m4/vsprintf-posix.m4

   1 # vsprintf-posix.m4 serial 5
   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_DIRECTIVE_A])
  12   AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
  13   AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
  14   AC_REQUIRE([gl_PRINTF_POSITIONS])
  15   AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
  16   AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
  17   gl_cv_func_vsprintf_posix=no
  18   case "$gl_cv_func_printf_sizes_c99" in
  19     *yes)
  20       case "$gl_cv_func_printf_directive_a" in
  21         *yes)
  22           case "$gl_cv_func_printf_directive_f" in
  23             *yes)
  24               case "$gl_cv_func_printf_directive_n" in
  25                 *yes)
  26                   case "$gl_cv_func_printf_positions" in
  27                     *yes)
  28                       case "$gl_cv_func_printf_flag_grouping" in
  29                         *yes)
  30                           case "$gl_cv_func_printf_flag_zero" in
  31                             *yes)
  32                               # vsprintf exists and is already POSIX compliant.
  33                               gl_cv_func_vsprintf_posix=yes
  34                               ;;
  35                           esac
  36                           ;;
  37                       esac
  38                       ;;
  39                   esac
  40                   ;;
  41               esac
  42               ;;
  43           esac
  44           ;;
  45       esac
  46       ;;
  47   esac
  48   if test $gl_cv_func_vsprintf_posix = no; then
  49     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
  50     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
  51     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
  52     gl_PREREQ_VASNPRINTF_FLAG_ZERO
  53     gl_REPLACE_VASNPRINTF
  54     gl_REPLACE_VSPRINTF
  55   fi
  56 ])
  57
  58 AC_DEFUN([gl_REPLACE_VSPRINTF],
  59 [
  60   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  61   AC_LIBOBJ([vsprintf])
  62   REPLACE_VSPRINTF=1
  63   gl_PREREQ_VSPRINTF
  64 ])
  65
  66 AC_DEFUN([gl_PREREQ_VSPRINTF], [:])