blob: e5cc04939f414b4ef40a719527ddcfecf10fcd39 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
#
# LUFA Library
# Copyright (C) Dean Camera, 2017.
#
# dean [at] fourwalledcubicle [dot] com
# www.lufa-lib.org
#
# Makefile to build all the LUFA Dual Role Demos. Call with "make all" to
# rebuild all Dual Role 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)
$(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
endif
# Need to special-case building without a per-project object directory
ifeq ($(OBJDIR),)
# If no target specified, force "clean all" and disallow parallel build
ifeq ($(MAKECMDGOALS),)
MAKECMDGOALS := clean all
.NOTPARALLEL:
endif
# If one of the targets is to build, force "clean" beforehand and disallow parallel build
ifneq ($(findstring all, $(MAKECMDGOALS)),)
MAKECMDGOALS := clean $(MAKECMDGOALS)
.NOTPARALLEL:
endif
endif
%: $(PROJECT_DIRECTORIES)
@echo . > /dev/null
$(PROJECT_DIRECTORIES):
@$(MAKE) -C $@ $(MAKECMDGOALS)
.PHONY: $(PROJECT_DIRECTORIES)
|
