mirror of
https://github.com/licsber/micropython.git
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08e0e065f4
Only include .c and .cpp files explicitly in the list of files passed to the preprocessor for QSTR extraction. All relevant .h files will be included in this process by "#include" from the .c(pp) files. In particular for moduledefs.h, this is included by py/objmodule.c (and doesn't actually contain any extractable MP_QSTR_xxx, but rather defines macros with MP_QSTR_xxx's in them which are then part of py/objmodule.c). The main reason for this change is to simplify the preprocessing step on the javascript port, which tries to compile .h files as C++ precompiled headers if they are passed with -E to clang. Signed-off-by: Damien George <damien@micropython.org>
257 lines
9.1 KiB
Makefile
257 lines
9.1 KiB
Makefile
ifneq ($(MKENV_INCLUDED),1)
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# We assume that mkenv is in the same directory as this file.
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THIS_MAKEFILE = $(lastword $(MAKEFILE_LIST))
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include $(dir $(THIS_MAKEFILE))mkenv.mk
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endif
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# Extra deps that need to happen before object compilation.
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OBJ_EXTRA_ORDER_DEPS =
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ifeq ($(MICROPY_ROM_TEXT_COMPRESSION),1)
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# If compression is enabled, trigger the build of compressed.data.h...
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OBJ_EXTRA_ORDER_DEPS += $(HEADER_BUILD)/compressed.data.h
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# ...and enable the MP_COMPRESSED_ROM_TEXT macro (used by MP_ERROR_TEXT).
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CFLAGS += -DMICROPY_ROM_TEXT_COMPRESSION=1
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endif
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# QSTR generation uses the same CFLAGS, with these modifications.
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QSTR_GEN_FLAGS = -DNO_QSTR
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# Note: := to force evalulation immediately.
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QSTR_GEN_CFLAGS := $(CFLAGS)
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QSTR_GEN_CFLAGS += $(QSTR_GEN_FLAGS)
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QSTR_GEN_CXXFLAGS := $(CXXFLAGS)
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QSTR_GEN_CXXFLAGS += $(QSTR_GEN_FLAGS)
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# This file expects that OBJ contains a list of all of the object files.
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# The directory portion of each object file is used to locate the source
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# and should not contain any ..'s but rather be relative to the top of the
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# tree.
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#
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# So for example, py/map.c would have an object file name py/map.o
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# The object files will go into the build directory and mantain the same
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# directory structure as the source tree. So the final dependency will look
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# like this:
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#
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# build/py/map.o: py/map.c
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#
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# We set vpath to point to the top of the tree so that the source files
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# can be located. By following this scheme, it allows a single build rule
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# to be used to compile all .c files.
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vpath %.S . $(TOP) $(USER_C_MODULES)
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$(BUILD)/%.o: %.S
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$(ECHO) "CC $<"
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$(Q)$(CC) $(CFLAGS) -c -o $@ $<
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vpath %.s . $(TOP) $(USER_C_MODULES)
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$(BUILD)/%.o: %.s
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$(ECHO) "AS $<"
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$(Q)$(AS) -o $@ $<
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define compile_c
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$(ECHO) "CC $<"
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$(Q)$(CC) $(CFLAGS) -c -MD -o $@ $<
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@# The following fixes the dependency file.
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@# See http://make.paulandlesley.org/autodep.html for details.
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@# Regex adjusted from the above to play better with Windows paths, etc.
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@$(CP) $(@:.o=.d) $(@:.o=.P); \
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$(SED) -e 's/#.*//' -e 's/^.*: *//' -e 's/ *\\$$//' \
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-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.d) >> $(@:.o=.P); \
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$(RM) -f $(@:.o=.d)
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endef
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define compile_cxx
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$(ECHO) "CXX $<"
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$(Q)$(CXX) $(CXXFLAGS) -c -MD -o $@ $<
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@# The following fixes the dependency file.
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@# See http://make.paulandlesley.org/autodep.html for details.
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@# Regex adjusted from the above to play better with Windows paths, etc.
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@$(CP) $(@:.o=.d) $(@:.o=.P); \
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$(SED) -e 's/#.*//' -e 's/^.*: *//' -e 's/ *\\$$//' \
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-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.d) >> $(@:.o=.P); \
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$(RM) -f $(@:.o=.d)
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endef
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vpath %.c . $(TOP) $(USER_C_MODULES)
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$(BUILD)/%.o: %.c
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$(call compile_c)
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vpath %.cpp . $(TOP) $(USER_C_MODULES)
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$(BUILD)/%.o: %.cpp
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$(call compile_cxx)
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$(BUILD)/%.pp: %.c
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$(ECHO) "PreProcess $<"
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$(Q)$(CPP) $(CFLAGS) -Wp,-C,-dD,-dI -o $@ $<
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# The following rule uses | to create an order only prerequisite. Order only
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# prerequisites only get built if they don't exist. They don't cause timestamp
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# checking to be performed.
