260 lines
9.2 KiB
Makefile
260 lines
9.2 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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# 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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$(STEPECHO) "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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$(STEPECHO) "AS $<"
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$(Q)$(AS) -o $@ $<
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define compile_c
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$(STEPECHO) "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) $(DEVICES_MODULES)
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$(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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QSTR_GEN_EXTRA_CFLAGS += -DNO_QSTR -x c
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# frozen.c and frozen_mpy.c are created in $(BUILD), so use our rule
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# for those as well.
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vpath %.c . $(BUILD)
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$(BUILD)/%.o: %.c
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$(call compile_c)
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QSTR_GEN_EXTRA_CFLAGS += -I$(BUILD)/tmp
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vpath %.c . $(TOP) $(USER_C_MODULES) $(DEVICES_MODULES)
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$(BUILD)/%.pp: %.c
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$(STEPECHO) "PreProcess $<"
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$(Q)$(CPP) $(CFLAGS) -E -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.enum.h $(HEADER_BUILD)/mpversion.h
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# The logic for qstr regeneration (applied by makeqstrdefs.py) is:
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# - if anything in QSTR_GLOBAL_DEPENDENCIES is newer, then process all source files ($^)
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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 $? to empty]
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$(HEADER_BUILD)/qstr.split: $(SRC_QSTR) $(SRC_QSTR_PREPROCESSOR) $(QSTR_GLOBAL_DEPENDENCIES) $(HEADER_BUILD)/moduledefs.h | $(HEADER_BUILD)/mpversion.h $(PY_SRC)/genlast.py
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$(STEPECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/genlast.py $(HEADER_BUILD)/qstr $(if $(filter $?,$(QSTR_GLOBAL_DEPENDENCIES)),$^,$(if $?,$?,$^)) -- $(SRC_QSTR_PREPROCESSOR) -- $(CPP) $(QSTR_GEN_EXTRA_CFLAGS) $(CFLAGS)
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$(Q)$(TOUCH) $@
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$(QSTR_DEFS_COLLECTED): $(HEADER_BUILD)/qstr.split $(PY_SRC)/makeqstrdefs.py
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$(STEPECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py cat - $(HEADER_BUILD)/qstr $(QSTR_DEFS_COLLECTED)
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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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$(Q)$(MKDIR) -p $@
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$(HEADER_BUILD):
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$(Q)$(MKDIR) -p $@
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$(MKDIR) -p $@
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ifneq ($(MICROPY_MPYCROSS_DEPENDENCY),)
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# to automatically build mpy-cross, if needed
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$(MICROPY_MPYCROSS_DEPENDENCY):
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$(MAKE) -C $(dir $@)
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endif
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ifneq ($(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 | $(MICROPY_MPYCROSS_DEPENDENCY)
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$(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)",) --mpy-tool-flags="$(MPY_TOOL_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) $(FROZEN_EXTRA_DEPS)
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$(STEPECHO) "Generating $@"
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$(Q)$(MAKE_FROZEN) $(FROZEN_DIR) > $@
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endif
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ifneq ($(FROZEN_MPY_DIRS),)
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# Copy all the modules and single python files to freeze to a common area, omitting top-level dirs (the repo names).
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# Do any preprocessing necessary: currently, this adds version information, removes examples, and
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# non-library .py files in the modules (setup.py and conf.py)
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# Then compile .mpy files from all the .py files, placing them in the same directories as the .py files.
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$(BUILD)/frozen_mpy: $(FROZEN_MPY_DIRS)
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$(ECHO) FREEZE $(FROZEN_MPY_DIRS)
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$(Q)$(MKDIR) -p $@
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$(Q)$(PREPROCESS_FROZEN_MODULES) -o $@ $(FROZEN_MPY_DIRS)
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$(Q)$(CD) $@ && \
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$(FIND) -L . -type f -name '*.py' | sed 's=^\./==' | \
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xargs -n1 "$(abspath $(MICROPY_MPYCROSS_DEPENDENCY))" $(MPY_CROSS_FLAGS)
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# to build frozen_mpy.c from all .mpy files
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# You need to define MPY_TOOL_LONGINT_IMPL in mpconfigport.mk
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# if the default will not work (mpz is the default).
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$(BUILD)/frozen_mpy.c: $(BUILD)/frozen_mpy $(BUILD)/genhdr/qstrdefs.generated.h $(TOP)/tools/mpy-tool.py
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$(STEPECHO) "Creating $@"
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$(Q)$(MPY_TOOL) $(MPY_TOOL_LONGINT_IMPL) -f -q $(BUILD)/genhdr/qstrdefs.preprocessed.h $(shell $(FIND) -L $(BUILD)/frozen_mpy -type f -name '*.mpy') > $@
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endif
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ifneq ($(PROG),)
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# Build a standalone executable (unix does this)
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# The executable should have an .exe extension for builds targetting 'pure'
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# Windows, i.e. msvc or mingw builds, but not when using msys or cygwin's gcc.
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COMPILER_TARGET := $(shell $(CC) -dumpmachine)
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ifneq (,$(findstring mingw,$(COMPILER_TARGET)))
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PROG := $(PROG).exe
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endif
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all: $(PROG)
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$(PROG): $(OBJ)
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$(STEPECHO) "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) $(LDFLAGS)
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ifdef STRIP_CIRCUITPYTHON
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$(Q)$(STRIP) $(STRIPFLAGS_EXTRA) $@
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endif
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$(Q)$(SIZE) $$(find $(BUILD) -path "$(BUILD)/build/frozen*.o") $@
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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 sync $(addprefix $(TOP)/,$(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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tags:
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ctags -e -R $(TOP)
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-include $(OBJ:.o=.P)
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