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Tupfile
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Tupfile
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PROJECT := artoo
### uncomment to enable semihosting for debug
### disabled by default
# SEMIHOSTING := yes
###############################################################################
# executables
PREFIX := arm-none-eabi
CC := $(PREFIX)-gcc
CXX := $(PREFIX)-g++
LD := $(PREFIX)-gcc
AR := $(PREFIX)-ar
AS := $(PREFIX)-as
OBJCOPY := $(PREFIX)-objcopy
OBJDUMP := $(PREFIX)-objdump
###############################################################################
# C flags
CFLAGS += -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes
CFLAGS += -fno-common -ffunction-sections -fdata-sections -ffast-math
###############################################################################
# C++ flags
CXXFLAGS += -std=c++11
CXXFLAGS += -Wextra -Wshadow -Wredundant-decls -Weffc++
CXXFLAGS += -fno-common -ffunction-sections -fdata-sections -ffast-math
CXXFLAGS += -fno-exceptions -fno-threadsafe-statics -fno-rtti
###############################################################################
# C & C++ preprocessor common flags
CPPFLAGS += -Os -ggdb
CPPFLAGS += -Wall -Werror -Wundef
CPPFLAGS += -DMAVLINK_COMM_NUM_BUFFERS=1
ifeq ($(SEMIHOSTING),yes)
CPPFLAGS += -DSEMIHOSTING
endif
###############################################################################
# Linker flags
LDSCRIPT := src/ldscript.ld
LIB_DIR := .
LDFLAGS += --static --specs=nano.specs -nostartfiles -u _printf_float
ifeq ($(SEMIHOSTING),yes)
LDFLAGS += --specs=rdimon.specs
LIBS += -lrdimon
else
LIBS += -lnosys
endif
LDFLAGS += -L$(LIB_DIR)
LDFLAGS += -T$(LDSCRIPT)
LDFLAGS += -Wl,-Map=$(PROJECT).map,--cref,--gc-sections,-u,IVT
###############################################################################
# arch flags
ARCH_FLAGS = -mthumb -mcpu=cortex-m3 -msoft-float
###############################################################################
# Used libraries
LDLIBS += -Wl,--start-group -lc -lm -lgcc $(LIBS) -Wl,--end-group
###############################################################################
# Tasks
OBJDIR := obj
CPPSRCS := src/*.cpp src/stm32/*.cpp
# generate resources
: |> python tools/assetgen.py resources/assets.cfg src |> src/resources-gen.cpp src/resources-gen.h
# compile all cpp files
: foreach $(CPPSRCS) | src/resources-gen.h |> $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -c %f -o %o |> $(OBJDIR)/%B.o
# generate version string as well via tup trickery
# we pass source to GCC via stdin, then add the object file to our list of .o's to link
GIT_TAG := vers=`./git_describe_tag`
VERSION_SRC := "#include \"src/version.h\"\nconst char* Version::str() {return \"$vers\";}"
COMPILE_VERSION := $(GIT_TAG); echo $(VERSION_SRC) | $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -x c++ -c - -o $(OBJDIR)/version.o
# link binary
: $(OBJDIR)/*.o |> $(COMPILE_VERSION); $(LD) $(LDFLAGS) $(ARCH_FLAGS) %f $(LDLIBS) -o %o |> $(PROJECT).elf $(OBJDIR)/version.o | $(PROJECT).map
# create related binary formats
: $(PROJECT).elf |> $(OBJCOPY) -O ihex %f %o |> $(PROJECT).hex
: $(PROJECT).elf |> $(OBJCOPY) -O binary %f %o |> $(PROJECT).bin