Annotation of embedaddon/libiconv/srcm4/stdint.m4, revision 1.1
1.1 ! misho 1: # stdint.m4 serial 34
! 2: dnl Copyright (C) 2001-2009 Free Software Foundation, Inc.
! 3: dnl This file is free software; the Free Software Foundation
! 4: dnl gives unlimited permission to copy and/or distribute it,
! 5: dnl with or without modifications, as long as this notice is preserved.
! 6:
! 7: dnl From Paul Eggert and Bruno Haible.
! 8: dnl Test whether <stdint.h> is supported or must be substituted.
! 9:
! 10: AC_DEFUN([gl_STDINT_H],
! 11: [
! 12: AC_PREREQ([2.59])dnl
! 13:
! 14: dnl Check for long long int and unsigned long long int.
! 15: AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
! 16: if test $ac_cv_type_long_long_int = yes; then
! 17: HAVE_LONG_LONG_INT=1
! 18: else
! 19: HAVE_LONG_LONG_INT=0
! 20: fi
! 21: AC_SUBST([HAVE_LONG_LONG_INT])
! 22: AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
! 23: if test $ac_cv_type_unsigned_long_long_int = yes; then
! 24: HAVE_UNSIGNED_LONG_LONG_INT=1
! 25: else
! 26: HAVE_UNSIGNED_LONG_LONG_INT=0
! 27: fi
! 28: AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT])
! 29:
! 30: dnl Check for <inttypes.h>.
! 31: dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h.
! 32: if test $ac_cv_header_inttypes_h = yes; then
! 33: HAVE_INTTYPES_H=1
! 34: else
! 35: HAVE_INTTYPES_H=0
! 36: fi
! 37: AC_SUBST([HAVE_INTTYPES_H])
! 38:
! 39: dnl Check for <sys/types.h>.
! 40: dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_sys_types_h.
! 41: if test $ac_cv_header_sys_types_h = yes; then
! 42: HAVE_SYS_TYPES_H=1
! 43: else
! 44: HAVE_SYS_TYPES_H=0
! 45: fi
! 46: AC_SUBST([HAVE_SYS_TYPES_H])
! 47:
! 48: gl_CHECK_NEXT_HEADERS([stdint.h])
! 49: if test $ac_cv_header_stdint_h = yes; then
! 50: HAVE_STDINT_H=1
! 51: else
! 52: HAVE_STDINT_H=0
! 53: fi
! 54: AC_SUBST([HAVE_STDINT_H])
! 55:
! 56: dnl Now see whether we need a substitute <stdint.h>.
! 57: if test $ac_cv_header_stdint_h = yes; then
! 58: AC_CACHE_CHECK([whether stdint.h conforms to C99],
! 59: [gl_cv_header_working_stdint_h],
! 60: [gl_cv_header_working_stdint_h=no
! 61: AC_COMPILE_IFELSE([
! 62: AC_LANG_PROGRAM([[
! 63: #define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
! 64: #define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */
! 65: #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
! 66: #include <stdint.h>
! 67: /* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>. */
! 68: #if !(defined WCHAR_MIN && defined WCHAR_MAX)
! 69: #error "WCHAR_MIN, WCHAR_MAX not defined in <stdint.h>"
! 70: #endif
! 71: ]
! 72: gl_STDINT_INCLUDES
! 73: [
! 74: #ifdef INT8_MAX
! 75: int8_t a1 = INT8_MAX;
! 76: int8_t a1min = INT8_MIN;
! 77: #endif
! 78: #ifdef INT16_MAX
! 79: int16_t a2 = INT16_MAX;
! 80: int16_t a2min = INT16_MIN;
! 81: #endif
! 82: #ifdef INT32_MAX
! 83: int32_t a3 = INT32_MAX;
! 84: int32_t a3min = INT32_MIN;
! 85: #endif
! 86: #ifdef INT64_MAX
! 87: int64_t a4 = INT64_MAX;
! 88: int64_t a4min = INT64_MIN;
! 89: #endif
! 90: #ifdef UINT8_MAX
! 91: uint8_t b1 = UINT8_MAX;
! 92: #else
! 93: typedef int b1[(unsigned char) -1 != 255 ? 1 : -1];
! 94: #endif
! 95: #ifdef UINT16_MAX
! 96: uint16_t b2 = UINT16_MAX;
! 97: #endif
! 98: #ifdef UINT32_MAX
