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 changequote(, )dnl 35 ac_dir=`echo "$1"|sed 's%/[^/][^/]*$%%'` 36 changequote([, ])dnl 37 if test "$ac_dir" != "$1" && test "$ac_dir" != .; then 38 # The file is in a subdirectory. 39 test ! -d "$ac_dir" && mkdir "$ac_dir" 40 fi 41 42 AX_CHECK_DEFINED_TYPE(uint8_t, 43 stdint.h, 44 [ 45 cat > "$1" <<EOF 46 /* This file is generated automatically by configure */ 47 #include <stdint.h> 48 EOF], 49 [AX_CHECK_DEFINED_TYPE(uint8_t, 50 inttypes.h, 51 [cat > "$1" <<EOF 52 /* This file is generated automatically by configure */ 53 #include <inttypes.h> 54 EOF], 55 [AX_CHECK_DEFINED_TYPE(uint8_t, 56 sys/types.h, 57 [cat > "$1" <<EOF 58 /* This file is generated automatically by configure */ 59 #include <sys/types.h> 60 EOF], 61 [AX_CHECK_DEFINED_TYPE(u_int8_t, 62 sys/types.h, 63 [cat > "$1" <<EOF 64 /* This file is generated automatically by configure */ 65 #ifndef __STDINT_H 66 #define __STDINT_H 67 #include <sys/types.h> 68 typedef u_int8_t uint8_t; 69 typedef u_int16_t uint16_t; 70 typedef u_int32_t uint32_t; 71 EOF 72 73 AX_CHECK_DEFINED_TYPE(u_int64_t, 74 sys/types.h, 75 [cat >> "$1" <<EOF 76 typedef u_int64_t uint64_t; 77 #endif /*!__STDINT_H*/ 78 EOF], 79 [cat >> "$1" <<EOF 80 /* 64-bit types are not available on this system */ 81 /* typedef u_int64_t uint64_t; */ 82 #endif /*!__STDINT_H*/ 83 EOF]) 84 85 ], 86 [AC_MSG_WARN([I can't find size-specific integer definitions on this system]) 87 if test -e "$1" ; then 88 rm -f "$1" 89 fi 90 ])])])])dnl 91 ]) 92 93 AC_DEFUN([AX_CHECK_DATA_MODEL],[ 94 AC_CHECK_SIZEOF(char) 95 AC_CHECK_SIZEOF(short) 96 AC_CHECK_SIZEOF(int) 97 AC_CHECK_SIZEOF(long) 98 AC_CHECK_SIZEOF(void*) 99 ac_cv_char_data_model="" 100 ac_cv_char_data_model="$ac_cv_char_data_model$ac_cv_sizeof_char" 101 ac_cv_char_data_model="$ac_cv_char_data_model$ac_cv_sizeof_short" 102 ac_cv_char_data_model="$ac_cv_char_data_model$ac_cv_sizeof_int" 103 ac_cv_long_data_model="" 104 ac_cv_long_data_model="$ac_cv_long_data_model$ac_cv_sizeof_int" 105 ac_cv_long_data_model="$ac_cv_long_data_model$ac_cv_sizeof_long" 106 ac_cv_long_data_model="$ac_cv_long_data_model$ac_cv_sizeof_voidp" 107 AC_MSG_CHECKING([data model]) 108 case "$ac_cv_char_data_model/$ac_cv_long_data_model" in 109 122/242) ac_cv_data_model="IP16" ; n="standard 16bit machine" ;; 110 122/244) ac_cv_data_model="LP32" ; n="standard 32bit machine" ;; 111 122/*) ac_cv_data_model="i16" ; n="unusual int16 model" ;; 112 124/444) ac_cv_data_model="ILP32" ; n="standard 32bit unixish" ;; 113 124/488) ac_cv_data_model="LP64" ; n="standard 64bit unixish" ;; 114 124/448) ac_cv_data_model="LLP64" ; n="unusual 64bit unixish" ;; 115 124/*) ac_cv_data_model="i32" ; n="unusual int32 model" ;; 116 128/888) ac_cv_data_model="ILP64" ; n="unusual 64bit numeric" ;; 117 128/*) ac_cv_data_model="i64" ; n="unusual int64 model" ;; 118 222/*2) ac_cv_data_model="DSP16" ; n="strict 16bit dsptype" ;; 119 333/*3) ac_cv_data_model="DSP24" ; n="strict 24bit dsptype" ;; 120 444/*4) ac_cv_data_model="DSP32" ; n="strict 