Commit | Line | Data |
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a927b6c1 | 1 | # vasnprintf.m4 serial 31 |
61cd9dc9 | 2 | dnl Copyright (C) 2002-2004, 2006-2010 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 $ac_cv_func_vasnprintf = yes; then | |
23 | AC_DEFINE([REPLACE_VASNPRINTF], [1], | |
24 | [Define if vasnprintf exists but is overridden by gnulib.]) | |
25 | fi | |
26 | gl_PREREQ_PRINTF_ARGS | |
27 | gl_PREREQ_PRINTF_PARSE | |
28 | gl_PREREQ_VASNPRINTF | |
29 | gl_PREREQ_ASNPRINTF | |
30 | ]) | |
31 | ||
32 | # Prequisites of lib/printf-args.h, lib/printf-args.c. | |
33 | AC_DEFUN([gl_PREREQ_PRINTF_ARGS], | |
34 | [ | |
35 | AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) | |
36 | AC_REQUIRE([gt_TYPE_WCHAR_T]) | |
37 | AC_REQUIRE([gt_TYPE_WINT_T]) | |
38 | ]) | |
39 | ||
40 | # Prequisites of lib/printf-parse.h, lib/printf-parse.c. | |
41 | AC_DEFUN([gl_PREREQ_PRINTF_PARSE], | |
42 | [ | |
43 | AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) | |
44 | AC_REQUIRE([gt_TYPE_WCHAR_T]) | |
45 | AC_REQUIRE([gt_TYPE_WINT_T]) | |
46 | AC_REQUIRE([AC_TYPE_SIZE_T]) | |
47 | AC_CHECK_TYPE([ptrdiff_t], , | |
48 | [AC_DEFINE([ptrdiff_t], [long], | |
49 | [Define as the type of the result of subtracting two pointers, if the system doesn't define it.]) | |
50 | ]) | |
51 | AC_REQUIRE([gt_AC_TYPE_INTMAX_T]) | |
52 | ]) | |
53 | ||
54 | # Prerequisites of lib/vasnprintf.c. | |
55 | AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF], | |
56 | [ | |
a927b6c1 | 57 | AC_REQUIRE([AC_C_INLINE]) |
c4b681fd LC |
58 | AC_REQUIRE([AC_FUNC_ALLOCA]) |
59 | AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) | |
60 | AC_REQUIRE([gt_TYPE_WCHAR_T]) | |
61 | AC_REQUIRE([gt_TYPE_WINT_T]) | |
62 | AC_CHECK_FUNCS([snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb]) | |
63 | dnl Use the _snprintf function only if it is declared (because on NetBSD it | |
64 | dnl is defined as a weak alias of snprintf; we prefer to use the latter). | |
65 | AC_CHECK_DECLS([_snprintf], , , [#include <stdio.h>]) | |
a927b6c1 LC |
66 | dnl We can avoid a lot of code by assuming that snprintf's return value |
67 | dnl conforms to ISO C99. So check that. | |
68 | AC_REQUIRE([gl_SNPRINTF_RETVAL_C99]) | |
69 | case "$gl_cv_func_snprintf_retval_c99" in | |
70 | *yes) | |
71 | AC_DEFINE([HAVE_SNPRINTF_RETVAL_C99], [1], | |
72 | [Define if the return value of the snprintf function is the number of | |
73 | of bytes (excluding the terminating NUL) that would have been produced | |
74 | if the buffer had been large enough.]) | |
75 | ;; | |
76 | esac | |
c4b681fd LC |
77 | ]) |
78 | ||
79 | # Extra prerequisites of lib/vasnprintf.c for supporting 'long double' | |
80 | # arguments. | |
81 | AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE], | |
82 | [ | |
83 | AC_REQUIRE([gl_PRINTF_LONG_DOUBLE]) | |
84 | case "$gl_cv_func_printf_long_double" in | |
85 | *yes) | |
86 | ;; | |
87 | *) | |
88 | AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1], | |
89 | [Define if the vasnprintf implementation needs special code for | |
90 | 'long double' arguments.]) | |
91 | ;; | |
92 | esac | |
93 | ]) | |
94 | ||
95 | # Extra prerequisites of lib/vasnprintf.c for supporting infinite 'double' | |
96 | # arguments. | |
97 | AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE], | |
98 | [ | |
99 | AC_REQUIRE([gl_PRINTF_INFINITE]) | |
100 | case "$gl_cv_func_printf_infinite" in | |
101 | *yes) | |
102 | ;; | |
103 | *) | |
