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Upsilon/build/toolchain.arm-gcc.mak
2020-05-07 09:24:26 +02:00

33 lines
709 B
Makefile

CC = arm-none-eabi-gcc
CXX = arm-none-eabi-g++
LD = arm-none-eabi-gcc
GDB = arm-none-eabi-gdb
OBJCOPY = arm-none-eabi-objcopy
SIZE = arm-none-eabi-size
# Always generate debug information
SFLAGS += -ggdb3
# Put data/code symbols in their own subsection
# This allows the linker script to precisely place a given symbol
SFLAGS += -fdata-sections -ffunction-sections
ifeq ($(DEBUG),1)
LTO ?= 0
else
LTO ?= 1
endif
ifeq ($(LTO),1)
# Use link-time optimization if LTO=1
SFLAGS += -flto=auto
endif
# Get rid of unused symbols. This is also useful even if LTO=1.
LDFLAGS += -Wl,--gc-sections
LDFLAGS += $(SFLAGS) -lgcc -Wl,-T,$(LDSCRIPT)
# To debug linker scripts, add the following line
# LDFLAGS += -Wl,-M