32bit dsptype" ;; 121 666/*6) ac_cv_data_model="DSP48" ; n="strict 48bit dsptype" ;; 122 888/*8) ac_cv_data_model="DSP64" ; n="strict 64bit dsptype" ;; 123 222/*|333/*|444/*|666/*|888/*) : 124 ac_cv_data_model="iDSP" ; n="unusual dsptype" ;; 125 *) ac_cv_data_model="none" ; n="very unusual model" ;; 126 esac 127 AC_MSG_RESULT([$ac_cv_data_model ($ac_cv_long_data_model, $n)]) 128 ]) 129 130 dnl AX_CHECK_HEADER_STDINT_X([HEADERLIST][,ACTION-IF]) 131 AC_DEFUN([AX_CHECK_HEADER_STDINT_X],[ 132 AC_CACHE_CHECK([for stdint uintptr_t], [ac_cv_header_stdint_x],[ 133 ac_cv_header_stdint_x="" # the 1997 typedefs (inttypes.h) 134 AC_MSG_RESULT([(..)]) 135 for i in m4_ifval([$1],[$1],[stdint.h inttypes.h sys/inttypes.h]) ; do 136 unset ac_cv_type_uintptr_t 137 unset ac_cv_type_uint64_t 138 AC_CHECK_TYPE(uintptr_t,[ac_cv_header_stdint_x=$i],continue,[#include <$i>]) 139 AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>]) 140 m4_ifvaln([$1],[$1]) break 141 done 142 AC_MSG_CHECKING([for stdint uintptr_t]) 143 ]) 144 ]) 145 146 AC_DEFUN([AX_CHECK_HEADER_STDINT_O],[ 147 AC_CACHE_CHECK([for stdint uint32_t], [ac_cv_header_stdint_o],[ 148 ac_cv_header_stdint_o="" # the 1995 typedefs (sys/inttypes.h) 149 AC_MSG_RESULT([(..)]) 150 for i in m4_ifval([$1],[$1],[inttypes.h sys/inttypes.h stdint.h]) ; do 151 unset ac_cv_type_uint32_t 152 unset ac_cv_type_uint64_t 153 AC_CHECK_TYPE(uint32_t,[ac_cv_header_stdint_o=$i],continue,[#include <$i>]) 154 AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>]) 155 m4_ifvaln([$1],[$1]) break 156 break; 157 done 158 AC_MSG_CHECKING([for stdint uint32_t]) 159 ]) 160 ]) 161 162 AC_DEFUN([AX_CHECK_HEADER_STDINT_U],[ 163 AC_CACHE_CHECK([for stdint u_int32_t], [ac_cv_header_stdint_u],[ 164 ac_cv_header_stdint_u="" # the BSD typedefs (sys/types.h) 165 AC_MSG_RESULT([(..)]) 166 for i in m4_ifval([$1],[$1],[sys/types.h inttypes.h sys/inttypes.h]) ; do 167 unset ac_cv_type_u_int32_t 168 unset ac_cv_type_u_int64_t 169 AC_CHECK_TYPE(u_int32_t,[ac_cv_header_stdint_u=$i],continue,[#include <$i>]) 170 AC_CHECK_TYPE(u_int64_t,[and64="/u_int64_t"],[and64=""],[#include<$i>]) 171 m4_ifvaln([$1],[$1]) break 172 break; 173 done 174 AC_MSG_CHECKING([for stdint u_int32_t]) 175 ]) 176 ]) 177 178 AC_DEFUN([AX_CREATE_STDINT_H], 179 [# ------ AX CREATE STDINT H ------------------------------------- 180 AC_MSG_CHECKING([for stdint types]) 181 ac_stdint_h=`echo ifelse($1, , _stdint.h, $1)` 182 # try to shortcircuit - if the default include path of the compiler 183 # can find a "stdint.h" header then we assume that all compilers can. 184 AC_CACHE_VAL([ac_cv_header_stdint_t],[ 185 old_CXXFLAGS="$CXXFLAGS" ; CXXFLAGS="" 186 old_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS="" 187 old_CFLAGS="$CFLAGS" ; CFLAGS="" 188 AC_TRY_COMPILE([#include <stdint.h>],[int_least32_t v = 0;], 189 [ac_cv_stdint_result="(assuming C99 compatible system)" 190 ac_cv_header_stdint_t="stdint.h"; ], 191 [ac_cv_header_stdint_t=""]) 192 CXXFLAGS="$old_CXXFLAGS" 193 CPPFLAGS="$old_CPPFLAGS" 194 CFLAGS="$old_CFLAGS" ]) 