104 | AC_DEFINE([NEED_PRINTF_INFINITE_DOUBLE], [1], | |
105 | [Define if the vasnprintf implementation needs special code for | |
106 | infinite 'double' arguments.]) | |
107 | ;; | |
108 | esac | |
109 | ]) | |
110 | ||
111 | # Extra prerequisites of lib/vasnprintf.c for supporting infinite 'long double' | |
112 | # arguments. | |
113 | AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE], | |
114 | [ | |
115 | AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE]) | |
116 | dnl There is no need to set NEED_PRINTF_INFINITE_LONG_DOUBLE if | |
117 | dnl NEED_PRINTF_LONG_DOUBLE is already set. | |
118 | AC_REQUIRE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE]) | |
119 | case "$gl_cv_func_printf_long_double" in | |
120 | *yes) | |
121 | case "$gl_cv_func_printf_infinite_long_double" in | |
122 | *yes) | |
123 | ;; | |
124 | *) | |
125 | AC_DEFINE([NEED_PRINTF_INFINITE_LONG_DOUBLE], [1], | |
126 | [Define if the vasnprintf implementation needs special code for | |
127 | infinite 'long double' arguments.]) | |
128 | ;; | |
129 | esac | |
130 | ;; | |
131 | esac | |
132 | ]) | |
133 | ||
134 | # Extra prerequisites of lib/vasnprintf.c for supporting the 'a' directive. | |
135 | AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A], | |
136 | [ | |
137 | AC_REQUIRE([gl_PRINTF_DIRECTIVE_A]) | |
138 | case "$gl_cv_func_printf_directive_a" in | |
139 | *yes) | |
140 | ;; | |
141 | *) | |
142 | AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], [1], | |
143 | [Define if the vasnprintf implementation needs special code for | |
144 | the 'a' and 'A' directives.]) | |
145 | AC_CHECK_FUNCS([nl_langinfo]) | |
146 | ;; | |
147 | esac | |
148 | ]) | |
149 | ||
150 | # Extra prerequisites of lib/vasnprintf.c for supporting the 'F' directive. | |
151 | AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F], | |
152 | [ | |
153 | AC_REQUIRE([gl_PRINTF_DIRECTIVE_F]) | |
154 | case "$gl_cv_func_printf_directive_f" in | |
155 | *yes) | |
156 | ;; | |
157 | *) | |
158 | AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], [1], | |
159 | [Define if the vasnprintf implementation needs special code for | |
160 | the 'F' directive.]) | |
161 | ;; | |
162 | esac | |
163 | ]) | |
164 | ||
165 | # Extra prerequisites of lib/vasnprintf.c for supporting the 'ls' directive. | |
166 | AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_LS], | |
167 | [ | |
168 | AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS]) | |
169 | case "$gl_cv_func_printf_directive_ls" in | |
170 | *yes) | |
171 | ;; | |
172 | *) | |
173 | AC_DEFINE([NEED_PRINTF_DIRECTIVE_LS], [1], | |
174 | [Define if the vasnprintf implementation needs special code for | |
175 | the 'ls' directive.]) | |
176 | ;; | |
177 | esac | |
178 | ]) | |
179 | ||
180 | # Extra prerequisites of lib/vasnprintf.c for supporting the ' flag. | |
181 | AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_GROUPING], | |
182 | [ | |
183 | AC_REQUIRE([gl_PRINTF_FLAG_GROUPING]) | |
184 | case "$gl_cv_func_printf_flag_grouping" in | |
185 | *yes) | |
186 | ;; | |
187 | *) | |
188 | AC_DEFINE([NEED_PRINTF_FLAG_GROUPING], [1], | |
189 | [Define if the vasnprintf implementation needs special code for the | |
190 | ' flag.]) | |
191 | ;; | |
192 | esac | |
193 | ]) | |
194 | ||
195 | # Extra prerequisites of lib/vasnprintf.c for supporting the '-' flag. | |
196 | AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST], | |
197 | [ | |
