1ifneq ($(lastword a b),b)
2$(error These Makefiles require make 3.81 or newer)
3endif
4
5# Set TOP to be the path to get from the current directory (where make was
6# invoked) to the top of the tree. $(lastword $(MAKEFILE_LIST)) returns
7# the name of this makefile relative to where make was invoked.
8#
9# We assume that this file is in the py directory so we use $(dir ) twice
10# to get to the top of the tree.
11
12THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
13TOP := $(patsubst %/py/mkenv.mk,%,$(THIS_MAKEFILE))
14
15# Turn on increased build verbosity by defining BUILD_VERBOSE in your main
16# Makefile or in your environment. You can also use V=1 on the make command
17# line.
18
19ifeq ("$(origin V)", "command line")
20BUILD_VERBOSE=$(V)
21endif
22ifndef BUILD_VERBOSE
23$(info Use make V=1 or set BUILD_VERBOSE in your environment to increase build verbosity.)
24BUILD_VERBOSE = 0
25endif
26ifeq ($(BUILD_VERBOSE),0)
27Q = @
28else
29Q =
30endif
31
32# default settings; can be overridden in main Makefile
33
34PY_SRC ?= $(TOP)/py
35BUILD ?= build
36
37RM = rm
38ECHO = @echo
39CP = cp
40MKDIR = mkdir
41SED = sed
42CAT = cat
43TOUCH = touch
44PYTHON = python3
45
46AS = $(CROSS_COMPILE)as
47CC = $(CROSS_COMPILE)gcc
48CXX = $(CROSS_COMPILE)g++
49GDB = $(CROSS_COMPILE)gdb
50LD = $(CROSS_COMPILE)ld
51OBJCOPY = $(CROSS_COMPILE)objcopy
52SIZE = $(CROSS_COMPILE)size
53STRIP = $(CROSS_COMPILE)strip
54AR = $(CROSS_COMPILE)ar
55
56MAKE_MANIFEST = $(PYTHON) $(TOP)/tools/makemanifest.py
57MAKE_FROZEN = $(PYTHON) $(TOP)/tools/make-frozen.py
58MPY_TOOL = $(PYTHON) $(TOP)/tools/mpy-tool.py
59
60MPY_LIB_DIR = $(TOP)/../micropython-lib
61
62ifeq ($(MICROPY_MPYCROSS),)
63MICROPY_MPYCROSS = $(TOP)/mpy-cross/mpy-cross
64MICROPY_MPYCROSS_DEPENDENCY = $(MICROPY_MPYCROSS)
65endif
66
67all:
68.PHONY: all
69
70.DELETE_ON_ERROR:
71
72MKENV_INCLUDED = 1
73