82 lines
1.8 KiB
Makefile
82 lines
1.8 KiB
Makefile
# makefile for arm gcc toolchain
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CC = $(CROSS_COMPILE)gcc
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CXX = $(CROSS_COMPILE)g++
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AS = $(CC) -x assembler-with-cpp
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LD = $(CC)
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GDB = $(CROSS_COMPILE)gdb
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OBJCOPY = $(CROSS_COMPILE)objcopy
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SIZE = $(CROSS_COMPILE)size
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CC_VERSION := $(shell $(CC) -dumpversion)
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CC_VERSION_MAJOR = $(firstword $(subst ., ,$(CC_VERSION)))
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# ---------------------------------------
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# Compiler Flags
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# ---------------------------------------
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CFLAGS += \
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-MD \
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-ggdb \
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-fdata-sections \
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-ffunction-sections \
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-fsingle-precision-constant \
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-fno-strict-aliasing \
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-Wall \
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-Wextra \
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-Werror \
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-Wfatal-errors \
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-Wdouble-promotion \
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-Wstrict-prototypes \
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-Wstrict-overflow \
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-Werror-implicit-function-declaration \
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-Wfloat-equal \
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-Wundef \
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-Wshadow \
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-Wwrite-strings \
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-Wsign-compare \
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-Wmissing-format-attribute \
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-Wunreachable-code \
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-Wcast-align \
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-Wcast-function-type \
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-Wcast-qual \
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-Wnull-dereference \
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-Wuninitialized \
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-Wunused \
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-Wreturn-type \
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-Wredundant-decls \
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# conversion is too strict for most mcu driver, may be disable sign/int/arith-conversion
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# -Wconversion
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# Size Optimization as default
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CFLAGS_OPTIMIZED ?= -Os
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# Debugging/Optimization
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ifeq ($(DEBUG), 1)
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CFLAGS += -O0
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NO_LTO = 1
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else
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CFLAGS += $(CFLAGS_OPTIMIZED)
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endif
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# ---------------------------------------
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# Linker Flags
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# ---------------------------------------
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LDFLAGS += \
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-Wl,-Map=$@.map \
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-Wl,-cref \
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-Wl,-gc-sections \
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# renesas rx does not support --print-memory-usage flags
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ifneq ($(FAMILY),rx)
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LDFLAGS += -Wl,--print-memory-usage
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endif
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# from version 12
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ifeq ($(strip $(if $(CMDEXE),\
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$(shell if $(CC_VERSION_MAJOR) geq 12 (echo 1) else (echo 0)),\
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$(shell expr $(CC_VERSION_MAJOR) \>= 12))), 1)
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LDFLAGS += -Wl,--no-warn-rwx-segment
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endif
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