_cv_header_stdint_o"
  echo "#define _STDINT_HEADER_UINT32" '"'"$ac_header"'"' >>$ac_stdint
else
  echo "/* #undef _STDINT_HEADER_UINT32 */" >>$ac_stdint
fi

echo "/* whether we have a BSD compatible inet types header */" >>$ac_stdint
if  test "_$ac_cv_header_stdint_u" != "_" ; then
  ac_header="$ac_cv_header_stdint_u"
  echo "#define _STDINT_HEADER_U_INT32" '"'"$ac_header"'"' >>$ac_stdint
else
  echo "/* #undef _STDINT_HEADER_U_INT32 */" >>$ac_stdint
fi

echo "" >>$ac_stdint

if test "_$ac_header" != "_" ; then if test "$ac_header" != "stddef.h" ; then
  echo "#include <$ac_header>" >>$ac_stdint
  echo "" >>$ac_stdint
fi fi

echo "/* which 64bit typedef has been found */" >>$ac_stdint
if test "$ac_cv_type_uint64_t" = "yes" ; then
echo "#define   _STDINT_HAVE_UINT64_T" "1"  >>$ac_stdint
else
echo "/* #undef _STDINT_HAVE_UINT64_T */" >>$ac_stdint
fi
if test "$ac_cv_type_u_int64_t" = "yes" ; then
echo "#define   _STDINT_HAVE_U_INT64_T" "1"  >>$ac_stdint
else
echo "/* #undef _STDINT_HAVE_U_INT64_T */" >>$ac_stdint
fi
echo "" >>$ac_stdint

echo "/* which type model has been detected */" >>$ac_stdint
if test "_$ac_cv_char_data_model" != "_" ; then
echo "#define   _STDINT_CHAR_MODEL" "$ac_cv_char_data_model" >>$ac_stdint
echo "#define   _STDINT_LONG_MODEL" "$ac_cv_long_data_model" >>$ac_stdint
else
echo "/* #undef _STDINT_CHAR_MODEL // skipped */" >>$ac_stdint
echo "/* #undef _STDINT_LONG_MODEL // skipped */" >>$ac_stdint
fi
echo "" >>$ac_stdint

echo "/* whether int_least types were detected */" >>$ac_stdint
if test "$ac_cv_type_int_least32_t" = "yes"; then
echo "#define   _STDINT_HAVE_INT_LEAST32_T" "1"  >>$ac_stdint
else
echo "/* #undef _STDINT_HAVE_INT_LEAST32_T */" >>$ac_stdint
fi
echo "/* whether int_fast types were detected */" >>$ac_stdint
if test "$ac_cv_type_int_fast32_t" = "yes"; then
echo "#define   _STDINT_HAVE_INT_FAST32_T" "1" >>$ac_stdint
else
echo "/* #undef _STDINT_HAVE_INT_FAST32_T */" >>$ac_stdint
fi
echo "/* whether intmax_t type was detected */" >>$ac_stdint
if test "$ac_cv_type_intmax_t" = "yes"; then
echo "#define   _STDINT_HAVE_INTMAX_T" "1" >>$ac_stdint
else
echo "/* #undef _STDINT_HAVE_INTMAX_T */" >>$ac_stdint
fi
echo "" >>$ac_stdint

  cat >>$ac_stdint <<STDINT_EOF
/* .................... detections part ............................ */

/* whether we need to define bitspecific types from compiler base types */
#ifndef _STDINT_HEADER_INTPTR
#ifndef _STDINT_HEADER_UINT32
#ifndef _STDINT_HEADER_U_INT32
#define _STDINT_NEED_INT_MODEL_T
#else
#define _STDINT_HAVE_U_INT_TYPES
#endif
#endif
#endif

#ifdef _STDINT_HAVE_U_INT_TYPES
#undef _STDINT_NEED_INT_MODEL_T
#endif

#ifdef  _STDINT_CHAR_MODEL
#if     _STDINT_CHAR_MODEL+0 == 122 || _STDINT_CHAR_MODEL+0 == 124
#ifndef _STDINT_BYTE_MODEL
#define _STDINT_BYTE_MODEL 12
#endif
#endif
#endif

#ifndef _STDINT_HAVE_INT_LEAST32_T
#define _STDINT_NEED_INT_LEAST_T
#endif

#ifndef _STDINT_HAVE_INT_FAST32_T
#define _STDINT_NEED_INT_FAST_T
#endif

#ifndef _STDINT_HEADER_INTPTR
#define _STDINT_NEED_INTPTR_T
#ifndef _STDINT_HAVE_INTMAX_T
#define _STDINT_NEED_INTMAX_T
#endif
#endif


