Stefan Fiedler:

package/base/bzip2/bzip2.conf

@@ -21,21 +21,38 @@
 # 
 # --- ROCK-COPYRIGHT-NOTE-END ---
 
-# var_append makeopt " " "PREFIX=$root"
-var_append makeinstopt " " "PREFIX=$root/usr"
+var_append makeinstopt " " "PREFIX=$instroot/$prefix"
 
-inmake="cp Makefile{,.orig}; \
-	sed -e '/^all:/s/ test//' Makefile.orig > Makefile; \
-	cp -v manual* bzip2.txt $docdir; \
+premake="bzip2_premake"
+bzip2_premake() {
+	if [ $stagelevel -le 2 ] ; then
+		cp Makefile{,.orig}
+		sed -e '/^all:/s/ test//' Makefile.orig > Makefile
+	fi
+
+	sed -i "s@/lib\(/\| \|$\)@/$multilib\1@g" Makefile
+}
+
+inmake="cp -v manual* bzip2.txt $docdir; \
 	if [ \"$ROCKCFG_DIETLIBC_bzip2\" != 1 ]; then \
-		$MAKE -f Makefile-libbz2_so; \
+		eval $MAKE -f Makefile-libbz2_so \$makeopt; \
 	fi"
 
-postmake="if [ \"$ROCKCFG_DIETLIBC_bzip2\" != 1 ]; then \
-		ln -svf libbz2.so.1.0 libbz2.so.1; \
-		cp -a libbz2.so.* $root/lib; \
-		cp -v bzip2-shared $root/bin/bzip2; \
-	fi; \
-	rm -vf $root/usr/bin/{bunzip2,bzcat,bzip2}; \
-	ln -sfv bzip2 $root/bin/bunzip2; \
-	ln -sfv bzip2 $root/bin/bzcat"
+postmake="bzip2_postmake"
+bzip2_postmake()
+{
+	if [ \"$ROCKCFG_DIETLIBC_bzip2\" != 1 ]; then
+		ln -svf libbz2.so.1.0 libbz2.so.1
+		cp -a libbz2.so.* $root/$multilib
+		if [[ "$xpkg" != *-32bit ]] ; then
+			cp -v bzip2-shared $root/bin/bzip2
+		fi
+	fi
+	if [[ "$xpkg" = *-32bit ]] ; then
+		cp -a $instroot/$prefix/lib/* $root/usr/lib/
+	else
+		rm -vf $bindir/{bunzip2,bzcat,bzip2}
+		ln -sfv bzip2 $root/bin/bunzip2
+		ln -sfv bzip2 $root/bin/bzcat
+	fi
+}