Update Gnulib to the latest git version
[deliverable/binutils-gdb.git] / gnulib / import / m4 / stdint.m4
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1# stdint.m4 serial 53
2dnl Copyright (C) 2001-2019 Free Software Foundation, Inc.
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3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl From Paul Eggert and Bruno Haible.
8dnl Test whether <stdint.h> is supported or must be substituted.
9
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10AC_PREREQ([2.61])
11
770d76d7 12AC_DEFUN_ONCE([gl_STDINT_H],
f6ea5628 13[
f434ba03 14 AC_PREREQ([2.59])dnl
c0c3707f 15 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
f6ea5628 16
49e4877c 17 AC_REQUIRE([gl_LIMITS_H])
c0c3707f 18 AC_REQUIRE([gt_TYPE_WINT_T])
49e4877c 19
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20 dnl Check for long long int and unsigned long long int.
21 AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
22 if test $ac_cv_type_long_long_int = yes; then
23 HAVE_LONG_LONG_INT=1
24 else
25 HAVE_LONG_LONG_INT=0
26 fi
27 AC_SUBST([HAVE_LONG_LONG_INT])
28 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
29 if test $ac_cv_type_unsigned_long_long_int = yes; then
30 HAVE_UNSIGNED_LONG_LONG_INT=1
31 else
32 HAVE_UNSIGNED_LONG_LONG_INT=0
33 fi
34 AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT])
35
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36 dnl Check for <wchar.h>, in the same way as gl_WCHAR_H does.
37 AC_CHECK_HEADERS_ONCE([wchar.h])
38 if test $ac_cv_header_wchar_h = yes; then
39 HAVE_WCHAR_H=1
40 else
41 HAVE_WCHAR_H=0
42 fi
43 AC_SUBST([HAVE_WCHAR_H])
44
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45 dnl Check for <inttypes.h>.
46 dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h.
47 if test $ac_cv_header_inttypes_h = yes; then
48 HAVE_INTTYPES_H=1
49 else
50 HAVE_INTTYPES_H=0
51 fi
52 AC_SUBST([HAVE_INTTYPES_H])
53
54 dnl Check for <sys/types.h>.
55 dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_sys_types_h.
56 if test $ac_cv_header_sys_types_h = yes; then
57 HAVE_SYS_TYPES_H=1
58 else
59 HAVE_SYS_TYPES_H=0
60 fi
61 AC_SUBST([HAVE_SYS_TYPES_H])
62
63 gl_CHECK_NEXT_HEADERS([stdint.h])
64 if test $ac_cv_header_stdint_h = yes; then
65 HAVE_STDINT_H=1
66 else
67 HAVE_STDINT_H=0
68 fi
69 AC_SUBST([HAVE_STDINT_H])
70
71 dnl Now see whether we need a substitute <stdint.h>.
72 if test $ac_cv_header_stdint_h = yes; then
73 AC_CACHE_CHECK([whether stdint.h conforms to C99],
74 [gl_cv_header_working_stdint_h],
75 [gl_cv_header_working_stdint_h=no
76 AC_COMPILE_IFELSE([
77 AC_LANG_PROGRAM([[
f6ea5628 78#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
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79#define __STDC_CONSTANT_MACROS 1
80#define __STDC_LIMIT_MACROS 1
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81#include <stdint.h>
