1 # obstack-printf-posix.m4 serial 2
2 dnl Copyright (C) 2008 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_OBSTACK_PRINTF_POSIX],
9 dnl Persuade glibc <stdio.h> to declare obstack_printf(), obstack_vprintf().
10 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
12 AC_REQUIRE([gl_PRINTF_SIZES_C99])
13 AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
14 AC_REQUIRE([gl_PRINTF_INFINITE])
15 AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
16 AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
17 AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
18 AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
19 AC_REQUIRE([gl_PRINTF_POSITIONS])
20 AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
21 AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
22 AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
23 AC_REQUIRE([gl_PRINTF_PRECISION])
24 AC_REQUIRE([gl_PRINTF_ENOMEM])
25 gl_cv_func_obstack_printf_posix=no
26 AC_CHECK_FUNCS_ONCE([obstack_printf])
27 if test $ac_cv_func_obstack_printf = yes ; then
28 case "$gl_cv_func_printf_sizes_c99" in
30 case "$gl_cv_func_printf_long_double" in
32 case "$gl_cv_func_printf_infinite" in
34 case "$gl_cv_func_printf_infinite_long_double" in
36 case "$gl_cv_func_printf_directive_a" in
38 case "$gl_cv_func_printf_directive_f" in
40 case "$gl_cv_func_printf_directive_n" in
42 case "$gl_cv_func_printf_positions" in
44 case "$gl_cv_func_printf_flag_grouping" in
46 case "$gl_cv_func_printf_flag_leftadjust" in
48 case "$gl_cv_func_printf_flag_zero" in
50 case "$gl_cv_func_printf_precision" in
52 case "$gl_cv_func_printf_enomem" in
54 # obstack_printf exists and is
55 # already POSIX compliant.
56 gl_cv_func_obstack_printf_posix=yes
84 if test $gl_cv_func_obstack_printf_posix = no; then
85 gl_PREREQ_VASNPRINTF_LONG_DOUBLE
86 gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
87 gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
88 gl_PREREQ_VASNPRINTF_DIRECTIVE_A
89 gl_PREREQ_VASNPRINTF_DIRECTIVE_F
90 gl_PREREQ_VASNPRINTF_FLAG_GROUPING
91 gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
92 gl_PREREQ_VASNPRINTF_FLAG_ZERO
93 gl_PREREQ_VASNPRINTF_PRECISION
94 gl_PREREQ_VASNPRINTF_ENOMEM
96 gl_REPLACE_OBSTACK_PRINTF