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caf8a9b2 | 1 | # stdint.m4 serial 43 |
ba318903 | 2 | dnl Copyright (C) 2001-2014 Free Software Foundation, Inc. |
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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 | ||
3870d303 | 10 | AC_DEFUN_ONCE([gl_STDINT_H], |
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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 <wchar.h>, in the same way as gl_WCHAR_H does. | |
31 | AC_CHECK_HEADERS_ONCE([wchar.h]) | |
32 | if test $ac_cv_header_wchar_h = yes; then | |
33 | HAVE_WCHAR_H=1 | |
34 | else | |
35 | HAVE_WCHAR_H=0 | |
36 | fi | |
37 | AC_SUBST([HAVE_WCHAR_H]) | |
38 | ||
39 | dnl Check for <inttypes.h>. | |
40 | dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h. | |
41 | if test $ac_cv_header_inttypes_h = yes; then | |
42 | HAVE_INTTYPES_H=1 | |
43 | else | |
44 | HAVE_INTTYPES_H=0 | |
45 | fi | |
46 | AC_SUBST([HAVE_INTTYPES_H]) | |
47 | ||
48 | dnl Check for <sys/types.h>. | |
49 | dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_sys_types_h. | |
50 | if test $ac_cv_header_sys_types_h = yes; then | |
51 | HAVE_SYS_TYPES_H=1 | |
52 | else | |
53 | HAVE_SYS_TYPES_H=0 | |
54 | fi | |
55 | AC_SUBST([HAVE_SYS_TYPES_H]) | |
56 | ||
57 | gl_CHECK_NEXT_HEADERS([stdint.h]) | |
58 | if test $ac_cv_header_stdint_h = yes; then | |
59 | HAVE_STDINT_H=1 | |
60 | else | |
61 | HAVE_STDINT_H=0 | |
62 | fi | |
63 | AC_SUBST([HAVE_STDINT_H]) | |
64 | ||
65 | dnl Now see whether we need a substitute <stdint.h>. | |
66 | if test $ac_cv_header_stdint_h = yes; then | |
67 | AC_CACHE_CHECK([whether stdint.h conforms to C99], | |
68 | [gl_cv_header_working_stdint_h], | |
69 | [gl_cv_header_working_stdint_h=no | |
70 | AC_COMPILE_IFELSE([ | |
71 | AC_LANG_PROGRAM([[ | |
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72 | #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ |
73 | #include <stdint.h> | |
74 | /* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>. */ | |
75 | #if !(defined WCHAR_MIN && defined WCHAR_MAX) | |
76 | #error "WCHAR_MIN, WCHAR_MAX not defined in <stdint.h>" | |
77 | #endif | |
78 | ] | |
79 | gl_STDINT_INCLUDES | |
80 | [ | |
81 | #ifdef INT8_MAX | |
82 | int8_t a1 = INT8_MAX; | |
83 | int8_t a1min = INT8_MIN; | |
84 | #endif | |
85 | #ifdef INT16_MAX | |
86 | int16_t a2 = INT16_MAX; | |
87 | int16_t a2min = INT16_MIN; | |
88 | #endif | |
89 | #ifdef INT32_MAX | |
90 | int32_t a3 = INT32_MAX; | |
91 | int32_t a3min = INT32_MIN; | |
92 | #endif | |
93 | #ifdef INT64_MAX | |
94 | int64_t a4 = INT64_MAX; | |
95 | int64_t a4min = INT64_MIN; | |
96 | #endif | |
97 | #ifdef UINT8_MAX | |
98 | uint8_t b1 = UINT8_MAX; | |
99 | #else | |
100 | typedef int b1[(unsigned char) -1 != 255 ? 1 : -1]; | |
101 | #endif | |
102 | #ifdef UINT16_MAX | |
103 | uint16_t b2 = UINT16_MAX; | |
104 | #endif | |
105 | #ifdef UINT32_MAX | |
106 | uint32_t b3 = UINT32_MAX; | |
107 | #endif | |
108 | #ifdef UINT64_MAX | |
109 | uint64_t b4 = UINT64_MAX; | |