195 196 v="... $ac_cv_header_stdint_h" 197 if test "$ac_stdint_h" = "stdint.h" ; then 198 AC_MSG_RESULT([(are you sure you want them in ./stdint.h?)]) 199 elif test "$ac_stdint_h" = "inttypes.h" ; then 200 AC_MSG_RESULT([(are you sure you want them in ./inttypes.h?)]) 201 elif test "_$ac_cv_header_stdint_t" = "_" ; then 202 AC_MSG_RESULT([(putting them into $ac_stdint_h)$v]) 203 else 204 ac_cv_header_stdint="$ac_cv_header_stdint_t" 205 AC_MSG_RESULT([$ac_cv_header_stdint (shortcircuit)]) 206 fi 207 208 if test "_$ac_cv_header_stdint_t" = "_" ; then # can not shortcircuit.. 209 210 dnl .....intro message done, now do a few system checks..... 211 dnl btw, all old CHECK_TYPE macros do automatically "DEFINE" a type, 212 dnl therefore we use the autoconf implementation detail CHECK_TYPE_NEW 213 dnl instead that is triggered with 3 or more arguments (see types.m4) 214 215 inttype_headers=`echo $2 | sed -e 's/,/ /g'` 216 217 ac_cv_stdint_result="(no helpful system typedefs seen)" 218 AX_CHECK_HEADER_STDINT_X(dnl 219 stdint.h inttypes.h sys/inttypes.h $inttype_headers, 220 ac_cv_stdint_result="(seen uintptr_t$and64 in $i)") 221 222 if test "_$ac_cv_header_stdint_x" = "_" ; then 223 AX_CHECK_HEADER_STDINT_O(dnl, 224 inttypes.h sys/inttypes.h stdint.h $inttype_headers, 225 ac_cv_stdint_result="(seen uint32_t$and64 in $i)") 226 fi 227 228 if test "_$ac_cv_header_stdint_x" = "_" ; then 229 if test "_$ac_cv_header_stdint_o" = "_" ; then 230 AX_CHECK_HEADER_STDINT_U(dnl, 231 sys/types.h inttypes.h sys/inttypes.h $inttype_headers, 232 ac_cv_stdint_result="(seen u_int32_t$and64 in $i)") 233 fi fi 234 235 dnl if there was no good C99 header file, do some typedef checks... 236 if test "_$ac_cv_header_stdint_x" = "_" ; then 237 AC_MSG_CHECKING([for stdint datatype model]) 238 AC_MSG_RESULT([(..)]) 239 AX_CHECK_DATA_MODEL 240 fi 241 242 if test "_$ac_cv_header_stdint_x" != "_" ; then 243 ac_cv_header_stdint="$ac_cv_header_stdint_x" 244 elif test "_$ac_cv_header_stdint_o" != "_" ; then 245 ac_cv_header_stdint="$ac_cv_header_stdint_o" 246 elif test "_$ac_cv_header_stdint_u" != "_" ; then 247 ac_cv_header_stdint="$ac_cv_header_stdint_u" 248 else 249 ac_cv_header_stdint="stddef.h" 250 fi 251 252 AC_MSG_CHECKING([for extra inttypes in chosen header]) 253 AC_MSG_RESULT([($ac_cv_header_stdint)]) 254 dnl see if int_least and int_fast types are present in _this_ header. 255 unset ac_cv_type_int_least32_t 256 unset ac_cv_type_int_fast32_t 257 AC_CHECK_TYPE(int_least32_t,,,[#include <$ac_cv_header_stdint>]) 258 AC_CHECK_TYPE(int_fast32_t,,,[#include<$ac_cv_header_stdint>]) 259 AC_CHECK_TYPE(intmax_t,,,[#include <$ac_cv_header_stdint>]) 260 261 fi # shortcircut to system "stdint.h" 262 # ------------------ PREPARE VARIABLES ------------------------------ 263 if test "$GCC" = "yes" ; then 264 ac_cv_stdint_message="using gnu compiler "`$CC --version | head -1` 265 else 266 ac_cv_stdint_message="using $CC" 267 fi 268 269 AC_MSG_RESULT([make use of $ac_cv_header_stdint in $ac_stdint_h dnl 270 $ac_cv_stdint_result]) 