1dnl AC_NEED_STDINT_H ( HEADER-TO-GENERATE ) 2dnl Copyright 2001-2002 by Dan Fandrich <dan@coneharvesters.com> 3dnl This file may be copied and used freely without restrictions. No warranty 4dnl is expressed or implied. 5dnl 6dnl Look for a header file that defines size-specific integer types like the 7dnl ones recommended to be in stdint.h in the C99 standard (e.g. uint32_t). 8dnl This is a dumbed-down version of the macro of the same name in the file 9dnl ac_need_stdint_h.m4 which is part of the ac-archive, available at 10dnl <URL:http://ac-archive.sourceforge.net/> (also, another macro 11dnl AC_CREATE_STDINT_H by the same author). This version is not as smart, 12dnl but works on older autoconf versions and has a different license. 13 14dnl AX_CHECK_DEFINED_TYPE ( TYPE, FILE, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND ) 15dnl This is similar to _AC_CHECK_TYPE_NEW (a.k.a. new syntax version of 16dnl AC_CHECK_TYPE) in autoconf 2.50 but works on older versions 17AC_DEFUN([AX_CHECK_DEFINED_TYPE], 18[AC_MSG_CHECKING([for $1 in $2]) 19AC_EGREP_CPP(changequote(<<,>>)dnl 20<<(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl 21changequote([,]), [#include <$2>], 22ac_cv_type_$1=yes, ac_cv_type_$1=no)dnl 23AC_MSG_RESULT($ac_cv_type_$1) 24if test $ac_cv_type_$1 = yes; then 25 $3 26else 27 $4 28fi 29]) 30 31dnl Look for a header file that defines size-specific integer types 32AC_DEFUN([AX_NEED_STDINT_H], 33[ 34ac_dir=`AS_DIRNAME(["$1"])` 35if test "$ac_dir" != "$1" && test "$ac_dir" != .; then 36 # The file is in a subdirectory. 37 test ! -d "$ac_dir" && (AS_MKDIR_P(["$ac_dir"])) 38fi 39 40AX_CHECK_DEFINED_TYPE(uint8_t, 41stdint.h, 42[ 43cat > "$1" <<EOF 44/* This file is generated automatically by configure */ 45#include <stdint.h> 46EOF], 47[AX_CHECK_DEFINED_TYPE(uint8_t, 48inttypes.h, 49[cat > "$1" <<EOF 50/* This file is generated automatically by configure */ 51#include <inttypes.h> 52EOF], 53[AX_CHECK_DEFINED_TYPE(uint8_t, 54sys/types.h, 55[cat > "$1" <<EOF 56/* This file is generated automatically by configure */ 57#include <sys/types.h> 58EOF], 59[AX_CHECK_DEFINED_TYPE(u_int8_t, 60sys/types.h, 61[cat > "$1" <<EOF 62/* This file is generated automatically by configure */ 63#ifndef __STDINT_H 64#define __STDINT_H 65#include <sys/types.h> 66typedef u_int8_t uint8_t; 67typedef u_int16_t uint16_t; 68typedef u_int32_t uint32_t; 69EOF 70 71AX_CHECK_DEFINED_TYPE(u_int64_t, 72sys/types.h, 73[cat >> "$1" <<EOF 74typedef u_int64_t uint64_t; 75#endif /*!__STDINT_H*/ 76EOF], 77[cat >> "$1" <<EOF 78/* 64-bit types are not available on this system */ 79/* typedef u_int64_t uint64_t; */ 80#endif /*!__STDINT_H*/ 81EOF]) 82 83], 84[AC_MSG_WARN([I can't find size-specific integer definitions on this system]) 85if test -e "$1" ; then 86 rm -f "$1" 87fi 88])])])])dnl 89]) 90 91AC_DEFUN([AX_CHECK_DATA_MODEL],[ 92 AC_CHECK_SIZEOF(char) 93 AC_CHECK_SIZEOF(short) 94 AC_CHECK_SIZEOF(int) 95 AC_CHECK_SIZEOF(long) 96 AC_CHECK_SIZEOF(void*) 97 ac_cv_char_data_model="" 98 ac_cv_char_data_model="$ac_cv_char_data_model$ac_cv_sizeof_char" 99 ac_cv_char_data_model="$ac_cv_char_data_model$ac_cv_sizeof_short" 