root/trunk/m4/longlong.m4

Revision 2, 0.8 kB (checked in by jordi, 3 years ago)

Added the initial source layout with autotools and gettext support. Still no code for the project.
Line 
1# longlong.m4 serial 5
2dnl Copyright (C) 1999-2004 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl From Paul Eggert.
8
9# Define HAVE_LONG_LONG if 'long long' works.
10
11AC_DEFUN([gl_AC_TYPE_LONG_LONG],
12[
13  AC_CACHE_CHECK([for long long], ac_cv_type_long_long,
14  [AC_TRY_LINK([long long ll = 1LL; int i = 63;],
15    [long long llmax = (long long) -1;
16     return ll << i | ll >> i | llmax / ll | llmax % ll;],
17    ac_cv_type_long_long=yes,
18    ac_cv_type_long_long=no)])
19  if test $ac_cv_type_long_long = yes; then
20    AC_DEFINE(HAVE_LONG_LONG, 1,
21      [Define if you have the 'long long' type.])
22  fi
23])
Note: See TracBrowser for help on using the browser.