builddeb: fixup headers installation

reduce kernel headers compiling time

Author: numbqq

scripts/package/builddeb

@@ -44,7 +44,7 @@ create_package() {
 
 	# Create postinstall script for headers
 	if [[ "$1" == *headers* ]]; then
-		echo "cd /usr/src/linux-headers-$version; echo \"Compiling headers - please wait ...\"; make -s scripts >/dev/null 2>&1" >> $pdir/DEBIAN/postinst
+		echo "cd /usr/src/linux-headers-$version; echo \"Compiling headers - please wait ...\";find -type f -exec touch {} +; make -s scripts >/dev/null 2>&1" >> $pdir/DEBIAN/postinst
 		echo "exit 0" >> $pdir/DEBIAN/postinst
 		chmod 775 $pdir/DEBIAN/postinst
 	fi