# # Copyright 2016 RIFT.IO Inc # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # Author(s): Tim Mortsolf # Creation Date: 11/25/2013 # ## # Define a Makefile function: find_upwards(filename) # # Searches for a file of the given name in the directory ., .., ../.., ../../.., etc., # until the file is found or the root directory is reached ## find_upward = $(word 1, $(shell while [ `pwd` != / ] ; do find `pwd` -maxdepth 1 -name $1 ; cd .. ; done)) ## # Call find_upward("Makefile.top") to find the nearest upwards adjacent Makefile.top ## makefile.top := $(call find_upward, "Makefile.top") ## # If Makefile.top was found, then include it ## include $(makefile.top)