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#
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# We don't know which source files actually need the generated.h (since
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# it is #included from str.h). The compiler generated dependencies will cause
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# the right .o's to get recompiled if the generated.h file changes. Adding
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# an order-only dependency to all of the .o's will cause the generated .h
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# to get built before we try to compile any of them.
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$(OBJ): | $(HEADER_BUILD)/qstrdefs.generated.h $(HEADER_BUILD)/mpversion.h $(OBJ_EXTRA_ORDER_DEPS)
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# The logic for qstr regeneration (applied by makeqstrdefs.py) is:
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# - if anything in QSTR_GLOBAL_DEPENDENCIES is newer, then process all source files ($^)
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# - else, if list of newer prerequisites ($?) is not empty, then process just these ($?)
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# - else, process all source files ($^) [this covers "make -B" which can set $? to empty]
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# See more information about this process in docs/develop/qstr.rst.
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$(HEADER_BUILD)/qstr.i.last: $(SRC_QSTR) $(QSTR_GLOBAL_DEPENDENCIES) $(HEADER_BUILD)/moduledefs.h | $(QSTR_GLOBAL_REQUIREMENTS)
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$(ECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py pp $(CPP) output $(HEADER_BUILD)/qstr.i.last cflags $(QSTR_GEN_CFLAGS) cxxflags $(QSTR_GEN_CXXFLAGS) sources $^ dependencies $(QSTR_GLOBAL_DEPENDENCIES) changed_sources $?
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$(HEADER_BUILD)/qstr.split: $(HEADER_BUILD)/qstr.i.last
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$(ECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py split qstr $< $(HEADER_BUILD)/qstr _
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$(Q)$(TOUCH) $@
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$(QSTR_DEFS_COLLECTED): $(HEADER_BUILD)/qstr.split
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$(ECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py cat qstr _ $(HEADER_BUILD)/qstr $@
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# Compressed error strings.
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$(HEADER_BUILD)/compressed.split: $(HEADER_BUILD)/qstr.i.last
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$(ECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py split compress $< $(HEADER_BUILD)/compress _
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$(Q)$(TOUCH) $@
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$(HEADER_BUILD)/compressed.collected: $(HEADER_BUILD)/compressed.split
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$(ECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py cat compress _ $(HEADER_BUILD)/compress $@
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# $(sort $(var)) removes duplicates
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#
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# The net effect of this, is it causes the objects to depend on the
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# object directories (but only for existence), and the object directories
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# will be created if they don't exist.
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OBJ_DIRS = $(sort $(dir $(OBJ)))
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$(OBJ): | $(OBJ_DIRS)
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$(OBJ_DIRS):
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$(MKDIR) -p $@
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$(HEADER_BUILD):
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$(MKDIR) -p $@
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ifneq ($(FROZEN_MANIFEST),)
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# to build frozen_content.c from a manifest
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$(BUILD)/frozen_content.c: FORCE $(BUILD)/genhdr/qstrdefs.generated.h
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$(Q)$(MAKE_MANIFEST) -o $@ -v "MPY_DIR=$(TOP)" -v "MPY_LIB_DIR=$(MPY_LIB_DIR)" -v "PORT_DIR=$(shell pwd)" -v "BOARD_DIR=$(BOARD_DIR)" -b "$(BUILD)" $(if $(MPY_CROSS_FLAGS),-f"$(MPY_CROSS_FLAGS)",) $(FROZEN_MANIFEST)
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ifneq ($(FROZEN_DIR),)
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$(error FROZEN_DIR cannot be used in conjunction with FROZEN_MANIFEST)
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endif
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ifneq ($(FROZEN_MPY_DIR),)
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$(error FROZEN_MPY_DIR cannot be used in conjunction with FROZEN_MANIFEST)
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endif
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endif
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ifneq ($(FROZEN_DIR),)
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$(info Warning: FROZEN_DIR is deprecated in favour of FROZEN_MANIFEST)
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$(BUILD)/frozen.c: $(wildcard $(FROZEN_DIR)/*) $(HEADER_BUILD) $(FROZEN_EXTRA_DEPS)
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$(ECHO) "GEN $@"
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$(Q)$(MAKE_FROZEN) $(FROZEN_DIR) > $@
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endif
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ifneq ($(FROZEN_MPY_DIR),)
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$(info Warning: FROZEN_MPY_DIR is deprecated in favour of FROZEN_MANIFEST)
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# make a list of all the .py files that need compiling and freezing
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FROZEN_MPY_PY_FILES := $(shell find -L $(FROZEN_MPY_DIR) -type f -name '*.py' | $(SED) -e 's=^$(FROZEN_MPY_DIR)/==')
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FROZEN_MPY_MPY_FILES := $(addprefix $(BUILD)/frozen_mpy/,$(FROZEN_MPY_PY_FILES:.py=.mpy))
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# to build .mpy files from .py files
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$(BUILD)/frozen_mpy/%.mpy: $(FROZEN_MPY_DIR)/%.py
