m4/fprintf-posix.m4

   1 # fprintf-posix.m4 serial 6
   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_FPRINTF_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_DIRECTIVE_A])
  13   AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
  14   AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
  15   AC_REQUIRE([gl_PRINTF_POSITIONS])
  16   AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
  17   AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
  18   gl_cv_func_fprintf_posix=no
  19   case "$gl_cv_func_printf_sizes_c99" in
  20     *yes)
  21       case "$gl_cv_func_printf_long_double" in
  22         *yes)
  23           case "$gl_cv_func_printf_directive_a" in
  24             *yes)
  25               case "$gl_cv_func_printf_directive_f" in
  26                 *yes)
  27                   case "$gl_cv_func_printf_directive_n" in
  28                     *yes)
  29                       case "$gl_cv_func_printf_positions" in
  30                         *yes)
  31                           case "$gl_cv_func_printf_flag_grouping" in
  32                             *yes)
  33                               case "$gl_cv_func_printf_flag_zero" in
  34                                 *yes)
  35                                   # fprintf exists and is already POSIX
  36                                   # compliant.
  37                                   gl_cv_func_fprintf_posix=yes
  38                                   ;;
  39                               esac
  40                               ;;
  41                           esac
  42                           ;;
  43                       esac
  44                       ;;
  45                   esac
  46                   ;;
  47               esac
  48               ;;
  49           esac
  50           ;;
  51       esac
  52       ;;
  53   esac
  54   if test $gl_cv_func_fprintf_posix = no; then
  55     gl_PREREQ_VASNPRINTF_LONG_DOUBLE
  56     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
  57     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
  58     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
  59     gl_PREREQ_VASNPRINTF_FLAG_ZERO
  60     gl_REPLACE_VASNPRINTF
  61     gl_REPLACE_FPRINTF
  62   fi
  63 ])
  64
  65 AC_DEFUN([gl_REPLACE_FPRINTF],
  66 [
  67   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  68   AC_LIBOBJ([fprintf])
  69   REPLACE_FPRINTF=1
  70   gl_PREREQ_FPRINTF
  71 ])
  72
  73 AC_DEFUN([gl_PREREQ_FPRINTF], [:])