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Last change
on this file since 630 was
444,
checked in by satin@…, 7 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.0 KB
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| 1 | # ulonglong.m4 serial 2 (fileutils-4.0.32, gettext-0.10.40) |
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| 2 | dnl Copyright (C) 1999-2002 Free Software Foundation, Inc. |
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| 3 | dnl This file is free software, distributed under the terms of the GNU |
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| 4 | dnl General Public License. As a special exception to the GNU General |
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| 5 | dnl Public License, this file may be distributed as part of a program |
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| 6 | dnl that contains a configuration script generated by Autoconf, under |
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| 7 | dnl the same distribution terms as the rest of that program. |
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| 8 | |
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| 9 | dnl From Paul Eggert. |
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| 10 | |
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| 11 | AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG], |
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| 12 | [ |
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| 13 | AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long, |
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| 14 | [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;], |
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| 15 | [unsigned long long ullmax = (unsigned long long) -1; |
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| 16 | return ull << i | ull >> i | ullmax / ull | ullmax % ull;], |
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| 17 | ac_cv_type_unsigned_long_long=yes, |
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| 18 | ac_cv_type_unsigned_long_long=no)]) |
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| 19 | if test $ac_cv_type_unsigned_long_long = yes; then |
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| 20 | AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1, |
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| 21 | [Define if you have the unsigned long long type.]) |
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| 22 | fi |
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| 23 | ]) |
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