compile test for boost::fusion

[[Imported from SVN: r6082]]

m4/boost_fusion.m4

+# -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+AC_DEFUN([DUNE_BOOST_FUSION],
+[
+        AC_REQUIRE([AC_PROG_CC])
+        CPPFLAGS_SAVED="$CPPFLAGS"
+        CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+        export CPPFLAGS
+
+        LDFLAGS_SAVED="$LDFLAGS"
+        LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
+        export LDFLAGS
+
+        AC_CACHE_CHECK(whether the Boost::FUSION library is available,
+                               dune_boost_fusion,
+                               [AC_LANG_PUSH([C++])
+                               AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[ @%:@include <boost/fusion/container.hpp>
+                                  ]],
+                                  [[
+                                    boost::fusion::vector<int,char,double> v;
+                                    return 0;
+                                   ]]),
+                               dune_boost_fusion=yes, dune_boost_fusion=no)
+                               AC_LANG_POP([C++])])
+         if test "x$dune_boost_filesystem" = "xyes"; then
+               AC_DEFINE(HAVE_BOOST_FUSION,,[define if the Boost::Fusion headers are available])
+         fi
+         CPPFLAGS="$CPPFLAGS_SAVED"
+         LDFLAGS="$LDFLAGS_SAVED"
+])