100 ac_cv_char_data_model="$ac_cv_char_data_model$ac_cv_sizeof_int" 101 ac_cv_long_data_model="" 102 ac_cv_long_data_model="$ac_cv_long_data_model$ac_cv_sizeof_int" 103 ac_cv_long_data_model="$ac_cv_long_data_model$ac_cv_sizeof_long" 104 ac_cv_long_data_model="$ac_cv_long_data_model$ac_cv_sizeof_voidp" 105 AC_MSG_CHECKING([data model]) 106 case "$ac_cv_char_data_model/$ac_cv_long_data_model" in 107 122/242) ac_cv_data_model="IP16" ; n="standard 16bit machine" ;; 108 122/244) ac_cv_data_model="LP32" ; n="standard 32bit machine" ;; 109 122/*) ac_cv_data_model="i16" ; n="unusual int16 model" ;; 110 124/444) ac_cv_data_model="ILP32" ; n="standard 32bit unixish" ;; 111 124/488) ac_cv_data_model="LP64" ; n="standard 64bit unixish" ;; 112 124/448) ac_cv_data_model="LLP64" ; n="unusual 64bit unixish" ;; 113 124/*) ac_cv_data_model="i32" ; n="unusual int32 model" ;; 114 128/888) ac_cv_data_model="ILP64" ; n="unusual 64bit numeric" ;; 115 128/*) ac_cv_data_model="i64" ; n="unusual int64 model" ;; 116 222/*2) ac_cv_data_model="DSP16" ; n="strict 16bit dsptype" ;; 117 333/*3) ac_cv_data_model="DSP24" ; n="strict 24bit dsptype" ;; 118 444/*4) ac_cv_data_model="DSP32" ; n="strict 32bit dsptype" ;; 119 666/*6) ac_cv_data_model="DSP48" ; n="strict 48bit dsptype" ;; 120 888/*8) ac_cv_data_model="DSP64" ; n="strict 64bit dsptype" ;; 121 222/*|333/*|444/*|666/*|888/*) : 122 ac_cv_data_model="iDSP" ; n="unusual dsptype" ;; 123 *) ac_cv_data_model="none" ; n="very unusual model" ;; 124 esac 125 AC_MSG_RESULT([$ac_cv_data_model ($ac_cv_long_data_model, $n)]) 126]) 127 128dnl AX_CHECK_HEADER_STDINT_X([HEADERLIST][,ACTION-IF]) 129AC_DEFUN([AX_CHECK_HEADER_STDINT_X],[ 130AC_CACHE_CHECK([for stdint uintptr_t], [ac_cv_header_stdint_x],[ 131 ac_cv_header_stdint_x="" # the 1997 typedefs (inttypes.h) 132 AC_MSG_RESULT([(..)]) 133 for i in m4_ifval([$1],[$1],[stdint.h inttypes.h sys/inttypes.h]) ; do 134 unset ac_cv_type_uintptr_t 135 unset ac_cv_type_uint64_t 136 AC_CHECK_TYPE(uintptr_t,[ac_cv_header_stdint_x=$i],continue,[#include <$i>]) 137 AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>]) 138 m4_ifvaln([$1],[$1]) break 139 done 140 AC_MSG_CHECKING([for stdint uintptr_t]) 141 ]) 142]) 143 144AC_DEFUN([AX_CHECK_HEADER_STDINT_O],[ 145AC_CACHE_CHECK([for stdint uint32_t], [ac_cv_header_stdint_o],[ 146 ac_cv_header_stdint_o="" # the 1995 typedefs (sys/inttypes.h) 147 AC_MSG_RESULT([(..)]) 148 for i in m4_ifval([$1],[$1],[inttypes.h sys/inttypes.h stdint.h]) ; do 149 unset ac_cv_type_uint32_t 150 unset ac_cv_type_uint64_t 151 AC_CHECK_TYPE(uint32_t,[ac_cv_header_stdint_o=$i],continue,[#include <$i>]) 152 AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>]) 153 m4_ifvaln([$1],[$1]) break 154 break; 155 done 156 AC_MSG_CHECKING([for stdint uint32_t]) 157 ]) 158]) 159 160AC_DEFUN([AX_CHECK_HEADER_STDINT_U],[ 161AC_CACHE_CHECK([for stdint u_int32_t], [ac_cv_header_stdint_u],[ 162 ac_cv_header_stdint_u="" # the BSD typedefs (sys/types.h) 163 AC_MSG_RESULT([(..)]) 