1 dnl AC_NEED_STDINT_H ( HEADER-TO-GENERATE ) 2 dnl Copyright 2001-2002 by Dan Fandrich <dan (a] coneharvesters.com> 3 dnl This file may be copied and used freely without restrictions. No warranty 4 dnl is expressed or implied. 5 dnl 6 dnl Look for a header file that defines size-specific integer types like the 7 dnl ones recommended to be in stdint.h in the C99 standard (e.g. uint32_t). 8 dnl This is a dumbed-down version of the macro of the same name in the file 9 dnl ac_need_stdint_h.m4 which is part of the ac-archive, available at 10 dnl <URL:http://ac-archive.sourceforge.net/> (also, another macro 11 dnl AC_CREATE_STDINT_H by the same author). This version is not as smart, 12 dnl but works on older autoconf versions and has a different license. 13 14 dnl AX_CHECK_DEFINED_TYPE ( TYPE, FILE, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND ) 15 dnl This is similar to _AC_CHECK_TYPE_NEW (a.k.a. new syntax version of 16 dnl AC_CHECK_TYPE) in autoconf 2.50 but works on older versions 17 AC_DEFUN([AX_CHECK_DEFINED_TYPE], 18 [AC_MSG_CHECKING([for $1 in $2]) 19 AC_EGREP_CPP(changequote(<<,>>)dnl 20 <<(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl 21 changequote([,]), [#include <$2>], 22 ac_cv_type_$1=yes, ac_cv_type_$1=no)dnl 23 AC_MSG_RESULT($ac_cv_type_$1) 24 if test $ac_cv_type_$1 = yes; then 25 $3 26 else 27 $4 28 fi 29 ]) 30 31 dnl Look for a header file that defines size-specific integer types 32 AC_DEFUN([AX_NEED_STDINT_H], 33 [ 34 ac_dir=`AS_DIRNAME(["$1"])` 35 if test "$ac_dir" != "$1" && test "$ac_dir" != .; then 36 # The file is in a subdirectory. 37 test ! -d "$ac_dir" && AS_MKDIR_P(["$ac_dir"]) 38 fi 39 40 AX_CHECK_DEFINED_TYPE(uint8_t, 41 stdint.h, 42 [ 43 cat > "$1" <<EOF 44 /* This file is generated automatically by configure */ 45 #include <stdint.h> 46 EOF], 47 [AX_CHECK_DEFINED_TYPE(uint8_t, 48 inttypes.h, 49 [cat > "$1" <<EOF 50 /* This file is generated automatically by configure */ 51 #include <inttypes.h> 52 EOF], 53 [AX_CHECK_DEFINED_TYPE(uint8_t, 54 sys/types.h, 55 [cat > "$1" <<EOF 56 /* This file is generated automatically by configure */ 57 #include <sys/types.h> 58 EOF], 59 [AX_CHECK_DEFINED_TYPE(u_int8_t, 60 sys/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> 66 typedef u_int8_t uint8_t; 67 typedef u_int16_t uint16_t; 68 typedef u_int32_t uint32_t; 69 EOF 70 71 AX_CHECK_DEFINED_TYPE(u_int64_t, 72 sys/types.h, 73 [cat >> "$1" <<EOF 74 typedef u_int64_t uint64_t; 75 #endif /*!__STDINT_H*/ 76 EOF], 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*/ 81 EOF]) 82 83 ], 84 [AC_MSG_WARN([I can't find size-specific integer definitions on this system]) 85 if test -e "$1" ; then 86 rm -f "$1" 87 fi 88 ])])])])dnl 89 ]) 90 91 AC_DEFUN([AX_CHECK_DATA_MODEL],[ 92 AC_CHECK_SIZEOF(char) 93 AC_CHECK_SIZEOF(short) 94 AC_CHECK_SIZEOF(int) 95 AC_CHECK_SIZEOF(long) 96 AC_CHECK_SIZEOF(void*) 97 ac_cv_char_data_model="" 98 ac_cv_char_data_model="$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 ]) 127 128 dnl AX_CHECK_HEADER_STDINT_X([HEADERLIST][,ACTION-IF]) 129 AC_DEFUN([AX_CHECK_HEADER_STDINT_X],[ 130 