96716b46e1
When CFLAGS_EXTRA/LDFLAGS_EXTRA (or anything) is set on the command line of a make invocation then it will completely override any setting or appending of these variables in the makefile(s). This means builds like the coverage variant will have their mpconfigvariant.mk settings overridden. Fix this by using CFLAGS/LDFLAGS exclusively in the makefile(s), reserving the CFLAGS_EXTRA/LDFLAGS_EXTRA variables for external command-line use only.
269 lines
8.2 KiB
Makefile
269 lines
8.2 KiB
Makefile
# Select the variant to build for.
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VARIANT ?= standard
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# If the build directory is not given, make it reflect the variant name.
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BUILD ?= build-$(VARIANT)
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VARIANT_DIR ?= variants/$(VARIANT)
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ifeq ($(wildcard $(VARIANT_DIR)/.),)
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$(error Invalid VARIANT specified: $(VARIANT_DIR))
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endif
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include ../../py/mkenv.mk
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-include mpconfigport.mk
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include $(VARIANT_DIR)/mpconfigvariant.mk
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# use FROZEN_MANIFEST for new projects, others are legacy
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FROZEN_MANIFEST ?= manifest.py
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FROZEN_DIR =
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FROZEN_MPY_DIR =
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# This should be configured by the mpconfigvariant.mk
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PROG ?= micropython
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# qstr definitions (must come before including py.mk)
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QSTR_DEFS = qstrdefsport.h
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QSTR_GLOBAL_DEPENDENCIES = $(VARIANT_DIR)/mpconfigvariant.h
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# OS name, for simple autoconfig
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UNAME_S := $(shell uname -s)
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# include py core make definitions
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include $(TOP)/py/py.mk
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GIT_SUBMODULES = lib/axtls lib/berkeley-db-1.xx lib/libffi
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INC += -I.
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INC += -I$(TOP)
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INC += -I$(BUILD)
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# compiler settings
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CWARN = -Wall -Werror
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CWARN += -Wpointer-arith -Wuninitialized
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CFLAGS += $(INC) $(CWARN) -std=gnu99 -DUNIX $(CFLAGS_MOD) $(COPT) -I$(VARIANT_DIR) $(CFLAGS_EXTRA)
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# Debugging/Optimization
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ifdef DEBUG
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CFLAGS += -g
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COPT = -O0
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else
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COPT = -Os -fdata-sections -ffunction-sections -DNDEBUG
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# _FORTIFY_SOURCE is a feature in gcc/glibc which is intended to provide extra
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# security for detecting buffer overflows. Some distros (Ubuntu at the very least)
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# have it enabled by default.
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#
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# gcc already optimizes some printf calls to call puts and/or putchar. When
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# _FORTIFY_SOURCE is enabled and compiling with -O1 or greater, then some
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# printf calls will also be optimized to call __printf_chk (in glibc). Any
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# printfs which get redirected to __printf_chk are then no longer synchronized
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# with printfs that go through mp_printf.
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#
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# In MicroPython, we don't want to use the runtime library's printf but rather
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# go through mp_printf, so that stdout is properly tied into streams, etc.
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# This means that we either need to turn off _FORTIFY_SOURCE or provide our
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# own implementation of __printf_chk. We've chosen to turn off _FORTIFY_SOURCE.
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# It should also be noted that the use of printf in MicroPython is typically
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# quite limited anyways (primarily for debug and some error reporting, etc
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# in the unix version).
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#
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# Information about _FORTIFY_SOURCE seems to be rather scarce. The best I could
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# find was this: https://securityblog.redhat.com/2014/03/26/fortify-and-you/
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# Original patchset was introduced by
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# https://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html .
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#
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# Turning off _FORTIFY_SOURCE is only required when compiling with -O1 or greater
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CFLAGS += -U _FORTIFY_SOURCE
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endif
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# On OSX, 'gcc' is a symlink to clang unless a real gcc is installed.
