1 # vasnprintf-posix.m4 serial 8
2 dnl Copyright (C) 2007 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.
7 AC_DEFUN([gl_FUNC_VASNPRINTF_POSIX],
9 AC_REQUIRE([gl_EOVERFLOW])
10 AC_REQUIRE([gl_PRINTF_SIZES_C99])
11 AC_REQUIRE([gl_PRINTF_INFINITE])
12 AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
13 AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
14 AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
15 AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
16 AC_REQUIRE([gl_PRINTF_POSITIONS])
17 AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
18 AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
19 gl_cv_func_vasnprintf_posix=no
20 AC_CHECK_FUNCS_ONCE([vasnprintf])
21 case "$gl_cv_func_printf_sizes_c99" in
23 case "$gl_cv_func_printf_infinite" in
25 case "$gl_cv_func_printf_long_double" in
27 case "$gl_cv_func_printf_directive_a" in
29 case "$gl_cv_func_printf_directive_f" in
31 case "$gl_cv_func_printf_directive_n" in
33 case "$gl_cv_func_printf_positions" in
35 case "$gl_cv_func_printf_flag_grouping" in
37 case "$gl_cv_func_printf_flag_zero" in
39 if test $ac_cv_func_vasnprintf = yes; then
40 # vasnprintf exists and is already POSIX
42 gl_cv_func_vasnprintf_posix=yes
62 if test $gl_cv_func_vasnprintf_posix = no; then
63 gl_PREREQ_VASNPRINTF_INFINITE
64 gl_PREREQ_VASNPRINTF_LONG_DOUBLE
65 gl_PREREQ_VASNPRINTF_DIRECTIVE_A
66 gl_PREREQ_VASNPRINTF_DIRECTIVE_F
67 gl_PREREQ_VASNPRINTF_FLAG_GROUPING
68 gl_PREREQ_VASNPRINTF_FLAG_ZERO