diff --git a/configure.in b/configure.in
index c031552..a906263 100644
--- a/configure.in
+++ b/configure.in
@@ -13,7 +13,7 @@
 AC_INIT([mrw/mrw.hpp.in])
 PACKAGENAME=mrw-c++
 m4_define(x_major, 1)
-m4_define(x_minor, 5)
+m4_define(x_minor, 6)
 m4_define(x_least, 0)
 AM_INIT_AUTOMAKE(@PACKAGENAME@, @MAJOR@.@MINOR@.@LEAST@, [marc@waeckerlin.org])
 
@@ -94,12 +94,21 @@ AC_ARG_ENABLE(stacktrace,
   [have_stacktrace="$enableval"], [have_stacktrace="yes"])
 AM_CONDITIONAL(HAVE_STACKTRACE, test "$have_stacktrace" = "yes")
 if test "$have_stacktrace" = "yes"; then
-  AC_SEARCH_LIBS(cplus_demangle, iberty, [AC_MSG_RESULT([OK])],
+  AC_SEARCH_LIBS(cplus_demangle, [demangle iberty],
+                 [AC_MSG_RESULT([OK, found cplus_demangle])],
                  [AC_MSG_ERROR([Library iberty is required!])])
-  AC_SEARCH_LIBS(bfd_arch_list, bfd, [AC_MSG_RESULT([OK])],
-                 [ac_cv_search_bfd_arch_list=;
-                 ]AC_SEARCH_LIBS(bfd_arch_list, bfd, [AC_MSG_RESULT([OK])],
-                   [AC_MSG_ERROR([BFD library libbfd is required])], [-lintl]))
+  AC_SEARCH_LIBS(bfd_arch_list, bfd,
+                 [have_bfd="yes";
+                  AC_MSG_RESULT([OK, found bfd, no need for additional libs])],
+                 [have_bfd="no"])
+  if test "$have_bfd" != "yes"; then
+    unset ac_cv_search_bfd_arch_list
+    AC_SEARCH_LIBS(bfd_arch_list, bfd,
+                   [AC_MSG_RESULT([OK, found bfd, but require more libs])
+                   LIBS="${LIBS:-} -lintl -liberty"],
+                   [AC_MSG_ERROR([BFD library libbfd is required])],
+                   [-lintl -liberty])
+  fi
 fi
 
 # export macros
@@ -107,6 +116,7 @@ AC_SUBST(HAVE_DOT)
 AC_SUBST(PACKAGENAME)
 AC_SUBST(AM_CXXFLAGS)
 AC_SUBST(AM_CPPFLAGS)
+AC_SUBST(LIBS)
 
 # create output
 AC_CONFIG_FILES([makefile mrw-c++.spec