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24a600a075
Note that due to an m4 bug, you need at least m4 1.4.5, and autoconf built with the newer version of m4, to run autoconf on the source now (this does not apply if you're just running ./configure from a tarball). svn path=/trunk/yasm/; revision=1768
23 lines
909 B
Text
23 lines
909 B
Text
# ulonglong.m4 serial 4
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dnl Copyright (C) 1999-2004 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Paul Eggert.
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# Define HAVE_UNSIGNED_LONG_LONG if 'unsigned long long' works.
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AC_DEFUN([gl_AC_TYPE_UNSIGNED_LONG_LONG],
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[
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AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
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[AC_TRY_LINK([unsigned long long ull = 1ULL; int i = 63;],
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[unsigned long long ullmax = (unsigned long long) -1;
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return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
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ac_cv_type_unsigned_long_long=yes,
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ac_cv_type_unsigned_long_long=no)])
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if test $ac_cv_type_unsigned_long_long = yes; then
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AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
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[Define if you have the 'unsigned long long' type.])
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fi
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])
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