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lufa-master/Demos/Device/ClassDriver/makefile 970 Bytes
142ecdaf   rguillom   first commit
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  #
  #             LUFA Library
  #     Copyright (C) Dean Camera, 2019.
  #
  #  dean [at] fourwalledcubicle [dot] com
  #           www.lufa-lib.org
  #
  
  # Makefile to build all the LUFA Device Demos. Call with "make all" to
  # rebuild all Device demos.
  
  # Projects are pre-cleaned before each one is built, to ensure any
  # custom LUFA library build options are reflected in the compiled
  # code.
  
  PROJECT_DIRECTORIES := $(shell ls -d */)
  
  # This makefile is potentially infinitely recursive if something really bad
  # happens when determining the set of project directories - hard-abort if
  # more than 10 levels deep to avoid angry emails.
  ifeq ($(MAKELEVEL), 10)
     $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
  endif
  
  # Build each directory sequentially, even if we are building using multiple
  # cores within each project
  .NOTPARALLEL:
  
  %: $(PROJECT_DIRECTORIES)
  	@echo . > /dev/null
  
  $(PROJECT_DIRECTORIES):
  	@$(MAKE) -C $@ $(MAKECMDGOALS)
  
  .PHONY: $(PROJECT_DIRECTORIES)