157 lines
5.9 KiB
Makefile
157 lines
5.9 KiB
Makefile
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# -*- makefile -*-
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# Copyright 2012 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Toolchain configuration build system
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#
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# Toolchain configuration
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min_make_version:=3.82
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make_version_ok:=$(filter $(min_make_version), \
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$(firstword $(sort $(MAKE_VERSION) $(min_make_version))))
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ifeq ($(make_version_ok),)
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$(error ERROR: GNU make version $(min_make_version) or higher required.)
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endif
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# Default to clang if TEST_ASAN is enabled
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ifneq ($(TEST_FUZZ)$(TEST_ASAN)$(TEST_MSAN)$(TEST_UBSAN),)
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CC=clang
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endif
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# Extract cc-name
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cc-name:=$(shell $(CC) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc)
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# Try not to assume too much about optional tools and prefixes
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CCACHE:=$(shell which ccache 2>/dev/null)
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ifeq ($(origin HOST_CROSS_COMPILE),undefined)
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HOST_CROSS_COMPILE:=$(if $(shell which x86_64-pc-linux-gnu-gcc 2>/dev/null),x86_64-pc-linux-gnu-,)
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endif
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AR=$(CROSS_COMPILE)ar
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CC=$(CCACHE) $(CROSS_COMPILE)$(cc-name)
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CPP=$(CC) -E
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CXX=$(CROSS_COMPILE)clang++
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LD=$(CROSS_COMPILE)ld
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NM=$(CROSS_COMPILE)nm
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OBJCOPY=$(CROSS_COMPILE)objcopy
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OBJDUMP=$(CROSS_COMPILE)objdump
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ADDR2LINE=$(CROSS_COMPILE)addr2line
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PKG_CONFIG?=pkg-config
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BUILDCC?=$(CCACHE) gcc
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HOSTCC?=$(CCACHE) $(HOST_CROSS_COMPILE)gcc
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HOSTCXX?=$(CCACHE) $(HOST_CROSS_COMPILE)g++
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PROTOC?=protoc
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C_WARN = -Wstrict-prototypes -Wdeclaration-after-statement -Wno-pointer-sign
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COMMON_WARN = -Wall -Wundef -Werror -Werror-implicit-function-declaration \
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-Wno-trigraphs -Wno-format-security -Wno-address-of-packed-member \
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-fno-common -fno-strict-aliasing -fno-strict-overflow
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UBSAN_FLAGS=-fsanitize=array-bounds,vla-bound \
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-fno-sanitize=vptr \
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-fno-sanitize-recover=all
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CFLAGS_WARN = $(COMMON_WARN) $(C_WARN)
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CXXFLAGS_WARN = $(COMMON_WARN)
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CFLAGS_DEBUG= -g
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CFLAGS_DEBUG+=$(CFLAGS_DEBUG_CHIP)
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CFLAGS_INCLUDE=$(foreach i,$(includes),-I$(i) ) -I.
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CFLAGS_TEST=$(if $(TEST_BUILD),-DTEST_BUILD=$(EMPTY) \
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-DTEST_TASKFILE=$(PROJECT).tasklist,) \
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$(if $(CTS_MODULE), $(CFLAGS_CTS)) \
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$(if $(EMU_BUILD),-DEMU_BUILD=$(EMPTY)) \
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$(if $($(PROJECT)-scale),-DTEST_TIME_SCALE=$($(PROJECT)-scale)) \
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-DTEST_$(PROJECT)=$(EMPTY) -DTEST_$(UC_PROJECT)=$(EMPTY) \
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$(if $(TEST_ASAN),-fsanitize=address) \
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$(if $(TEST_MSAN),-fsanitize=memory) \
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$(if $(TEST_UBSAN),$(UBSAN_FLAGS)) \
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$(if $(TEST_FUZZ),-fsanitize=fuzzer-no-link \
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-fno-experimental-new-pass-manager -DTEST_FUZZ=$(EMPTY))
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CFLAGS_COVERAGE=$(if $(TEST_COVERAGE),-fprofile-arcs -ftest-coverage \
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-DTEST_COVERAGE=$(EMPTY),)
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CFLAGS_DEFINE=-DOUTDIR=$(out)/$(BLD) -DCHIP=$(CHIP) -DBOARD_TASKFILE=$(_tsk_lst_file) \
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-DBOARD=$(BOARD) -DCORE=$(CORE) -DPROJECT=$(PROJECT) \
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-DCHIP_VARIANT=$(CHIP_VARIANT) -DCHIP_FAMILY=$(CHIP_FAMILY) \
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-DBOARD_$(UC_BOARD)=$(EMPTY) \
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-DCHIP_$(UC_CHIP)=$(EMPTY) \
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-DCORE_$(UC_CORE)=$(EMPTY) \
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-DCHIP_VARIANT_$(UC_CHIP_VARIANT)=$(EMPTY) \
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-DCHIP_FAMILY_$(UC_CHIP_FAMILY)=$(EMPTY) \
