--- m4/ax_boost_base-fixed.m4	2008-10-05 04:41:53.000000000 +0300
+++ m4/ax_boost_base-fixed.m4	2010-01-15 21:23:35.000000000 +0200
@@ -89,7 +89,7 @@
 	dnl or if you install boost with RPM
 	if test "$ac_boost_path" != ""; then
 		BOOST_LDFLAGS="-L$ac_boost_path/lib"
-		BOOST_CPPFLAGS="-I$ac_boost_path/include"
+		BOOST_CPPFLAGS="-I$ac_boost_path"
 	else
 		for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
 			if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then