diff -up dhcp-4.2.5b1/configure.ac.pkgconfig dhcp-4.2.5b1/configure.ac

--- dhcp-4.2.5b1/configure.ac.pkgconfig	2012-12-05 02:18:44.000000000 +0100

+++ dhcp-4.2.5b1/configure.ac	2012-12-17 15:45:33.769128387 +0100

@@ -194,6 +194,9 @@ if test "$atf_path" != "no" ; then

         if test -f $atf_path/lib/pkgconfig/atf-c.pc ; then

             atf_pcp=$atf_path/lib/pkgconfig

         fi

+        if test -f $atf_path/lib64/pkgconfig/atf-c.pc ; then

+            atf_pcp=$atf_path/lib64/pkgconfig

+        fi

     else

         # Not specified, try some common paths

         atf_dirs="/usr /usr/local /usr/pkg /opt /opt/local"

@@ -202,6 +205,9 @@ if test "$atf_path" != "no" ; then

             if test -f $d/lib/pkgconfig/atf-c.pc ; then

                 atf_pcp=$d/lib/pkgconfig

             fi

+            if test -f $d/lib64/pkgconfig/atf-c.pc ; then

+                atf_pcp=$d/lib64/pkgconfig

+            fi

         done

     fi

     if test "$atf_pcp" = "" ; then