PythonExtra/py/mkrules.mk
Daniel Jour 47c84286e8 all: Fix paths to mpy-cross and micropython binaries.
Binaries built using the Make build system now no longer appear in the
working directory of the build, but rather in the build directory.  Thus
some paths had to be adjusted.
2022-08-11 13:31:13 +10:00

255 lines
9.2 KiB
Makefile

ifneq ($(MKENV_INCLUDED),1)
# We assume that mkenv is in the same directory as this file.
THIS_MAKEFILE = $(lastword $(MAKEFILE_LIST))
include $(dir $(THIS_MAKEFILE))mkenv.mk
endif
# Extra deps that need to happen before object compilation.
OBJ_EXTRA_ORDER_DEPS =
# Generate header files.
OBJ_EXTRA_ORDER_DEPS += $(HEADER_BUILD)/moduledefs.h $(HEADER_BUILD)/root_pointers.h
ifeq ($(MICROPY_ROM_TEXT_COMPRESSION),1)
# If compression is enabled, trigger the build of compressed.data.h...
OBJ_EXTRA_ORDER_DEPS += $(HEADER_BUILD)/compressed.data.h
# ...and enable the MP_COMPRESSED_ROM_TEXT macro (used by MP_ERROR_TEXT).
CFLAGS += -DMICROPY_ROM_TEXT_COMPRESSION=1
endif
# QSTR generation uses the same CFLAGS, with these modifications.
QSTR_GEN_FLAGS = -DNO_QSTR
# Note: := to force evalulation immediately.
QSTR_GEN_CFLAGS := $(CFLAGS)
QSTR_GEN_CFLAGS += $(QSTR_GEN_FLAGS)
QSTR_GEN_CXXFLAGS := $(CXXFLAGS)
QSTR_GEN_CXXFLAGS += $(QSTR_GEN_FLAGS)
# This file expects that OBJ contains a list of all of the object files.
# The directory portion of each object file is used to locate the source
# and should not contain any ..'s but rather be relative to the top of the
# tree.
#
# So for example, py/map.c would have an object file name py/map.o
# The object files will go into the build directory and mantain the same
# directory structure as the source tree. So the final dependency will look
# like this:
#
# build/py/map.o: py/map.c
#
# We set vpath to point to the top of the tree so that the source files
# can be located. By following this scheme, it allows a single build rule
# to be used to compile all .c files.
vpath %.S . $(TOP) $(USER_C_MODULES)
$(BUILD)/%.o: %.S
$(ECHO) "CC $<"
$(Q)$(CC) $(CFLAGS) -c -o $@ $<
vpath %.s . $(TOP) $(USER_C_MODULES)
$(BUILD)/%.o: %.s
$(ECHO) "AS $<"
$(Q)$(AS) -o $@ $<
define compile_c
$(ECHO) "CC $<"
$(Q)$(CC) $(CFLAGS) -c -MD -o $@ $<
@# The following fixes the dependency file.
@# See http://make.paulandlesley.org/autodep.html for details.
@# Regex adjusted from the above to play better with Windows paths, etc.
@$(CP) $(@:.o=.d) $(@:.o=.P); \
$(SED) -e 's/#.*//' -e 's/^.*: *//' -e 's/ *\\$$//' \
-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.d) >> $(@:.o=.P); \
$(RM) -f $(@:.o=.d)
endef
define compile_cxx
$(ECHO) "CXX $<"
$(Q)$(CXX) $(CXXFLAGS) -c -MD -o $@ $<
@# The following fixes the dependency file.
@# See http://make.paulandlesley.org/autodep.html for details.
@# Regex adjusted from the above to play better with Windows paths, etc.