! 99: uint32_t b3 = UINT32_MAX;
! 100: #endif
! 101: #ifdef UINT64_MAX
! 102: uint64_t b4 = UINT64_MAX;
! 103: #endif
! 104: int_least8_t c1 = INT8_C (0x7f);
! 105: int_least8_t c1max = INT_LEAST8_MAX;
! 106: int_least8_t c1min = INT_LEAST8_MIN;
! 107: int_least16_t c2 = INT16_C (0x7fff);
! 108: int_least16_t c2max = INT_LEAST16_MAX;
! 109: int_least16_t c2min = INT_LEAST16_MIN;
! 110: int_least32_t c3 = INT32_C (0x7fffffff);
! 111: int_least32_t c3max = INT_LEAST32_MAX;
! 112: int_least32_t c3min = INT_LEAST32_MIN;
! 113: int_least64_t c4 = INT64_C (0x7fffffffffffffff);
! 114: int_least64_t c4max = INT_LEAST64_MAX;
! 115: int_least64_t c4min = INT_LEAST64_MIN;
! 116: uint_least8_t d1 = UINT8_C (0xff);
! 117: uint_least8_t d1max = UINT_LEAST8_MAX;
! 118: uint_least16_t d2 = UINT16_C (0xffff);
! 119: uint_least16_t d2max = UINT_LEAST16_MAX;
! 120: uint_least32_t d3 = UINT32_C (0xffffffff);
! 121: uint_least32_t d3max = UINT_LEAST32_MAX;
! 122: uint_least64_t d4 = UINT64_C (0xffffffffffffffff);
! 123: uint_least64_t d4max = UINT_LEAST64_MAX;
! 124: int_fast8_t e1 = INT_FAST8_MAX;
! 125: int_fast8_t e1min = INT_FAST8_MIN;
! 126: int_fast16_t e2 = INT_FAST16_MAX;
! 127: int_fast16_t e2min = INT_FAST16_MIN;
! 128: int_fast32_t e3 = INT_FAST32_MAX;
! 129: int_fast32_t e3min = INT_FAST32_MIN;
! 130: int_fast64_t e4 = INT_FAST64_MAX;
! 131: int_fast64_t e4min = INT_FAST64_MIN;
! 132: uint_fast8_t f1 = UINT_FAST8_MAX;
! 133: uint_fast16_t f2 = UINT_FAST16_MAX;
! 134: uint_fast32_t f3 = UINT_FAST32_MAX;
! 135: uint_fast64_t f4 = UINT_FAST64_MAX;
! 136: #ifdef INTPTR_MAX
! 137: intptr_t g = INTPTR_MAX;
! 138: intptr_t gmin = INTPTR_MIN;
! 139: #endif
! 140: #ifdef UINTPTR_MAX
! 141: uintptr_t h = UINTPTR_MAX;
! 142: #endif
! 143: intmax_t i = INTMAX_MAX;
! 144: uintmax_t j = UINTMAX_MAX;
! 145:
! 146: #include <limits.h> /* for CHAR_BIT */
! 147: #define TYPE_MINIMUM(t) \
! 148: ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
! 149: #define TYPE_MAXIMUM(t) \
! 150: ((t) ((t) 0 < (t) -1 ? (t) -1 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
! 151: struct s {
! 152: int check_PTRDIFF:
! 153: PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t)
! 154: && PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t)
! 155: ? 1 : -1;
! 156: /* Detect bug in FreeBSD 6.0 / ia64. */
! 157: int check_SIG_ATOMIC:
! 158: SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t)
! 159: && SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t)
! 160: ? 1 : -1;
! 161: int check_SIZE: SIZE_MAX == TYPE_MAXIMUM (size_t) ? 1 : -1;
! 162: int check_WCHAR:
! 163: WCHAR_MIN == TYPE_MINIMUM (wchar_t)
! 164: && WCHAR_MAX == TYPE_MAXIMUM (wchar_t)
! 165: ? 1 : -1;
! 166: /* Detect bug in mingw. */
! 167: int check_WINT:
! 168: WINT_MIN == TYPE_MINIMUM (wint_t)
! 169: && WINT_MAX == TYPE_MAXIMUM (wint_t)
! 170: ? 1 : -1;
! 171:
! 172: /* Detect bugs in glibc 2.4 and Solaris 10 stdint.h, among others. */
! 173: int check_UINT8_C:
! 174: (-1 < UINT8_C (0)) == (-1 < (uint_least8_t) 0) ? 1 : -1;
! 175: int check_UINT16_C:
! 176: (-1 < UINT16_C (0)) == (-1 < (uint_least16_t) 0) ? 1 : -1;
! 177:
! 178: /* Detect bugs in OpenBSD 3.9 stdint.h. */
! 179: #ifdef UINT8_MAX
! 180: int check_uint8: (uint8_t) -1 == UINT8_MAX ? 1 : -1;
