Commit | Line | Data |
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35428fb6 | 1 | # vasnprintf.m4 serial 34 |
f0007cad | 2 | dnl Copyright (C) 2002-2004, 2006-2012 Free Software Foundation, Inc. |
c4b681fd LC |
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 | AC_DEFUN([gl_FUNC_VASNPRINTF], | |
8 | [ | |
9 | AC_CHECK_FUNCS_ONCE([vasnprintf]) | |
10 | if test $ac_cv_func_vasnprintf = no; then | |
11 | gl_REPLACE_VASNPRINTF | |
12 | fi | |
13 | ]) | |
14 | ||
15 | AC_DEFUN([gl_REPLACE_VASNPRINTF], | |
16 | [ | |
17 | AC_CHECK_FUNCS_ONCE([vasnprintf]) | |
18 | AC_LIBOBJ([vasnprintf]) | |
19 | AC_LIBOBJ([printf-args]) | |
20 | AC_LIBOBJ([printf-parse]) | |
21 | AC_LIBOBJ([asnprintf]) | |
22 | if test $ac_cv_func_vasnprintf = yes; then | |
23 | AC_DEFINE([REPLACE_VASNPRINTF], [1], | |
24 | [Define if vasnprintf exists but is overridden by gnulib.]) | |
25 | fi | |
26 | gl_PREREQ_PRINTF_ARGS | |
27 | gl_PREREQ_PRINTF_PARSE | |
28 | gl_PREREQ_VASNPRINTF | |
29 | gl_PREREQ_ASNPRINTF | |
30 | ]) | |
31 | ||
32 | # Prequisites of lib/printf-args.h, lib/printf-args.c. | |
33 | AC_DEFUN([gl_PREREQ_PRINTF_ARGS], | |
34 | [ | |
35 | AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) | |
36 | AC_REQUIRE([gt_TYPE_WCHAR_T]) | |
37 | AC_REQUIRE([gt_TYPE_WINT_T]) | |
38 | ]) | |
39 | ||
40 | # Prequisites of lib/printf-parse.h, lib/printf-parse.c. | |
41 | AC_DEFUN([gl_PREREQ_PRINTF_PARSE], | |
42 | [ | |
0f00f2c3 | 43 | AC_REQUIRE([gl_FEATURES_H]) |
c4b681fd LC |
44 | AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) |
45 | AC_REQUIRE([gt_TYPE_WCHAR_T]) | |
46 | AC_REQUIRE([gt_TYPE_WINT_T]) | |
47 | AC_REQUIRE([AC_TYPE_SIZE_T]) | |
48 | AC_CHECK_TYPE([ptrdiff_t], , | |
49 | [AC_DEFINE([ptrdiff_t], [long], | |
50 | [Define as the type of the result of subtracting two pointers, if the system doesn't define it.]) | |
51 | ]) | |
52 | AC_REQUIRE([gt_AC_TYPE_INTMAX_T]) | |
53 | ]) | |
54 | ||
55 | # Prerequisites of lib/vasnprintf.c. | |
56 | AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF], | |
57 | [ | |
a927b6c1 | 58 | AC_REQUIRE([AC_C_INLINE]) |
c4b681fd LC |
59 | AC_REQUIRE([AC_FUNC_ALLOCA]) |
60 | AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) | |
61 | AC_REQUIRE([gt_TYPE_WCHAR_T]) | |
62 | AC_REQUIRE([gt_TYPE_WINT_T]) | |
63 | AC_CHECK_FUNCS([snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb]) | |
64 | dnl Use the _snprintf function only if it is declared (because on NetBSD it | |
65 | dnl is defined as a weak alias of snprintf; we prefer to use the latter). | |
35428fb6 LC |
66 | AC_CHECK_DECLS([_snprintf], , , [[#include <stdio.h>]]) |
67 | dnl Knowing DBL_EXPBIT0_WORD and DBL_EXPBIT0_BIT enables an optimization | |
68 | dnl in the code for NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE. | |
69 | AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION]) | |
a927b6c1 LC |
70 | dnl We can avoid a lot of code by assuming that snprintf's return value |
71 | dnl conforms to ISO C99. So check that. | |
72 | AC_REQUIRE([gl_SNPRINTF_RETVAL_C99]) | |
73 | case "$gl_cv_func_snprintf_retval_c99" in | |
74 | *yes) | |
75 | AC_DEFINE([HAVE_SNPRINTF_RETVAL_C99], [1], | |
76 | [Define if the return value of the snprintf function is the number of | |
77 | of bytes (excluding the terminating NUL) that would have been produced | |
78 | if the buffer had been large enough.]) | |
79 | ;; | |
80 | esac | |
c4b681fd LC |
81 | ]) |
82 | ||
83 | # Extra prerequisites of lib/vasnprintf.c for supporting 'long double' | |
84 | # arguments. | |
85 | AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE], | |
86 | [ | |
87 | AC_REQUIRE([gl_PRINTF_LONG_DOUBLE]) | |
88 | case "$gl_cv_func_printf_long_double" in | |
89 | *yes) | |
90 | ;; | |
91 | *) | |
