m4/vdprintf-posix.m4

   1 # vdprintf-posix.m4 serial 1
   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_VDPRINTF_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_vdprintf_posix=no
  23   AC_CHECK_FUNCS_ONCE([vdprintf])
  24   if test $ac_cv_func_vdprintf = yes; then
  25     case "$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                                                         # vdprintf exists and is
  52                                                         # already POSIX compliant.
  53                                                         gl_cv_func_vdprintf_posix=yes
  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         ;;
  79     esac
  80   fi
  81   if test $gl_cv_func_vdprintf_posix = no; then
  82     gl_PREREQ_VASNPRINTF_LONG_DOUBLE
  83     gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
  84     gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
  85     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
  86     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
  87     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
  88     gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
  89     gl_PREREQ_VASNPRINTF_FLAG_ZERO
  90     gl_PREREQ_VASNPRINTF_PRECISION
  91     gl_PREREQ_VASNPRINTF_ENOMEM
  92     gl_REPLACE_VASNPRINTF
  93     gl_REPLACE_VDPRINTF
  94   fi
  95 ])