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comparison m4/vasnprintf.m4 @ 272:d5392bb5da3c 2.5

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271:3b793ba7a6c6 272:d5392bb5da3c
1 # vasnprintf.m4 serial 25
2 dnl Copyright (C) 2002-2004, 2006-2008 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 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 $ac_cv_func_vasnprintf = yes; then
23 AC_DEFINE([REPLACE_VASNPRINTF], 1,
24 [Define if vasnprintf exists but is overridden by gnulib.])
25 fi
26 gl_PREREQ_PRINTF_ARGS
27 gl_PREREQ_PRINTF_PARSE
28 gl_PREREQ_VASNPRINTF
29 gl_PREREQ_ASNPRINTF
30 ])
31
32 # Prequisites of lib/printf-args.h, lib/printf-args.c.
33 AC_DEFUN([gl_PREREQ_PRINTF_ARGS],
34 [
35 AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
36 AC_REQUIRE([gt_TYPE_WCHAR_T])
37 AC_REQUIRE([gt_TYPE_WINT_T])
38 ])
39
40 # Prequisites of lib/printf-parse.h, lib/printf-parse.c.
41 AC_DEFUN([gl_PREREQ_PRINTF_PARSE],
42 [
43 AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
44 AC_REQUIRE([gt_TYPE_WCHAR_T])
45 AC_REQUIRE([gt_TYPE_WINT_T])
46 AC_REQUIRE([AC_TYPE_SIZE_T])
47 AC_CHECK_TYPE([ptrdiff_t], ,
48 [AC_DEFINE([ptrdiff_t], [long],
49 [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
50 ])
51 AC_REQUIRE([gt_AC_TYPE_INTMAX_T])
52 ])
53
54 # Prerequisites of lib/vasnprintf.c.
55 AC_DEFUN([gl_PREREQ_VASNPRINTF],
56 [
57 AC_REQUIRE([AC_FUNC_ALLOCA])
58 AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
59 AC_REQUIRE([gt_TYPE_WCHAR_T])
60 AC_REQUIRE([gt_TYPE_WINT_T])
61 AC_CHECK_FUNCS(snprintf wcslen)
62 dnl Use the _snprintf function only if it is declared (because on NetBSD it
63 dnl is defined as a weak alias of snprintf; we prefer to use the latter).
64 AC_CHECK_DECLS([_snprintf], , , [#include <stdio.h>])
65 ])
66
67 # Extra prerequisites of lib/vasnprintf.c for supporting 'long double'
68 # arguments.
69 AC_DEFUN([gl_PREREQ_VASNPRINTF_LONG_DOUBLE],
70 [
71 AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
72 case "$gl_cv_func_printf_long_double" in
73 *yes)
74 ;;
75 *)
76 AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
77 [Define if the vasnprintf implementation needs special code for
78 'long double' arguments.])
79 ;;
80 esac
81 ])
82
83 # Extra prerequisites of lib/vasnprintf.c for supporting infinite 'double'
84 # arguments.
85 AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE],
86 [
87 AC_REQUIRE([gl_PRINTF_INFINITE])
88 case "$gl_cv_func_printf_infinite" in
89 *yes)
90 ;;
91 *)
92 AC_DEFINE([NEED_PRINTF_INFINITE_DOUBLE], 1,
93 [Define if the vasnprintf implementation needs special code for
94 infinite 'double' arguments.])
95 ;;
96 esac
97 ])
98
99 # Extra prerequisites of lib/vasnprintf.c for supporting infinite 'long double'
100 # arguments.
101 AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE],
102 [
103 AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
104 dnl There is no need to set NEED_PRINTF_INFINITE_LONG_DOUBLE if
105 dnl NEED_PRINTF_LONG_DOUBLE is already set.
106 AC_REQUIRE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE])
107 case "$gl_cv_func_printf_long_double" in
108 *yes)
109 case "$gl_cv_func_printf_infinite_long_double" in
110 *yes)
111 ;;
112 *)
113 AC_DEFINE([NEED_PRINTF_INFINITE_LONG_DOUBLE], 1,
114 [Define if the vasnprintf implementation needs special code for
115 infinite 'long double' arguments.])
116 ;;
117 esac
118 ;;
119 esac
120 ])
121
122 # Extra prerequisites of lib/vasnprintf.c for supporting the 'a' directive.
