m4/vasnprintf-posix.m4

   1 # vasnprintf-posix.m4 serial 13
   2 dnl Copyright (C) 2007-2018 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_VASNPRINTF_POSIX],
   8 [
   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_vasnprintf_posix=no
  24   AC_CHECK_FUNCS_ONCE([vasnprintf])
  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_vasnprintf = yes; then
  54                                                             # vasnprintf exists and is
  55                                                             # already POSIX compliant.
  56                                                             gl_cv_func_vasnprintf_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_vasnprintf_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   fi
 100 ])