1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291
|
# vasnprintf.m4 serial 36
dnl Copyright (C) 2002-2004, 2006-2015 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_VASNPRINTF],
[
AC_CHECK_FUNCS_ONCE([vasnprintf])
if test $ac_cv_func_vasnprintf = no; then
gl_REPLACE_VASNPRINTF
fi
])
AC_DEFUN([gl_REPLACE_VASNPRINTF],
[
AC_CHECK_FUNCS_ONCE([vasnprintf])
AC_LIBOBJ([vasnprintf])
AC_LIBOBJ([printf-args])
AC_LIBOBJ([printf-parse])
AC_LIBOBJ([asnprintf])
if test $ac_cv_func_vasnprintf = yes; then
AC_DEFINE([REPLACE_VASNPRINTF], [1],
[Define if vasnprintf exists but is overridden by gnulib.])
fi
gl_PREREQ_PRINTF_ARGS
gl_PREREQ_PRINTF_PARSE
gl_PREREQ_VASNPRINTF
gl_PREREQ_ASNPRINTF
])
# Prerequisites of lib/printf-args.h, lib/printf-args.c.
AC_DEFUN([gl_PREREQ_PRINTF_ARGS],
[
AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
AC_REQUIRE([gt_TYPE_WCHAR_T])
AC_REQUIRE([gt_TYPE_WINT_T])
])
# Prerequisites of lib/printf-parse.h, lib/printf-parse.c.
AC_DEFUN([gl_PREREQ_PRINTF_PARSE],
[
AC_REQUIRE([gl_FEATURES_H])
AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
AC_REQUIRE([gt_TYPE_WCHAR_T])
AC_REQUIRE([gt_TYPE_WINT_T])
AC_REQUIRE([AC_TYPE_SIZE_T])
AC_CHECK_TYPE([ptrdiff_t], ,
[AC_DEFINE([ptrdiff_t], [long],
[Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
])
AC_REQUIRE([gt_AC_TYPE_INTMAX_T])
])
# Prerequisites of lib/vasnprintf.c.
AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF],
[
AC_REQUIRE([AC_FUNC_ALLOCA])
AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
AC_REQUIRE([gt_TYPE_WCHAR_T])
AC_REQUIRE([gt_TYPE_WINT_T])
AC_CHECK_FUNCS([snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb])
dnl Use the _snprintf function only if it is declared (because on NetBSD it
dnl is defined as a weak alias of snprintf; we prefer to use the latter).
AC_CHECK_DECLS([_snprintf], , , [[#include <stdio.h>]])
dnl Knowing DBL_EXPBIT0_WORD and DBL_EXPBIT0_BIT enables an optimization
dnl in the code for NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE.
AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION])
dnl We can avoid a lot of code by assuming that snprintf's return value
dnl conforms to ISO C99. So check that.
AC_REQUIRE([gl_SNPRINTF_RETVAL_C99])
case "$gl_cv_func_snprintf_retval_c99" in
*yes)
AC_DEFINE([HAVE_SNPRINTF_RETVAL_C99], [1],
[Define if the return value of the snprintf function is the number of
of bytes (excluding the terminating NUL) that would have been produced
if the buffer had been large enough.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting 'long double'
# arguments.
AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE],
[
AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
case "$gl_cv_func_printf_long_double" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1],
[Define if the vasnprintf implementation needs special code for
'long double' arguments.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'double'
# arguments.
AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE],
[
AC_REQUIRE([gl_PRINTF_INFINITE])
case "$gl_cv_func_printf_infinite" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_INFINITE_DOUBLE], [1],
[Define if the vasnprintf implementation needs special code for
infinite 'double' arguments.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'long double'
# arguments.
AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE],
[
AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
dnl There is no need to set NEED_PRINTF_INFINITE_LONG_DOUBLE if
dnl NEED_PRINTF_LONG_DOUBLE is already set.
AC_REQUIRE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE])
case "$gl_cv_func_printf_long_double" in
*yes)
case "$gl_cv_func_printf_infinite_long_double" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_INFINITE_LONG_DOUBLE], [1],
[Define if the vasnprintf implementation needs special code for
infinite 'long double' arguments.])
;;
esac
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting the 'a' directive.
AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A],
[
AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
case "$gl_cv_func_printf_directive_a" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], [1],
[Define if the vasnprintf implementation needs special code for
the 'a' and 'A' directives.])
AC_CHECK_FUNCS([nl_langinfo])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting the 'F' directive.
AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F],
[
AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
case "$gl_cv_func_printf_directive_f" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], [1],
[Define if the vasnprintf implementation needs special code for
the 'F' directive.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting the 'ls' directive.
AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_LS],
[
AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS])
case "$gl_cv_func_printf_directive_ls" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_DIRECTIVE_LS], [1],
[Define if the vasnprintf implementation needs special code for
the 'ls' directive.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting the ' flag.
AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_GROUPING],
[
AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
case "$gl_cv_func_printf_flag_grouping" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_FLAG_GROUPING], [1],
[Define if the vasnprintf implementation needs special code for the
' flag.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting the '-' flag.
AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST],
[
AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
case "$gl_cv_func_printf_flag_leftadjust" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_FLAG_LEFTADJUST], [1],
[Define if the vasnprintf implementation needs special code for the
'-' flag.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting the 0 flag.
AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO],
[
AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
case "$gl_cv_func_printf_flag_zero" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_FLAG_ZERO], [1],
[Define if the vasnprintf implementation needs special code for the
0 flag.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting large precisions.
AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION],
[
AC_REQUIRE([gl_PRINTF_PRECISION])
case "$gl_cv_func_printf_precision" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], [1],
[Define if the vasnprintf implementation needs special code for
supporting large precisions without arbitrary bounds.])
AC_DEFINE([NEED_PRINTF_DOUBLE], [1],
[Define if the vasnprintf implementation needs special code for
'double' arguments.])
AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1],
[Define if the vasnprintf implementation needs special code for
'long double' arguments.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for surviving out-of-memory
# conditions.
AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM],
[
AC_REQUIRE([gl_PRINTF_ENOMEM])
case "$gl_cv_func_printf_enomem" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_ENOMEM], [1],
[Define if the vasnprintf implementation needs special code for
surviving out-of-memory conditions.])
AC_DEFINE([NEED_PRINTF_DOUBLE], [1],
[Define if the vasnprintf implementation needs special code for
'double' arguments.])
AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1],
[Define if the vasnprintf implementation needs special code for
'long double' arguments.])
;;
esac
])
# Prerequisites of lib/vasnprintf.c including all extras for POSIX compliance.
AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS],
[
AC_REQUIRE([gl_PREREQ_VASNPRINTF])
gl_PREREQ_VASNPRINTF_LONG_DOUBLE
gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
gl_PREREQ_VASNPRINTF_DIRECTIVE_A
gl_PREREQ_VASNPRINTF_DIRECTIVE_F
gl_PREREQ_VASNPRINTF_DIRECTIVE_LS
gl_PREREQ_VASNPRINTF_FLAG_GROUPING
gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
gl_PREREQ_VASNPRINTF_FLAG_ZERO
gl_PREREQ_VASNPRINTF_PRECISION
gl_PREREQ_VASNPRINTF_ENOMEM
])
# Prerequisites of lib/asnprintf.c.
AC_DEFUN([gl_PREREQ_ASNPRINTF],
[
])
|