glob: merge from glibc with Zanella glob changes
[gnulib.git] / m4 / vasprintf-posix.m4
blob4e46e42eb31b1271b0df2cabb148cd963803fe41
1 # vasprintf-posix.m4 serial 13
2 dnl Copyright (C) 2007-2017 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_VASPRINTF_POSIX],
9   AC_REQUIRE([gl_PRINTF_SIZES_C99])
10   AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
11   AC_REQUIRE([gl_PRINTF_INFINITE])
12   AC_REQUIRE([gl_PRINTF_INFINITE_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_DIRECTIVE_LS])
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_directive_ls" in
40                                 *yes)
41                                   case "$gl_cv_func_printf_positions" in
42                                     *yes)
43                                       case "$gl_cv_func_printf_flag_grouping" in
44                                         *yes)
45                                           case "$gl_cv_func_printf_flag_leftadjust" in
46                                             *yes)
47                                               case "$gl_cv_func_printf_flag_zero" in
48                                                 *yes)
49                                                   case "$gl_cv_func_printf_precision" in
50                                                     *yes)
51                                                       case "$gl_cv_func_printf_enomem" in
52                                                         *yes)
53                                                           if test $ac_cv_func_vasprintf = yes; then
54                                                             # vasprintf exists and is
55                                                             # already POSIX compliant.
56                                                             gl_cv_func_vasprintf_posix=yes
57                                                           fi
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           ;;
83       esac
84       ;;
85   esac
86   if test $gl_cv_func_vasprintf_posix = no; then
87     gl_PREREQ_VASNPRINTF_LONG_DOUBLE
88     gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
89     gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
90     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
91     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
92     gl_PREREQ_VASNPRINTF_DIRECTIVE_LS
93     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
94     gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
95     gl_PREREQ_VASNPRINTF_FLAG_ZERO
96     gl_PREREQ_VASNPRINTF_PRECISION
97     gl_PREREQ_VASNPRINTF_ENOMEM
98     gl_REPLACE_VASNPRINTF
99     gl_REPLACE_VASPRINTF
100   fi