164 for i in m4_ifval([$1],[$1],[sys/types.h inttypes.h sys/inttypes.h]) ; do 165 unset ac_cv_type_u_int32_t 166 unset ac_cv_type_u_int64_t 167 AC_CHECK_TYPE(u_int32_t,[ac_cv_header_stdint_u=$i],continue,[#include <$i>]) 168 AC_CHECK_TYPE(u_int64_t,[and64="/u_int64_t"],[and64=""],[#include<$i>]) 169 m4_ifvaln([$1],[$1]) break 170 break; 171 done 172 AC_MSG_CHECKING([for stdint u_int32_t]) 173 ]) 174]) 175 176AC_DEFUN([AX_CREATE_STDINT_H], 177[# ------ AX CREATE STDINT H ------------------------------------- 178AC_MSG_CHECKING([for stdint types]) 179ac_stdint_h=`echo ifelse($1, , _stdint.h, $1)` 180# try to shortcircuit - if the default include path of the compiler 181# can find a "stdint.h" header then we assume that all compilers can. 182AC_CACHE_VAL([ac_cv_header_stdint_t],[ 183old_CXXFLAGS="$CXXFLAGS" ; CXXFLAGS="" 184old_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS="" 185old_CFLAGS="$CFLAGS" ; CFLAGS="" 186AC_TRY_COMPILE([#include <stdint.h>],[int_least32_t v = 0;], 187[ac_cv_stdint_result="(assuming C99 compatible system)" 188 ac_cv_header_stdint_t="stdint.h"; ], 189[ac_cv_header_stdint_t=""]) 190CXXFLAGS="$old_CXXFLAGS" 191CPPFLAGS="$old_CPPFLAGS" 192CFLAGS="$old_CFLAGS" ]) 193 194v="... $ac_cv_header_stdint_h" 195if test "$ac_stdint_h" = "stdint.h" ; then 196 AC_MSG_RESULT([(are you sure you want them in ./stdint.h?)]) 197elif test "$ac_stdint_h" = "inttypes.h" ; then 198 AC_MSG_RESULT([(are you sure you want them in ./inttypes.h?)]) 199elif test "_$ac_cv_header_stdint_t" = "_" ; then 200 AC_MSG_RESULT([(putting them into $ac_stdint_h)$v]) 201else 202 ac_cv_header_stdint="$ac_cv_header_stdint_t" 203 AC_MSG_RESULT([$ac_cv_header_stdint (shortcircuit)]) 204fi 205 206if test "_$ac_cv_header_stdint_t" = "_" ; then # can not shortcircuit.. 207 208dnl .....intro message done, now do a few system checks..... 209dnl btw, all old CHECK_TYPE macros do automatically "DEFINE" a type, 210dnl therefore we use the autoconf implementation detail CHECK_TYPE_NEW 211dnl instead that is triggered with 3 or more arguments (see types.m4) 212 213inttype_headers=`echo $2 | sed -e 's/,/ /g'` 214 215ac_cv_stdint_result="(no helpful system typedefs seen)" 216AX_CHECK_HEADER_STDINT_X(dnl 217 stdint.h inttypes.h sys/inttypes.h $inttype_headers, 218 ac_cv_stdint_result="(seen uintptr_t$and64 in $i)") 219 220if test "_$ac_cv_header_stdint_x" = "_" ; then 221AX_CHECK_HEADER_STDINT_O(dnl, 222 inttypes.h sys/inttypes.h stdint.h $inttype_headers, 223 ac_cv_stdint_result="(seen uint32_t$and64 in $i)") 224fi 225 226if test "_$ac_cv_header_stdint_x" = "_" ; then 227if test "_$ac_cv_header_stdint_o" = "_" ; then 228AX_CHECK_HEADER_STDINT_U(dnl, 229 sys/types.h inttypes.h sys/inttypes.h $inttype_headers, 230 ac_cv_stdint_result="(seen u_int32_t$and64 in $i)") 231fi fi 232 233dnl if there was no good C99 header file, do some typedef checks... 234if test "_$ac_cv_header_stdint_x" = "_" ; then 235 AC_MSG_CHECKING([for stdint datatype model]) 236 AC_MSG_RESULT([(..)]) 237 AX_CHECK_DATA_MODEL 238fi 239 240if test "_$ac_cv_header_stdint_x" != "_" ; then 241 ac_cv_header_stdint="$ac_cv_header_stdint_x" 242elif test "_$ac_cv_header_stdint_o" != "_" ; then 243 ac_cv_header_stdint="$ac_cv_header_stdint_o" 244elif test "_$ac_cv_header_stdint_u" != "_" ; then 245 ac_cv_header_stdint="$ac_cv_header_stdint_u" 246else 247 ac_cv_header_stdint="stddef.h" 248fi 249 250AC_MSG_CHECKING([for extra inttypes in chosen header]) 251AC_MSG_RESULT([($ac_cv_header_stdint)]) 252dnl see if int_least and int_fast types are present in _this_ header. 