/* .................... definition part ............................ */

/* some system headers have good uint64_t */
#ifndef _HAVE_UINT64_T
#if     defined _STDINT_HAVE_UINT64_T  || defined HAVE_UINT64_T
#define _HAVE_UINT64_T
#elif   defined _STDINT_HAVE_U_INT64_T || defined HAVE_U_INT64_T
#define _HAVE_UINT64_T
typedef u_int64_t uint64_t;
#endif
#endif

#ifndef _HAVE_UINT64_T
/* .. here are some common heuristics using compiler runtime specifics */
#if defined __STDC_VERSION__ && defined __STDC_VERSION__ >= 199901L
#define _HAVE_UINT64_T
#define _HAVE_LONGLONG_UINT64_T
typedef long long int64_t;
typedef unsigned long long uint64_t;

#elif !defined __STRICT_ANSI__
#if defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__
#define _HAVE_UINT64_T
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;

#elif defined __GNUC__ || defined __MWERKS__ || defined __ELF__
/* note: all ELF-systems seem to have loff-support which needs 64-bit */
#if !defined _NO_LONGLONG
#define _HAVE_UINT64_T
#define _HAVE_LONGLONG_UINT64_T
typedef long long int64_t;
typedef unsigned long long uint64_t;
#endif

#elif defined __alpha || (defined __mips && defined _ABIN32)
#if !defined _NO_LONGLONG
typedef long int64_t;
typedef unsigned long uint64_t;
#endif
  /* compiler/cpu type to define int64_t */
#endif
#endif
#endif

#if defined _STDINT_HAVE_U_INT_TYPES
/* 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;

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

#ifdef _STDINT_NEED_INT_MODEL_T
/* we must guess all the basic types. Apart from byte-adressable system, */
/* there a few 32-bit-only dsp-systems that we guard with BYTE_MODEL 8-} */
/* (btw, those nibble-addressable systems are way off, or so we assume) */

dnl   /* have a look at "64bit and data size neutrality" at */
dnl   /* http://unix.org/version2/whatsnew/login_64bit.html */
dnl   /* (the shorthand "ILP" types always have a "P" part) */

#if defined _STDINT_BYTE_MODEL
#if _STDINT_LONG_MODEL+0 == 242
/* 2:4:2 =  IP16 = 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
#elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL == 444
/* 2:4:4 =  LP32 = a 32-bit system derived from a 16-bit */
/* 4:4:4 = ILP32 = 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
#elif _STDINT_LONG_MODEL+0 == 484 || _STDINT_LONG_MODEL+0 == 488
/* 4:8:4 =  IP32 = a 32-bit system prepared for 64-bit    */
/* 4:8:8 =  LP64 = 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
/* this system has a "long" of 64bit */
#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
typedef unsigned long   uint64_t;
typedef          long    int64_t;
#endif
#elif _STDINT_LONG_MODEL+0 == 448
/*      LLP64   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
/* assuming the system has a "long long" */
#ifndef _HAVE_UINT64_T
#define _HAVE_UINT64_T
#define _HAVE_LONGLONG_UINT64_T
typedef unsigned long long uint64_t;
typedef          long long  int64_t;
#endif
#else
#define _STDINT_NO_INT32_T
#endif
#else
#define _STDINT_NO_INT8_T
#define _STDINT_NO_INT32_T
#endif
#endif

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

#if defined _STDINT_NEED_INT_LEAST_T
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
  /* least types */
#endif

#if defined _STDINT_NEED_INT_FAST_T
typedef  int8_t    int_fast8_t;
typedef  int       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 unsigned  uint_fast16_t;
typedef uint32_t  uint_fast32_t;
#ifdef _HAVE_UINT64_T
typedef uint64_t  uint_fast64_t;
#endif
  /* fast types */
#endif

#ifdef _STDINT_NEED_INTMAX_T
#ifdef _HAVE_UINT64_T
typedef  int64_t       intmax_t;
typedef uint64_t      uintmax_t;
#else
typedef          long  intmax_t;
typedef unsigned long uintmax_t;
#endif
#endif

#ifdef _STDINT_NEED_INTPTR_T
#ifndef __intptr_t_defined
#define __intptr_t_defined
/* we encourage using "long" to store pointer values, never use "int" ! */
#if   _STDINT_LONG_MODEL+0 == 242 || _STDINT_LONG_MODEL+0 == 484
typedef  unsigned int   uintptr_t;
typedef           int    intptr_t;
#elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL+0 == 444
typedef  unsigned long  uintptr_t;
typedef           long   intptr_t;
#elif _STDINT_LONG_MODEL+0 == 448 && defined _HAVE_UINT64_T
typedef        uint64_t uintptr_t;
typedef         int64_t  intptr_t;
#else /* matches typical system types ILP32 and LP64 - but not IP16 or LLP64 */
typedef  unsigned long  uintptr_t;
typedef           long   intptr_t;
#endif
#endif
#endif