271 272 dnl ----------------------------------------------------------------- 273 # ----------------- DONE inttypes.h checks START header ------------- 274 AC_CONFIG_COMMANDS([$ac_stdint_h],[ 275 AC_MSG_NOTICE(creating $ac_stdint_h : $_ac_stdint_h) 276 ac_stdint=$tmp/_stdint.h 277 278 echo "#ifndef" $_ac_stdint_h >$ac_stdint 279 echo "#define" $_ac_stdint_h "1" >>$ac_stdint 280 echo "#ifndef" _GENERATED_STDINT_H >>$ac_stdint 281 echo "#define" _GENERATED_STDINT_H '"'$PACKAGE $VERSION'"' >>$ac_stdint 282 echo "/* generated $ac_cv_stdint_message */" >>$ac_stdint 283 if test "_$ac_cv_header_stdint_t" != "_" ; then 284 echo "#define _STDINT_HAVE_STDINT_H" "1" >>$ac_stdint 285 echo "#include <stdint.h>" >>$ac_stdint 286 echo "#endif" >>$ac_stdint 287 echo "#endif" >>$ac_stdint 288 else 289 290 cat >>$ac_stdint <<STDINT_EOF 291 292 /* ................... shortcircuit part ........................... */ 293 294 #if defined HAVE_STDINT_H || defined _STDINT_HAVE_STDINT_H 295 #include <stdint.h> 296 #else 297 #include <stddef.h> 298 299 /* .................... configured part ............................ */ 300 301 STDINT_EOF 302 303 echo "/* whether we have a C99 compatible stdint header file */" >>$ac_stdint 304 if test "_$ac_cv_header_stdint_x" != "_" ; then 305 ac_header="$ac_cv_header_stdint_x" 306 echo "#define _STDINT_HEADER_INTPTR" '"'"$ac_header"'"' >>$ac_stdint 307 else 308 echo "/* #undef _STDINT_HEADER_INTPTR */" >>$ac_stdint 309 fi 310 311 echo "/* whether we have a C96 compatible inttypes header file */" >>$ac_stdint 312 if test "_$ac_cv_header_stdint_o" != "_" ; then 313 ac_header="$ac_cv_header_stdint_o" 314 echo "#define _STDINT_HEADER_UINT32" '"'"$ac_header"'"' >>$ac_stdint 315 else 316 echo "/* #undef _STDINT_HEADER_UINT32 */" >>$ac_stdint 317 fi 318 319 echo "/* whether we have a BSD compatible inet types header */" >>$ac_stdint 320 if test "_$ac_cv_header_stdint_u" != "_" ; then 321 ac_header="$ac_cv_header_stdint_u" 322 echo "#define _STDINT_HEADER_U_INT32" '"'"$ac_header"'"' >>$ac_stdint 323 else 324 echo "/* #undef _STDINT_HEADER_U_INT32 */" >>$ac_stdint 325 fi 326 327 echo "" >>$ac_stdint 328 329 if test "_$ac_header" != "_" ; then if test "$ac_header" != "stddef.h" ; then 330 echo "#include <$ac_header>" >>$ac_stdint 331 echo "" >>$ac_stdint 332 fi fi 333 334 echo "/* which 64bit typedef has been found */" >>$ac_stdint 335 if test "$ac_cv_type_uint64_t" = "yes" ; then 336 echo "#define _STDINT_HAVE_UINT64_T" "1" >>$ac_stdint 337 else 338 echo "/* #undef _STDINT_HAVE_UINT64_T */" >>$ac_stdint 339 fi 340 if test "$ac_cv_type_u_int64_t" = "yes" ; then 341 echo "#define _STDINT_HAVE_U_INT64_T" "1" >>$ac_stdint 342 else 343 echo "/* #undef _STDINT_HAVE_U_INT64_T */" >>$ac_stdint 344 fi 345 echo "" >>$ac_stdint 346 347 echo "/* which type model has been detected */" >>$ac_stdint 348 if test "_$ac_cv_char_data_model" != "_" ; then 349 echo "#define _STDINT_CHAR_MODEL" "$ac_cv_char_data_model" >>$ac_stdint 350 echo "#define _STDINT_LONG_MODEL" "$ac_cv_long_data_model" >>$ac_stdint 