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# The unix port of MicroPython on OSX must be compiled with clang,
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# while cross-compile ports require gcc, so we test here for OSX and
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# if necessary override the value of 'CC' set in py/mkenv.mk
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ifeq ($(UNAME_S),Darwin)
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ifeq ($(MICROPY_FORCE_32BIT),1)
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CC = clang -m32
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else
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CC = clang
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endif
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# Use clang syntax for map file
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LDFLAGS_ARCH = -Wl,-map,$@.map -Wl,-dead_strip
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else
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# Use gcc syntax for map file
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LDFLAGS_ARCH = -Wl,-Map=$@.map,--cref -Wl,--gc-sections
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endif
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LDFLAGS += $(LDFLAGS_MOD) $(LDFLAGS_ARCH) -lm $(LDFLAGS_EXTRA)
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# Flags to link with pthread library
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LIBPTHREAD = -lpthread
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ifeq ($(MICROPY_FORCE_32BIT),1)
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# Note: you may need to install i386 versions of dependency packages,
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# starting with linux-libc-dev:i386
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ifeq ($(MICROPY_PY_FFI),1)
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ifeq ($(UNAME_S),Linux)
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CFLAGS_MOD += -I/usr/include/i686-linux-gnu
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endif
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endif
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endif
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ifeq ($(MICROPY_USE_READLINE),1)
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INC += -I$(TOP)/lib/mp-readline
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CFLAGS_MOD += -DMICROPY_USE_READLINE=1
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LIB_SRC_C_EXTRA += mp-readline/readline.c
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endif
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ifeq ($(MICROPY_PY_TERMIOS),1)
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CFLAGS_MOD += -DMICROPY_PY_TERMIOS=1
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SRC_MOD += modtermios.c
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endif
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ifeq ($(MICROPY_PY_SOCKET),1)
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CFLAGS_MOD += -DMICROPY_PY_SOCKET=1
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SRC_MOD += modusocket.c
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endif
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ifeq ($(MICROPY_PY_THREAD),1)
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CFLAGS_MOD += -DMICROPY_PY_THREAD=1 -DMICROPY_PY_THREAD_GIL=0
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LDFLAGS_MOD += $(LIBPTHREAD)
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endif
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ifeq ($(MICROPY_PY_FFI),1)
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ifeq ($(MICROPY_STANDALONE),1)
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LIBFFI_CFLAGS_MOD := -I$(shell ls -1d $(BUILD)/lib/libffi/out/lib/libffi-*/include)
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ifeq ($(MICROPY_FORCE_32BIT),1)
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LIBFFI_LDFLAGS_MOD = $(BUILD)/lib/libffi/out/lib32/libffi.a
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else
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LIBFFI_LDFLAGS_MOD = $(BUILD)/lib/libffi/out/lib/libffi.a
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endif
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else
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LIBFFI_CFLAGS_MOD := $(shell pkg-config --cflags libffi)
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LIBFFI_LDFLAGS_MOD := $(shell pkg-config --libs libffi)
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endif
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ifeq ($(UNAME_S),Linux)
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LIBFFI_LDFLAGS_MOD += -ldl
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endif
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CFLAGS_MOD += $(LIBFFI_CFLAGS_MOD) -DMICROPY_PY_FFI=1
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LDFLAGS_MOD += $(LIBFFI_LDFLAGS_MOD)
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SRC_MOD += modffi.c
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endif
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ifeq ($(MICROPY_PY_JNI),1)
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# Path for 64-bit OpenJDK, should be adjusted for other JDKs
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CFLAGS_MOD += -I/usr/lib/jvm/java-7-openjdk-amd64/include -DMICROPY_PY_JNI=1
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SRC_MOD += modjni.c
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endif
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# source files
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SRC_C = \
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main.c \
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gccollect.c \
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unix_mphal.c \
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mpthreadport.c \
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input.c \
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file.c \
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modmachine.c \
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modos.c \
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moduos_vfs.c \
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modtime.c \
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moduselect.c \
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alloc.c \
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coverage.c \
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fatfs_port.c \
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$(SRC_MOD) \
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$(wildcard $(VARIANT_DIR)/*.c)
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LIB_SRC_C = $(addprefix lib/,\
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$(LIB_SRC_C_EXTRA) \
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timeutils/timeutils.c \
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)
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OBJ = $(PY_O)
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OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
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OBJ += $(addprefix $(BUILD)/, $(LIB_SRC_C:.c=.o))
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# List of sources for qstr extraction
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SRC_QSTR += $(SRC_C) $(LIB_SRC_C)
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# Append any auto-generated sources that are needed by sources listed in
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# SRC_QSTR
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SRC_QSTR_AUTO_DEPS +=
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ifneq ($(FROZEN_MANIFEST)$(FROZEN_MPY_DIR),)
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# To use frozen code create a manifest.py file with a description of files to
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# freeze, then invoke make with FROZEN_MANIFEST=manifest.py (be sure to build from scratch).