/* The ISO C99 standard specifies that in C++ implementations these
   should only be defined if explicitly requested.  */
#if !defined __cplusplus || defined __STDC_CONSTANT_MACROS
#ifndef UINT32_C

/* Signed.  */
# define INT8_C(c)      c
# define INT16_C(c)     c
# define INT32_C(c)     c
# ifdef _HAVE_LONGLONG_UINT64_T
#  define INT64_C(c)    c ## L
# else
#  define INT64_C(c)    c ## LL
# endif

/* Unsigned.  */
# define UINT8_C(c)     c ## U
# define UINT16_C(c)    c ## U
# define UINT32_C(c)    c ## U
# ifdef _HAVE_LONGLONG_UINT64_T
#  define UINT64_C(c)   c ## UL
# else
#  define UINT64_C(c)   c ## ULL
# endif

/* Maximal type.  */
# ifdef _HAVE_LONGLONG_UINT64_T
#  define INTMAX_C(c)   c ## L
#  define UINTMAX_C(c)  c ## UL
# else
#  define INTMAX_C(c)   c ## LL
#  define UINTMAX_C(c)  c ## ULL
# endif

  /* literalnumbers */
#endif
#endif

/* These limits are merily those of a two complement byte-oriented system */

/* Minimum of signed integral types.  */
# define INT8_MIN               (-128)
# define INT16_MIN              (-32767-1)
# define INT32_MIN              (-2147483647-1)
# define INT64_MIN              (-__INT64_C(9223372036854775807)-1)
/* Maximum of signed integral types.  */
# define INT8_MAX               (127)
# define INT16_MAX              (32767)
# define INT32_MAX              (2147483647)
# define INT64_MAX              (__INT64_C(9223372036854775807))

/* Maximum of unsigned integral types.  */
# define UINT8_MAX              (255)
# define UINT16_MAX             (65535)
# define UINT32_MAX             (4294967295U)
# define UINT64_MAX             (__UINT64_C(18446744073709551615))

/* Minimum of signed integral types having a minimum size.  */
# define INT_LEAST8_MIN         INT8_MIN
# define INT_LEAST16_MIN        INT16_MIN
# define INT_LEAST32_MIN        INT32_MIN
# define INT_LEAST64_MIN        INT64_MIN
/* Maximum of signed integral types having a minimum size.  */
# define INT_LEAST8_MAX         INT8_MAX
# define INT_LEAST16_MAX        INT16_MAX
# define INT_LEAST32_MAX        INT32_MAX
# define INT_LEAST64_MAX        INT64_MAX

/* Maximum of unsigned integral types having a minimum size.  */
# define UINT_LEAST8_MAX        UINT8_MAX
# define UINT_LEAST16_MAX       UINT16_MAX
# define UINT_LEAST32_MAX       UINT32_MAX
# define UINT_LEAST64_MAX       UINT64_MAX

  /* shortcircuit*/
#endif
  /* once */
#endif
#endif
STDINT_EOF
fi
    if cmp -s $ac_stdint_h $ac_stdint 2>/dev/null; then
      AC_MSG_NOTICE([$ac_stdint_h is unchanged])
    else
      ac_dir=`AS_DIRNAME(["$ac_stdint_h"])`
      AS_MKDIR_P(["$ac_dir"])
      rm -f $ac_stdint_h
      mv $ac_stdint $ac_stdint_h
    fi
],[# variables for create stdint.h replacement
PACKAGE="$PACKAGE"
VERSION="$VERSION"
ac_stdint_h="$ac_stdint_h"
_ac_stdint_h=AS_TR_CPP(_$PACKAGE-$ac_stdint_h)
ac_cv_stdint_message="$ac_cv_stdint_message"
ac_cv_header_stdint_t="$ac_cv_header_stdint_t"
ac_cv_header_stdint_x="$ac_cv_header_stdint_x"
ac_cv_header_stdint_o="$ac_cv_header_stdint_o"
ac_cv_header_stdint_u="$ac_cv_header_stdint_u"
ac_cv_type_uint64_t="$ac_cv_type_uint64_t"
ac_cv_type_u_int64_t="$ac_cv_type_u_int64_t"
ac_cv_char_data_model="$ac_cv_char_data_model"
ac_cv_long_data_model="$ac_cv_long_data_model"
ac_cv_type_int_least32_t="$ac_cv_type_int_least32_t"
ac_cv_type_int_fast32_t="$ac_cv_type_int_fast32_t"
ac_cv_type_intmax_t="$ac_cv_type_intmax_t"
])
])