! 181: #endif
! 182: #ifdef UINT16_MAX
! 183: int check_uint16: (uint16_t) -1 == UINT16_MAX ? 1 : -1;
! 184: #endif
! 185: #ifdef UINT32_MAX
! 186: int check_uint32: (uint32_t) -1 == UINT32_MAX ? 1 : -1;
! 187: #endif
! 188: #ifdef UINT64_MAX
! 189: int check_uint64: (uint64_t) -1 == UINT64_MAX ? 1 : -1;
! 190: #endif
! 191: int check_uint_least8: (uint_least8_t) -1 == UINT_LEAST8_MAX ? 1 : -1;
! 192: int check_uint_least16: (uint_least16_t) -1 == UINT_LEAST16_MAX ? 1 : -1;
! 193: int check_uint_least32: (uint_least32_t) -1 == UINT_LEAST32_MAX ? 1 : -1;
! 194: int check_uint_least64: (uint_least64_t) -1 == UINT_LEAST64_MAX ? 1 : -1;
! 195: int check_uint_fast8: (uint_fast8_t) -1 == UINT_FAST8_MAX ? 1 : -1;
! 196: int check_uint_fast16: (uint_fast16_t) -1 == UINT_FAST16_MAX ? 1 : -1;
! 197: int check_uint_fast32: (uint_fast32_t) -1 == UINT_FAST32_MAX ? 1 : -1;
! 198: int check_uint_fast64: (uint_fast64_t) -1 == UINT_FAST64_MAX ? 1 : -1;
! 199: int check_uintptr: (uintptr_t) -1 == UINTPTR_MAX ? 1 : -1;
! 200: int check_uintmax: (uintmax_t) -1 == UINTMAX_MAX ? 1 : -1;
! 201: int check_size: (size_t) -1 == SIZE_MAX ? 1 : -1;
! 202: };
! 203: ]])],
! 204: [dnl Determine whether the various *_MIN, *_MAX macros are usable
! 205: dnl in preprocessor expression. We could do it by compiling a test
! 206: dnl program for each of these macros. It is faster to run a program
! 207: dnl that inspects the macro expansion.
! 208: dnl This detects a bug on HP-UX 11.23/ia64.
! 209: AC_RUN_IFELSE([
! 210: AC_LANG_PROGRAM([[
! 211: #define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
! 212: #define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */
! 213: #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
! 214: #include <stdint.h>
! 215: ]
! 216: gl_STDINT_INCLUDES
! 217: [
! 218: #include <stdio.h>
! 219: #include <string.h>
! 220: #define MVAL(macro) MVAL1(macro)
! 221: #define MVAL1(expression) #expression
! 222: static const char *macro_values[] =
! 223: {
! 224: #ifdef INT8_MAX
! 225: MVAL (INT8_MAX),
! 226: #endif
! 227: #ifdef INT16_MAX
! 228: MVAL (INT16_MAX),
! 229: #endif
! 230: #ifdef INT32_MAX
! 231: MVAL (INT32_MAX),
! 232: #endif
! 233: #ifdef INT64_MAX
! 234: MVAL (INT64_MAX),
! 235: #endif
! 236: #ifdef UINT8_MAX
! 237: MVAL (UINT8_MAX),
! 238: #endif
! 239: #ifdef UINT16_MAX
! 240: MVAL (UINT16_MAX),
! 241: #endif
! 242: #ifdef UINT32_MAX
! 243: MVAL (UINT32_MAX),
! 244: #endif
! 245: #ifdef UINT64_MAX
! 246: MVAL (UINT64_MAX),
! 247: #endif
! 248: NULL
! 249: };
! 250: ]], [[
! 251: const char **mv;
! 252: for (mv = macro_values; *mv != NULL; mv++)
! 253: {
! 254: const char *value = *mv;
! 255: /* Test whether it looks like a cast expression. */
! 256: if (strncmp (value, "((unsigned int)"/*)*/, 15) == 0
! 257: || strncmp (value, "((unsigned short)"/*)*/, 17) == 0
! 258: || strncmp (value, "((unsigned char)"/*)*/, 16) == 0
! 259: || strncmp (value, "((int)"/*)*/, 6) == 0
! 260: || strncmp (value, "((signed short)"/*)*/, 15) == 0
! 261: || strncmp (value, "((signed char)"/*)*/, 14) == 0)
! 262: return 1;
! 263: }
! 264: return 0;
! 265: ]])],
! 266: [gl_cv_header_working_stdint_h=yes],
! 267: [],
! 268: [dnl When cross-compiling, assume it works.
