1 # vasnprintf-posix.m4 serial 6
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_DIRECTIVE_A])
12 AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
13 AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
14 AC_REQUIRE([gl_PRINTF_POSITIONS])
15 AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
16 AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
17 gl_cv_func_vasnprintf_posix=no
18 AC_CHECK_FUNCS_ONCE([vasnprintf])
19 case "$gl_cv_func_printf_sizes_c99" in
21 case "$gl_cv_func_printf_directive_a" in
23 case "$gl_cv_func_printf_directive_f" in
25 case "$gl_cv_func_printf_directive_n" in
27 case "$gl_cv_func_printf_positions" in
29 case "$gl_cv_func_printf_flag_grouping" in
31 case "$gl_cv_func_printf_flag_zero" in
33 if test $ac_cv_func_vasnprintf = yes; then
34 # vasnprintf exists and is already POSIX
36 gl_cv_func_vasnprintf_posix=yes
52 if test $gl_cv_func_vasnprintf_posix = no; then
53 gl_PREREQ_VASNPRINTF_DIRECTIVE_A
54 gl_PREREQ_VASNPRINTF_DIRECTIVE_F
55 gl_PREREQ_VASNPRINTF_FLAG_GROUPING
56 gl_PREREQ_VASNPRINTF_FLAG_ZERO