253unset ac_cv_type_int_least32_t 254unset ac_cv_type_int_fast32_t 255AC_CHECK_TYPE(int_least32_t,,,[#include <$ac_cv_header_stdint>]) 256AC_CHECK_TYPE(int_fast32_t,,,[#include<$ac_cv_header_stdint>]) 257AC_CHECK_TYPE(intmax_t,,,[#include <$ac_cv_header_stdint>]) 258 259fi # shortcircut to system "stdint.h" 260# ------------------ PREPARE VARIABLES ------------------------------ 261if test "$GCC" = "yes" ; then 262ac_cv_stdint_message="using gnu compiler "`$CC --version | head -1` 263else 264ac_cv_stdint_message="using $CC" 265fi 266 267AC_MSG_RESULT([make use of $ac_cv_header_stdint in $ac_stdint_h dnl 268$ac_cv_stdint_result]) 269 270dnl ----------------------------------------------------------------- 271# ----------------- DONE inttypes.h checks START header ------------- 272AC_CONFIG_COMMANDS([$ac_stdint_h],[ 273AC_MSG_NOTICE(creating $ac_stdint_h : $_ac_stdint_h) 274ac_stdint=$tmp/_stdint.h 275 276echo "#ifndef" $_ac_stdint_h >$ac_stdint 277echo "#define" $_ac_stdint_h "1" >>$ac_stdint 278echo "#ifndef" _GENERATED_STDINT_H >>$ac_stdint 279echo "#define" _GENERATED_STDINT_H '"'$PACKAGE $VERSION'"' >>$ac_stdint 280echo "/* generated $ac_cv_stdint_message */" >>$ac_stdint 281if test "_$ac_cv_header_stdint_t" != "_" ; then 282echo "#define _STDINT_HAVE_STDINT_H" "1" >>$ac_stdint 283echo "#include <stdint.h>" >>$ac_stdint 284echo "#endif" >>$ac_stdint 285echo "#endif" >>$ac_stdint 286else 287 288cat >>$ac_stdint <<STDINT_EOF 289 290/* ................... shortcircuit part ........................... */ 291 292#if defined HAVE_STDINT_H || defined _STDINT_HAVE_STDINT_H 293#include <stdint.h> 294#else 295#include <stddef.h> 296 297/* .................... configured part ............................ */ 298 299STDINT_EOF 300 301echo "/* whether we have a C99 compatible stdint header file */" >>$ac_stdint 302if test "_$ac_cv_header_stdint_x" != "_" ; then 303 ac_header="$ac_cv_header_stdint_x" 304 echo "#define _STDINT_HEADER_INTPTR" '"'"$ac_header"'"' >>$ac_stdint 305else 306 echo "/* #undef _STDINT_HEADER_INTPTR */" >>$ac_stdint 307fi 308 309echo "/* whether we have a C96 compatible inttypes header file */" >>$ac_stdint 310if test "_$ac_cv_header_stdint_o" != "_" ; then 311 ac_header="$ac_cv_header_stdint_o" 312 echo "#define _STDINT_HEADER_UINT32" '"'"$ac_header"'"' >>$ac_stdint 313else 314 echo "/* #undef _STDINT_HEADER_UINT32 */" >>$ac_stdint 315fi 316 317echo "/* whether we have a BSD compatible inet types header */" >>$ac_stdint 318if test "_$ac_cv_header_stdint_u" != "_" ; then 319 ac_header="$ac_cv_header_stdint_u" 320 echo "#define _STDINT_HEADER_U_INT32" '"'"$ac_header"'"' >>$ac_stdint 321else 322 echo "/* #undef _STDINT_HEADER_U_INT32 */" >>$ac_stdint 323fi 324 325echo "" >>$ac_stdint 326 327if test "_$ac_header" != "_" ; then if test "$ac_header" != "stddef.h" ; then 328 echo "#include <$ac_header>" >>$ac_stdint 329 echo "" >>$ac_stdint 330fi fi 331 332echo "/* which 64bit typedef has been found */" >>$ac_stdint 333if test "$ac_cv_type_uint64_t" = "yes" ; then 334echo "#define _STDINT_HAVE_UINT64_T" "1" >>$ac_stdint 335else 336echo "/* #undef _STDINT_HAVE_UINT64_T */" >>$ac_stdint 337fi 338if test "$ac_cv_type_u_int64_t" = "yes" ; then 339echo "#define _STDINT_HAVE_U_INT64_T" "1" >>$ac_stdint 340else 341echo "/* #undef _STDINT_HAVE_U_INT64_T */" >>$ac_stdint 342fi 343echo "" >>$ac_stdint 344 345echo "/* which type model has been detected */" >>$ac_stdint 346if test "_$ac_cv_char_data_model" != "_" ; then 347echo "#define _STDINT_CHAR_MODEL" "$ac_cv_char_data_model" >>$ac_stdint 348echo "#define _STDINT_LONG_MODEL" "$ac_cv_long_data_model" >>$ac_stdint 349else 350echo "/* #undef _STDINT_CHAR_MODEL // skipped */" >>$ac_stdint 351echo "/* #undef _STDINT_LONG_MODEL // skipped */" >>$ac_stdint 352fi 353echo "" >>$ac_stdint 354 355echo "/* whether int_least types were detected */" >>$ac_stdint 356if test "$ac_cv_type_int_least32_t" = "yes"; then 357echo "#define _STDINT_HAVE_INT_LEAST32_T" "1" >>$ac_stdint 358else 359echo "/* #undef _STDINT_HAVE_INT_LEAST32_T */" >>$ac_stdint 360fi 361echo "/* whether int_fast types were detected */" >>$ac_stdint 362if test "$ac_cv_type_int_fast32_t" = "yes"; then 363echo "#define _STDINT_HAVE_INT_FAST32_T" "1" >>$ac_stdint 364else 365echo "/* #undef _STDINT_HAVE_INT_FAST32_T */" >>$ac_stdint 366fi 367echo "/* whether intmax_t type was detected */" >>$ac_stdint 368if test "$ac_cv_type_intmax_t" = "yes"; then 369echo "#define _STDINT_HAVE_INTMAX_T" "1" >>$ac_stdint 370else 371echo "/* #undef _STDINT_HAVE_INTMAX_T */" >>$ac_stdint 372fi 373echo "" >>$ac_stdint 374 375 cat >>$ac_stdint <<STDINT_EOF 376/* .................... detections part ............................ */ 377 378/* whether we need to define bitspecific types from compiler base types */ 379#ifndef _STDINT_HEADER_INTPTR 380#ifndef _STDINT_HEADER_UINT32 381#ifndef _STDINT_HEADER_U_INT32 382#define _STDINT_NEED_INT_MODEL_T 383#else 384#define _STDINT_HAVE_U_INT_TYPES 385#endif 386#endif 387#endif 388 389#ifdef _STDINT_HAVE_U_INT_TYPES 390#undef _STDINT_NEED_INT_MODEL_T 391#endif 392 393#ifdef _STDINT_CHAR_MODEL 394#if _STDINT_CHAR_MODEL+0 == 122 || _STDINT_CHAR_MODEL+0 == 124 395#ifndef _STDINT_BYTE_MODEL 396#define _STDINT_BYTE_MODEL 12 397#endif 398#endif 399#endif 400 401#ifndef _STDINT_HAVE_INT_LEAST32_T 402#define _STDINT_NEED_INT_LEAST_T 403#endif 404 405#ifndef _STDINT_HAVE_INT_FAST32_T 406#define _STDINT_NEED_INT_FAST_T 407#endif 408 409#ifndef _STDINT_HEADER_INTPTR 410#define _STDINT_NEED_INTPTR_T 411#ifndef _STDINT_HAVE_INTMAX_T 412#define _STDINT_NEED_INTMAX_T 413#endif 414#endif 415 416 417/* .................... definition part ............................ */ 418 419/* some system headers have good uint64_t */ 420#ifndef _HAVE_UINT64_T 421#if defined _STDINT_HAVE_UINT64_T || defined HAVE_UINT64_T 422#define _HAVE_UINT64_T 423#elif defined _STDINT_HAVE_U_INT64_T || defined HAVE_U_INT64_T 424#define _HAVE_UINT64_T 425typedef u_int64_t uint64_t; 426#endif 427#endif 428 429#ifndef _HAVE_UINT64_T 430/* .. here are some common heuristics using compiler runtime specifics */ 431#if defined __STDC_VERSION__ && defined __STDC_VERSION__ >= 199901L 432#define _HAVE_UINT64_T 433#define _HAVE_LONGLONG_UINT64_T 434typedef long long int64_t; 435typedef unsigned long long uint64_t; 436 437#elif !defined __STRICT_ANSI__ 438#if defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__ 439#define _HAVE_UINT64_T 440typedef __int64 int64_t; 441typedef unsigned __int64 uint64_t; 442 443#elif defined __GNUC__ || defined __MWERKS__ || defined __ELF__ 444/* note: all ELF-systems seem to have loff-support which needs 64-bit */ 445#if !defined _NO_LONGLONG 446#define _HAVE_UINT64_T 447#define _HAVE_LONGLONG_UINT64_T 448typedef long long int64_t; 449typedef unsigned long long uint64_t; 450#endif 451 452#elif defined __alpha || (defined __mips && defined _ABIN32) 453#if !defined _NO_LONGLONG 454typedef long int64_t; 455typedef unsigned long uint64_t; 456#endif 457 /* compiler/cpu type to define int64_t */ 458#endif 459#endif 460#endif 461 462#if defined _STDINT_HAVE_U_INT_TYPES 463/* int8_t int16_t int32_t defined by inet code, redeclare the u_intXX types */ 464typedef u_int8_t uint8_t; 465typedef u_int16_t uint16_t; 466typedef u_int32_t uint32_t; 467 468/* glibc compatibility */ 469#ifndef __int8_t_defined 470#define __int8_t_defined 471#endif 472#endif 473 474#ifdef _STDINT_NEED_INT_MODEL_T 475/* we must guess all the basic types. Apart from byte-adressable system, */ 476/* there a few 32-bit-only dsp-systems that we guard with BYTE_MODEL 8-} */ 477/* (btw, those nibble-addressable systems are way off, or so we assume) */ 478 479dnl /* have a look at "64bit and data size neutrality" at */ 480dnl /* http://unix.org/version2/whatsnew/login_64bit.html */ 481dnl /* (the shorthand "ILP" types always have a "P" part) */ 482 483#if defined _STDINT_BYTE_MODEL 484#if _STDINT_LONG_MODEL+0 == 242 485/* 2:4:2 = IP16 = a normal 16-bit system */ 486typedef unsigned char uint8_t; 487typedef unsigned short uint16_t; 488typedef unsigned long uint32_t; 489#ifndef __int8_t_defined 490#define __int8_t_defined 491typedef char int8_t; 492typedef short int16_t; 493typedef long int32_t; 494#endif 495#elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL == 444 496/* 2:4:4 = LP32 = a 32-bit system derived from a 16-bit */ 497/* 4:4:4 = ILP32 = a normal 32-bit system */ 498typedef unsigned char uint8_t; 499typedef unsigned short uint16_t; 500typedef unsigned int uint32_t; 501#ifndef __int8_t_defined 502#define __int8_t_defined 503typedef char int8_t; 504typedef short int16_t; 505typedef int int32_t; 506#endif 507#elif _STDINT_LONG_MODEL+0 == 484 || _STDINT_LONG_MODEL+0 == 488 508/* 4:8:4 = IP32 = a 32-bit system prepared for 64-bit */ 509/* 4:8:8 = LP64 = a normal 64-bit system */ 510typedef unsigned char uint8_t; 511typedef unsigned short uint16_t; 512typedef unsigned int uint32_t; 513#ifndef __int8_t_defined 514#define __int8_t_defined 515typedef char int8_t; 516typedef short int16_t; 517typedef int int32_t; 518#endif 519/* this system has a "long" of 64bit */ 520#ifndef _HAVE_UINT64_T 521#define _HAVE_UINT64_T 522typedef unsigned long