351 else 352 echo "/* #undef _STDINT_CHAR_MODEL // skipped */" >>$ac_stdint 353 echo "/* #undef _STDINT_LONG_MODEL // skipped */" >>$ac_stdint 354 fi 355 echo "" >>$ac_stdint 356 357 echo "/* whether int_least types were detected */" >>$ac_stdint 358 if test "$ac_cv_type_int_least32_t" = "yes"; then 359 echo "#define _STDINT_HAVE_INT_LEAST32_T" "1" >>$ac_stdint 360 else 361 echo "/* #undef _STDINT_HAVE_INT_LEAST32_T */" >>$ac_stdint 362 fi 363 echo "/* whether int_fast types were detected */" >>$ac_stdint 364 if test "$ac_cv_type_int_fast32_t" = "yes"; then 365 echo "#define _STDINT_HAVE_INT_FAST32_T" "1" >>$ac_stdint 366 else 367 echo "/* #undef _STDINT_HAVE_INT_FAST32_T */" >>$ac_stdint 368 fi 369 echo "/* whether intmax_t type was detected */" >>$ac_stdint 370 if test "$ac_cv_type_intmax_t" = "yes"; then 371 echo "#define _STDINT_HAVE_INTMAX_T" "1" >>$ac_stdint 372 else 373 echo "/* #undef _STDINT_HAVE_INTMAX_T */" >>$ac_stdint 374 fi 375 echo "" >>$ac_stdint 376 377 cat >>$ac_stdint <<STDINT_EOF 378 /* .................... detections part ............................ */ 379 380 /* whether we need to define bitspecific types from compiler base types */ 381 #ifndef _STDINT_HEADER_INTPTR 382 #ifndef _STDINT_HEADER_UINT32 383 #ifndef _STDINT_HEADER_U_INT32 384 #define _STDINT_NEED_INT_MODEL_T 385 #else 386 #define _STDINT_HAVE_U_INT_TYPES 387 #endif 388 #endif 389 #endif 390 391 #ifdef _STDINT_HAVE_U_INT_TYPES 392 #undef _STDINT_NEED_INT_MODEL_T 393 #endif 394 395 #ifdef _STDINT_CHAR_MODEL 396 #if _STDINT_CHAR_MODEL+0 == 122 || _STDINT_CHAR_MODEL+0 == 124 397 #ifndef _STDINT_BYTE_MODEL 398 #define _STDINT_BYTE_MODEL 12 399 #endif 400 #endif 401 #endif 402 403 #ifndef _STDINT_HAVE_INT_LEAST32_T 404 #define _STDINT_NEED_INT_LEAST_T 405 #endif 406 407 #ifndef _STDINT_HAVE_INT_FAST32_T 408 #define _STDINT_NEED_INT_FAST_T 409 #endif 410 411 #ifndef _STDINT_HEADER_INTPTR 412 #define _STDINT_NEED_INTPTR_T 413 #ifndef _STDINT_HAVE_INTMAX_T 414 #define _STDINT_NEED_INTMAX_T 415 #endif 416 #endif 417 418 419 /* .................... definition part ............................ */ 420 421 /* some system headers have good uint64_t */ 422 #ifndef _HAVE_UINT64_T 423 #if defined _STDINT_HAVE_UINT64_T || defined HAVE_UINT64_T 424 #define _HAVE_UINT64_T 425 #elif defined _STDINT_HAVE_U_INT64_T || defined HAVE_U_INT64_T 426 #define _HAVE_UINT64_T 427 typedef u_int64_t uint64_t; 428 #endif 429 #endif 430 431 #ifndef _HAVE_UINT64_T 432 /* .. here are some common heuristics using compiler runtime specifics */ 433 #if defined __STDC_VERSION__ && defined __STDC_VERSION__ >= 199901L 434 #define _HAVE_UINT64_T 435 #define _HAVE_LONGLONG_UINT64_T 436 typedef long long int64_t; 437 typedef unsigned long long uint64_t; 438 439 #elif !defined __STRICT_ANSI__ 440 #if defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__ 441 #define _HAVE_UINT64_T 442 typedef __int64 int64_t; 443 typedef unsigned __int64 uint64_t; 444 445 #elif defined __GNUC__ || defined __MWERKS__ || defined __ELF__ 446 /* note: all ELF-systems