fixed small configure issues

[[Imported from SVN: r4505]]

common/Makefile.am

@@ -7,7 +7,7 @@ noinst_LTLIBRARIES = libcommon.la
 
 libcommon_la_SOURCES = stdstreams.cc configparser.cc exprtmpl.cc
 
-AM_CPPFLAGS = @AN_CPPFLAGS@ -I$(top_srcdir)/..
+AM_CPPFLAGS = @AM_CPPFLAGS@ -I$(top_srcdir)/..
 
 commonincludedir = $(includedir)/dune/common
 commoninclude_HEADERS = dlist.cc stdstreams.cc alignment.hh \

configure.ac

@@ -7,13 +7,10 @@ AC_CONFIG_SRCDIR([common/stdstreams.cc])
 AM_CONFIG_HEADER([config.h])
 
 # check all dune-module stuff
-DUNE_CHECK_ALL_M([dunecommon])
-
-if test x$HAVE_DUNECOMMON != x1 ; then
-  AC_MSG_ERROR([Can't work without the dune-common module. Maybe you have to supply your dune-common directory as --with-dunecommon=dir])
-fi
+DUNE_CHECK_ALL_M
 
 # preset variable to path such that #include <dune/...> works
+AC_SUBST([DUNECOMMONROOT], '$(top_srcdir)')
 AC_SUBST([AM_CPPFLAGS], '-I$(top_srcdir)')
 AC_SUBST([AM_LDFLAGS], '-L$(top_builddir)/common -lcommon')
 AC_SUBST([LOCAL_LIBS], '$(top_builddir)/common/libcommon.la')