uint64_t; 523typedef long int64_t; 524#endif 525#elif _STDINT_LONG_MODEL+0 == 448 526/* LLP64 a 64-bit system derived from a 32-bit system */ 527typedef unsigned char uint8_t; 528typedef unsigned short uint16_t; 529typedef unsigned int uint32_t; 530#ifndef __int8_t_defined 531#define __int8_t_defined 532typedef char int8_t; 533typedef short int16_t; 534typedef int int32_t; 535#endif 536/* assuming the system has a "long long" */ 537#ifndef _HAVE_UINT64_T 538#define _HAVE_UINT64_T 539#define _HAVE_LONGLONG_UINT64_T 540typedef unsigned long long uint64_t; 541typedef long long int64_t; 542#endif 543#else 544#define _STDINT_NO_INT32_T 545#endif 546#else 547#define _STDINT_NO_INT8_T 548#define _STDINT_NO_INT32_T 549#endif 550#endif 551 552/* 553 * quote from SunOS-5.8 sys/inttypes.h: 554 * Use at your own risk. As of February 1996, the committee is squarely 555 * behind the fixed sized types; the "least" and "fast" types are still being 556 * discussed. The probability that the "fast" types may be removed before 557 * the standard is finalized is high enough that they are not currently 558 * implemented. 559 */ 560 561#if defined _STDINT_NEED_INT_LEAST_T 562typedef int8_t int_least8_t; 563typedef int16_t int_least16_t; 564typedef int32_t int_least32_t; 565#ifdef _HAVE_UINT64_T 566typedef int64_t int_least64_t; 567#endif 568 569typedef uint8_t uint_least8_t; 570typedef uint16_t uint_least16_t; 571typedef uint32_t uint_least32_t; 572#ifdef _HAVE_UINT64_T 573typedef uint64_t uint_least64_t; 574#endif 575 /* least types */ 576#endif 577 578#if defined _STDINT_NEED_INT_FAST_T 579typedef int8_t int_fast8_t; 580typedef int int_fast16_t; 581typedef int32_t int_fast32_t; 582#ifdef _HAVE_UINT64_T 583typedef int64_t int_fast64_t; 584#endif 585 586typedef uint8_t uint_fast8_t; 587typedef unsigned uint_fast16_t; 588typedef uint32_t uint_fast32_t; 589#ifdef _HAVE_UINT64_T 590typedef uint64_t uint_fast64_t; 591#endif 592 /* fast types */ 593#endif 594 595#ifdef _STDINT_NEED_INTMAX_T 596#ifdef _HAVE_UINT64_T 597typedef int64_t intmax_t; 598typedef uint64_t uintmax_t; 599#else 600typedef long intmax_t; 601typedef unsigned long uintmax_t; 602#endif 603#endif 604 605#ifdef _STDINT_NEED_INTPTR_T 606#ifndef __intptr_t_defined 607#define __intptr_t_defined 608/* we encourage using "long" to store pointer values, never use "int" ! */ 609#if _STDINT_LONG_MODEL+0 == 242 || _STDINT_LONG_MODEL+0 == 484 610typedef unsinged int uintptr_t; 611typedef int intptr_t; 612#elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL+0 == 444 613typedef unsigned long uintptr_t; 614typedef long intptr_t; 615#elif _STDINT_LONG_MODEL+0 == 448 && defined _HAVE_UINT64_T 616typedef uint64_t uintptr_t; 617typedef int64_t intptr_t; 618#else /* matches typical system types ILP32 and LP64 - but not IP16 or LLP64 */ 619typedef unsigned long uintptr_t; 620typedef long intptr_t; 621#endif 622#endif 623#endif 624 625/* The ISO C99 standard specifies that in C++ implementations these 626 should only be defined if explicitly requested. */ 627#if !defined __cplusplus || defined __STDC_CONSTANT_MACROS 628#ifndef UINT32_C 629 630/* Signed. */ 631# define