seem to have loff-support which needs 64-bit */ 447 #if !defined _NO_LONGLONG 448 #define _HAVE_UINT64_T 449 #define _HAVE_LONGLONG_UINT64_T 450 typedef long long int64_t; 451 typedef unsigned long long uint64_t; 452 #endif 453 454 #elif defined __alpha || (defined __mips && defined _ABIN32) 455 #if !defined _NO_LONGLONG 456 typedef long int64_t; 457 typedef unsigned long uint64_t; 458 #endif 459 /* compiler/cpu type to define int64_t */ 460 #endif 461 #endif 462 #endif 463 464 #if defined _STDINT_HAVE_U_INT_TYPES 465 /* int8_t int16_t int32_t defined by inet code, redeclare the u_intXX types */ 466 typedef u_int8_t uint8_t; 467 typedef u_int16_t uint16_t; 468 typedef u_int32_t uint32_t; 469 470 /* glibc compatibility */ 471 #ifndef __int8_t_defined 472 #define __int8_t_defined 473 #endif 474 #endif 475 476 #ifdef _STDINT_NEED_INT_MODEL_T 477 /* we must guess all the basic types. Apart from byte-adressable system, */ 478 /* there a few 32-bit-only dsp-systems that we guard with BYTE_MODEL 8-} */ 479 /* (btw, those nibble-addressable systems are way off, or so we assume) */ 480 481 dnl /* have a look at "64bit and data size neutrality" at */ 482 dnl /* http://unix.org/version2/whatsnew/login_64bit.html */ 483 dnl /* (the shorthand "ILP" types always have a "P" part) */ 484 485 #if defined _STDINT_BYTE_MODEL 486 #if _STDINT_LONG_MODEL+0 == 242 487 /* 2:4:2 = IP16 = a normal 16-bit system */ 488 typedef unsigned char uint8_t; 489 typedef unsigned short uint16_t; 490 typedef unsigned long uint32_t; 491 #ifndef __int8_t_defined 492 #define __int8_t_defined 493 typedef char int8_t; 494 typedef short int16_t; 495 typedef long int32_t; 496 #endif 497 #elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL == 444 498 /* 2:4:4 = LP32 = a 32-bit system derived from a 16-bit */ 499 /* 4:4:4 = ILP32 = a normal 32-bit system */ 500 typedef unsigned char uint8_t; 501 typedef unsigned short uint16_t; 502 typedef unsigned int uint32_t; 503 #ifndef __int8_t_defined 504 #define __int8_t_defined 505 typedef char int8_t; 506 typedef short int16_t; 507 typedef int int32_t; 508 #endif 509 #elif _STDINT_LONG_MODEL+0 == 484 || _STDINT_LONG_MODEL+0 == 488 510 /* 4:8:4 = IP32 = a 32-bit system prepared for 64-bit */ 511 /* 4:8:8 = LP64 = a normal 64-bit system */ 512 typedef unsigned char uint8_t; 513 typedef unsigned short uint16_t; 514 typedef unsigned int uint32_t; 515 #ifndef __int8_t_defined 516 #define __int8_t_defined 517 typedef char int8_t; 518 typedef short int16_t; 519 typedef int int32_t; 520 #endif 521 /* this system has a "long" of 64bit */ 522 #ifndef _HAVE_UINT64_T 523 #define _HAVE_UINT64_T 524 typedef unsigned long uint64_t; 525 typedef long int64_t; 526 #endif 527 #elif _STDINT_LONG_MODEL+0 == 448 528 /* LLP64 a 64-bit system derived from a 32-bit system */ 529 typedef unsigned char uint8_t; 530 typedef unsigned short uint16_t; 531 typedef unsigned int uint32_t; 532 #ifndef __int8_t_defined 533 #define __int8_t_defined 534 typedef char int8_t; 535 typedef short int16_t; 536 typedef int