@$(CP) $(@:.o=.d) $(@:.o=.P); \
$(SED) -e 's/#.*//' -e 's/^.*: *//' -e 's/ *\\$$//' \
-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.d) >> $(@:.o=.P); \
$(RM) -f $(@:.o=.d)
endef
vpath %.c . $(TOP) $(USER_C_MODULES)
$(BUILD)/%.o: %.c
$(call compile_c)
vpath %.cpp . $(TOP) $(USER_C_MODULES)
$(BUILD)/%.o: %.cpp
$(call compile_cxx)
$(BUILD)/%.pp: %.c
$(ECHO) "PreProcess $<"
$(Q)$(CPP) $(CFLAGS) -Wp,-C,-dD,-dI -o $@ $<
# The following rule uses | to create an order only prerequisite. Order only
# prerequisites only get built if they don't exist. They don't cause timestamp
# checking to be performed.
#
# We don't know which source files actually need the generated.h (since
# it is #included from str.h). The compiler generated dependencies will cause
# the right .o's to get recompiled if the generated.h file changes. Adding
# an order-only dependency to all of the .o's will cause the generated .h
# to get built before we try to compile any of them.
$(OBJ): | $(HEADER_BUILD)/qstrdefs.generated.h $(HEADER_BUILD)/mpversion.h $(OBJ_EXTRA_ORDER_DEPS)
# The logic for qstr regeneration (applied by makeqstrdefs.py) is:
# - if anything in QSTR_GLOBAL_DEPENDENCIES is newer, then process all source files ($^)
# - else, if list of newer prerequisites ($?) is not empty, then process just these ($?)
# - else, process all source files ($^) [this covers "make -B" which can set $? to empty]
# See more information about this process in docs/develop/qstr.rst.
$(HEADER_BUILD)/qstr.i.last: $(SRC_QSTR) $(QSTR_GLOBAL_DEPENDENCIES) | $(QSTR_GLOBAL_REQUIREMENTS)
$(ECHO) "GEN $@"
$(Q)$(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 $?
$(HEADER_BUILD)/qstr.split: $(HEADER_BUILD)/qstr.i.last
$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py split qstr $< $(HEADER_BUILD)/qstr _
$(Q)$(TOUCH) $@
$(QSTR_DEFS_COLLECTED): $(HEADER_BUILD)/qstr.split
$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py cat qstr _ $(HEADER_BUILD)/qstr $@
# Module definitions via MP_REGISTER_MODULE.
$(HEADER_BUILD)/moduledefs.split: $(HEADER_BUILD)/qstr.i.last
$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py split module $< $(HEADER_BUILD)/module _
$(Q)$(TOUCH) $@
$(HEADER_BUILD)/moduledefs.collected: $(HEADER_BUILD)/moduledefs.split
$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py cat module _ $(HEADER_BUILD)/module $@
# Module definitions via MP_REGISTER_ROOT_POINTER.
$(HEADER_BUILD)/root_pointers.split: $(HEADER_BUILD)/qstr.i.last
$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py split root_pointer $< $(HEADER_BUILD)/root_pointer _
$(Q)$(TOUCH) $@
$(HEADER_BUILD)/root_pointers.collected: $(HEADER_BUILD)/root_pointers.split
$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py cat root_pointer _ $(HEADER_BUILD)/root_pointer $@
# Compressed error strings.
$(HEADER_BUILD)/compressed.split: $(HEADER_BUILD)/qstr.i.last
$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py split compress $< $(HEADER_BUILD)/compress _
$(Q)$(TOUCH) $@
$(HEADER_BUILD)/compressed.collected: $(HEADER_BUILD)/compressed.split
$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makeqstrdefs.py cat compress _ $(HEADER_BUILD)/compress $@
# $(sort $(var)) removes duplicates
#
# The net effect of this, is it causes the objects to depend on the
# object directories (but only for existence), and the object directories
# will be created if they don't exist.
OBJ_DIRS = $(sort $(dir $(OBJ)))
$(OBJ): | $(OBJ_DIRS)
$(OBJ_DIRS):
$(MKDIR) -p $@
$(HEADER_BUILD):
$(MKDIR) -p $@
ifneq ($(MICROPY_MPYCROSS_DEPENDENCY),)
# to automatically build mpy-cross, if needed
$(MICROPY_MPYCROSS_DEPENDENCY):
$(MAKE) -C $(dir $@)..