92 | AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1], | |
93 | [Define if the vasnprintf implementation needs special code for | |
94 | 'long double' arguments.]) | |
95 | ;; | |
96 | esac | |
97 | ]) | |
98 | ||
99 | # Extra prerequisites of lib/vasnprintf.c for supporting infinite 'double' | |
100 | # arguments. | |
101 | AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE], | |
102 | [ | |
103 | AC_REQUIRE([gl_PRINTF_INFINITE]) | |
104 | case "$gl_cv_func_printf_infinite" in | |
105 | *yes) | |
106 | ;; | |
107 | *) | |
108 | AC_DEFINE([NEED_PRINTF_INFINITE_DOUBLE], [1], | |
109 | [Define if the vasnprintf implementation needs special code for | |
110 | infinite 'double' arguments.]) | |
111 | ;; | |
112 | esac | |
113 | ]) | |
114 | ||
115 | # Extra prerequisites of lib/vasnprintf.c for supporting infinite 'long double' | |
116 | # arguments. | |
117 | AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE], | |
118 | [ | |
119 | AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE]) | |
120 | dnl There is no need to set NEED_PRINTF_INFINITE_LONG_DOUBLE if | |
121 | dnl NEED_PRINTF_LONG_DOUBLE is already set. | |
122 | AC_REQUIRE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE]) | |
123 | case "$gl_cv_func_printf_long_double" in | |
124 | *yes) | |
125 | case "$gl_cv_func_printf_infinite_long_double" in | |
126 | *yes) | |
127 | ;; | |
128 | *) | |
129 | AC_DEFINE([NEED_PRINTF_INFINITE_LONG_DOUBLE], [1], | |
130 | [Define if the vasnprintf implementation needs special code for | |
131 | infinite 'long double' arguments.]) | |
132 | ;; | |
133 | esac | |
134 | ;; | |
135 | esac | |
136 | ]) | |
137 | ||
138 | # Extra prerequisites of lib/vasnprintf.c for supporting the 'a' directive. | |
139 | AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A], | |
140 | [ | |
141 | AC_REQUIRE([gl_PRINTF_DIRECTIVE_A]) | |
142 | case "$gl_cv_func_printf_directive_a" in | |
143 | *yes) | |
144 | ;; | |
145 | *) | |
146 | AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], [1], | |
147 | [Define if the vasnprintf implementation needs special code for | |
148 | the 'a' and 'A' directives.]) | |
149 | AC_CHECK_FUNCS([nl_langinfo]) | |
150 | ;; | |
151 | esac | |
152 | ]) | |
153 | ||
154 | # Extra prerequisites of lib/vasnprintf.c for supporting the 'F' directive. | |
155 | AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F], | |
156 | [ | |
157 | AC_REQUIRE([gl_PRINTF_DIRECTIVE_F]) | |
158 | case "$gl_cv_func_printf_directive_f" in | |
159 | *yes) | |
160 | ;; | |
161 | *) | |
162 | AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], [1], | |
163 | [Define if the vasnprintf implementation needs special code for | |
164 | the 'F' directive.]) | |
165 | ;; | |
166 | esac | |
167 | ]) | |
168 | ||
169 | # Extra prerequisites of lib/vasnprintf.c for supporting the 'ls' directive. | |
170 | AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_LS], | |
171 | [ | |
172 | AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS]) | |
173 | case "$gl_cv_func_printf_directive_ls" in | |
174 | *yes) | |
175 | ;; | |
176 | *) | |
177 | AC_DEFINE([NEED_PRINTF_DIRECTIVE_LS], [1], | |
178 | [Define if the vasnprintf implementation needs special code for | |
179 | the 'ls' directive.]) | |
180 | ;; | |
181 | esac | |
182 | ]) | |
183 | ||
184 | # Extra prerequisites of lib/vasnprintf.c for supporting the ' flag. | |
185 | AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_GROUPING], | |
186 | [ | |
187 | AC_REQUIRE([gl_PRINTF_FLAG_GROUPING]) | |
188 | case "$gl_cv_func_printf_flag_grouping" in | |
189 | *yes) | |
190 | ;; | |
191 | *) | |
192 | AC_DEFINE([NEED_PRINTF_FLAG_GROUPING], [1], | |
193 | [Define if the vasnprintf implementation needs special code for the | |