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@$(ECHO) "MPY $<"
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$(Q)$(MKDIR) -p $(dir $@)
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$(Q)$(MPY_CROSS) -o $@ -s $(<:$(FROZEN_MPY_DIR)/%=%) $(MPY_CROSS_FLAGS) $<
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# to build frozen_mpy.c from all .mpy files
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$(BUILD)/frozen_mpy.c: $(FROZEN_MPY_MPY_FILES) $(BUILD)/genhdr/qstrdefs.generated.h
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@$(ECHO) "GEN $@"
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$(Q)$(MPY_TOOL) -f -q $(BUILD)/genhdr/qstrdefs.preprocessed.h $(FROZEN_MPY_MPY_FILES) > $@
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endif
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ifneq ($(PROG),)
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# Build a standalone executable (unix does this)
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all: $(PROG)
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$(PROG): $(OBJ)
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$(ECHO) "LINK $@"
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# Do not pass COPT here - it's *C* compiler optimizations. For example,
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# we may want to compile using Thumb, but link with non-Thumb libc.
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$(Q)$(CC) -o $@ $^ $(LIB) $(LDFLAGS)
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ifndef DEBUG
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$(Q)$(STRIP) $(STRIPFLAGS_EXTRA) $(PROG)
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endif
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$(Q)$(SIZE) $$(find $(BUILD) -path "$(BUILD)/build/frozen*.o") $(PROG)
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clean: clean-prog
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clean-prog:
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$(RM) -f $(PROG)
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$(RM) -f $(PROG).map
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.PHONY: clean-prog
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endif
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submodules:
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$(ECHO) "Updating submodules: $(GIT_SUBMODULES)"
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ifneq ($(GIT_SUBMODULES),)
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$(Q)git submodule update --init $(addprefix $(TOP)/,$(GIT_SUBMODULES))
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endif
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.PHONY: submodules
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LIBMICROPYTHON = libmicropython.a
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# We can execute extra commands after library creation using
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# LIBMICROPYTHON_EXTRA_CMD. This may be needed e.g. to integrate
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# with 3rd-party projects which don't have proper dependency
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# tracking. Then LIBMICROPYTHON_EXTRA_CMD can e.g. touch some
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# other file to cause needed effect, e.g. relinking with new lib.
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lib $(LIBMICROPYTHON): $(OBJ)
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$(Q)$(AR) rcs $(LIBMICROPYTHON) $^
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$(LIBMICROPYTHON_EXTRA_CMD)
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clean:
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$(RM) -rf $(BUILD) $(CLEAN_EXTRA)
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.PHONY: clean
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# Clean every non-git file from FROZEN_DIR/FROZEN_MPY_DIR, but making a backup.
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# We run rmdir below to avoid empty backup dir (it will silently fail if backup
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# is non-empty).
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clean-frozen:
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if [ -n "$(FROZEN_MPY_DIR)" ]; then \
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backup_dir=$(FROZEN_MPY_DIR).$$(date +%Y%m%dT%H%M%S); mkdir $$backup_dir; \
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cd $(FROZEN_MPY_DIR); git status --ignored -u all -s . | awk ' {print $$2}' \
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| xargs --no-run-if-empty cp --parents -t ../$$backup_dir; \
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rmdir ../$$backup_dir 2>/dev/null || true; \
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git clean -d -f .; \
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fi
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if [ -n "$(FROZEN_DIR)" ]; then \
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backup_dir=$(FROZEN_DIR).$$(date +%Y%m%dT%H%M%S); mkdir $$backup_dir; \
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cd $(FROZEN_DIR); git status --ignored -u all -s . | awk ' {print $$2}' \
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| xargs --no-run-if-empty cp --parents -t ../$$backup_dir; \
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rmdir ../$$backup_dir 2>/dev/null || true; \
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git clean -d -f .; \
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fi
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.PHONY: clean-frozen
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print-cfg:
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$(ECHO) "PY_SRC = $(PY_SRC)"
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$(ECHO) "BUILD = $(BUILD)"
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$(ECHO) "OBJ = $(OBJ)"
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.PHONY: print-cfg
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print-def:
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@$(ECHO) "The following defines are built into the $(CC) compiler"
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$(TOUCH) __empty__.c
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@$(CC) -E -Wp,-dM __empty__.c
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@$(RM) -f __empty__.c
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-include $(OBJ:.o=.P)
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