-# longlong.m4 serial 12
+# longlong.m4 serial 13
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,
AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET],
[
AC_LANG_PROGRAM(
- [[/* Test preprocessor. */
- #if ! (-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
- error in preprocessor;
- #endif
- #if ! (18446744073709551615ULL <= -1ull)
- error in preprocessor;
- #endif
+ [[/* For now, do not test the preprocessor; as of 2007 there are too many
+ implementations with broken preprocessors. Perhaps this can
+ be revisited in 2012. In the meantime, code should not expect
+ #if to work with literals wider than 32 bits. */
/* Test literals. */
long long int ll = 9223372036854775807ll;
long long int nll = -9223372036854775807LL;
| (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
| (ullmax / ull) | (ullmax % ull));]])
])
-
-# This macro is obsolescent and should go away soon.
-AC_DEFUN([gl_AC_TYPE_LONG_LONG],
-[
- AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
- ac_cv_type_long_long=$ac_cv_type_long_long_int
- if test $ac_cv_type_long_long = yes; then
- AC_DEFINE(HAVE_LONG_LONG, 1,
- [Define if you have the 'long long' type.])
- fi
-])