1 # vasnprintf-posix.m4 serial 4
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 gl_cv_func_vasnprintf_posix=no
16 AC_CHECK_FUNCS_ONCE([vasnprintf])
17 case "$gl_cv_func_printf_sizes_c99" in
19 case "$gl_cv_func_printf_directive_a" in
21 case "$gl_cv_func_printf_directive_f" in
23 case "$gl_cv_func_printf_directive_n" in
25 case "$gl_cv_func_printf_positions" in
27 if test $ac_cv_func_vasnprintf = yes; then
28 # vasnprintf exists and is already POSIX compliant.
29 gl_cv_func_vasnprintf_posix=yes
41 if test $gl_cv_func_vasnprintf_posix = no; then
42 gl_PREREQ_VASNPRINTF_DIRECTIVE_A
43 gl_PREREQ_VASNPRINTF_DIRECTIVE_F