110 | #endif | |
111 | int_least8_t c1 = INT8_C (0x7f); | |
112 | int_least8_t c1max = INT_LEAST8_MAX; | |
113 | int_least8_t c1min = INT_LEAST8_MIN; | |
114 | int_least16_t c2 = INT16_C (0x7fff); | |
115 | int_least16_t c2max = INT_LEAST16_MAX; | |
116 | int_least16_t c2min = INT_LEAST16_MIN; | |
117 | int_least32_t c3 = INT32_C (0x7fffffff); | |
118 | int_least32_t c3max = INT_LEAST32_MAX; | |
119 | int_least32_t c3min = INT_LEAST32_MIN; | |
120 | int_least64_t c4 = INT64_C (0x7fffffffffffffff); | |
121 | int_least64_t c4max = INT_LEAST64_MAX; | |
122 | int_least64_t c4min = INT_LEAST64_MIN; | |
123 | uint_least8_t d1 = UINT8_C (0xff); | |
124 | uint_least8_t d1max = UINT_LEAST8_MAX; | |
125 | uint_least16_t d2 = UINT16_C (0xffff); | |
126 | uint_least16_t d2max = UINT_LEAST16_MAX; | |
127 | uint_least32_t d3 = UINT32_C (0xffffffff); | |
128 | uint_least32_t d3max = UINT_LEAST32_MAX; | |
129 | uint_least64_t d4 = UINT64_C (0xffffffffffffffff); | |
130 | uint_least64_t d4max = UINT_LEAST64_MAX; | |
131 | int_fast8_t e1 = INT_FAST8_MAX; | |
132 | int_fast8_t e1min = INT_FAST8_MIN; | |
133 | int_fast16_t e2 = INT_FAST16_MAX; | |
134 | int_fast16_t e2min = INT_FAST16_MIN; | |
135 | int_fast32_t e3 = INT_FAST32_MAX; | |
136 | int_fast32_t e3min = INT_FAST32_MIN; | |
137 | int_fast64_t e4 = INT_FAST64_MAX; | |
138 | int_fast64_t e4min = INT_FAST64_MIN; | |
139 | uint_fast8_t f1 = UINT_FAST8_MAX; | |
140 | uint_fast16_t f2 = UINT_FAST16_MAX; | |
141 | uint_fast32_t f3 = UINT_FAST32_MAX; | |
142 | uint_fast64_t f4 = UINT_FAST64_MAX; | |
143 | #ifdef INTPTR_MAX | |
144 | intptr_t g = INTPTR_MAX; | |
145 | intptr_t gmin = INTPTR_MIN; | |
146 | #endif | |
147 | #ifdef UINTPTR_MAX | |
148 | uintptr_t h = UINTPTR_MAX; | |
149 | #endif | |
150 | intmax_t i = INTMAX_MAX; | |
151 | uintmax_t j = UINTMAX_MAX; | |
152 | ||
153 | #include <limits.h> /* for CHAR_BIT */ | |
154 | #define TYPE_MINIMUM(t) \ | |
155 | ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t))) | |
156 | #define TYPE_MAXIMUM(t) \ | |
157 | ((t) ((t) 0 < (t) -1 \ | |
158 | ? (t) -1 \ | |
159 | : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1))) | |
160 | struct s { | |
161 | int check_PTRDIFF: | |
162 | PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t) | |
163 | && PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t) | |
164 | ? 1 : -1; | |
165 | /* Detect bug in FreeBSD 6.0 / ia64. */ | |
166 | int check_SIG_ATOMIC: | |
167 | SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t) | |
168 | && SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t) | |
169 | ? 1 : -1; | |
170 | int check_SIZE: SIZE_MAX == TYPE_MAXIMUM (size_t) ? 1 : -1; | |
171 | int check_WCHAR: | |
172 | WCHAR_MIN == TYPE_MINIMUM (wchar_t) | |
173 | && WCHAR_MAX == TYPE_MAXIMUM (wchar_t) | |
174 | ? 1 : -1; | |
175 | /* Detect bug in mingw. */ | |
176 | int check_WINT: | |
177 | WINT_MIN == TYPE_MINIMUM (wint_t) | |
178 | && WINT_MAX == TYPE_MAXIMUM (wint_t) | |
179 | ? 1 : -1; | |
180 | ||
181 | /* Detect bugs in glibc 2.4 and Solaris 10 stdint.h, among others. */ | |