int32_t; 537 #endif 538 /* assuming the system has a "long long" */ 539 #ifndef _HAVE_UINT64_T 540 #define _HAVE_UINT64_T 541 #define _HAVE_LONGLONG_UINT64_T 542 typedef unsigned long long uint64_t; 543 typedef long long int64_t; 544 #endif 545 #else 546 #define _STDINT_NO_INT32_T 547 #endif 548 #else 549 #define _STDINT_NO_INT8_T 550 #define _STDINT_NO_INT32_T 551 #endif 552 #endif 553 554 /* 555 * quote from SunOS-5.8 sys/inttypes.h: 556 * Use at your own risk. As of February 1996, the committee is squarely 557 * behind the fixed sized types; the "least" and "fast" types are still being 558 * discussed. The probability that the "fast" types may be removed before 559 * the standard is finalized is high enough that they are not currently 560 * implemented. 561 */ 562 563 #if defined _STDINT_NEED_INT_LEAST_T 564 typedef int8_t int_least8_t; 565 typedef int16_t int_least16_t; 566 typedef int32_t int_least32_t; 567 #ifdef _HAVE_UINT64_T 568 typedef int64_t int_least64_t; 569 #endif 570 571 typedef uint8_t uint_least8_t; 572 typedef uint16_t uint_least16_t; 573 typedef uint32_t uint_least32_t; 574 #ifdef _HAVE_UINT64_T 575 typedef uint64_t uint_least64_t; 576 #endif 577 /* least types */ 578 #endif 579 580 #if defined _STDINT_NEED_INT_FAST_T 581 typedef int8_t int_fast8_t; 582 typedef int int_fast16_t; 583 typedef int32_t int_fast32_t; 584 #ifdef _HAVE_UINT64_T 585 typedef int64_t int_fast64_t; 586 #endif 587 588 typedef uint8_t uint_fast8_t; 589 typedef unsigned uint_fast16_t; 590 typedef uint32_t uint_fast32_t; 591 #ifdef _HAVE_UINT64_T 592 typedef uint64_t uint_fast64_t; 593 #endif 594 /* fast types */ 595 #endif 596 597 #ifdef _STDINT_NEED_INTMAX_T 598 #ifdef _HAVE_UINT64_T 599 typedef int64_t intmax_t; 600 typedef uint64_t uintmax_t; 601 #else 602 typedef long intmax_t; 603 typedef unsigned long uintmax_t; 604 #endif 605 #endif 606 607 #ifdef _STDINT_NEED_INTPTR_T 608 #ifndef __intptr_t_defined 609 #define __intptr_t_defined 610 /* we encourage using "long" to store pointer values, never use "int" ! */ 611 #if _STDINT_LONG_MODEL+0 == 242 || _STDINT_LONG_MODEL+0 == 484 612 typedef unsinged int uintptr_t; 613 typedef int intptr_t; 614 #elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL+0 == 444 615 typedef unsigned long uintptr_t; 616 typedef long intptr_t; 617 #elif _STDINT_LONG_MODEL+0 == 448 && defined _HAVE_UINT64_T 618 typedef uint64_t uintptr_t; 619 typedef int64_t intptr_t; 620 #else /* matches typical system types ILP32 and LP64 - but not IP16 or LLP64 */ 621 typedef unsigned long uintptr_t; 622 typedef long intptr_t; 623 #endif 624 #endif 625 #endif 626 627 /* The ISO C99 standard specifies that in C++ implementations these 628 should only be defined if explicitly requested. */ 629 #if !defined __cplusplus || defined __STDC_CONSTANT_MACROS 630 #ifndef UINT32_C 631 632 /* Signed. */ 633 # define INT8_C(c) c 634 # define INT16_C(c) c 635 # define INT32_C(c) c 636 # ifdef _HAVE_LONGLONG_UINT64_T 637 # define INT64_C(c) c ## L 638 # else 639 # define INT64_C(c) c ## LL 640 # endif 