194 | ' flag.]) | |
195 | ;; | |
196 | esac | |
197 | ]) | |
198 | ||
199 | # Extra prerequisites of lib/vasnprintf.c for supporting the '-' flag. | |
200 | AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST], | |
201 | [ | |
202 | AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST]) | |
203 | case "$gl_cv_func_printf_flag_leftadjust" in | |
204 | *yes) | |
205 | ;; | |
206 | *) | |
207 | AC_DEFINE([NEED_PRINTF_FLAG_LEFTADJUST], [1], | |
208 | [Define if the vasnprintf implementation needs special code for the | |
209 | '-' flag.]) | |
210 | ;; | |
211 | esac | |
212 | ]) | |
213 | ||
214 | # Extra prerequisites of lib/vasnprintf.c for supporting the 0 flag. | |
215 | AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO], | |
216 | [ | |
217 | AC_REQUIRE([gl_PRINTF_FLAG_ZERO]) | |
218 | case "$gl_cv_func_printf_flag_zero" in | |
219 | *yes) | |
220 | ;; | |
221 | *) | |
222 | AC_DEFINE([NEED_PRINTF_FLAG_ZERO], [1], | |
223 | [Define if the vasnprintf implementation needs special code for the | |
224 | 0 flag.]) | |
225 | ;; | |
226 | esac | |
227 | ]) | |
228 | ||
229 | # Extra prerequisites of lib/vasnprintf.c for supporting large precisions. | |
230 | AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION], | |
231 | [ | |
232 | AC_REQUIRE([gl_PRINTF_PRECISION]) | |
233 | case "$gl_cv_func_printf_precision" in | |
234 | *yes) | |
235 | ;; | |
236 | *) | |
237 | AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], [1], | |
238 | [Define if the vasnprintf implementation needs special code for | |
239 | supporting large precisions without arbitrary bounds.]) | |
240 | AC_DEFINE([NEED_PRINTF_DOUBLE], [1], | |
241 | [Define if the vasnprintf implementation needs special code for | |
242 | 'double' arguments.]) | |
243 | AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1], | |
244 | [Define if the vasnprintf implementation needs special code for | |
245 | 'long double' arguments.]) | |
246 | ;; | |
247 | esac | |
248 | ]) | |
249 | ||
250 | # Extra prerequisites of lib/vasnprintf.c for surviving out-of-memory | |
251 | # conditions. | |
252 | AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM], | |
253 | [ | |
254 | AC_REQUIRE([gl_PRINTF_ENOMEM]) | |
255 | case "$gl_cv_func_printf_enomem" in | |
256 | *yes) | |
257 | ;; | |
258 | *) | |
259 | AC_DEFINE([NEED_PRINTF_ENOMEM], [1], | |
260 | [Define if the vasnprintf implementation needs special code for | |
261 | surviving out-of-memory conditions.]) | |
262 | AC_DEFINE([NEED_PRINTF_DOUBLE], [1], | |
263 | [Define if the vasnprintf implementation needs special code for | |
264 | 'double' arguments.]) | |
265 | AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1], | |
266 | [Define if the vasnprintf implementation needs special code for | |
267 | 'long double' arguments.]) | |
268 | ;; | |
269 | esac | |
270 | ]) | |
271 | ||
272 | # Prerequisites of lib/vasnprintf.c including all extras for POSIX compliance. | |
273 | AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS], | |
274 | [ | |
275 | AC_REQUIRE([gl_PREREQ_VASNPRINTF]) | |
276 | gl_PREREQ_VASNPRINTF_LONG_DOUBLE | |
277 | gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE | |
278 | gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE | |
279 | gl_PREREQ_VASNPRINTF_DIRECTIVE_A | |
280 | gl_PREREQ_VASNPRINTF_DIRECTIVE_F | |
281 | gl_PREREQ_VASNPRINTF_DIRECTIVE_LS | |
282 | gl_PREREQ_VASNPRINTF_FLAG_GROUPING | |
283 | gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST | |
284 | gl_PREREQ_VASNPRINTF_FLAG_ZERO | |
285 | gl_PREREQ_VASNPRINTF_PRECISION | |
286 | gl_PREREQ_VASNPRINTF_ENOMEM | |
287 | ]) | |
288 | ||
289 | # Prerequisites of lib/asnprintf.c. | |
290 | AC_DEFUN([gl_PREREQ_ASNPRINTF], | |
291 | [ | |
292 | ]) |