182 | int check_UINT8_C: | |
183 | (-1 < UINT8_C (0)) == (-1 < (uint_least8_t) 0) ? 1 : -1; | |
184 | int check_UINT16_C: | |
185 | (-1 < UINT16_C (0)) == (-1 < (uint_least16_t) 0) ? 1 : -1; | |
186 | ||
187 | /* Detect bugs in OpenBSD 3.9 stdint.h. */ | |
188 | #ifdef UINT8_MAX | |
189 | int check_uint8: (uint8_t) -1 == UINT8_MAX ? 1 : -1; | |
190 | #endif | |
191 | #ifdef UINT16_MAX | |
192 | int check_uint16: (uint16_t) -1 == UINT16_MAX ? 1 : -1; | |
193 | #endif | |
194 | #ifdef UINT32_MAX | |
195 | int check_uint32: (uint32_t) -1 == UINT32_MAX ? 1 : -1; | |
196 | #endif | |
197 | #ifdef UINT64_MAX | |
198 | int check_uint64: (uint64_t) -1 == UINT64_MAX ? 1 : -1; | |
199 | #endif | |
200 | int check_uint_least8: (uint_least8_t) -1 == UINT_LEAST8_MAX ? 1 : -1; | |
201 | int check_uint_least16: (uint_least16_t) -1 == UINT_LEAST16_MAX ? 1 : -1; | |
202 | int check_uint_least32: (uint_least32_t) -1 == UINT_LEAST32_MAX ? 1 : -1; | |
203 | int check_uint_least64: (uint_least64_t) -1 == UINT_LEAST64_MAX ? 1 : -1; | |
204 | int check_uint_fast8: (uint_fast8_t) -1 == UINT_FAST8_MAX ? 1 : -1; | |
205 | int check_uint_fast16: (uint_fast16_t) -1 == UINT_FAST16_MAX ? 1 : -1; | |
206 | int check_uint_fast32: (uint_fast32_t) -1 == UINT_FAST32_MAX ? 1 : -1; | |
207 | int check_uint_fast64: (uint_fast64_t) -1 == UINT_FAST64_MAX ? 1 : -1; | |
208 | int check_uintptr: (uintptr_t) -1 == UINTPTR_MAX ? 1 : -1; | |
209 | int check_uintmax: (uintmax_t) -1 == UINTMAX_MAX ? 1 : -1; | |
210 | int check_size: (size_t) -1 == SIZE_MAX ? 1 : -1; | |
211 | }; | |
212 | ]])], | |
213 | [dnl Determine whether the various *_MIN, *_MAX macros are usable | |
214 | dnl in preprocessor expression. We could do it by compiling a test | |
215 | dnl program for each of these macros. It is faster to run a program | |
216 | dnl that inspects the macro expansion. | |
217 | dnl This detects a bug on HP-UX 11.23/ia64. | |
218 | AC_RUN_IFELSE([ | |
219 | AC_LANG_PROGRAM([[ | |
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220 | #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ |
221 | #include <stdint.h> | |
222 | ] | |
223 | gl_STDINT_INCLUDES | |
224 | [ | |
225 | #include <stdio.h> | |
226 | #include <string.h> | |
227 | #define MVAL(macro) MVAL1(macro) | |
228 | #define MVAL1(expression) #expression | |
229 | static const char *macro_values[] = | |
230 | { | |
231 | #ifdef INT8_MAX | |
232 | MVAL (INT8_MAX), | |
233 | #endif | |
234 | #ifdef INT16_MAX | |
235 | MVAL (INT16_MAX), | |
236 | #endif | |
237 | #ifdef INT32_MAX | |
238 | MVAL (INT32_MAX), | |
239 | #endif | |
240 | #ifdef INT64_MAX | |
241 | MVAL (INT64_MAX), | |
242 | #endif | |
243 | #ifdef UINT8_MAX | |
244 | MVAL (UINT8_MAX), | |
245 | #endif | |
246 | #ifdef UINT16_MAX | |
247 | MVAL (UINT16_MAX), | |
248 | #endif | |
249 | #ifdef UINT32_MAX | |
250 | MVAL (UINT32_MAX), | |
251 | #endif | |
252 | #ifdef UINT64_MAX | |
253 | MVAL (UINT64_MAX), | |
254 | #endif | |
255 | NULL | |
256 | }; | |
257 | ]], [[ | |