641 642 /* Unsigned. */ 643 # define UINT8_C(c) c ## U 644 # define UINT16_C(c) c ## U 645 # define UINT32_C(c) c ## U 646 # ifdef _HAVE_LONGLONG_UINT64_T 647 # define UINT64_C(c) c ## UL 648 # else 649 # define UINT64_C(c) c ## ULL 650 # endif 651 652 /* Maximal type. */ 653 # ifdef _HAVE_LONGLONG_UINT64_T 654 # define INTMAX_C(c) c ## L 655 # define UINTMAX_C(c) c ## UL 656 # else 657 # define INTMAX_C(c) c ## LL 658 # define UINTMAX_C(c) c ## ULL 659 # endif 660 661 /* literalnumbers */ 662 #endif 663 #endif 664 665 /* These limits are merily those of a two complement byte-oriented system */ 666 667 /* Minimum of signed integral types. */ 668 # define INT8_MIN (-128) 669 # define INT16_MIN (-32767-1) 670 # define INT32_MIN (-2147483647-1) 671 # define INT64_MIN (-__INT64_C(9223372036854775807)-1) 672 /* Maximum of signed integral types. */ 673 # define INT8_MAX (127) 674 # define INT16_MAX (32767) 675 # define INT32_MAX (2147483647) 676 # define INT64_MAX (__INT64_C(9223372036854775807)) 677 678 /* Maximum of unsigned integral types. */ 679 # define UINT8_MAX (255) 680 # define UINT16_MAX (65535) 681 # define UINT32_MAX (4294967295U) 682 # define UINT64_MAX (__UINT64_C(18446744073709551615)) 683 684 /* Minimum of signed integral types having a minimum size. */ 685 # define INT_LEAST8_MIN INT8_MIN 686 # define INT_LEAST16_MIN INT16_MIN 687 # define INT_LEAST32_MIN INT32_MIN 688 # define INT_LEAST64_MIN INT64_MIN 689 /* Maximum of signed integral types having a minimum size. */ 690 # define INT_LEAST8_MAX INT8_MAX 691 # define INT_LEAST16_MAX INT16_MAX 692 # define INT_LEAST32_MAX INT32_MAX 693 # define INT_LEAST64_MAX INT64_MAX 694 695 /* Maximum of unsigned integral types having a minimum size. */ 696 # define UINT_LEAST8_MAX UINT8_MAX 697 # define UINT_LEAST16_MAX UINT16_MAX 698 # define UINT_LEAST32_MAX UINT32_MAX 699 # define UINT_LEAST64_MAX UINT64_MAX 700 701 /* shortcircuit*/ 702 #endif 703 /* once */ 704 #endif 705 #endif 706 STDINT_EOF 707 fi 708 if cmp -s $ac_stdint_h $ac_stdint 2>/dev/null; then 709 AC_MSG_NOTICE([$ac_stdint_h is unchanged]) 710 else 711 ac_dir=`AS_DIRNAME(["$ac_stdint_h"])` 712 AS_MKDIR_P(["$ac_dir"]) 713 rm -f $ac_stdint_h 714 mv $ac_stdint $ac_stdint_h 715 fi 716 ],[# variables for create stdint.h replacement 717 PACKAGE="$PACKAGE" 718 VERSION="$VERSION" 719 ac_stdint_h="$ac_stdint_h" 720 _ac_stdint_h=AS_TR_CPP(_$PACKAGE-$ac_stdint_h) 721 ac_cv_stdint_message="$ac_cv_stdint_message" 722 ac_cv_header_stdint_t="$ac_cv_header_stdint_t" 723 ac_cv_header_stdint_x="$ac_cv_header_stdint_x" 724 ac_cv_header_stdint_o="$ac_cv_header_stdint_o" 725 ac_cv_header_stdint_u="$ac_cv_header_stdint_u" 726 ac_cv_type_uint64_t="$ac_cv_type_uint64_t" 727 ac_cv_type_u_int64_t="$ac_cv_type_u_int64_t" 728 ac_cv_char_data_model="$ac_cv_char_data_model" 729 ac_cv_long_data_model="$ac_cv_long_data_model" 730 ac_cv_type_int_least32_t="$ac_cv_type_int_least32_t" 731 ac_cv_type_int_fast32_t="$ac_cv_type_int_fast32_t" 732 ac_cv_type_intmax_t="$ac_cv_type_intmax_t" 733 ]) 734 ]) 735