123 AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A],
124 [
125 AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
126 case "$gl_cv_func_printf_directive_a" in
127 *yes)
128 ;;
129 *)
130 AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], 1,
131 [Define if the vasnprintf implementation needs special code for
132 the 'a' and 'A' directives.])
133 AC_CHECK_FUNCS([nl_langinfo])
134 ;;
135 esac
136 ])
137
138 # Extra prerequisites of lib/vasnprintf.c for supporting the 'F' directive.
139 AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F],
140 [
141 AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
142 case "$gl_cv_func_printf_directive_f" in
143 *yes)
144 ;;
145 *)
146 AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], 1,
147 [Define if the vasnprintf implementation needs special code for
148 the 'F' directive.])
149 ;;
150 esac
151 ])
152
153 # Extra prerequisites of lib/vasnprintf.c for supporting the ' flag.
154 AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_GROUPING],
155 [
156 AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
157 case "$gl_cv_func_printf_flag_grouping" in
158 *yes)
159 ;;
160 *)
161 AC_DEFINE([NEED_PRINTF_FLAG_GROUPING], 1,
162 [Define if the vasnprintf implementation needs special code for the
163 ' flag.])
164 ;;
165 esac
166 ])
167
168 # Extra prerequisites of lib/vasnprintf.c for supporting the '-' flag.
169 AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST],
170 [
171 AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
172 case "$gl_cv_func_printf_flag_leftadjust" in
173 *yes)
174 ;;
175 *)
176 AC_DEFINE([NEED_PRINTF_FLAG_LEFTADJUST], 1,
177 [Define if the vasnprintf implementation needs special code for the
178 '-' flag.])
179 ;;
180 esac
181 ])
182
183 # Extra prerequisites of lib/vasnprintf.c for supporting the 0 flag.
184 AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO],
185 [
186 AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
187 case "$gl_cv_func_printf_flag_zero" in
188 *yes)
189 ;;
190 *)
191 AC_DEFINE([NEED_PRINTF_FLAG_ZERO], 1,
192 [Define if the vasnprintf implementation needs special code for the
193 0 flag.])
194 ;;
195 esac
196 ])
197
198 # Extra prerequisites of lib/vasnprintf.c for supporting large precisions.
199 AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION],
200 [
201 AC_REQUIRE([gl_PRINTF_PRECISION])
202 case "$gl_cv_func_printf_precision" in
203 *yes)
204 ;;
205 *)
206 AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], 1,
207 [Define if the vasnprintf implementation needs special code for
208 supporting large precisions without arbitrary bounds.])
209 AC_DEFINE([NEED_PRINTF_DOUBLE], 1,
210 [Define if the vasnprintf implementation needs special code for
211 'double' arguments.])
212 AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
213 [Define if the vasnprintf implementation needs special code for
214 'long double' arguments.])
215 ;;
216 esac
217 ])
218
219 # Extra prerequisites of lib/vasnprintf.c for surviving out-of-memory
220 # conditions.
221 AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM],
222 [
223 AC_REQUIRE([gl_PRINTF_ENOMEM])
224 case "$gl_cv_func_printf_enomem" in
225 *yes)
226 ;;
227 *)
228 AC_DEFINE([NEED_PRINTF_ENOMEM], 1,
229 [Define if the vasnprintf implementation needs special code for
230 surviving out-of-memory conditions.])
231 AC_DEFINE([NEED_PRINTF_DOUBLE], 1,
232 [Define if the vasnprintf implementation needs special code for
233 'double' arguments.])
234 AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
235 [Define if the vasnprintf implementation needs special code for
236 'long double' arguments.])
237 ;;
238 esac
239 ])
240
241 # Prerequisites of lib/vasnprintf.c including all extras for POSIX compliance.
242 AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS],
243 [
244 AC_REQUIRE([gl_PREREQ_VASNPRINTF])
245 gl_PREREQ_VASNPRINTF_LONG_DOUBLE
246 gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
247 gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
248 gl_PREREQ_VASNPRINTF_DIRECTIVE_A
249 gl_PREREQ_VASNPRINTF_DIRECTIVE_F
250 gl_PREREQ_VASNPRINTF_FLAG_GROUPING
251 gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
252 gl_PREREQ_VASNPRINTF_FLAG_ZERO
253 gl_PREREQ_VASNPRINTF_PRECISION
254 gl_PREREQ_VASNPRINTF_ENOMEM
255 ])
256
257 # Prerequisites of lib/asnprintf.c.
258 AC_DEFUN([gl_PREREQ_ASNPRINTF],
259 [
260 ])