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Member "libextractor-1.11/m4/ulonglong.m4" (20 Jun 2018, 1882 Bytes) of package /linux/privat/libextractor-1.11.tar.gz:


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    1 # ulonglong.m4 serial 6
    2 dnl Copyright (C) 1999-2006 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 dnl From Paul Eggert.
    8 
    9 # Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
   10 # This fixes a bug in Autoconf 2.60, but can be removed once we
   11 # assume 2.61 everywhere.
   12 
   13 # Note: If the type 'unsigned long long int' exists but is only 32 bits
   14 # large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
   15 # will not be defined. In this case you can treat 'unsigned long long int'
   16 # like 'unsigned long int'.
   17 
   18 AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
   19 [
   20   AC_CACHE_CHECK([for unsigned long long int],
   21     [ac_cv_type_unsigned_long_long_int],
   22     [AC_LINK_IFELSE(
   23        [AC_LANG_PROGRAM(
   24 	  [[unsigned long long int ull = 18446744073709551615ULL;
   25 	    typedef int a[(18446744073709551615ULL <= (unsigned long long int) -1
   26 			   ? 1 : -1)];
   27 	   int i = 63;]],
   28 	  [[unsigned long long int ullmax = 18446744073709551615ull;
   29 	    return (ull << 63 | ull >> 63 | ull << i | ull >> i
   30 		    | ullmax / ull | ullmax % ull);]])],
   31        [ac_cv_type_unsigned_long_long_int=yes],
   32        [ac_cv_type_unsigned_long_long_int=no])])
   33   if test $ac_cv_type_unsigned_long_long_int = yes; then
   34     AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], 1,
   35       [Define to 1 if the system has the type `unsigned long long int'.])
   36   fi
   37 ])
   38 
   39 # This macro is obsolescent and should go away soon.
   40 AC_DEFUN([gl_AC_TYPE_UNSIGNED_LONG_LONG],
   41 [
   42   AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
   43   ac_cv_type_unsigned_long_long=$ac_cv_type_unsigned_long_long_int
   44   if test $ac_cv_type_unsigned_long_long = yes; then
   45     AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
   46       [Define if you have the 'unsigned long long' type.])
   47   fi
   48 ])