! 269: gl_cv_header_working_stdint_h=yes
! 270: ])
! 271: ])
! 272: ])
! 273: fi
! 274: if test "$gl_cv_header_working_stdint_h" = yes; then
! 275: STDINT_H=
! 276: else
! 277: dnl Check for <sys/inttypes.h>, and for
! 278: dnl <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5).
! 279: AC_CHECK_HEADERS([sys/inttypes.h sys/bitypes.h])
! 280: if test $ac_cv_header_sys_inttypes_h = yes; then
! 281: HAVE_SYS_INTTYPES_H=1
! 282: else
! 283: HAVE_SYS_INTTYPES_H=0
! 284: fi
! 285: AC_SUBST([HAVE_SYS_INTTYPES_H])
! 286: if test $ac_cv_header_sys_bitypes_h = yes; then
! 287: HAVE_SYS_BITYPES_H=1
! 288: else
! 289: HAVE_SYS_BITYPES_H=0
! 290: fi
! 291: AC_SUBST([HAVE_SYS_BITYPES_H])
! 292:
! 293: dnl Check for <wchar.h> (missing in Linux uClibc when built without wide
! 294: dnl character support).
! 295: AC_CHECK_HEADERS_ONCE([wchar.h])
! 296:
! 297: gl_STDINT_TYPE_PROPERTIES
! 298: STDINT_H=stdint.h
! 299: fi
! 300: AC_SUBST([STDINT_H])
! 301: ])
! 302:
! 303: dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES)
! 304: dnl Determine the size of each of the given types in bits.
! 305: AC_DEFUN([gl_STDINT_BITSIZEOF],
! 306: [
! 307: dnl Use a shell loop, to avoid bloating configure, and
! 308: dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
! 309: dnl config.h.in,
! 310: dnl - extra AC_SUBST calls, so that the right substitutions are made.
! 311: m4_foreach_w([gltype], [$1],
! 312: [AH_TEMPLATE([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
! 313: [Define to the number of bits in type ']gltype['.])])
! 314: for gltype in $1 ; do
! 315: AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}],
! 316: [AC_COMPUTE_INT([result], [sizeof ($gltype) * CHAR_BIT],
! 317: [$2
! 318: #include <limits.h>], [result=unknown])
! 319: eval gl_cv_bitsizeof_${gltype}=\$result
! 320: ])
! 321: eval result=\$gl_cv_bitsizeof_${gltype}
! 322: if test $result = unknown; then
! 323: dnl Use a nonempty default, because some compilers, such as IRIX 5 cc,
! 324: dnl do a syntax check even on unused #if conditions and give an error
! 325: dnl on valid C code like this:
! 326: dnl #if 0
! 327: dnl # if > 32
! 328: dnl # endif
! 329: dnl #endif
! 330: result=0
! 331: fi
! 332: GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
! 333: AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result])
! 334: eval BITSIZEOF_${GLTYPE}=\$result
! 335: done
! 336: m4_foreach_w([gltype], [$1],
! 337: [AC_SUBST([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
! 338: ])
! 339:
! 340: dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES)
! 341: dnl Determine the signedness of each of the given types.
! 342: dnl Define HAVE_SIGNED_TYPE if type is signed.
! 343: AC_DEFUN([gl_CHECK_TYPES_SIGNED],
! 344: [
! 345: dnl Use a shell loop, to avoid bloating configure, and
! 346: dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
! 347: dnl config.h.in,
! 348: dnl - extra AC_SUBST calls, so that the right substitutions are made.
! 349: m4_foreach_w([gltype], [$1],
! 350: [AH_TEMPLATE([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
! 351: [Define to 1 if ']gltype[' is a signed integer type.])])
! 352: for gltype in $1 ; do
! 353: AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed],
! 354: [AC_COMPILE_IFELSE(
! 355: [AC_LANG_PROGRAM([$2[
! 356: int verify[2 * (($gltype) -1 < ($gltype) 0) - 1];]])],
! 357: result=yes, result=no)
! 358: eval gl_cv_type_${gltype}_signed=\$result
! 359: ])
! 360: eval result=\$gl_cv_type_${gltype}_signed
! 361: GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
! 362: if test "$result" = yes; then
! 363: AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], [1])
! 364: eval HAVE_SIGNED_${GLTYPE}=1
! 365: else
! 366: eval HAVE_SIGNED_${GLTYPE}=0
! 367: fi
! 368: done
! 369: m4_foreach_w([gltype], [$1],
! 370: [AC_SUBST([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
! 371: ])
! 372:
! 373: dnl gl_INTEGER_TYPE_SUFFIX(TYPES, INCLUDES)
! 374: dnl Determine the suffix to use for integer constants of the given types.