endif
ifneq ($(FROZEN_DIR),)
$(error Support for FROZEN_DIR was removed. Please use manifest.py instead, see https://docs.micropython.org/en/latest/reference/manifest.html)
endif
ifneq ($(FROZEN_MPY_DIR),)
$(error Support for FROZEN_MPY_DIR was removed. Please use manifest.py instead, see https://docs.micropython.org/en/latest/reference/manifest.html)
endif
ifneq ($(FROZEN_MANIFEST),)
# If we're using the default submodule path for micropython-lib, then make
# sure it's included in "make submodules".
ifeq ($(MPY_LIB_DIR),$(MPY_LIB_SUBMODULE_DIR))
GIT_SUBMODULES += lib/micropython-lib
endif
# to build frozen_content.c from a manifest
$(BUILD)/frozen_content.c: FORCE $(BUILD)/genhdr/qstrdefs.generated.h $(BUILD)/genhdr/root_pointers.h | $(MICROPY_MPYCROSS_DEPENDENCY)
$(Q)test -e "$(MPY_LIB_DIR)/README.md" || (echo "Error: micropython-lib not initialized. Run 'make submodules'"; false)
$(Q)$(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)" $(FROZEN_MANIFEST)
endif
ifneq ($(PROG),)
# Build a standalone executable (unix does this)
# The executable should have an .exe extension for builds targetting 'pure'
# Windows, i.e. msvc or mingw builds, but not when using msys or cygwin's gcc.
COMPILER_TARGET := $(shell $(CC) -dumpmachine)
ifneq (,$(findstring mingw,$(COMPILER_TARGET)))
PROG := $(PROG).exe
endif
all: $(BUILD)/$(PROG)
$(BUILD)/$(PROG): $(OBJ)
$(ECHO) "LINK $@"
# Do not pass COPT here - it's *C* compiler optimizations. For example,
# we may want to compile using Thumb, but link with non-Thumb libc.
$(Q)$(CC) -o $@ $^ $(LIB) $(LDFLAGS)
ifndef DEBUG
$(Q)$(STRIP) $(STRIPFLAGS_EXTRA) $@
endif
$(Q)$(SIZE) $$(find $(BUILD) -path "$(BUILD)/build/frozen*.o") $@
clean: clean-prog
clean-prog:
$(RM) -f $(BUILD)/$(PROG)
$(RM) -f $(BUILD)/$(PROG).map
.PHONY: clean-prog
endif
submodules:
$(ECHO) "Updating submodules: $(GIT_SUBMODULES)"
ifneq ($(GIT_SUBMODULES),)
$(Q)git submodule sync $(addprefix $(TOP)/,$(GIT_SUBMODULES))
$(Q)git submodule update --init $(addprefix $(TOP)/,$(GIT_SUBMODULES))
endif
.PHONY: submodules
LIBMICROPYTHON = libmicropython.a
# We can execute extra commands after library creation using
# LIBMICROPYTHON_EXTRA_CMD. This may be needed e.g. to integrate
# with 3rd-party projects which don't have proper dependency
# tracking. Then LIBMICROPYTHON_EXTRA_CMD can e.g. touch some
# other file to cause needed effect, e.g. relinking with new lib.
lib $(BUILD)/$(LIBMICROPYTHON): $(OBJ)
$(Q)$(AR) rcs $(BUILD)/$(LIBMICROPYTHON) $^
$(LIBMICROPYTHON_EXTRA_CMD)
clean:
$(RM) -rf $(BUILD) $(CLEAN_EXTRA)
.PHONY: clean
print-cfg:
$(ECHO) "PY_SRC = $(PY_SRC)"
$(ECHO) "BUILD = $(BUILD)"
$(ECHO) "OBJ = $(OBJ)"
.PHONY: print-cfg
print-def:
@$(ECHO) "The following defines are built into the $(CC) compiler"
$(TOUCH) __empty__.c
@$(CC) -E -Wp,-dM __empty__.c
@$(RM) -f __empty__.c
-include $(OBJ:.o=.P)