185 lines
5.4 KiB
Makefile
185 lines
5.4 KiB
Makefile
MPTOP = ../..
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-include mpconfigport.mk
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include $(MPTOP)/py/mkenv.mk
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all: lib
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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 $(MPTOP)/py/py.mk
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include $(MPTOP)/extmod/extmod.mk
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INC += -I.
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INC += -I..
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INC += -I$(MPTOP)
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INC += -I$(MPTOP)/ports/unix
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INC += -I$(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) $(CFLAGS_EXTRA)
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# Some systems (eg MacOS) need -fno-common so that mp_state_ctx is placed in the BSS.
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CFLAGS += -fno-common
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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 #-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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CC = clang
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# Use clang syntax for map file
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LDFLAGS_ARCH = -Wl,-map,$@.map
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else
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# Use gcc syntax for map file
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LDFLAGS_ARCH = -Wl,-Map=$@.map,--cref
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endif
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LDFLAGS += $(LDFLAGS_MOD) $(LDFLAGS_ARCH) -lm $(LDFLAGS_EXTRA)
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ifeq ($(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 ($(MICROPY_USE_READLINE),1)
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INC += -I$(MPTOP)/shared/readline
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CFLAGS_MOD += -DMICROPY_USE_READLINE=1
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SHARED_SRC_C_EXTRA += readline/readline.c
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endif
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ifeq ($(MICROPY_USE_READLINE),2)
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CFLAGS_MOD += -DMICROPY_USE_READLINE=2
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LDFLAGS_MOD += -lreadline
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# the following is needed for BSD
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#LDFLAGS_MOD += -ltermcap
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endif
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ifeq ($(MICROPY_PY_TIME),1)
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CFLAGS_MOD += -DMICROPY_PY_TIME=1
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SRC_MOD += modtime.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 += modsocket.c
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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 $(MPTOP)/lib/libffi/build_dir/out/lib/libffi-*/include)
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ifeq ($(MICROPY_FORCE_32BIT),1)
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LIBFFI_LDFLAGS_MOD = $(MPTOP)/lib/libffi/build_dir/out/lib32/libffi.a
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else
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LIBFFI_LDFLAGS_MOD = $(MPTOP)/lib/libffi/build_dir/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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MAIN_C = main.c
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# source files
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SRC_C = $(addprefix ports/unix/,\
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$(MAIN_C) \
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gccollect.c \
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unix_mphal.c \
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input.c \
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modmachine.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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)
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SHARED_SRC_C = $(addprefix shared/,\
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libc/printf.c \
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runtime/gchelper_generic.c \
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timeutils/timeutils.c \
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$(SHARED_SRC_C_EXTRA) \
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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)/, $(SHARED_SRC_C:.c=.o))
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# List of sources for qstr extraction
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SRC_QSTR += $(SRC_C) $(SHARED_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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include $(MPTOP)/py/mkrules.mk
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# Value of configure's --host= option (required for cross-compilation).
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# Deduce it from CROSS_COMPILE by default, but can be overridden.
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ifneq ($(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
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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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libffi:
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cd $(MPTOP)/lib/libffi; git clean -d -x -f
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cd $(MPTOP)/lib/libffi; ./autogen.sh
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mkdir -p $(MPTOP)/lib/libffi/build_dir; cd $(MPTOP)/lib/libffi/build_dir; \
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../configure $(CROSS_COMPILE_HOST) --prefix=$$PWD/out CC="$(CC)" CXX="$(CXX)" LD="$(LD)"; \
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make install-exec-recursive; make -C include install-data-am
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