Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
[gnulib.git] / m4 / vasprintf-posix.m4
1 # vasprintf-posix.m4 serial 11
2 dnl Copyright (C) 2007-2008 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.
6
7 AC_DEFUN([gl_FUNC_VASPRINTF_POSIX],
8 [
9   AC_REQUIRE([gl_EOVERFLOW])
10   AC_REQUIRE([gl_PRINTF_SIZES_C99])
11   AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
12   AC_REQUIRE([gl_PRINTF_INFINITE])
13   AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
14   AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
15   AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
16   AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
17   AC_REQUIRE([gl_PRINTF_POSITIONS])
18   AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
19   AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
20   AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
21   AC_REQUIRE([gl_PRINTF_PRECISION])
22   AC_REQUIRE([gl_PRINTF_ENOMEM])
23   gl_cv_func_vasprintf_posix=no
24   AC_CHECK_FUNCS([vasprintf])
25   case "$gl_cv_func_printf_sizes_c99" in
26     *yes)
27       case "$gl_cv_func_printf_long_double" in
28         *yes)
29           case "$gl_cv_func_printf_infinite" in
30             *yes)
31               case "$gl_cv_func_printf_infinite_long_double" in
32                 *yes)
33                   case "$gl_cv_func_printf_directive_a" in
34                     *yes)
35                       case "$gl_cv_func_printf_directive_f" in
36                         *yes)
37                           case "$gl_cv_func_printf_directive_n" in
38                             *yes)
39                               case "$gl_cv_func_printf_positions" in
40                                 *yes)
41                                   case "$gl_cv_func_printf_flag_grouping" in
42                                     *yes)
43                                       case "$gl_cv_func_printf_flag_leftadjust" in
44                                         *yes)
45                                           case "$gl_cv_func_printf_flag_zero" in
46                                             *yes)
47                                               case "$gl_cv_func_printf_precision" in
48                                                 *yes)
49                                                   case "$gl_cv_func_printf_enomem" in
50                                                     *yes)
51                                                       if test $ac_cv_func_vasprintf = yes; then
52                                                         # vasprintf exists and is
53                                                         # already POSIX compliant.
54                                                         gl_cv_func_vasprintf_posix=yes
55                                                       fi
56                                                       ;;
57                                                   esac
58                                                   ;;
59                                               esac
60                                               ;;
61                                           esac
62                                           ;;
63                                       esac
64                                       ;;
65                                   esac
66                                   ;;
67                               esac
68                               ;;
69                           esac
70                           ;;
71                       esac
72                       ;;
73                   esac
74                   ;;
75               esac
76               ;;
77           esac
78           ;;
79       esac
80       ;;
81   esac
82   if test $gl_cv_func_vasprintf_posix = no; then
83     gl_PREREQ_VASNPRINTF_LONG_DOUBLE
84     gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
85     gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
86     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
87     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
88     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
89     gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
90     gl_PREREQ_VASNPRINTF_FLAG_ZERO
91     gl_PREREQ_VASNPRINTF_PRECISION
92     gl_PREREQ_VASNPRINTF_ENOMEM
93     gl_REPLACE_VASNPRINTF
94     gl_REPLACE_VASPRINTF
95   fi
96 ])