82/* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>. */
83#if !(defined WCHAR_MIN && defined WCHAR_MAX)
84#error "WCHAR_MIN, WCHAR_MAX not defined in <stdint.h>"
85#endif
86]
87gl_STDINT_INCLUDES
88[
89#ifdef INT8_MAX
90int8_t a1 = INT8_MAX;
91int8_t a1min = INT8_MIN;
92#endif
93#ifdef INT16_MAX
94int16_t a2 = INT16_MAX;
95int16_t a2min = INT16_MIN;
96#endif
97#ifdef INT32_MAX
98int32_t a3 = INT32_MAX;
99int32_t a3min = INT32_MIN;
100#endif
101#ifdef INT64_MAX
102int64_t a4 = INT64_MAX;
103int64_t a4min = INT64_MIN;
104#endif
105#ifdef UINT8_MAX
106uint8_t b1 = UINT8_MAX;
107#else
108typedef int b1[(unsigned char) -1 != 255 ? 1 : -1];
109#endif
110#ifdef UINT16_MAX
111uint16_t b2 = UINT16_MAX;
112#endif
113#ifdef UINT32_MAX
114uint32_t b3 = UINT32_MAX;
115#endif
116#ifdef UINT64_MAX
117uint64_t b4 = UINT64_MAX;
118#endif
119int_least8_t c1 = INT8_C (0x7f);
120int_least8_t c1max = INT_LEAST8_MAX;
121int_least8_t c1min = INT_LEAST8_MIN;
122int_least16_t c2 = INT16_C (0x7fff);
123int_least16_t c2max = INT_LEAST16_MAX;
124int_least16_t c2min = INT_LEAST16_MIN;
125int_least32_t c3 = INT32_C (0x7fffffff);
126int_least32_t c3max = INT_LEAST32_MAX;
127int_least32_t c3min = INT_LEAST32_MIN;
128int_least64_t c4 = INT64_C (0x7fffffffffffffff);
129int_least64_t c4max = INT_LEAST64_MAX;
130int_least64_t c4min = INT_LEAST64_MIN;
131uint_least8_t d1 = UINT8_C (0xff);
132uint_least8_t d1max = UINT_LEAST8_MAX;
133uint_least16_t d2 = UINT16_C (0xffff);
134uint_least16_t d2max = UINT_LEAST16_MAX;
135uint_least32_t d3 = UINT32_C (0xffffffff);
136uint_least32_t d3max = UINT_LEAST32_MAX;
137uint_least64_t d4 = UINT64_C (0xffffffffffffffff);
138uint_least64_t d4max = UINT_LEAST64_MAX;
139int_fast8_t e1 = INT_FAST8_MAX;
140int_fast8_t e1min = INT_FAST8_MIN;
141int_fast16_t e2 = INT_FAST16_MAX;
142int_fast16_t e2min = INT_FAST16_MIN;
143int_fast32_t e3 = INT_FAST32_MAX;
144int_fast32_t e3min = INT_FAST32_MIN;
145int_fast64_t e4 = INT_FAST64_MAX;
146int_fast64_t e4min = INT_FAST64_MIN;
147uint_fast8_t f1 = UINT_FAST8_MAX;
148uint_fast16_t f2 = UINT_FAST16_MAX;
149uint_fast32_t f3 = UINT_FAST32_MAX;
150uint_fast64_t f4 = UINT_FAST64_MAX;
151#ifdef INTPTR_MAX
152intptr_t g = INTPTR_MAX;
153intptr_t gmin = INTPTR_MIN;
154#endif
155#ifdef UINTPTR_MAX
156uintptr_t h = UINTPTR_MAX;
157#endif
158intmax_t i = INTMAX_MAX;
159uintmax_t j = UINTMAX_MAX;
160
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161/* Check that SIZE_MAX has the correct type, if possible. */
162#if 201112 <= __STDC_VERSION__
163int k = _Generic (SIZE_MAX, size_t: 0);
164#elif (2 <= __GNUC__ || defined __IBM__TYPEOF__ \
165 || (0x5110 <= __SUNPRO_C && !__STDC__))
166extern size_t k;
167extern __typeof__ (SIZE_MAX) k;
168#endif
169
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170#include <limits.h> /* for CHAR_BIT */
171#define TYPE_MINIMUM(t) \