AC_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 ]) 143 144 AC_DEFUN([AX_CHECK_HEADER_STDINT_O],[ 145 AC_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 ]) 159 160 AC_DEFUN([AX_CHECK_HEADER_STDINT_U],[ 161 AC_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 ]) 175 176 AC_DEFUN([AX_CREATE_STDINT_H], 177 [# ------ AX CREATE STDINT H ------------------------------------- 178 AC_MSG_CHECKING([for stdint types]) 179 ac_stdint_h=`echo ifelse($1, , _stdint.h, $1)` 180 # try to shortcircuit - if the default include path of the compiler 181 # can find a "stdint.h" header then we assume that all compilers can. 182 AC_CACHE_VAL([ac_cv_header_stdint_t],[ 183 old_CXXFLAGS="$CXXFLAGS" ; CXXFLAGS="" 184 old_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS="" 185 old_CFLAGS="$CFLAGS" ; CFLAGS="" 186 AC_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=""]) 190 CXXFLAGS="$old_CXXFLAGS" 191 CPPFLAGS="$old_CPPFLAGS" 192 CFLAGS="$old_CFLAGS" ]) 193 194 v="... $ac_cv_header_stdint_h" 195 if test "$ac_stdint_h" = "stdint.h" ; then 196 AC_MSG_RESULT([(are you sure you want them in ./stdint.h?)]) 197 elif test "$ac_stdint_h" = "inttypes.h" ; then 198 AC_MSG_RESULT([(are you sure you want them in ./inttypes.h?)]) 199 elif test "_$ac_cv_header_stdint_t" = "_" ; then 200 AC_MSG_RESULT([(putting them into $ac_stdint_h)$v]) 201 else 202 ac_cv_header_stdint="$ac_cv_header_stdint_t" 203 AC_MSG_RESULT([$ac_cv_header_stdint (shortcircuit)]) 204 fi 205 206 if test "_$ac_cv_header_stdint_t" = "_" ; then # can not shortcircuit.. 207 208 dnl .....intro message done, now do a few system checks..... 209 dnl btw, all old CHECK_TYPE macros do automatically "DEFINE" a type, 210 dnl therefore we use the autoconf implementation detail CHECK_TYPE_NEW 211 dnl instead that is triggered with 3 or more arguments (see types.m4) 212 213 inttype_headers=`echo $2 | sed -e 's/,/ /g'` 214 215 ac_cv_stdint_result="(no helpful system typedefs seen)" 216 AX_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 $i)") 219 220 if test "_$ac_cv_header_stdint_x" = "_" ; then 221 AX_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 $i)") 224 fi 225 226 if test "_$ac_cv_header_stdint_x" = "_" ; then 227 if test "_$ac_cv_header_stdint_o" = "_" ; then 228 AX_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 $i)") 231 fi fi 232 233 dnl if there was no good C99 header file, do some typedef checks... 234 if test "_$ac_cv_header_stdint_x" = "_" ; then 235 AC_MSG_CHECKING([for stdint datatype model]) 236 AC_MSG_RESULT([(..)]) 237 AX_CHECK_DATA_MODEL 238 fi 239 240 if test "_$ac_cv_header_stdint_x" != "_" ; then 241 ac_cv_header_stdint="$ac_cv_header_stdint_x" 242 elif test "_$ac_cv_header_stdint_o" != "_" ; then 243 ac_cv_header_stdint="$ac_cv_header_stdint_o" 244 elif test "_$ac_cv_header_stdint_u" != "_" ; then 245 ac_cv_header_stdint="$ac_cv_header_stdint_u" 246 else 247 ac_cv_header_stdint="stddef.h" 248 fi 249 250 AC_MSG_CHECKING([for extra inttypes in chosen header]) 251 AC_MSG_RESULT([($ac_cv_header_stdint)]) 252 dnl see if int_least and int_fast types are present in _this_ header. 