ulonglong.m4

Revision 2, 0.9 kB (checked in by jordi, 2 years ago)
Added the initial source layout with autotools and gettext support. Still no code for the project.

Line
1	# ulonglong.m4 serial 4
2	dnl Copyright (C) 1999-2004 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 if 'unsigned long long' works.
10
11	AC_DEFUN([gl_AC_TYPE_UNSIGNED_LONG_LONG],
12	[
13	AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
14	[AC_TRY_LINK([unsigned long long ull = 1ULL; int i = 63;],
15	[unsigned long long ullmax = (unsigned long long) -1;
16	return ull << i \| ull >> i \| ullmax / ull \| ullmax % ull;],
17	ac_cv_type_unsigned_long_long=yes,
18	ac_cv_type_unsigned_long_long=no)])
19	if test $ac_cv_type_unsigned_long_long = yes; then
20	AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
21	[Define if you have the 'unsigned long long' type.])
22	fi
23	])

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