770d76d7 172 ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t)))
f6ea5628 173#define TYPE_MAXIMUM(t) \
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174 ((t) ((t) 0 < (t) -1 \
175 ? (t) -1 \
176 : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1)))
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177struct s {
178 int check_PTRDIFF:
179 PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t)
180 && PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t)
181 ? 1 : -1;
182 /* Detect bug in FreeBSD 6.0 / ia64. */
183 int check_SIG_ATOMIC:
184 SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t)
185 && SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t)
186 ? 1 : -1;
187 int check_SIZE: SIZE_MAX == TYPE_MAXIMUM (size_t) ? 1 : -1;
188 int check_WCHAR:
189 WCHAR_MIN == TYPE_MINIMUM (wchar_t)
190 && WCHAR_MAX == TYPE_MAXIMUM (wchar_t)
191 ? 1 : -1;
192 /* Detect bug in mingw. */
193 int check_WINT:
194 WINT_MIN == TYPE_MINIMUM (wint_t)
195 && WINT_MAX == TYPE_MAXIMUM (wint_t)
196 ? 1 : -1;
197
198 /* Detect bugs in glibc 2.4 and Solaris 10 stdint.h, among others. */
199 int check_UINT8_C:
200 (-1 < UINT8_C (0)) == (-1 < (uint_least8_t) 0) ? 1 : -1;
201 int check_UINT16_C:
202 (-1 < UINT16_C (0)) == (-1 < (uint_least16_t) 0) ? 1 : -1;
203
204 /* Detect bugs in OpenBSD 3.9 stdint.h. */
205#ifdef UINT8_MAX
206 int check_uint8: (uint8_t) -1 == UINT8_MAX ? 1 : -1;
207#endif
208#ifdef UINT16_MAX
209 int check_uint16: (uint16_t) -1 == UINT16_MAX ? 1 : -1;
210#endif
211#ifdef UINT32_MAX
212 int check_uint32: (uint32_t) -1 == UINT32_MAX ? 1 : -1;
213#endif
214#ifdef UINT64_MAX
215 int check_uint64: (uint64_t) -1 == UINT64_MAX ? 1 : -1;
216#endif
217 int check_uint_least8: (uint_least8_t) -1 == UINT_LEAST8_MAX ? 1 : -1;
218 int check_uint_least16: (uint_least16_t) -1 == UINT_LEAST16_MAX ? 1 : -1;
219 int check_uint_least32: (uint_least32_t) -1 == UINT_LEAST32_MAX ? 1 : -1;
220 int check_uint_least64: (uint_least64_t) -1 == UINT_LEAST64_MAX ? 1 : -1;
221 int check_uint_fast8: (uint_fast8_t) -1 == UINT_FAST8_MAX ? 1 : -1;
222 int check_uint_fast16: (uint_fast16_t) -1 == UINT_FAST16_MAX ? 1 : -1;
223 int check_uint_fast32: (uint_fast32_t) -1 == UINT_FAST32_MAX ? 1 : -1;
224 int check_uint_fast64: (uint_fast64_t) -1 == UINT_FAST64_MAX ? 1 : -1;
225 int check_uintptr: (uintptr_t) -1 == UINTPTR_MAX ? 1 : -1;
226 int check_uintmax: (uintmax_t) -1 == UINTMAX_MAX ? 1 : -1;
227 int check_size: (size_t) -1 == SIZE_MAX ? 1 : -1;
228};
229 ]])],
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230 [dnl Determine whether the various *_MIN, *_MAX macros are usable
231 dnl in preprocessor expression. We could do it by compiling a test
232 dnl program for each of these macros. It is faster to run a program
233 dnl that inspects the macro expansion.
234 dnl This detects a bug on HP-UX 11.23/ia64.