258 | const char **mv; | |
259 | for (mv = macro_values; *mv != NULL; mv++) | |
260 | { | |
261 | const char *value = *mv; | |
262 | /* Test whether it looks like a cast expression. */ | |
263 | if (strncmp (value, "((unsigned int)"/*)*/, 15) == 0 | |
264 | || strncmp (value, "((unsigned short)"/*)*/, 17) == 0 | |
265 | || strncmp (value, "((unsigned char)"/*)*/, 16) == 0 | |
266 | || strncmp (value, "((int)"/*)*/, 6) == 0 | |
267 | || strncmp (value, "((signed short)"/*)*/, 15) == 0 | |
268 | || strncmp (value, "((signed char)"/*)*/, 14) == 0) | |
269 | return mv - macro_values + 1; | |
270 | } | |
271 | return 0; | |
272 | ]])], | |
273 | [gl_cv_header_working_stdint_h=yes], | |
274 | [], | |
275 | [dnl When cross-compiling, assume it works. | |
276 | gl_cv_header_working_stdint_h=yes | |
277 | ]) | |
278 | ]) | |
279 | ]) | |
280 | fi | |
281 | if test "$gl_cv_header_working_stdint_h" = yes; then | |
282 | STDINT_H= | |
283 | else | |
284 | dnl Check for <sys/inttypes.h>, and for | |
285 | dnl <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5). | |
286 | AC_CHECK_HEADERS([sys/inttypes.h sys/bitypes.h]) | |
287 | if test $ac_cv_header_sys_inttypes_h = yes; then | |
288 | HAVE_SYS_INTTYPES_H=1 | |
289 | else | |
290 | HAVE_SYS_INTTYPES_H=0 | |
291 | fi | |
292 | AC_SUBST([HAVE_SYS_INTTYPES_H]) | |
293 | if test $ac_cv_header_sys_bitypes_h = yes; then | |
294 | HAVE_SYS_BITYPES_H=1 | |
295 | else | |
296 | HAVE_SYS_BITYPES_H=0 | |
297 | fi | |
298 | AC_SUBST([HAVE_SYS_BITYPES_H]) | |
299 | ||
300 | gl_STDINT_TYPE_PROPERTIES | |
301 | STDINT_H=stdint.h | |
302 | fi | |
303 | AC_SUBST([STDINT_H]) | |
54fc1789 | 304 | AM_CONDITIONAL([GL_GENERATE_STDINT_H], [test -n "$STDINT_H"]) |
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305 | ]) |
306 | ||
307 | dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES) | |
308 | dnl Determine the size of each of the given types in bits. | |
309 | AC_DEFUN([gl_STDINT_BITSIZEOF], | |
310 | [ | |
311 | dnl Use a shell loop, to avoid bloating configure, and | |
312 | dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into | |
313 | dnl config.h.in, | |
314 | dnl - extra AC_SUBST calls, so that the right substitutions are made. | |
315 | m4_foreach_w([gltype], [$1], | |
316 | [AH_TEMPLATE([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), | |
317 | [Define to the number of bits in type ']gltype['.])]) | |
318 | for gltype in $1 ; do | |
319 | AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}], | |
320 | [AC_COMPUTE_INT([result], [sizeof ($gltype) * CHAR_BIT], | |
321 | [$2 | |
322 | #include <limits.h>], [result=unknown]) | |
323 | eval gl_cv_bitsizeof_${gltype}=\$result | |
324 | ]) | |
325 | eval result=\$gl_cv_bitsizeof_${gltype} | |
326 | if test $result = unknown; then | |
327 | dnl Use a nonempty default, because some compilers, such as IRIX 5 cc, | |
328 | dnl do a syntax check even on unused #if conditions and give an error | |
329 | dnl on valid C code like this: | |
330 | dnl #if 0 | |
