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39 lines
1.3 KiB
39 lines
1.3 KiB
# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_check_uname_syscall.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CHECK_UNAME_SYSCALL
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#
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# DESCRIPTION
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#
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# Check that the POSIX compliant uname(2) call works properly.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Bruce Korb <bkorb@gnu.org>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 5
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AU_ALIAS([AG_CHECK_UNAME_SYSCALL], [AX_CHECK_UNAME_SYSCALL])
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AC_DEFUN([AX_CHECK_UNAME_SYSCALL],[
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AC_MSG_CHECKING([whether uname(2) is POSIX])
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AC_CACHE_VAL([ax_cv_uname_syscall],[
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AC_TRY_RUN([#include <sys/utsname.h>
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int main() { struct utsname unm;
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return uname( &unm ); }],[ax_cv_uname_syscall=yes],[ax_cv_uname_syscall=no],[ax_cv_uname_syscall=no]
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) # end of TRY_RUN]) # end of CACHE_VAL
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AC_MSG_RESULT([$ax_cv_uname_syscall])
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if test x$ax_cv_uname_syscall = xyes
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then
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AC_DEFINE(HAVE_UNAME_SYSCALL, 1,
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[Define this if uname(2) is POSIX])
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fi
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]) # end of AC_DEFUN of AX_CHECK_UNAME_SYSCALL
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