m4/vsprintf-posix.m4

   1 # vsprintf-posix.m4 serial 7
   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_VSPRINTF_POSIX],
   8 [
   9   AC_REQUIRE([gl_EOVERFLOW])
  10   AC_REQUIRE([gl_PRINTF_SIZES_C99])
  11   AC_REQUIRE([gl_PRINTF_INFINITE])
  12   AC_REQUIRE([gl_PRINTF_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_ZERO])
  19   gl_cv_func_vsprintf_posix=no
  20   case "$gl_cv_func_printf_sizes_c99" in
  21     *yes)
  22       case "$gl_cv_func_printf_infinite" in
  23         *yes)
  24           case "$gl_cv_func_printf_long_double" in
  25             *yes)
  26               case "$gl_cv_func_printf_directive_a" in
  27                 *yes)
  28                   case "$gl_cv_func_printf_directive_f" in
  29                     *yes)
  30                       case "$gl_cv_func_printf_directive_n" in
  31                         *yes)
  32                           case "$gl_cv_func_printf_positions" in
  33                             *yes)
  34                               case "$gl_cv_func_printf_flag_grouping" in
  35                                 *yes)
  36                                   case "$gl_cv_func_printf_flag_zero" in
  37                                     *yes)
  38                                       # vsprintf exists and is already POSIX
  39                                       # compliant.
  40                                       gl_cv_func_vsprintf_posix=yes
  41                                       ;;
  42                                   esac
  43                                   ;;
  44                               esac
  45                               ;;
  46                           esac
  47                           ;;
  48                       esac
  49                       ;;
  50                   esac
  51                   ;;
  52               esac
  53               ;;
  54           esac
  55           ;;
  56       esac
  57       ;;
  58   esac
  59   if test $gl_cv_func_vsprintf_posix = no; then
  60     gl_PREREQ_VASNPRINTF_INFINITE
  61     gl_PREREQ_VASNPRINTF_LONG_DOUBLE
  62     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
  63     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
  64     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
  65     gl_PREREQ_VASNPRINTF_FLAG_ZERO
  66     gl_REPLACE_VASNPRINTF
  67     gl_REPLACE_VSPRINTF
  68   fi
  69 ])
  70
  71 AC_DEFUN([gl_REPLACE_VSPRINTF],
  72 [
  73   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  74   AC_LIBOBJ([vsprintf])
  75   REPLACE_VSPRINTF=1
  76   gl_PREREQ_VSPRINTF
  77 ])
  78
  79 AC_DEFUN([gl_PREREQ_VSPRINTF], [:])