235 AC_RUN_IFELSE([
236 AC_LANG_PROGRAM([[
f434ba03 237#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
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238#define __STDC_CONSTANT_MACROS 1
239#define __STDC_LIMIT_MACROS 1
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240#include <stdint.h>
241]
242gl_STDINT_INCLUDES
243[
244#include <stdio.h>
245#include <string.h>
246#define MVAL(macro) MVAL1(macro)
247#define MVAL1(expression) #expression
248static const char *macro_values[] =
249 {
250#ifdef INT8_MAX
251 MVAL (INT8_MAX),
252#endif
253#ifdef INT16_MAX
254 MVAL (INT16_MAX),
255#endif
256#ifdef INT32_MAX
257 MVAL (INT32_MAX),
258#endif
259#ifdef INT64_MAX
260 MVAL (INT64_MAX),
261#endif
262#ifdef UINT8_MAX
263 MVAL (UINT8_MAX),
264#endif
265#ifdef UINT16_MAX
266 MVAL (UINT16_MAX),
267#endif
268#ifdef UINT32_MAX
269 MVAL (UINT32_MAX),
270#endif
271#ifdef UINT64_MAX
272 MVAL (UINT64_MAX),
273#endif
274 NULL
275 };
276]], [[
277 const char **mv;
278 for (mv = macro_values; *mv != NULL; mv++)
279 {
280 const char *value = *mv;
281 /* Test whether it looks like a cast expression. */
282 if (strncmp (value, "((unsigned int)"/*)*/, 15) == 0
283 || strncmp (value, "((unsigned short)"/*)*/, 17) == 0
284 || strncmp (value, "((unsigned char)"/*)*/, 16) == 0
285 || strncmp (value, "((int)"/*)*/, 6) == 0
286 || strncmp (value, "((signed short)"/*)*/, 15) == 0
287 || strncmp (value, "((signed char)"/*)*/, 14) == 0)
770d76d7 288 return mv - macro_values + 1;
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289 }
290 return 0;
291]])],
292 [gl_cv_header_working_stdint_h=yes],
293 [],
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294 [case "$host_os" in
295 # Guess yes on native Windows.
296 mingw*) gl_cv_header_working_stdint_h="guessing yes" ;;
297 # In general, assume it works.
298 *) gl_cv_header_working_stdint_h="guessing yes" ;;
299 esac
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300 ])
301 ])
302 ])
f6ea5628 303 fi
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304
305 HAVE_C99_STDINT_H=0
306 HAVE_SYS_BITYPES_H=0
307 HAVE_SYS_INTTYPES_H=0
308 STDINT_H=stdint.h
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309 case "$gl_cv_header_working_stdint_h" in
310 *yes)
311 HAVE_C99_STDINT_H=1
312 dnl Now see whether the system <stdint.h> works without
313 dnl __STDC_CONSTANT_MACROS/__STDC_LIMIT_MACROS defined.
314 AC_CACHE_CHECK([whether stdint.h predates C++11],
315 [gl_cv_header_stdint_predates_cxx11_h],
316 [gl_cv_header_stdint_predates_cxx11_h=yes
317 AC_COMPILE_IFELSE([
318 AC_LANG_PROGRAM([[
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319#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
320#include <stdint.h>
321]
322gl_STDINT_INCLUDES
323[
324intmax_t im = INTMAX_MAX;
325int32_t i32 = INT32_C (0x7fffffff);
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326 ]])],
327 [gl_cv_header_stdint_predates_cxx11_h=no])])
49e4877c 328
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329 if test "$gl_cv_header_stdint_predates_cxx11_h" = yes; then
330 AC_DEFINE([__STDC_CONSTANT_MACROS], [1],
331 [Define to 1 if the system <stdint.h> predates C++11.])
332 AC_DEFINE([__STDC_LIMIT_MACROS], [1],
333 [Define to 1 if the system <stdint.h> predates C++11.])
334 fi
335 AC_CACHE_CHECK([whether stdint.h has UINTMAX_WIDTH etc.],
336 [gl_cv_header_stdint_width],
337 [gl_cv_header_stdint_width=no
338 AC_COMPILE_IFELSE(
339 [AC_LANG_PROGRAM([[
340 /* Work if build is not clean. */
341 #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1
342 #ifndef __STDC_WANT_IEC_60559_BFP_EXT__
343 #define __STDC_WANT_IEC_60559_BFP_EXT__ 1
344 #endif
345 #include <stdint.h>
346 ]gl_STDINT_INCLUDES[
347 int iw = UINTMAX_WIDTH;
348 ]])],
349 [gl_cv_header_stdint_width=yes])])
350 if test "$gl_cv_header_stdint_width" = yes; then
351 STDINT_H=
352 fi
353 ;;
354 *)
355 dnl Check for <sys/inttypes.h>, and for
356 dnl <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5).
