96 lines
2.5 KiB
Makefile
96 lines
2.5 KiB
Makefile
ifneq ($(lastword a b),b)
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$(error These Makefiles require make 3.81 or newer)
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endif
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# Set TOP to be the path to get from the current directory (where make was
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# invoked) to the top of the tree. $(lastword $(MAKEFILE_LIST)) returns
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# the name of this makefile relative to where make was invoked.
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#
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# We assume that this file is in the py directory so we use $(dir ) twice
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# to get to the top of the tree.
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THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
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TOP := $(patsubst %/py/mkenv.mk,%,$(THIS_MAKEFILE))
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# Turn on increased build verbosity by defining BUILD_VERBOSE in your main
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# Makefile or in your environment. You can also use V="steps commands rules" or any combination thereof
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# on the make command line.
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ifeq ("$(origin V)", "command line")
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BUILD_VERBOSE=$(V)
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endif
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ifndef BUILD_VERBOSE
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$(info - Verbosity options: any combination of "steps commands rules", as `make V=...` or env var BUILD_VERBOSE)
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BUILD_VERBOSE = ""
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endif
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ifneq ($(filter steps,$(BUILD_VERBOSE)),)
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STEPECHO = @echo
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else
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STEPECHO = @:
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endif
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ifneq ($(filter commands,$(BUILD_VERBOSE)),)
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Q =
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else
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Q = @
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endif
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ifneq ($(filter rules,$(BUILD_VERBOSE)),)
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# This clever shell redefinition will print out the makefile line that is causing an action.
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# Note that -j can cause the order to be confusing.
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# https://www.cmcrossroads.com/article/tracing-rule-execution-gnu-make
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OLD_SHELL := $(SHELL)
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SHELL = $(warning BUILDING $@)$(OLD_SHELL)
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endif
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# default settings; can be overridden in main Makefile
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PY_SRC ?= $(TOP)/py
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BUILD ?= build
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ECHO = @echo
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CAT = cat
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CD = cd
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CP = cp
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FIND = find
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MKDIR = mkdir
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PYTHON = python3
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RM = rm
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RSYNC = rsync
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SED = sed
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TOUCH = touch
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# Linux has 'nproc', macOS has 'sysctl -n hw.logicalcpu', this is cross-platform
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NPROC = $(PYTHON) -c 'import multiprocessing as mp; print(mp.cpu_count())'
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AS = $(CROSS_COMPILE)as
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CC = $(CROSS_COMPILE)gcc
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CXX = $(CROSS_COMPILE)g++
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GDB = $(CROSS_COMPILE)gdb
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LD = $(CROSS_COMPILE)ld
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OBJCOPY = $(CROSS_COMPILE)objcopy
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SIZE = $(CROSS_COMPILE)size
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STRIP = $(CROSS_COMPILE)strip
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AR = $(CROSS_COMPILE)ar
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MAKE_MANIFEST = $(PYTHON) $(TOP)/tools/makemanifest.py
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MAKE_FROZEN = $(PYTHON) $(TOP)/tools/make-frozen.py
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MPY_TOOL = $(PYTHON) $(TOP)/tools/mpy-tool.py
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PREPROCESS_FROZEN_MODULES = PYTHONPATH=$(TOP)/tools/python-semver $(TOP)/tools/preprocess_frozen_modules.py
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MPY_LIB_DIR = $(TOP)/../micropython-lib
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ifeq ($(MICROPY_MPYCROSS),)
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MICROPY_MPYCROSS = $(TOP)/mpy-cross/mpy-cross
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MICROPY_MPYCROSS_DEPENDENCY = $(MICROPY_MPYCROSS)
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endif
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all:
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.PHONY: all
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.DELETE_ON_ERROR:
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MKENV_INCLUDED = 1
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