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mpy-cross: Do not automatically build mpy-cross, rather do it manually.

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Building mpy-cross automatically leads to some issues with the build
process and slows it down.  Instead, require it to be built manually.
This commit is contained in:
Damien George
2019-05-31 14:37:11 +10:00
parent 0a6c479187
commit 4173950658
3 changed files with 12 additions and 22 deletions
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6
py/mkrules.mk
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@@ -103,16 +103,12 @@ $(BUILD)/frozen.c: $(wildcard $(FROZEN_DIR)/*) $(HEADER_BUILD) $(FROZEN_EXTRA_DE
endif
ifneq ($(FROZEN_MPY_DIR),)
# to build the MicroPython cross compiler
$(TOP)/mpy-cross/mpy-cross: $(TOP)/py/*.[ch] $(TOP)/mpy-cross/*.[ch] $(TOP)/ports/windows/fmode.c
$(Q)$(MAKE) -C $(TOP)/mpy-cross
# make a list of all the .py files that need compiling and freezing
FROZEN_MPY_PY_FILES := $(shell find -L $(FROZEN_MPY_DIR) -type f -name '*.py' | $(SED) -e 's=^$(FROZEN_MPY_DIR)/==')
FROZEN_MPY_MPY_FILES := $(addprefix $(BUILD)/frozen_mpy/,$(FROZEN_MPY_PY_FILES:.py=.mpy))
# to build .mpy files from .py files
$(BUILD)/frozen_mpy/%.mpy: $(FROZEN_MPY_DIR)/%.py $(TOP)/mpy-cross/mpy-cross
$(BUILD)/frozen_mpy/%.mpy: $(FROZEN_MPY_DIR)/%.py
@$(ECHO) "MPY $<"
$(Q)$(MKDIR) -p $(dir $@)
$(Q)$(MPY_CROSS) -o $@ -s $(<:$(FROZEN_MPY_DIR)/%=%) $(MPY_CROSS_FLAGS) $<