1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
# -*- makefile -*-
# Copyright 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Toolchain configuration
#
# BUILD - Refers to the system doing the "build".
# For example, you would compile servo_ectool to run on your local
# build machine.
# HOST - Refers to target platform on top of the EC.
# For example, you would compile ectool to run on the Chrome OS device.
min_make_version:=3.82
make_version_ok:=$(filter $(min_make_version), \
$(firstword $(sort $(MAKE_VERSION) $(min_make_version))))
ifeq ($(make_version_ok),)
$(error ERROR: GNU make version $(min_make_version) or higher required.)
endif
# Default to clang if TEST_ASAN is enabled
ifneq ($(TEST_FUZZ)$(TEST_ASAN)$(TEST_MSAN)$(TEST_UBSAN),)
CC=clang
endif
# Extract cc-name
cc-name:=$(shell $(CC) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc)
# Try not to assume too much about optional tools and prefixes
CCACHE:=$(shell which ccache 2>/dev/null)
ifeq ($(origin HOST_CROSS_COMPILE),undefined)
HOST_CROSS_COMPILE:=$(if $(shell which x86_64-pc-linux-gnu-gcc 2>/dev/null),x86_64-pc-linux-gnu-,)
endif
AR=$(CROSS_COMPILE)ar
CC=$(CCACHE) $(CROSS_COMPILE)$(cc-name)
CPP=$(CC) -E
CXX=$(CROSS_COMPILE)clang++
LD=$(CROSS_COMPILE)ld
NM=$(CROSS_COMPILE)nm
OBJCOPY=$(CROSS_COMPILE)objcopy
OBJDUMP=$(CROSS_COMPILE)objdump
ADDR2LINE=$(CROSS_COMPILE)addr2line
PKG_CONFIG?=pkg-config
BUILDCC?=$(CCACHE) gcc
HOSTCC?=$(CCACHE) $(HOST_CROSS_COMPILE)gcc
HOSTCXX?=$(CCACHE) $(HOST_CROSS_COMPILE)clang++
HOST_PKG_CONFIG?=$(HOST_CROSS_COMPILE)pkg-config
PROTOC?=protoc
GCOV=$(CROSS_COMPILE)gcov
HOSTGCOV=$(CURDIR)/util/llvm-gcov.sh
C_WARN = -Wstrict-prototypes -Wdeclaration-after-statement -Wno-pointer-sign
COMMON_WARN = -Wall -Wundef -Werror -Werror-implicit-function-declaration \
-Wno-trigraphs -Wno-format-security -Wno-address-of-packed-member \
-fno-common -fno-strict-aliasing -fno-strict-overflow
ifeq ($(cc-name),clang)
COMMON_WARN+=-Werror=uninitialized
endif
ifeq ($(cc-name),gcc)
COMMON_WARN+=-Werror=maybe-uninitialized
endif
UBSAN_FLAGS=-fsanitize=array-bounds,vla-bound \
-fno-sanitize=vptr \
-fno-sanitize-recover=all
CFLAGS_WARN = $(COMMON_WARN) $(C_WARN)
CXXFLAGS_WARN = $(COMMON_WARN)
CFLAGS_DEBUG= -g
CFLAGS_DEBUG+=$(CFLAGS_DEBUG_CHIP)
CFLAGS_INCLUDE=$(foreach i,$(includes),-I$(i) ) -I.
CFLAGS_TEST=$(if $(TEST_BUILD),-DTEST_BUILD=$(EMPTY) \
-DTEST_TASKFILE=$(PROJECT).tasklist,) \
$(if $(CTS_MODULE), $(CFLAGS_CTS)) \
$(if $(EMU_BUILD),-DEMU_BUILD=$(EMPTY)) \
-DTEST_$(PROJECT)=$(EMPTY) -DTEST_$(UC_PROJECT)=$(EMPTY) \
$(if $(TEST_ASAN),-fsanitize=address) \
$(if $(TEST_MSAN),-fsanitize=memory) \
$(if $(TEST_UBSAN),$(UBSAN_FLAGS)) \
$(if $(TEST_FUZZ),-fsanitize=fuzzer-no-link \
-fno-experimental-new-pass-manager -DTEST_FUZZ=$(EMPTY))
CFLAGS_COVERAGE=$(if $(TEST_COVERAGE),--coverage \
-DTEST_COVERAGE=$(EMPTY),)
CFLAGS_HOSTTEST=$(if $(TEST_HOSTTEST),-DTEST_HOSTTEST=$(EMPTY),) -Iinclude/driver
CFLAGS_DEFINE=-DOUTDIR=$(out)/$(BLD) -DCHIP=$(CHIP) -DBOARD_TASKFILE=$(_tsk_lst_file) \
-DBOARD=$(BOARD) -DCORE=$(CORE) -DPROJECT=$(PROJECT) \
