fcda6a2a78
With this patch one can now do "make FROZEN_MPY_DIR=../../frozen" to specify a directory containing scripts to be frozen (as well as absolute paths). The compiled .mpy files are now stored in $(BUILD)/frozen_mpy/.
170 lines
5.3 KiB
Makefile
170 lines
5.3 KiB
Makefile
ifneq ($(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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# 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 . $(TOP)
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$(BUILD)/%.o: %.S
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$(ECHO) "CC $<"
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$(Q)$(CC) $(CFLAGS) -c -o $@ $<
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vpath %.s . $(TOP)
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$(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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vpath %.c . $(TOP)
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$(BUILD)/%.o: %.c
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$(call compile_c)
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# List all native flags since the current build system doesn't have
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# the micropython configuration available. However, these flags are
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# needed to extract all qstrings
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QSTR_GEN_EXTRA_CFLAGS += -DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB -DN_ARM
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QSTR_GEN_EXTRA_CFLAGS += -I$(BUILD)/tmp
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vpath %.c . $(TOP)
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$(BUILD)/%.pp: %.c
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$(ECHO) "PreProcess $<"
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$(Q)$(CC) $(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.generated.h $(HEADER_BUILD)/mpversion.h
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$(HEADER_BUILD)/qstr.i.last: $(SRC_QSTR) | $(HEADER_BUILD)/mpversion.h
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$(ECHO) "GEN $@"
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$(Q)if [ "$?" = "" ]; then \
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echo "QSTR Looks like -B used, trying to emulate"; \
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$(CPP) $(QSTR_GEN_EXTRA_CFLAGS) $(CFLAGS) $^ >$(HEADER_BUILD)/qstr.i.last; \
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else \
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$(CPP) $(QSTR_GEN_EXTRA_CFLAGS) $(CFLAGS) $? >$(HEADER_BUILD)/qstr.i.last; \
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fi
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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 $(HEADER_BUILD)/qstr.i.last $(HEADER_BUILD)/qstr $(QSTR_DEFS_COLLECTED)
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$(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 $(HEADER_BUILD)/qstr.i.last $(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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$(MKDIR) -p $@
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$(HEADER_BUILD):
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$(MKDIR) -p $@
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ifneq ($(FROZEN_DIR),)
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$(BUILD)/frozen.c: $(wildcard $(FROZEN_DIR)/*) $(HEADER_BUILD) $(FROZEN_EXTRA_DEPS)
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$(ECHO) "Generating $@"
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$(Q)$(MAKE_FROZEN) $(FROZEN_DIR) > $@
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endif
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ifneq ($(FROZEN_MPY_DIR),)
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# 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' -printf '%P\n')
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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)/%=%) $^
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# to build frozen_mpy.c from all .mpy files
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$(BUILD)/frozen_mpy.c: $(FROZEN_MPY_MPY_FILES) $(BUILD)/genhdr/qstrdefs.generated.h
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@$(ECHO) "Creating $@"
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$(Q)$(PYTHON) $(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) $(PROG)
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clean: clean-prog
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clean-prog:
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$(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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LIBMICROPYTHON = libmicropython.a
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lib $(LIBMICROPYTHON): $(OBJ)
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$(AR) rcs $(LIBMICROPYTHON) $^
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clean:
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$(RM) -rf $(BUILD) $(CLEAN_EXTRA)
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.PHONY: clean
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print-cfg:
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$(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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