|
434
|
1 # stdint.m4 serial 34
|
|
|
2 dnl Copyright (C) 2001-2010 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:
|