331 | dnl # if > 32 | |
332 | dnl # endif | |
333 | dnl #endif | |
334 | result=0 | |
335 | fi | |
336 | GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` | |
337 | AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result]) | |
338 | eval BITSIZEOF_${GLTYPE}=\$result | |
339 | done | |
340 | m4_foreach_w([gltype], [$1], | |
341 | [AC_SUBST([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) | |
342 | ]) | |
343 | ||
344 | dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES) | |
345 | dnl Determine the signedness of each of the given types. | |
346 | dnl Define HAVE_SIGNED_TYPE if type is signed. | |
347 | AC_DEFUN([gl_CHECK_TYPES_SIGNED], | |
348 | [ | |
349 | dnl Use a shell loop, to avoid bloating configure, and | |
350 | dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into | |
351 | dnl config.h.in, | |
352 | dnl - extra AC_SUBST calls, so that the right substitutions are made. | |
353 | m4_foreach_w([gltype], [$1], | |
354 | [AH_TEMPLATE([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), | |
355 | [Define to 1 if ']gltype[' is a signed integer type.])]) | |
356 | for gltype in $1 ; do | |
357 | AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed], | |
358 | [AC_COMPILE_IFELSE( | |
359 | [AC_LANG_PROGRAM([$2[ | |
360 | int verify[2 * (($gltype) -1 < ($gltype) 0) - 1];]])], | |
361 | result=yes, result=no) | |
362 | eval gl_cv_type_${gltype}_signed=\$result | |
363 | ]) | |
364 | eval result=\$gl_cv_type_${gltype}_signed | |
365 | GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` | |
366 | if test "$result" = yes; then | |
367 | AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], [1]) | |
368 | eval HAVE_SIGNED_${GLTYPE}=1 | |
369 | else | |
370 | eval HAVE_SIGNED_${GLTYPE}=0 | |
371 | fi | |
372 | done | |
373 | m4_foreach_w([gltype], [$1], | |
374 | [AC_SUBST([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) | |
375 | ]) | |
376 | ||
377 | dnl gl_INTEGER_TYPE_SUFFIX(TYPES, INCLUDES) | |
378 | dnl Determine the suffix to use for integer constants of the given types. | |
379 | dnl Define t_SUFFIX for each such type. | |
380 | AC_DEFUN([gl_INTEGER_TYPE_SUFFIX], | |
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. | |
386 | m4_foreach_w([gltype], [$1], | |
387 | [AH_TEMPLATE(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX], | |
388 | [Define to l, ll, u, ul, ull, etc., as suitable for | |
389 | constants of type ']gltype['.])]) | |
390 | for gltype in $1 ; do | |
391 | AC_CACHE_CHECK([for $gltype integer literal suffix], | |
392 | [gl_cv_type_${gltype}_suffix], | |
393 | [eval gl_cv_type_${gltype}_suffix=no | |
394 | eval result=\$gl_cv_type_${gltype}_signed | |
395 | if test "$result" = yes; then | |
396 | glsufu= | |
397 | else | |
398 | glsufu=u | |
399 | fi | |
400 | for glsuf in "$glsufu" ${glsufu}l ${glsufu}ll ${glsufu}i64; do | |
401 | case $glsuf in | |
402 | '') gltype1='int';; | |
403 | l) gltype1='long int';; | |
404 | ll) gltype1='long long int';; | |
405 | i64) gltype1='__int64';; | |
406 | u) gltype1='unsigned int';; | |