! 375: dnl Define t_SUFFIX for each such type.
! 376: AC_DEFUN([gl_INTEGER_TYPE_SUFFIX],
! 377: [
! 378: dnl Use a shell loop, to avoid bloating configure, and
! 379: dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
! 380: dnl config.h.in,
! 381: dnl - extra AC_SUBST calls, so that the right substitutions are made.
! 382: m4_foreach_w([gltype], [$1],
! 383: [AH_TEMPLATE(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX],
! 384: [Define to l, ll, u, ul, ull, etc., as suitable for
! 385: constants of type ']gltype['.])])
! 386: for gltype in $1 ; do
! 387: AC_CACHE_CHECK([for $gltype integer literal suffix],
! 388: [gl_cv_type_${gltype}_suffix],
! 389: [eval gl_cv_type_${gltype}_suffix=no
! 390: eval result=\$gl_cv_type_${gltype}_signed
! 391: if test "$result" = yes; then
! 392: glsufu=
! 393: else
! 394: glsufu=u
! 395: fi
! 396: for glsuf in "$glsufu" ${glsufu}l ${glsufu}ll ${glsufu}i64; do
! 397: case $glsuf in
! 398: '') gltype1='int';;
! 399: l) gltype1='long int';;
! 400: ll) gltype1='long long int';;
! 401: i64) gltype1='__int64';;
! 402: u) gltype1='unsigned int';;
! 403: ul) gltype1='unsigned long int';;
! 404: ull) gltype1='unsigned long long int';;
! 405: ui64)gltype1='unsigned __int64';;
! 406: esac
! 407: AC_COMPILE_IFELSE(
! 408: [AC_LANG_PROGRAM([$2[
! 409: extern $gltype foo;
! 410: extern $gltype1 foo;]])],
! 411: [eval gl_cv_type_${gltype}_suffix=\$glsuf])
! 412: eval result=\$gl_cv_type_${gltype}_suffix
! 413: test "$result" != no && break
! 414: done])
! 415: GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
! 416: eval result=\$gl_cv_type_${gltype}_suffix
! 417: test "$result" = no && result=
! 418: eval ${GLTYPE}_SUFFIX=\$result
! 419: AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], [$result])
! 420: done
! 421: m4_foreach_w([gltype], [$1],
! 422: [AC_SUBST(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])])
! 423: ])
! 424:
! 425: dnl gl_STDINT_INCLUDES
! 426: AC_DEFUN([gl_STDINT_INCLUDES],
! 427: [[
! 428: /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
! 429: included before <wchar.h>. */
! 430: #include <stddef.h>
! 431: #include <signal.h>
! 432: #if HAVE_WCHAR_H
! 433: # include <stdio.h>
! 434: # include <time.h>
! 435: # include <wchar.h>
! 436: #endif
! 437: ]])
! 438:
! 439: dnl gl_STDINT_TYPE_PROPERTIES
! 440: dnl Compute HAVE_SIGNED_t, BITSIZEOF_t and t_SUFFIX, for all the types t
! 441: dnl of interest to stdint.in.h.
! 442: AC_DEFUN([gl_STDINT_TYPE_PROPERTIES],
! 443: [
! 444: AC_REQUIRE([gl_MULTIARCH])
! 445: if test $APPLE_UNIVERSAL_BUILD = 0; then
! 446: gl_STDINT_BITSIZEOF([ptrdiff_t size_t],
! 447: [gl_STDINT_INCLUDES])
! 448: fi
! 449: gl_STDINT_BITSIZEOF([sig_atomic_t wchar_t wint_t],
! 450: [gl_STDINT_INCLUDES])
! 451: gl_CHECK_TYPES_SIGNED([sig_atomic_t wchar_t wint_t],
! 452: [gl_STDINT_INCLUDES])
! 453: gl_cv_type_ptrdiff_t_signed=yes
! 454: gl_cv_type_size_t_signed=no
! 455: if test $APPLE_UNIVERSAL_BUILD = 0; then
! 456: gl_INTEGER_TYPE_SUFFIX([ptrdiff_t size_t],
! 457: [gl_STDINT_INCLUDES])
! 458: fi
! 459: gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t],
! 460: [gl_STDINT_INCLUDES])
! 461: ])
! 462:
! 463: dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
! 464: dnl Remove this when we can assume autoconf >= 2.61.
! 465: m4_ifdef([AC_COMPUTE_INT], [], [
! 466: AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
! 467: ])
! 468:
! 469: # Hey Emacs!
! 470: # Local Variables:
! 471: # indent-tabs-mode: nil
! 472: # End:
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