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CFLAGS += -DMICROPY_QSTR_EXTRA_POOL=mp_qstr_frozen_const_pool
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CFLAGS += -DMICROPY_MODULE_FROZEN_MPY
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CFLAGS += -DMPZ_DIG_SIZE=16 # force 16 bits to work on both 32 and 64 bit archs
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MPY_CROSS_FLAGS += -mcache-lookup-bc
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endif
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ifneq ($(FROZEN_MANIFEST)$(FROZEN_DIR),)
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CFLAGS += -DMICROPY_MODULE_FROZEN_STR
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endif
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include $(TOP)/py/mkrules.mk
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.PHONY: test test_full
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test: $(PROG) $(TOP)/tests/run-tests
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$(eval DIRNAME=ports/$(notdir $(CURDIR)))
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cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(PROG) ./run-tests
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test_full: $(PROG) $(TOP)/tests/run-tests
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$(eval DIRNAME=ports/$(notdir $(CURDIR)))
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cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(PROG) ./run-tests
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cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(PROG) ./run-tests -d thread
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cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(PROG) ./run-tests --emit native
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cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(PROG) ./run-tests --via-mpy -d basics float micropython
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cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(PROG) ./run-tests --via-mpy --emit native -d basics float micropython
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cat $(TOP)/tests/basics/0prelim.py | ./$(PROG) | grep -q 'abc'
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test_gcov: test_full
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gcov -o $(BUILD)/py $(TOP)/py/*.c
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gcov -o $(BUILD)/extmod $(TOP)/extmod/*.c
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# Maintain historical targets from pre-variant configurations.
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fast:
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$(MAKE) VARIANT=fast
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minimal:
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$(MAKE) VARIANT=minimal
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nanbox:
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$(MAKE) VARIANT=nanbox
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freedos:
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$(MAKE) VARIANT=freedos
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coverage:
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$(MAKE) VARIANT=coverage
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coverage_test:
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$(MAKE) VARIANT=coverage test_gcov
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# Value of configure's --host= option (required for cross-compilation).
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# Deduce it from CROSS_COMPILE by default, but can be overridden.
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ifneq ($(CROSS_COMPILE),)
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CROSS_COMPILE_HOST = --host=$(patsubst %-,%,$(CROSS_COMPILE))
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else
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CROSS_COMPILE_HOST =
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endif
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deplibs: libffi axtls
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libffi: $(BUILD)/lib/libffi/include/ffi.h
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$(TOP)/lib/libffi/configure: $(TOP)/lib/libffi/autogen.sh
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cd $(TOP)/lib/libffi; ./autogen.sh
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# install-exec-recursive & install-data-am targets are used to avoid building
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# docs and depending on makeinfo
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$(BUILD)/lib/libffi/include/ffi.h: $(TOP)/lib/libffi/configure
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mkdir -p $(BUILD)/lib/libffi; cd $(BUILD)/lib/libffi; \
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$(abspath $(TOP))/lib/libffi/configure $(CROSS_COMPILE_HOST) --prefix=$$PWD/out --disable-structs CC="$(CC)" CXX="$(CXX)" LD="$(LD)" CFLAGS="-Os -fomit-frame-pointer -fstrict-aliasing -ffast-math -fno-exceptions"; \
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$(MAKE) install-exec-recursive; $(MAKE) -C include install-data-am
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axtls: $(TOP)/lib/axtls/README
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$(TOP)/lib/axtls/README:
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@echo "You cloned without --recursive, fetching submodules for you."
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(cd $(TOP); git submodule update --init --recursive)
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