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Autoconf Macro: ax_boost_signals
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<a href="http://autoconf-archive.cryp.to/ax_boost_signals.m4">Download M4
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<h1>
ax_boost_signals
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AX_BOOST_SIGNALS</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
This macro checks to see if the Boost.Signals library is installed. It also
attempts to guess the currect library name using several attempts. It tries
to build the library name using a user supplied name or suffix and then
just the raw library.
</p>
<p>
If the library is found, HAVE_BOOST_SIGNALS is defined and
BOOST_SIGNALS_LIB is set to the name of the library.
</p>
<p>
This macro calls AC_SUBST(BOOST_SIGNALS_LIB).
</p>
</div>
<h2>
Author
</h2>
<p class="indent">
Michael Tindal <mtindal@paradoxpoint.com>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2004-09-20
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
AC_DEFUN([AX_BOOST_SIGNALS],
[AC_REQUIRE([AC_CXX_NAMESPACES])dnl
AC_CACHE_CHECK(whether the Boost::Signal library is available,
ax_cv_boost_signal,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[#include <boost/signal.hpp>]],
[[boost::signal<void ()> sig; return 0;]]),
ax_cv_boost_signal=yes, ax_cv_boost_signal=no)
AC_LANG_RESTORE
])
if test "$ax_cv_boost_signal" = yes; then
AC_DEFINE(HAVE_BOOST_SIGNALS,,[define if the Boost::Signal library is available])
fi
dnl Now determine the appropriate file names
AC_ARG_WITH([boost-signals],AS_HELP_STRING([--with-boost-signals],
[specify the boost signals library or suffix to use]),
[if test "x$with_boost_signals" != "xno"; then
ax_signals_lib=$with_boost_signals
ax_boost_signals_lib=boost_signals-$with_boost_signals
fi])
for ax_lib in $ax_signals_lib $ax_boost_signals_lib boost_signals; do
AC_CHECK_LIB($ax_lib, main, [BOOST_SIGNALS_LIB=$ax_lib break])
done
AC_SUBST(BOOST_SIGNALS_LIB)
])dnl
</pre>
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