m4/vfprintf-posix.m4

   1 # vfprintf-posix.m4 serial 13
   2 dnl Copyright (C) 2007-2009 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_VFPRINTF_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_POSITIONS])
  17   AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
  18   AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
  19   AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
  20   AC_REQUIRE([gl_PRINTF_PRECISION])
  21   AC_REQUIRE([gl_PRINTF_ENOMEM])
  22   gl_cv_func_vfprintf_posix=no
  23   case "$gl_cv_func_printf_sizes_c99" in
  24     *yes)
  25       case "$gl_cv_func_printf_long_double" in
  26         *yes)
  27           case "$gl_cv_func_printf_infinite" in
  28             *yes)
  29               case "$gl_cv_func_printf_infinite_long_double" in
  30                 *yes)
  31                   case "$gl_cv_func_printf_directive_a" in
  32                     *yes)
  33                       case "$gl_cv_func_printf_directive_f" in
  34                         *yes)
  35                           case "$gl_cv_func_printf_directive_n" in
  36                             *yes)
  37                               case "$gl_cv_func_printf_positions" in
  38                                 *yes)
  39                                   case "$gl_cv_func_printf_flag_grouping" in
  40                                     *yes)
  41                                       case "$gl_cv_func_printf_flag_leftadjust" in
  42                                         *yes)
  43                                           case "$gl_cv_func_printf_flag_zero" in
  44                                             *yes)
  45                                               case "$gl_cv_func_printf_precision" in
  46                                                 *yes)
  47                                                   case "$gl_cv_func_printf_enomem" in
  48                                                     *yes)
  49                                                       # vfprintf exists and is
  50                                                       # already POSIX compliant.
  51                                                       gl_cv_func_vfprintf_posix=yes
  52                                                       ;;
  53                                                   esac
  54                                                   ;;
  55                                               esac
  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   if test $gl_cv_func_vfprintf_posix = no; then
  79     gl_PREREQ_VASNPRINTF_LONG_DOUBLE
  80     gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
  81     gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
  82     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
  83     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
  84     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
  85     gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
  86     gl_PREREQ_VASNPRINTF_FLAG_ZERO
  87     gl_PREREQ_VASNPRINTF_PRECISION
  88     gl_PREREQ_VASNPRINTF_ENOMEM
  89     gl_REPLACE_VASNPRINTF
  90     gl_REPLACE_VFPRINTF
  91   fi
  92 ])
  93
  94 AC_DEFUN([gl_REPLACE_VFPRINTF],
  95 [
  96   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  97   AC_LIBOBJ([vfprintf])
  98   REPLACE_VFPRINTF=1
  99   AC_DEFINE([REPLACE_VFPRINTF_POSIX], [1],
 100     [Define if vfprintf is overridden by a POSIX compliant gnulib implementation.])
 101   gl_PREREQ_VFPRINTF
 102 ])
 103
 104 AC_DEFUN([gl_PREREQ_VFPRINTF], [:])