407 | ul) gltype1='unsigned long int';; | |
408 | ull) gltype1='unsigned long long int';; | |
409 | ui64)gltype1='unsigned __int64';; | |
410 | esac | |
411 | AC_COMPILE_IFELSE( | |
412 | [AC_LANG_PROGRAM([$2[ | |
413 | extern $gltype foo; | |
414 | extern $gltype1 foo;]])], | |
415 | [eval gl_cv_type_${gltype}_suffix=\$glsuf]) | |
416 | eval result=\$gl_cv_type_${gltype}_suffix | |
417 | test "$result" != no && break | |
418 | done]) | |
419 | GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` | |
420 | eval result=\$gl_cv_type_${gltype}_suffix | |
421 | test "$result" = no && result= | |
422 | eval ${GLTYPE}_SUFFIX=\$result | |
423 | AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], [$result]) | |
424 | done | |
425 | m4_foreach_w([gltype], [$1], | |
426 | [AC_SUBST(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])]) | |
427 | ]) | |
428 | ||
429 | dnl gl_STDINT_INCLUDES | |
430 | AC_DEFUN([gl_STDINT_INCLUDES], | |
431 | [[ | |
432 | /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be | |
433 | included before <wchar.h>. */ | |
434 | #include <stddef.h> | |
435 | #include <signal.h> | |
436 | #if HAVE_WCHAR_H | |
437 | # include <stdio.h> | |
438 | # include <time.h> | |
439 | # include <wchar.h> | |
440 | #endif | |
441 | ]]) | |
442 | ||
443 | dnl gl_STDINT_TYPE_PROPERTIES | |
444 | dnl Compute HAVE_SIGNED_t, BITSIZEOF_t and t_SUFFIX, for all the types t | |
445 | dnl of interest to stdint.in.h. | |
446 | AC_DEFUN([gl_STDINT_TYPE_PROPERTIES], | |
447 | [ | |
448 | AC_REQUIRE([gl_MULTIARCH]) | |
449 | if test $APPLE_UNIVERSAL_BUILD = 0; then | |
450 | gl_STDINT_BITSIZEOF([ptrdiff_t size_t], | |
451 | [gl_STDINT_INCLUDES]) | |
452 | fi | |
453 | gl_STDINT_BITSIZEOF([sig_atomic_t wchar_t wint_t], | |
454 | [gl_STDINT_INCLUDES]) | |
455 | gl_CHECK_TYPES_SIGNED([sig_atomic_t wchar_t wint_t], | |
456 | [gl_STDINT_INCLUDES]) | |
457 | gl_cv_type_ptrdiff_t_signed=yes | |
458 | gl_cv_type_size_t_signed=no | |
459 | if test $APPLE_UNIVERSAL_BUILD = 0; then | |
460 | gl_INTEGER_TYPE_SUFFIX([ptrdiff_t size_t], | |
461 | [gl_STDINT_INCLUDES]) | |
462 | fi | |
463 | gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t], | |
464 | [gl_STDINT_INCLUDES]) | |
316f8af0 PE |
465 | |
466 | dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99 | |
467 | dnl requirement that wint_t is "unchanged by default argument promotions". | |
468 | dnl In this case gnulib's <wchar.h> and <wctype.h> override wint_t. | |
469 | dnl Set the variable BITSIZEOF_WINT_T accordingly. | |
470 | if test $BITSIZEOF_WINT_T -lt 32; then | |
471 | BITSIZEOF_WINT_T=32 | |
472 | fi | |
5f90be1b PE |
473 | ]) |
474 | ||
475 | dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in. | |
476 | dnl Remove this when we can assume autoconf >= 2.61. | |
477 | m4_ifdef([AC_COMPUTE_INT], [], [ | |
478 | AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])]) | |
479 | ]) | |
480 | ||
481 | # Hey Emacs! | |
482 | # Local Variables: | |
483 | # indent-tabs-mode: nil | |
484 | # End: |