m4/vasnprintf-posix.m4

   1 # vasnprintf-posix.m4 serial 10
   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.
   6
   7 AC_DEFUN([gl_FUNC_VASNPRINTF_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_ZERO])
  20   AC_REQUIRE([gl_PRINTF_PRECISION])
  21   AC_REQUIRE([gl_PRINTF_ENOMEM])
  22   gl_cv_func_vasnprintf_posix=no
  23   AC_CHECK_FUNCS_ONCE([vasnprintf])
  24   case "$gl_cv_func_printf_sizes_c99" in
  25     *yes)
  26       case "$gl_cv_func_printf_long_double" in
  27         *yes)
  28           case "$gl_cv_func_printf_infinite" in
  29             *yes)
  30               case "$gl_cv_func_printf_infinite_long_double" in
  31                 *yes)
  32                   case "$gl_cv_func_printf_directive_a" in
  33                     *yes)
  34                       case "$gl_cv_func_printf_directive_f" in
  35                         *yes)
  36                           case "$gl_cv_func_printf_directive_n" in
  37                             *yes)
  38                               case "$gl_cv_func_printf_positions" in
  39                                 *yes)
  40                                   case "$gl_cv_func_printf_flag_grouping" in
  41                                     *yes)
  42                                       case "$gl_cv_func_printf_flag_zero" in
  43                                         *yes)
  44                                           case "$gl_cv_func_printf_precision" in
  45                                             *yes)
  46                                               case "$gl_cv_func_printf_enomem" in
  47                                                 *yes)
  48                                                   if test $ac_cv_func_vasnprintf = yes; then
  49                                                     # vasnprintf exists and is
  50                                                     # already POSIX compliant.
  51                                                     gl_cv_func_vasnprintf_posix=yes
  52                                                   fi
  53                                                   ;;
  54                                               esac
  55                                               ;;
  56                                           esac
  57                                           ;;
  58                                       esac
  59                                       ;;
  60                                   esac
  61                                   ;;
  62                               esac
  63                               ;;
  64                           esac
  65                           ;;
  66                       esac
  67                       ;;
  68                   esac
  69                   ;;
  70               esac
  71               ;;
  72           esac
  73           ;;
  74       esac
  75       ;;
  76   esac
  77   if test $gl_cv_func_vasnprintf_posix = no; then
  78     gl_PREREQ_VASNPRINTF_LONG_DOUBLE
  79     gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
  80     gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
  81     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
  82     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
  83     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
  84     gl_PREREQ_VASNPRINTF_FLAG_ZERO
  85     gl_PREREQ_VASNPRINTF_PRECISION
  86     gl_PREREQ_VASNPRINTF_ENOMEM
  87     gl_REPLACE_VASNPRINTF
  88   fi
  89 ])