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-DFINAL_OUTDIR=$(out) \
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-DPROTOBUF_MIN_PROTOC_VERSION=0 \
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$(CFLAGS_BASEBOARD)
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CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
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$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
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-DSECTION_IS_$(BLD)=$(EMPTY) -DSECTION=$(BLD) $(CPPFLAGS_$(BLD))
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BUILD_CPPFLAGS=$(CFLAGS_DEFINE) -Icore/host $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
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$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
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-DSECTION_IS_$(BLD)=$(EMPTY) -DSECTION=$(BLD) $(CPPFLAGS_$(BLD))
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HOST_CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
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$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
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-DSECTION_IS_$(BLD)=$(EMPTY) -DSECTION=$(BLD) $(CPPFLAGS_$(BLD))
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ifneq ($(BOARD),host)
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CPPFLAGS+=-ffreestanding -fno-builtin -nostdinc -nostdlib
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CPPFLAGS+=-Ibuiltin/
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else
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CPPFLAGS+=-Og
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endif
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CPPFLAGS+= -DCHROMIUM_EC=$(EMPTY)
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CFLAGS=$(CPPFLAGS) $(CFLAGS_CPU) $(CFLAGS_DEBUG) $(COMMON_WARN) $(CFLAGS_y)
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CFLAGS+= -ffunction-sections -fshort-wchar
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CFLAGS+= -fno-delete-null-pointer-checks
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ifneq ($(cc-name),clang)
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CFLAGS+= -ffat-lto-objects
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CFLAGS+= -fconserve-stack
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endif
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CXXFLAGS+=-DPROTOBUF_INLINE_NOT_IN_HEADERS=0
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FTDIVERSION:=$(shell $(PKG_CONFIG) --modversion libftdi1 2>/dev/null)
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ifneq ($(FTDIVERSION),)
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LIBFTDI_NAME=ftdi1
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else
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LIBFTDI_NAME=ftdi
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endif
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LIBFTDIUSB_CFLAGS:=$(shell $(PKG_CONFIG) --cflags lib${LIBFTDI_NAME} libusb-1.0)
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LIBFTDIUSB_LDLIBS:=$(shell $(PKG_CONFIG) --libs lib${LIBFTDI_NAME} libusb-1.0)
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ifeq ($(TEST_FUZZ),y)
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LIBPROTOBUF_CFLAGS:=$(shell $(PKG_CONFIG) --cflags protobuf)
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LIBPROTOBUF_LDLIBS:=$(shell $(PKG_CONFIG) --libs protobuf)
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LIBPROTOBUF_MUTATOR_CFLAGS:=${LIBPROTOBUF_CFLAGS} \
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$(shell $(PKG_CONFIG) --cflags libprotobuf-mutator)
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LIBPROTOBUF_MUTATOR_LDLIBS:=$(shell $(PKG_CONFIG) --libs libprotobuf-mutator) \
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${LIBPROTOBUF_LDLIBS}
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endif
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BUILD_CFLAGS=$(LIBFTDIUSB_CFLAGS) $(BUILD_CPPFLAGS) -O3 $(CFLAGS_DEBUG)
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BUILD_CFLAGS+=$(CFLAGS_WARN)
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BUILD_CFLAGS+=-DCHROMIUM_EC=$(EMPTY)
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HOST_CFLAGS=$(HOST_CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN) \
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-DHOST_TOOLS_BUILD=$(EMPTY)
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HOST_CFLAGS+=$(LIBFTDIUSB_CFLAGS)
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HOST_CFLAGS+=-DCHROMIUM_EC=$(EMPTY)
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ifneq (${SYSROOT},)
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LDFLAGS_EXTRA+=--sysroot=${SYSROOT}
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endif
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LDFLAGS=-nostdlib -g -Wl,-X -Wl,--gc-sections -Wl,--build-id=none \
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$(LDFLAGS_EXTRA) $(CFLAGS_CPU)
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BUILD_LDFLAGS=$(LIBFTDIUSB_LDLIBS)
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HOST_LDFLAGS=$(LIBFTDIUSB_LDLIBS)
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HOST_TEST_LDFLAGS=-Wl,-T core/host/host_exe.lds -lrt -pthread -rdynamic -lm\
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-fuse-ld=bfd \
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$(if $(TEST_COVERAGE),-fprofile-arcs,) \
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$(if $(TEST_ASAN), -fsanitize=address) \
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$(if $(TEST_MSAN), -fsanitize=memory) \
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$(if $(TEST_UBSAN), ${UBSAN_FLAGS}) \
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$(if $(TEST_FUZZ), -fsanitize=fuzzer)
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# utility function to provide overridable defaults
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# $1: name of variable to set
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# $2: first default to use
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# $3: second default to use
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set-option = $(eval $1=$$(strip $$(if $(2),$(2),$(3))))
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