INT8_C(c) c 632# define INT16_C(c) c 633# define INT32_C(c) c 634# ifdef _HAVE_LONGLONG_UINT64_T 635# define INT64_C(c) c ## L 636# else 637# define INT64_C(c) c ## LL 638# endif 639 640/* Unsigned. */ 641# define UINT8_C(c) c ## U 642# define UINT16_C(c) c ## U 643# define UINT32_C(c) c ## U 644# ifdef _HAVE_LONGLONG_UINT64_T 645# define UINT64_C(c) c ## UL 646# else 647# define UINT64_C(c) c ## ULL 648# endif 649 650/* Maximal type. */ 651# ifdef _HAVE_LONGLONG_UINT64_T 652# define INTMAX_C(c) c ## L 653# define UINTMAX_C(c) c ## UL 654# else 655# define INTMAX_C(c) c ## LL 656# define UINTMAX_C(c) c ## ULL 657# endif 658 659 /* literalnumbers */ 660#endif 661#endif 662 663/* These limits are merily those of a two complement byte-oriented system */ 664 665/* Minimum of signed integral types. */ 666# define INT8_MIN (-128) 667# define INT16_MIN (-32767-1) 668# define INT32_MIN (-2147483647-1) 669# define INT64_MIN (-__INT64_C(9223372036854775807)-1) 670/* Maximum of signed integral types. */ 671# define INT8_MAX (127) 672# define INT16_MAX (32767) 673# define INT32_MAX (2147483647) 674# define INT64_MAX (__INT64_C(9223372036854775807)) 675 676/* Maximum of unsigned integral types. */ 677# define UINT8_MAX (255) 678# define UINT16_MAX (65535) 679# define UINT32_MAX (4294967295U) 680# define UINT64_MAX (__UINT64_C(18446744073709551615)) 681 682/* Minimum of signed integral types having a minimum size. */ 683# define INT_LEAST8_MIN INT8_MIN 684# define INT_LEAST16_MIN INT16_MIN 685# define INT_LEAST32_MIN INT32_MIN 686# define INT_LEAST64_MIN INT64_MIN 687/* Maximum of signed integral types having a minimum size. */ 688# define INT_LEAST8_MAX INT8_MAX 689# define INT_LEAST16_MAX INT16_MAX 690# define INT_LEAST32_MAX INT32_MAX 691# define INT_LEAST64_MAX INT64_MAX 692 693/* Maximum of unsigned integral types having a minimum size. */ 694# define UINT_LEAST8_MAX UINT8_MAX 695# define UINT_LEAST16_MAX UINT16_MAX 696# define UINT_LEAST32_MAX UINT32_MAX 697# define UINT_LEAST64_MAX UINT64_MAX 698 699 /* shortcircuit*/ 700#endif 701 /* once */ 702#endif 703#endif 704STDINT_EOF 705fi 706 if cmp -s $ac_stdint_h $ac_stdint 2>/dev/null; then 707 AC_MSG_NOTICE([$ac_stdint_h is unchanged]) 708 else 709 ac_dir=`AS_DIRNAME(["$ac_stdint_h"])` 710 AS_MKDIR_P(["$ac_dir"]) 711 rm -f $ac_stdint_h 712 mv $ac_stdint $ac_stdint_h 713 fi 714],[# variables for create stdint.h replacement 715PACKAGE="$PACKAGE" 716VERSION="$VERSION" 717ac_stdint_h="$ac_stdint_h" 718_ac_stdint_h=AS_TR_CPP(_$PACKAGE-$ac_stdint_h) 719ac_cv_stdint_message="$ac_cv_stdint_message" 720ac_cv_header_stdint_t="$ac_cv_header_stdint_t" 721ac_cv_header_stdint_x="$ac_cv_header_stdint_x" 722ac_cv_header_stdint_o="$ac_cv_header_stdint_o" 723ac_cv_header_stdint_u="$ac_cv_header_stdint_u" 724ac_cv_type_uint64_t="$ac_cv_type_uint64_t" 725ac_cv_type_u_int64_t="$ac_cv_type_u_int64_t" 726ac_cv_char_data_model="$ac_cv_char_data_model" 727ac_cv_long_data_model="$ac_cv_long_data_model" 728ac_cv_type_int_least32_t="$ac_cv_type_int_least32_t" 729ac_cv_type_int_fast32_t="$ac_cv_type_int_fast32_t" 730ac_cv_type_intmax_t="$ac_cv_type_intmax_t" 731]) 732]) 733