-DCHIP_VARIANT=$(CHIP_VARIANT) -DCHIP_FAMILY=$(UC_CHIP_FAMILY) \
-DBOARD_$(UC_BOARD)=$(EMPTY) \
-DCHIP_$(UC_CHIP)=$(EMPTY) \
-DCORE_$(UC_CORE)=$(EMPTY) \
-DCHIP_VARIANT_$(UC_CHIP_VARIANT)=$(EMPTY) \
-DCHIP_FAMILY_$(UC_CHIP_FAMILY)=$(EMPTY) \
-DFINAL_OUTDIR=$(out) \
-DPROTOBUF_MIN_PROTOC_VERSION=0 \
$(CFLAGS_BASEBOARD)
CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(CFLAGS_HOSTTEST) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD)=$(EMPTY) -DSECTION=$(BLD) $(CPPFLAGS_$(BLD))
BUILD_CPPFLAGS=$(CFLAGS_DEFINE) -Icore/host $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(CFLAGS_HOSTTEST) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD)=$(EMPTY) -DSECTION=$(BLD) $(CPPFLAGS_$(BLD))
HOST_CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(CFLAGS_HOSTTEST) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD)=$(EMPTY) -DSECTION=$(BLD) $(CPPFLAGS_$(BLD))
ifneq ($(BOARD),host)
CPPFLAGS+=-ffreestanding -fno-builtin -nostdinc -nostdlib
CPPFLAGS+=-Ibuiltin/
else
CPPFLAGS+=-Og
endif
CPPFLAGS+= -DCHROMIUM_EC=$(EMPTY)
CFLAGS=$(CPPFLAGS) $(CFLAGS_CPU) $(CFLAGS_DEBUG) $(COMMON_WARN) $(CFLAGS_y)
CFLAGS+= -ffunction-sections -fshort-wchar
CFLAGS+= -fno-delete-null-pointer-checks
ifneq ($(cc-name),clang)
CFLAGS+= -ffat-lto-objects
CFLAGS+= -fconserve-stack
endif
CXXFLAGS+=-DPROTOBUF_INLINE_NOT_IN_HEADERS=0
ifeq ($(LIBFTDI_NAME),)
FTDIVERSION:=$(shell $(PKG_CONFIG) --modversion libftdi1 2>/dev/null)
ifneq ($(FTDIVERSION),)
LIBFTDI_NAME=ftdi1
else
LIBFTDI_NAME=ftdi
endif
endif
LIBFTDIUSB_CFLAGS:=$(shell $(PKG_CONFIG) --cflags lib${LIBFTDI_NAME} libusb-1.0)
LIBFTDIUSB_LDLIBS:=$(shell $(PKG_CONFIG) --libs lib${LIBFTDI_NAME} libusb-1.0)
ifeq ($(TEST_FUZZ),y)
LIBPROTOBUF_CFLAGS:=$(shell $(PKG_CONFIG) --cflags protobuf)
LIBPROTOBUF_LDLIBS:=$(shell $(PKG_CONFIG) --libs protobuf)
LIBPROTOBUF_MUTATOR_CFLAGS:=${LIBPROTOBUF_CFLAGS} \
$(shell $(PKG_CONFIG) --cflags libprotobuf-mutator)
LIBPROTOBUF_MUTATOR_LDLIBS:=$(shell $(PKG_CONFIG) --libs libprotobuf-mutator) \
${LIBPROTOBUF_LDLIBS}
endif
BUILD_CFLAGS=$(LIBFTDIUSB_CFLAGS) $(BUILD_CPPFLAGS) -O3 $(CFLAGS_DEBUG)
BUILD_CFLAGS+=$(CFLAGS_WARN)
BUILD_CFLAGS+=-DCHROMIUM_EC=$(EMPTY)
HOST_CFLAGS=$(HOST_CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN) \
-DHOST_TOOLS_BUILD=$(EMPTY)
HOST_CFLAGS+=$(LIBFTDIUSB_CFLAGS)
HOST_CFLAGS+=-DCHROMIUM_EC=$(EMPTY)
HOST_CXXFLAGS=$(HOST_CFLAGS)
ifneq (${SYSROOT},)
LDFLAGS_EXTRA+=--sysroot=${SYSROOT}
endif
LDFLAGS=-nostdlib -g -Wl,-X -Wl,--gc-sections -Wl,--build-id=none \
$(LDFLAGS_EXTRA) $(CFLAGS_CPU)
BUILD_LDFLAGS=$(LIBFTDIUSB_LDLIBS)
HOST_LDFLAGS=$(LIBFTDIUSB_LDLIBS)
HOST_TEST_LDFLAGS=-Wl,-T core/host/host_exe.lds -lrt -pthread -rdynamic -lm\
-fuse-ld=bfd \
$(if $(TEST_COVERAGE), --coverage,) \
$(if $(TEST_ASAN), -fsanitize=address) \
$(if $(TEST_MSAN), -fsanitize=memory) \
$(if $(TEST_UBSAN), ${UBSAN_FLAGS}) \
$(if $(TEST_FUZZ), -fsanitize=fuzzer)
# utility function to provide overridable defaults
# $1: name of variable to set
# $2: first default to use
# $3: second default to use
set-option = $(eval $1=$$(strip $$(if $(2),$(2),$(3))))
|