357 AC_CHECK_HEADERS([sys/inttypes.h sys/bitypes.h])
358 if test $ac_cv_header_sys_inttypes_h = yes; then
359 HAVE_SYS_INTTYPES_H=1
360 fi
361 if test $ac_cv_header_sys_bitypes_h = yes; then
362 HAVE_SYS_BITYPES_H=1
363 fi
364 gl_STDINT_TYPE_PROPERTIES
365 ;;
366 esac
49e4877c 367
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368 dnl The substitute stdint.h needs the substitute limit.h's _GL_INTEGER_WIDTH.
369 gl_REPLACE_LIMITS_H
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370
371 AC_SUBST([HAVE_C99_STDINT_H])
372 AC_SUBST([HAVE_SYS_BITYPES_H])
373 AC_SUBST([HAVE_SYS_INTTYPES_H])
f434ba03 374 AC_SUBST([STDINT_H])
770d76d7 375 AM_CONDITIONAL([GL_GENERATE_STDINT_H], [test -n "$STDINT_H"])
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376])
377
378dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES)
379dnl Determine the size of each of the given types in bits.
380AC_DEFUN([gl_STDINT_BITSIZEOF],
381[
382 dnl Use a shell loop, to avoid bloating configure, and
383 dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
384 dnl config.h.in,
385 dnl - extra AC_SUBST calls, so that the right substitutions are made.
f434ba03 386 m4_foreach_w([gltype], [$1],
770d76d7 387 [AH_TEMPLATE([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
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388 [Define to the number of bits in type ']gltype['.])])
389 for gltype in $1 ; do
390 AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}],
391 [AC_COMPUTE_INT([result], [sizeof ($gltype) * CHAR_BIT],
392 [$2
393#include <limits.h>], [result=unknown])
394 eval gl_cv_bitsizeof_${gltype}=\$result
395 ])
396 eval result=\$gl_cv_bitsizeof_${gltype}
397 if test $result = unknown; then
398 dnl Use a nonempty default, because some compilers, such as IRIX 5 cc,
399 dnl do a syntax check even on unused #if conditions and give an error
400 dnl on valid C code like this:
401 dnl #if 0
402 dnl # if > 32
403 dnl # endif
404 dnl #endif
405 result=0
406 fi
407 GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
408 AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result])
409 eval BITSIZEOF_${GLTYPE}=\$result
410 done
f434ba03 411 m4_foreach_w([gltype], [$1],
770d76d7 412 [AC_SUBST([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
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413])
414
415dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES)
416dnl Determine the signedness of each of the given types.
417dnl Define HAVE_SIGNED_TYPE if type is signed.
418AC_DEFUN([gl_CHECK_TYPES_SIGNED],
419[
420 dnl Use a shell loop, to avoid bloating configure, and
421 dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
422 dnl config.h.in,
423 dnl - extra AC_SUBST calls, so that the right substitutions are made.
f434ba03 424 m4_foreach_w([gltype], [$1],
770d76d7 425 [AH_TEMPLATE([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
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426 [Define to 1 if ']gltype[' is a signed integer type.])])
427 for gltype in $1 ; do
428 AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed],
429 [AC_COMPILE_IFELSE(
430 [AC_LANG_PROGRAM([$2[
431 int verify[2 * (($gltype) -1 < ($gltype) 0) - 1];]])],
432 result=yes, result=no)
433 eval gl_cv_type_${gltype}_signed=\$result
434 ])
435 eval result=\$gl_cv_type_${gltype}_signed
436 GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
437 if test "$result" = yes; then
f434ba03 438 AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], [1])
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439 eval HAVE_SIGNED_${GLTYPE}=1
440 else
441 eval HAVE_SIGNED_${GLTYPE}=0
442 fi
443 done
f434ba03 444 m4_foreach_w([gltype], [$1],
770d76d7 445 [AC_SUBST([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
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446])
447
448dnl gl_INTEGER_TYPE_SUFFIX(TYPES, INCLUDES)
449dnl Determine the suffix to use for integer constants of the given types.
450dnl Define t_SUFFIX for each such type.
