GCC makefile: allow overriding and provide more flexibility

- older GCC and additional platforms
 - `NO_EXAMPLES` to exclude building .o files
 - add FIPS optional
This commit is contained in:
Elms
2021-09-10 14:45:23 -07:00
parent 79787eaaa4
commit 23f4aadf27

View File

@ -6,37 +6,39 @@ BUILD_DIR = ./Build
# Toolchain location and prefix
#TOOLCHAIN =
TOOLCHAIN = /opt/gcc-arm-none-eabi/bin/arm-none-eabi-
TOOLCHAIN ?= /opt/gcc-arm-none-eabi/bin/arm-none-eabi-
# Tools selection
CC = $(TOOLCHAIN)gcc
AS = $(TOOLCHAIN)gcc
LD = $(TOOLCHAIN)gcc
AS = $(CC)
LD = $(CC)
AR = $(TOOLCHAIN)ar
NM = $(TOOLCHAIN)nm
OBJCOPY = $(TOOLCHAIN)objcopy
OBJDUMP = $(TOOLCHAIN)objdump
SIZE = $(TOOLCHAIN)size
OBJCOPY ?= $(TOOLCHAIN)objcopy
OBJDUMP ?= $(TOOLCHAIN)objdump
SIZE ?= $(TOOLCHAIN)size
# Includes
INC = -I./Header \
-I./Source \
-I../..
USER_SETTINGS_DIR ?= ./Header
INC = -I$(USER_SETTINGS_DIR) \
-I../..
# Defines
DEF = -DWOLFSSL_USER_SETTINGS
# Architecture
ARCHFLAGS = -mcpu=cortex-m4 -mthumb -mabi=aapcs -DUSE_WOLF_ARM_STARTUP
ARCHFLAGS ?= -mcpu=cortex-m4 -mthumb -mabi=aapcs -DUSE_WOLF_ARM_STARTUP
#ARCHFLAGS = -mcpu=cortex-m0 -mthumb -mabi=aapcs -DUSE_WOLF_ARM_STARTUP
#ARCHFLAGS = -mcpu=cortex-r5 -mthumb -mabi=aapcs
#ARCHFLAGS = -mcpu=cortex-a53 -mthumb -mabi=aapcs
# Compiler and linker flags
ASFLAGS = $(ARCHFLAGS)
CFLAGS = $(ARCHFLAGS) -std=gnu99 -Wall -Wno-cpp
LDFLAGS = $(ARCHFLAGS)
ASFLAGS ?= $(ARCHFLAGS)
CFLAGS_EXTRA ?= -Wno-cpp
CFLAGS ?= $(ARCHFLAGS) -std=gnu99 -Wall $(CFLAGS_EXTRA)
LDFLAGS ?= $(ARCHFLAGS)
FIPS?=1
# LD: Link with nosys
LDFLAGS += --specs=nosys.specs
@ -70,10 +72,12 @@ LDFLAGS += $(DBGFLAGS)
# FILES
# Port and Test/Benchmark
ifndef NO_EXAMPLES
SRC_C += ./Source/wolf_main.c
SRC_C += ./Source/armtarget.c
SRC_C += ../../wolfcrypt/test/test.c
SRC_C += ../../wolfcrypt/benchmark/benchmark.c
endif
# WOLFSSL TLS FILES
SRC_C += ../../src/crl.c
@ -87,7 +91,9 @@ SRC_C += ../../src/tls13.c
SRC_C += ../../src/wolfio.c
# wolfCrypt Core (FIPS)
ifeq "$(FIPS)" "1"
SRC_C += ../../wolfcrypt/src/wolfcrypt_first.c
endif
SRC_C += ../../wolfcrypt/src/aes.c
SRC_C += ../../wolfcrypt/src/cmac.c
SRC_C += ../../wolfcrypt/src/des3.c
@ -100,9 +106,11 @@ SRC_C += ../../wolfcrypt/src/sha.c
SRC_C += ../../wolfcrypt/src/sha256.c
SRC_C += ../../wolfcrypt/src/sha512.c
SRC_C += ../../wolfcrypt/src/sha3.c
ifeq "$(FIPS)" "1"
SRC_C += ../../wolfcrypt/src/fips.c
SRC_C += ../../wolfcrypt/src/fips_test.c
SRC_C += ../../wolfcrypt/src/wolfcrypt_last.c
endif
# wolfCrypt Additional
SRC_C += ../../wolfcrypt/src/asn.c
@ -165,11 +173,11 @@ vpath %.c $(dir $(SRC_C))
build_hex: $(BUILD_DIR) $(BUILD_DIR)/$(BIN).hex
@echo ""
$(CMD_ECHO) @$(SIZE) $(BUILD_DIR)/$(BIN).elf
$(CMD_ECHO) $(SIZE) $(BUILD_DIR)/$(BIN).elf
build_static: $(BUILD_DIR) $(BUILD_DIR)/$(BIN).a
@echo ""
$(CMD_ECHO) @$(SIZE) $(BUILD_DIR)/$(BIN).a
$(CMD_ECHO) $(SIZE) $(BUILD_DIR)/$(BIN).a
$(BUILD_DIR):
$(CMD_ECHO) mkdir -p $(BUILD_DIR)