253 unset ac_cv_type_int_least32_t 254 unset ac_cv_type_int_fast32_t 255 AC_CHECK_TYPE(int_least32_t,,,[#include <$ac_cv_header_stdint>]) 256 AC_CHECK_TYPE(int_fast32_t,,,[#include<$ac_cv_header_stdint>]) 257 AC_CHECK_TYPE(intmax_t,,,[#include <$ac_cv_header_stdint>]) 258 259 fi # shortcircut to system "stdint.h" 260 # ------------------ PREPARE VARIABLES ------------------------------ 261 if test "$GCC" = "yes" ; then 262 ac_cv_stdint_message="using gnu compiler "`$CC --version | head -1` 263 else 264 ac_cv_stdint_message="using $CC" 265 fi 266 267 AC_MSG_RESULT([make use of $ac_cv_header_stdint in $ac_stdint_h dnl 268 $ac_cv_stdint_result]) 269 270 dnl ----------------------------------------------------------------- 271 # ----------------- DONE inttypes.h checks START header ------------- 272 AC_CONFIG_COMMANDS([$ac_stdint_h],[ 273 AC_MSG_NOTICE(creating $ac_stdint_h : $_ac_stdint_h) 274 ac_stdint=$tmp/_stdint.h 275 276 echo "#ifndef" $_ac_stdint_h >$ac_stdint 277 echo "#define" $_ac_stdint_h "1" >>$ac_stdint 278 echo "#ifndef" _GENERATED_STDINT_H >>$ac_stdint 279 echo "#define" _GENERATED_STDINT_H '"'$PACKAGE $VERSION'"' >>$ac_stdint 280 echo "/* generated $ac_cv_stdint_message */" >>$ac_stdint 281 if test "_$ac_cv_header_stdint_t" != "_" ; then 282 echo "#define _STDINT_HAVE_STDINT_H" "1" >>$ac_stdint 283 echo "#include <stdint.h>" >>$ac_stdint 284 echo "#endif" >>$ac_stdint 285 echo "#endif" >>$ac_stdint 286 else 287 288 cat >>$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 ............................ */ 298 299 STDINT_EOF 300 301 echo "/* whether we have a C99 compatible stdint header file */" >>$ac_stdint 302 if test "_$ac_cv_header_stdint_x" != "_" ; then 303 ac_header="$ac_cv_header_stdint_x" 304 echo "#define _STDINT_HEADER_INTPTR" '"'"$ac_header"'"' >>$ac_stdint 305 else 306 echo "/* #undef _STDINT_HEADER_INTPTR */" >>$ac_stdint 307 fi 308 309 echo "/* whether we have a C96 compatible inttypes header file */" >>$ac_stdint 310 if test "_$ac_cv_header_stdint_o" != "_" ; then 311 ac_header="$ac_cv_header_stdint_o" 312 echo "#define _STDINT_HEADER_UINT32" '"'"$ac_header"'"' >>$ac_stdint 313 else 314 echo "/* #undef _STDINT_HEADER_UINT32 */" >>$ac_stdint 315 fi 316 317 echo "/* whether we have a BSD compatible inet types header */" >>$ac_stdint 318 if test "_$ac_cv_header_stdint_u" != "_" ; then 319 ac_header="$ac_cv_header_stdint_u" 320 echo "#define _STDINT_HEADER_U_INT32" '"'"$ac_header"'"' >>$ac_stdint 321 else 322 echo "/* #undef _STDINT_HEADER_U_INT32 */" >>$ac_stdint 323 fi 324 325 echo "" >>$ac_stdint 326 327 if test "_$ac_header" != "_" ; then if test "$ac_header" != "stddef.h" ; then 328 echo "#include <$ac_header>" >>$ac_stdint 329 echo "" >>$ac_stdint 330 fi fi 331 332 echo "/* which 64bit typedef has been found */" >>$ac_stdint 333 if test "$ac_cv_type_uint64_t" = "yes" ; then 334 echo "#define _STDINT_HAVE_UINT64_T" "1" >>$ac_stdint 335 else 336 echo "/* #undef _STDINT_HAVE_UINT64_T */" >>$ac_stdint 337 fi 338 if test "$ac_cv_type_u_int64_t" = "yes" ; then 339 echo "#define _STDINT_HAVE_U_INT64_T" "1" >>$ac_stdint 340 else 