Have dofile.pl say where it was run

Reviewed-by: NViktor Dukhovni <viktor@openssl.org>

Configurations/descrip.mms.tmpl

@@ -629,7 +629,8 @@ EOF
                            rel2abs($config{builddir}));
       return <<"EOF";
 $script : $sources
-        \$(PERL) "-I\$(BUILDDIR)" "-Mconfigdata" $dofile $sources > $script
+        \$(PERL) "-I\$(BUILDDIR)" "-Mconfigdata" $dofile -
+	    "-o{- $config{build_file} -}" $sources > $script
         SET FILE/PROT=(S:RWED,O:RWED,G:RE,W:RE) $script
         PURGE $script
 EOF

Configurations/unix-Makefile.tmpl

@@ -882,7 +882,8 @@ EOF
                            rel2abs($config{builddir}));
       return <<"EOF";
 $script : $sources
-	\$(PERL) "-I\$(BLDDIR)" -Mconfigdata "$dofile" $sources > "$script"
+	\$(PERL) "-I\$(BLDDIR)" -Mconfigdata "$dofile" \\
+	    "-o{- $config{build_file} -}" $sources > "$script"
 	chmod a+x $script
 EOF
   }