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# vasnprintf.m4 serial 24
dnl Copyright (C) 2002-2004, 2006-2008 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_REQUIRE([gl_EOVERFLOW])
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 $ac_cv_func_vasnprintf = yes; then
AC_DEFINE([REPLACE_VASNPRINTF], 1,
[Define if vasnprintf exists but is overridden by gnulib.])
fi
gl_PREREQ_PRINTF_ARGS
gl_PREREQ_PRINTF_PARSE
gl_PREREQ_VASNPRINTF
gl_PREREQ_ASNPRINTF
])
# Prequisites of lib/printf-args.h, lib/printf-args.c.
AC_DEFUN([gl_PREREQ_PRINTF_ARGS],
[
AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
AC_REQUIRE([gt_TYPE_WCHAR_T])
AC_REQUIRE([gt_TYPE_WINT_T])
])
# Prequisites of lib/printf-parse.h, lib/printf-parse.c.
AC_DEFUN([gl_PREREQ_PRINTF_PARSE],
[
AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
AC_REQUIRE([gt_TYPE_WCHAR_T])
AC_REQUIRE([gt_TYPE_WINT_T])
AC_REQUIRE([AC_TYPE_SIZE_T])
AC_CHECK_TYPE([ptrdiff_t], ,
[AC_DEFINE([ptrdiff_t], [long],
[Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
])
AC_REQUIRE([gt_AC_TYPE_INTMAX_T])
])
# Prerequisites of lib/vasnprintf.c.
AC_DEFUN([gl_PREREQ_VASNPRINTF],
[
AC_REQUIRE([AC_FUNC_ALLOCA])
AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
AC_REQUIRE([gt_TYPE_WCHAR_T])
AC_REQUIRE([gt_TYPE_WINT_T])
AC_CHECK_FUNCS(snprintf wcslen)
dnl Use the _snprintf function only if it is declared (because on NetBSD it
dnl is defined as a weak alias of snprintf; we prefer to use the latter).
AC_CHECK_DECLS([_snprintf], , , [#include <stdio.h>])
])
# Extra prerequisites of lib/vasnprintf.c for supporting 'long double'
# arguments.
AC_DEFUN([gl_PREREQ_VASNPRINTF_LONG_DOUBLE],
[
AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
case "$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 "$gl_cv_func_printf_directive_f" in
*yes)
;;
*)
AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], 1,
[Define if the vasnprintf implementation needs special code for
the 'F' directive.])
;;
esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting the ' flag.
AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_GROUPING],
[
AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
case "$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_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],
[
])
|