198 | AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST]) | |
199 | case "$gl_cv_func_printf_flag_leftadjust" in | |
200 | *yes) | |
201 | ;; | |
202 | *) | |
203 | AC_DEFINE([NEED_PRINTF_FLAG_LEFTADJUST], [1], | |
204 | [Define if the vasnprintf implementation needs special code for the | |
205 | '-' flag.]) | |
206 | ;; | |
207 | esac | |
208 | ]) | |
209 | ||
210 | # Extra prerequisites of lib/vasnprintf.c for supporting the 0 flag. | |
211 | AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO], | |
212 | [ | |
213 | AC_REQUIRE([gl_PRINTF_FLAG_ZERO]) | |
214 | case "$gl_cv_func_printf_flag_zero" in | |
215 | *yes) | |
216 | ;; | |
217 | *) | |
218 | AC_DEFINE([NEED_PRINTF_FLAG_ZERO], [1], | |
219 | [Define if the vasnprintf implementation needs special code for the | |
220 | 0 flag.]) | |
221 | ;; | |
222 | esac | |
223 | ]) | |
224 | ||
225 | # Extra prerequisites of lib/vasnprintf.c for supporting large precisions. | |
226 | AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION], | |
227 | [ | |
228 | AC_REQUIRE([gl_PRINTF_PRECISION]) | |
229 | case "$gl_cv_func_printf_precision" in | |
230 | *yes) | |
231 | ;; | |
232 | *) | |
233 | AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], [1], | |
234 | [Define if the vasnprintf implementation needs special code for | |
235 | supporting large precisions without arbitrary bounds.]) | |
236 | AC_DEFINE([NEED_PRINTF_DOUBLE], [1], | |
237 | [Define if the vasnprintf implementation needs special code for | |
238 | 'double' arguments.]) | |
239 | AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1], | |
240 | [Define if the vasnprintf implementation needs special code for | |
241 | 'long double' arguments.]) | |
242 | ;; | |
243 | esac | |
244 | ]) | |
245 | ||
246 | # Extra prerequisites of lib/vasnprintf.c for surviving out-of-memory | |
247 | # conditions. | |
248 | AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM], | |
249 | [ | |
250 | AC_REQUIRE([gl_PRINTF_ENOMEM]) | |
251 | case "$gl_cv_func_printf_enomem" in | |
252 | *yes) | |
253 | ;; | |
254 | *) | |
255 | AC_DEFINE([NEED_PRINTF_ENOMEM], [1], | |
256 | [Define if the vasnprintf implementation needs special code for | |
257 | surviving out-of-memory conditions.]) | |
258 | AC_DEFINE([NEED_PRINTF_DOUBLE], [1], | |
259 | [Define if the vasnprintf implementation needs special code for | |
260 | 'double' arguments.]) | |
261 | AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1], | |
262 | [Define if the vasnprintf implementation needs special code for | |
263 | 'long double' arguments.]) | |
264 | ;; | |
265 | esac | |
266 | ]) | |
267 | ||
268 | # Prerequisites of lib/vasnprintf.c including all extras for POSIX compliance. | |
269 | AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS], | |
270 | [ | |
271 | AC_REQUIRE([gl_PREREQ_VASNPRINTF]) | |
272 | gl_PREREQ_VASNPRINTF_LONG_DOUBLE | |
273 | gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE | |
274 | gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE | |
275 | gl_PREREQ_VASNPRINTF_DIRECTIVE_A | |
276 | gl_PREREQ_VASNPRINTF_DIRECTIVE_F | |
277 | gl_PREREQ_VASNPRINTF_DIRECTIVE_LS | |
278 | gl_PREREQ_VASNPRINTF_FLAG_GROUPING | |
279 | gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST | |
280 | gl_PREREQ_VASNPRINTF_FLAG_ZERO | |
281 | gl_PREREQ_VASNPRINTF_PRECISION | |
282 | gl_PREREQ_VASNPRINTF_ENOMEM | |
283 | ]) | |
284 | ||
285 | # Prerequisites of lib/asnprintf.c. | |
286 | AC_DEFUN([gl_PREREQ_ASNPRINTF], | |
287 | [ | |
288 | ]) |