341 echo "/* #undef _STDINT_HAVE_U_INT64_T */" >>$ac_stdint 342 fi 343 echo "" >>$ac_stdint 344 345 echo "/* which type model has been detected */" >>$ac_stdint 346 if test "_$ac_cv_char_data_model" != "_" ; then 347 echo "#define _STDINT_CHAR_MODEL" "$ac_cv_char_data_model" >>$ac_stdint 348 echo "#define _STDINT_LONG_MODEL" "$ac_cv_long_data_model" >>$ac_stdint 349 else 350 echo "/* #undef _STDINT_CHAR_MODEL // skipped */" >>$ac_stdint 351 echo "/* #undef _STDINT_LONG_MODEL // skipped */" >>$ac_stdint 352 fi 353 echo "" >>$ac_stdint 354 355 echo "/* whether int_least types were detected */" >>$ac_stdint 356 if test "$ac_cv_type_int_least32_t" = "yes"; then 357 echo "#define _STDINT_HAVE_INT_LEAST32_T" "1" >>$ac_stdint 358 else 359 echo "/* #undef _STDINT_HAVE_INT_LEAST32_T */" >>$ac_stdint 360 fi 361 echo "/* whether int_fast types were detected */" >>$ac_stdint 362 if test "$ac_cv_type_int_fast32_t" = "yes"; then 363 echo "#define _STDINT_HAVE_INT_FAST32_T" "1" >>$ac_stdint 364 else 365 echo "/* #undef _STDINT_HAVE_INT_FAST32_T */" >>$ac_stdint 366 fi 367 echo "/* whether intmax_t type was detected */" >>$ac_stdint 368 if test "$ac_cv_type_intmax_t" = "yes"; then 369 echo "#define _STDINT_HAVE_INTMAX_T" "1" >>$ac_stdint 370 else 371 echo "/* #undef _STDINT_HAVE_INTMAX_T */" >>$ac_stdint 372 fi 373 echo "" >>$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 425 typedef 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 434 typedef long long int64_t; 435 typedef 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 440 typedef __int64 int64_t; 441 typedef 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 448 typedef long long int64_t; 449 typedef unsigned long long uint64_t; 450 #endif 451 452 #elif defined __alpha || (defined __mips && defined _ABIN32) 453 #if !defined _NO_LONGLONG 454 typedef long int64_t; 455 typedef 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 */ 464 typedef u_int8_t uint8_t; 465 typedef u_int16_t uint16_t; 466 typedef 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) */ 478 479 dnl /* have a look at "64bit and data size neutrality" at */ 480 dnl /* http://unix.org/version2/whatsnew/login_64bit.html */ 481 dnl /* (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 */ 486 typedef unsigned char uint8_t; 487 typedef unsigned short uint16_t; 488 typedef unsigned long uint32_t; 489 #ifndef __int8_t_defined 490 #define __int8_t_defined 491 typedef char int8_t; 492 typedef short int16_t; 493 typedef 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 */ 498 typedef unsigned char uint8_t; 499 typedef unsigned short uint16_t; 500 typedef unsigned int uint32_t; 501 #ifndef __int8_t_defined 502 #define __int8_t_defined 503 typedef char int8_t; 504 typedef short int16_t; 505 typedef 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 */ 510 typedef unsigned char uint8_t; 511 typedef unsigned short uint16_t; 512 typedef unsigned int uint32_t; 513 #ifndef __int8_t_defined 514 #define __int8_t_defined 515 typedef char int8_t; 516 typedef short int16_t; 517 typedef int int32_t; 518 #endif 519 /* this system has