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Autoconf Macro: ax_check_awk_exit
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<h1>
ax_check_awk_exit
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AX_CHECK_AWK_EXIT([ACTION-IF-SUCCESS],[ACTION-IF-FAILURE])</code>
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<h2>
Description
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<p>
Check if AWK supports exit(). If successful execute ACTION-IF-SUCCESS
otherwise ACTION-IF-FAILURE.
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<p>
This work is heavily based upon testawk.sh script by Heiner Steven. You
should find his script (and related works) at <<a href=
"http://www.shelldorado.com/articles/awkcompat.html">http://www.shelldorado.com/articles/awkcompat.html</a>>.
Thanks to Alessandro Massignan for his suggestions and extensive nawk tests
on FreeBSD.
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<h2>
Author
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<p class="indent">
Francesco Salvestrini <salvestrini@users.sourceforge.net>
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<h2>
Last Modified
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<p class="indent">
2007-02-13
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M4 Source Code
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<pre class="m4source">
AC_DEFUN([AX_CHECK_AWK_EXIT],[
AC_REQUIRE([AX_NEED_AWK])
AC_MSG_CHECKING([if $AWK supports exit()])
echo "" | $AWK '{ exit(99); }' 2>/dev/null
AS_IF([test $? -eq 99],[
AC_MSG_RESULT([yes])
$1
],[
AC_MSG_RESULT([no])
$2
])
])
</pre>
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<h2>
License
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<span style="white-space:nowrap;">Copyright © 2007 Francesco
Salvestrini <salvestrini@users.sourceforge.net></span>
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Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice and
this notice are preserved.
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