dnl file will include it directly. No need for fuzzy HAVE_STDINT_H things...
dnl
dnl @, (status: used on new platforms) (see http://ac-archive.sf.net/gstdint/)
-dnl @version $Id: acinclude.m4i,v 1.1.2.5.8.3 2004/04/29 20:47:22 martinea Exp $
+dnl @version Id: ax_create_stdint_h.m4,v 1.5 2005/01/06 18:27:27 guidod Exp
dnl @author Guido Draheim <guidod@gmx.de>
+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],[$1],[stdint.h inttypes.h sys/inttypes.h]) ; do
+ unset ac_cv_type_uintptr_t
+ unset ac_cv_type_uint64_t
+ AC_CHECK_TYPE(uintptr_t,[ac_cv_header_stdint_x=$i],continue,[#include <$i>])
+ AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>])
+ m4_ifvaln([$1],[$1]) 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],[$1],[inttypes.h sys/inttypes.h stdint.h]) ; do
+ unset ac_cv_type_uint32_t
+ unset ac_cv_type_uint64_t
+ AC_CHECK_TYPE(uint32_t,[ac_cv_header_stdint_o=$i],continue,[#include <$i>])
+ AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>])
+ m4_ifvaln([$1],[$1]) 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([$1],[$1]) break
+ break;
+ done
+ AC_MSG_CHECKING([for stdint u_int32_t])
+ ])
+])
+
AC_DEFUN([AX_CREATE_STDINT_H],
[# ------ AX CREATE STDINT H -------------------------------------
AC_MSG_CHECKING([for stdint types])
if test "_$ac_cv_header_stdint_t" = "_" ; then # can not shortcircuit..
dnl .....intro message done, now do a few system checks.....
-dnl btw, all CHECK_TYPE macros do automatically "DEFINE" a type, therefore
-dnl we use the autoconf implementation detail _AC CHECK_TYPE_NEW instead
+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)"
-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 stdint.h inttypes.h sys/inttypes.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 <$i>])
- AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>])
- ac_cv_stdint_result="(seen uintptr_t$and64 in $i)"
- break;
- done
- AC_MSG_CHECKING([for stdint uintptr_t])
- ])
+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
-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 inttypes.h sys/inttypes.h 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 <$i>])
- AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>])
- ac_cv_stdint_result="(seen uint32_t$and64 in $i)"
- break;
- done
- AC_MSG_CHECKING([for stdint uint32_t])
- ])
+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
-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 sys/types.h inttypes.h sys/inttypes.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 <$i>])
- AC_CHECK_TYPE(u_int64_t,[and64="/u_int64_t"],[and64=""],[#include<$i>])
- ac_cv_stdint_result="(seen u_int32_t$and64 in $i)"
- break;
- done
- AC_MSG_CHECKING([for stdint u_int32_t])
- ])
+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([(..)])
- AC_CHECK_SIZEOF(char)
- AC_CHECK_SIZEOF(short)
- AC_CHECK_SIZEOF(int)
- AC_CHECK_SIZEOF(long)
- AC_CHECK_SIZEOF(void*)
- ac_cv_stdint_char_model=""
- ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_char"
- ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_short"
- ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_int"
- ac_cv_stdint_long_model=""
- ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_int"
- ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_long"
- ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_voidp"
- name="$ac_cv_stdint_long_model"
- case "$ac_cv_stdint_char_model/$ac_cv_stdint_long_model" in
- 122/242) name="$name, IP16 (standard 16bit machine)" ;;
- 122/244) name="$name, LP32 (standard 32bit mac/win)" ;;
- 122/*) name="$name (unusual int16 model)" ;;
- 124/444) name="$name, ILP32 (standard 32bit unixish)" ;;
- 124/488) name="$name, LP64 (standard 64bit unixish)" ;;
- 124/448) name="$name, LLP64 (unusual 64bit unixish)" ;;
- 124/*) name="$name (unusual int32 model)" ;;
- 128/888) name="$name, ILP64 (unusual 64bit numeric)" ;;
- 128/*) name="$name (unusual int64 model)" ;;
- 222/*|444/*) name="$name (unusual dsptype)" ;;
- *) name="$name (very unusal model)" ;;
- esac
- AC_MSG_RESULT([combined for stdint datatype model... $name])
+ AX_CHECK_DATA_MODEL
fi
if test "_$ac_cv_header_stdint_x" != "_" ; then
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)
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
-fi
+echo "#include <stdint.h>" >>$ac_stdint
+echo "#endif" >>$ac_stdint
+echo "#endif" >>$ac_stdint
+else
cat >>$ac_stdint <<STDINT_EOF
echo "" >>$ac_stdint
echo "/* which type model has been detected */" >>$ac_stdint
-if test "_$ac_cv_stdint_char_model" != "_" ; then
-echo "#define _STDINT_CHAR_MODEL" "$ac_cv_stdint_char_model" >>$ac_stdint
-echo "#define _STDINT_LONG_MODEL" "$ac_cv_stdint_long_model" >>$ac_stdint
+if test "_$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
/* .. 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;
/* 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
+#define _HAVE_UINT64_T
typedef long int64_t;
typedef unsigned long uint64_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
#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_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="$ac_cv_type_u_int64_t"
-ac_cv_stdint_char_model="$ac_cv_stdint_char_model"
-ac_cv_stdint_long_model="$ac_cv_stdint_long_model"
+ac_cv_char_data_model="$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"
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