AC_DEFINE(HAVE_BOOST_COROUTINE,,[define if the Boost::Coroutine library is available])
BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
if test "x$ax_boost_user_coroutine_lib" = "x"; then
for libextension in `ls $BOOSTLIBDIR/libboost_coroutine*.so* $BOOSTLIBDIR/libboost_coroutine*.dylib* $BOOSTLIBDIR/libboost_coroutine*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_coroutine.*\)\.so.*$;\1;' -e 's;^lib\(boost_coroutine.*\)\.dylib.*$;\1;' -e 's;^lib\(boost_coroutine.*\)\.a.*$;\1;'` ; do
for libextension in `ls $BOOSTLIBDIR/boost_coroutine*.dll* $BOOSTLIBDIR/boost_coroutine*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_coroutine.*\)\.dll.*$;\1;' -e 's;^\(boost_coroutine.*\)\.a.*$;\1;'` ; do