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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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Autoconf Macro: ac_prompt_user
</title>
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<hr>
<h1>
ac_prompt_user
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AC_PROMPT_USER(VARIABLENAME,QUESTION,[DEFAULT])</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
Asks a QUESTION and puts the results in VARIABLENAME with an optional
DEFAULT value if the user merely hits return. Also calls
AC_DEFINE_UNQUOTED() on the VARIABLENAME for VARIABLENAMEs that should be
entered into the config.h file as well.
</p>
</div>
<h2>
Author
</h2>
<p class="indent">
Wes Hardaker <wjhardaker@ucdavis.edu>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2000-09-20
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
AC_DEFUN([AC_PROMPT_USER],
[
MSG_CHECK=`echo "$2" | tail -1`
AC_CACHE_CHECK($MSG_CHECK, ac_cv_user_prompt_$1,
[echo "" >&AC_FD_MSG
AC_PROMPT_USER_NO_DEFINE($1,[$2],$3)
eval ac_cv_user_prompt_$1=\$$1
echo $ac_n "setting $MSG_CHECK to... $ac_c" >&AC_FD_MSG
])
if test "$ac_cv_user_prompt_$1" != "none"; then
if test "$4" != ""; then
AC_DEFINE_UNQUOTED($1,"$ac_cv_user_prompt_$1")
else
AC_DEFINE_UNQUOTED($1,$ac_cv_user_prompt_$1)
fi
fi
]) dnl
</pre>
</div>
<h2>
License
</h2>
<div class="indent">
<span style="white-space:nowrap;">Copyright © 2000 Wes Hardaker
<wjhardaker@ucdavis.edu></span>
<p>
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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