451AC_DEFUN([gl_INTEGER_TYPE_SUFFIX],
452[
453 dnl Use a shell loop, to avoid bloating configure, and
454 dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
455 dnl config.h.in,
456 dnl - extra AC_SUBST calls, so that the right substitutions are made.
f434ba03 457 m4_foreach_w([gltype], [$1],
770d76d7 458 [AH_TEMPLATE(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX],
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459 [Define to l, ll, u, ul, ull, etc., as suitable for
460 constants of type ']gltype['.])])
461 for gltype in $1 ; do
462 AC_CACHE_CHECK([for $gltype integer literal suffix],
463 [gl_cv_type_${gltype}_suffix],
464 [eval gl_cv_type_${gltype}_suffix=no
465 eval result=\$gl_cv_type_${gltype}_signed
466 if test "$result" = yes; then
467 glsufu=
468 else
469 glsufu=u
470 fi
471 for glsuf in "$glsufu" ${glsufu}l ${glsufu}ll ${glsufu}i64; do
472 case $glsuf in
473 '') gltype1='int';;
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474 l) gltype1='long int';;
475 ll) gltype1='long long int';;
476 i64) gltype1='__int64';;
477 u) gltype1='unsigned int';;
478 ul) gltype1='unsigned long int';;
479 ull) gltype1='unsigned long long int';;
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480 ui64)gltype1='unsigned __int64';;
481 esac
482 AC_COMPILE_IFELSE(
f434ba03 483 [AC_LANG_PROGRAM([$2[
f6ea5628 484 extern $gltype foo;
f434ba03 485 extern $gltype1 foo;]])],
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486 [eval gl_cv_type_${gltype}_suffix=\$glsuf])
487 eval result=\$gl_cv_type_${gltype}_suffix
488 test "$result" != no && break
489 done])
490 GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
491 eval result=\$gl_cv_type_${gltype}_suffix
492 test "$result" = no && result=
493 eval ${GLTYPE}_SUFFIX=\$result
f434ba03 494 AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], [$result])
f6ea5628 495 done
f434ba03 496 m4_foreach_w([gltype], [$1],
770d76d7 497 [AC_SUBST(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])])
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498])
499
500dnl gl_STDINT_INCLUDES
501AC_DEFUN([gl_STDINT_INCLUDES],
502[[
503 /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
504 included before <wchar.h>. */
505 #include <stddef.h>
506 #include <signal.h>
507 #if HAVE_WCHAR_H
508 # include <stdio.h>
509 # include <time.h>
510 # include <wchar.h>
511 #endif
512]])
513
514dnl gl_STDINT_TYPE_PROPERTIES
515dnl Compute HAVE_SIGNED_t, BITSIZEOF_t and t_SUFFIX, for all the types t
516dnl of interest to stdint.in.h.
517AC_DEFUN([gl_STDINT_TYPE_PROPERTIES],
518[
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519 AC_REQUIRE([gl_MULTIARCH])
520 if test $APPLE_UNIVERSAL_BUILD = 0; then
521 gl_STDINT_BITSIZEOF([ptrdiff_t size_t],
522 [gl_STDINT_INCLUDES])
523 fi
524 gl_STDINT_BITSIZEOF([sig_atomic_t wchar_t wint_t],
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525 [gl_STDINT_INCLUDES])
526 gl_CHECK_TYPES_SIGNED([sig_atomic_t wchar_t wint_t],
527 [gl_STDINT_INCLUDES])
528 gl_cv_type_ptrdiff_t_signed=yes
529 gl_cv_type_size_t_signed=no
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530 if test $APPLE_UNIVERSAL_BUILD = 0; then
531 gl_INTEGER_TYPE_SUFFIX([ptrdiff_t size_t],
532 [gl_STDINT_INCLUDES])
533 fi
534 gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t],
f6ea5628 535 [gl_STDINT_INCLUDES])
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536
537 dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99
538 dnl requirement that wint_t is "unchanged by default argument promotions".
539 dnl In this case gnulib's <wchar.h> and <wctype.h> override wint_t.
540 dnl Set the variable BITSIZEOF_WINT_T accordingly.
c0c3707f 541 if test $GNULIB_OVERRIDES_WINT_T = 1; then
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542 BITSIZEOF_WINT_T=32
543 fi
f6ea5628 544])
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