a "long" of 64bit */ 520 #ifndef _HAVE_UINT64_T 521 #define _HAVE_UINT64_T 522 typedef unsigned long uint64_t; 523 typedef long int64_t; 524 #endif 525 #elif _STDINT_LONG_MODEL+0 == 448 526 /* LLP64 a 64-bit system derived from a 32-bit system */ 527 typedef unsigned char uint8_t; 528 typedef unsigned short uint16_t; 529 typedef unsigned int uint32_t; 530 #ifndef __int8_t_defined 531 #define __int8_t_defined 532 typedef char int8_t; 533 typedef short int16_t; 534 typedef 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 540 typedef unsigned long long uint64_t; 541 typedef 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 562 typedef int8_t int_least8_t; 563 typedef int16_t int_least16_t; 564 typedef int32_t int_least32_t; 565 #ifdef _HAVE_UINT64_T 566 typedef int64_t int_least64_t; 567 #endif 568 569 typedef uint8_t uint_least8_t; 570 typedef uint16_t uint_least16_t; 571 typedef uint32_t uint_least32_t; 572 #ifdef _HAVE_UINT64_T 573 typedef uint64_t uint_least64_t; 574 #endif 575 /* least types */ 576 #endif 577 578 #if defined _STDINT_NEED_INT_FAST_T 579 typedef int8_t int_fast8_t; 580 typedef int int_fast16_t; 581 typedef int32_t int_fast32_t; 582 #ifdef _HAVE_UINT64_T 583 typedef int64_t int_fast64_t; 584 #endif 585 586 typedef uint8_t uint_fast8_t; 587 typedef unsigned uint_fast16_t; 588 typedef uint32_t uint_fast32_t; 589 #ifdef _HAVE_UINT64_T 590 typedef uint64_t uint_fast64_t; 591 #endif 592 /* fast types */ 593 #endif 594 595 #ifdef _STDINT_NEED_INTMAX_T 596 #ifdef _HAVE_UINT64_T 597 typedef int64_t intmax_t; 598 typedef uint64_t uintmax_t; 599 #else 600 typedef long intmax_t; 601 typedef 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 == 484 610 typedef unsinged int uintptr_t; 611 typedef int intptr_t; 612 #elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL+0 == 444 613 typedef unsigned long uintptr_t; 614 typedef long intptr_t; 615 #elif _STDINT_LONG_MODEL+0 == 448 && defined _HAVE_UINT64_T 616 typedef uint64_t uintptr_t; 617 typedef int64_t intptr_t; 618 #else /* matches typical system types ILP32 and LP64 - but not IP16 or LLP64 */ 619 typedef unsigned long uintptr_t; 620 typedef 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 704 STDINT_EOF 705 fi 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 $ac_stdint_h 713 fi 714 ],[# variables for create stdint.h replacement 715 PACKAGE="$PACKAGE" 716 VERSION="$VERSION" 717 ac_stdint_h="$ac_stdint_h" 718 _ac_stdint_h=AS_TR_CPP(_$PACKAGE-$ac_stdint_h) 719 ac_cv_stdint_message="$ac_cv_stdint_message" 720 ac_cv_header_stdint_t="$ac_cv_header_stdint_t" 721 ac_cv_header_stdint_x="$ac_cv_header_stdint_x" 722 ac_cv_header_stdint_o="$ac_cv_header_stdint_o" 723 ac_cv_header_stdint_u="$ac_cv_header_stdint_u" 724 ac_cv_type_uint64_t="$ac_cv_type_uint64_t" 725 ac_cv_type_u_int64_t="$ac_cv_type_u_int64_t" 726 ac_cv_char_data_model="$ac_cv_char_data_model" 727 ac_cv_long_data_model="$ac_cv_long_data_model" 728 ac_cv_type_int_least32_t="$ac_cv_type_int_least32_t" 729 ac_cv_type_int_fast32_t="$ac_cv_type_int_fast32_t" 730 ac_cv_type_intmax_t="$ac_cv_type_intmax_t" 731 ]) 732 ]) 733
