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# Useful tools
CC := arm-none-eabi-gcc
CXX := arm-none-eabi-g++
LD := arm-none-eabi-ld -v
AR := arm-none-eabi-ar
AS := arm-none-eabi-gcc
OBJCOPY := arm-none-eabi-objcopy
DISAS := arm-none-eabi-objdump
OBJDUMP := arm-none-eabi-objdump
SIZE := arm-none-eabi-size
DFU := dfu-util
# Suppress annoying output unless V is set
ifndef V
SILENT_CC = @echo ' [CC] ' $(@:$(BUILD_PATH)/%.o=%.c);
SILENT_AS = @echo ' [AS] ' $(@:$(BUILD_PATH)/%.o=%.S);
SILENT_CXX = @echo ' [CXX] ' $(@:$(BUILD_PATH)/%.o=%.cpp);
SILENT_LD = @echo ' [LD] ' $(@F);
SILENT_AR = @echo ' [AR] '
SILENT_OBJCOPY = @echo ' [OBJCOPY] ' $(@F);
SILENT_DISAS = @echo ' [DISAS] ' $(@:$(BUILD_PATH)/%.bin=%).disas;
SILENT_OBJDUMP = @echo ' [OBJDUMP] ' $(OBJDUMP);
endif
# Extra build configuration
BUILDDIRS :=
TGT_BIN :=
CFLAGS = $(GLOBAL_CFLAGS) $(TGT_CFLAGS)
CXXFLAGS = $(GLOBAL_CXXFLAGS) $(TGT_CXXFLAGS)
ASFLAGS = $(GLOBAL_ASFLAGS) $(TGT_ASFLAGS)
# Hacks to determine extra libraries we need to link against based on
# the toolchain. The default specifies no extra libraries, but it can
# be overridden.
LD_TOOLCHAIN_PATH := $(LDDIR)/toolchains/generic
ifneq ($(findstring ARM/embedded,$(shell $(CC) --version)),)
# GCC ARM Embedded, https://launchpad.net/gcc-arm-embedded/
LD_TOOLCHAIN_PATH := $(LDDIR)/toolchains/gcc-arm-embedded
endif
ifneq ($(findstring Linaro GCC,$(shell $(CC) --version)),)
# Summon/Linaro GCC ARM Embedded, https://github.com/esden/summon-arm-toolchain
LD_TOOLCHAIN_PATH := $(LDDIR)/toolchains/gcc-arm-embedded
endif
# Add toolchain directory to LD search path
TOOLCHAIN_LDFLAGS := -L $(LD_TOOLCHAIN_PATH)
# General directory independent build rules, generate dependency information
$(BUILD_PATH)/%.o: %.c
$(SILENT_CC) $(CC) $(CFLAGS) -MMD -MP -MF $(@:%.o=%.d) -MT $@ -o $@ -c $<
$(BUILD_PATH)/%.o: %.cpp
$(SILENT_CXX) $(CXX) $(CFLAGS) $(CXXFLAGS) -MMD -MP -MF $(@:%.o=%.d) -MT $@ -o $@ -c $<
$(BUILD_PATH)/%.o: %.S
$(SILENT_AS) $(AS) $(ASFLAGS) -MMD -MP -MF $(@:%.o=%.d) -MT $@ -o $@ -c $<
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