Stefan Fiedler:

package/base/dietlibc/config-350.in

@@ -39,7 +39,7 @@ then
 			for i in `grep " DIETLIBC " config/$config.$swpid/packages | \
 					cut -f5 -d" " | sort`
 			do
-				x="${i//-/_}" ; x="${x//+/_}"
+				x="${i//-/_}" ; x="${x//+/_}" ; x="${x#*=}"
 				bool "Build package with dietlibc: $i" \
 				     "ROCKCFG_DIETLIBC_${x}" 0
 			done

package/base/dietlibc/parse-config-9

@@ -49,7 +49,7 @@ function add_lib () {
 if [ "$ROCKCFG_DIETLIBC_ALL" = 1 -o "$pkg" = "dietlibc" ]; then
 	pkg_dietlibc_useit=1
 else
-	x="${pkg//-/_}" ; x="${x//+/_}"
+	x="${pkg//-/_}" ; x="${x//+/_}" ; x="${x#*=}"
 	eval "pkg_dietlibc_useit=\$ROCKCFG_DIETLIBC_${x}"
 fi
 [ "$pkg_dietlibc_useit" != 1 ] && pkg_dietlibc_useit=0