X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=inline;f=m4%2Flonglong.m4;h=d7d7350b3f53bc18f92ee82cb501a8819e0c28d0;hb=cbfd57c9e245d79e28c028ead19ee20be1e7cad0;hp=44f7ce360325e5ef8644e267538ab6f9ec0e1a68;hpb=d95a63208238ccafa49aae5ac4abc223aad443b3;p=gnulib.git diff --git a/m4/longlong.m4 b/m4/longlong.m4 index 44f7ce360..d7d7350b3 100644 --- a/m4/longlong.m4 +++ b/m4/longlong.m4 @@ -1,17 +1,25 @@ -#serial 3 +# longlong.m4 serial 4 +dnl Copyright (C) 1999-2003 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. dnl From Paul Eggert. -AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG], +# Define HAVE_LONG_LONG if 'long long' works. + +AC_DEFUN([jm_AC_TYPE_LONG_LONG], [ - AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long, - [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;], - [unsigned long long ullmax = (unsigned long long) -1; - return ull << i | ull >> i | ullmax / ull | ullmax % ull;], - ac_cv_type_unsigned_long_long=yes, - ac_cv_type_unsigned_long_long=no)]) - if test $ac_cv_type_unsigned_long_long = yes; then - AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1, - [Define if you have the unsigned long long type.]) + AC_CACHE_CHECK([for long long], ac_cv_type_long_long, + [AC_TRY_LINK([long long ll = 1LL; int i = 63;], + [long long llmax = (long long) -1; + return ll << i | ll >> i | llmax / ll | llmax % ll;], + ac_cv_type_long_long=yes, + ac_cv_type_long_long=no)]) + if test $ac_cv_type_long_long = yes; then + AC_DEFINE(HAVE_LONG_LONG, 1, + [Define if you have the 'long long' type.]) fi ])