From 1bdc3263719ddd23c68fc9db896388670451b58c Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Wed, 31 Oct 2007 12:55:02 +0100 Subject: Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. --- m4/ulonglong.m4 | 37 +------------------------------------ 1 file changed, 1 insertion(+), 36 deletions(-) (limited to 'm4/ulonglong.m4') diff --git a/m4/ulonglong.m4 b/m4/ulonglong.m4 index 34f06e4c95..971f409f25 100644 --- a/m4/ulonglong.m4 +++ b/m4/ulonglong.m4 @@ -1,44 +1,9 @@ -# ulonglong.m4 serial 8 +# ulonglong.m4 serial 9 dnl Copyright (C) 1999-2007 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. -dnl From Paul Eggert. - -# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works. -# This fixes a bug in Autoconf 2.61, but can be removed once we -# assume 2.62 everywhere. - -# Note: If the type 'unsigned long long int' exists but is only 32 bits -# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT -# will not be defined. In this case you can treat 'unsigned long long int' -# like 'unsigned long int'. - -AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT], -[ - AC_CACHE_CHECK([for unsigned long long int], - [ac_cv_type_unsigned_long_long_int], - [AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#if ! (18446744073709551615ULL <= -1ull) - error in preprocessor; - #endif - unsigned long long int ull = 18446744073709551615ULL; - typedef int a[(18446744073709551615ULL <= (unsigned long long int) -1 - ? 1 : -1)]; - int i = 63;]], - [[unsigned long long int ullmax = 18446744073709551615ull; - return (ull << 63 | ull >> 63 | ull << i | ull >> i - | ullmax / ull | ullmax % ull);]])], - [ac_cv_type_unsigned_long_long_int=yes], - [ac_cv_type_unsigned_long_long_int=no])]) - if test $ac_cv_type_unsigned_long_long_int = yes; then - AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], 1, - [Define to 1 if the system has the type `unsigned long long int'.]) - fi -]) - # This macro is obsolescent and should go away soon. AC_DEFUN([gl_AC_TYPE_UNSIGNED_LONG_LONG], [ -- cgit v1.2.1