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
|
# -*- makefile -*-
# Copyright (c) 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 system
#
# Toolchain configuration
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_ASAN),)
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) $(HOST_CROSS_COMPILE)g++
PROTOC?=protoc
C_WARN = -Wstrict-prototypes -Wdeclaration-after-statement -Wno-pointer-sign
COMMON_WARN = -Wall -Werror -Wundef -Wno-trigraphs -fno-strict-aliasing \
-fno-common -Werror-implicit-function-declaration \
-Wno-format-security -fno-strict-overflow
ifeq ($(cc-name),clang)
# clang is pickier when it comes to packed struct members alignment.
C_WARN+= -Wno-address-of-packed-member
endif
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 $(TEST_BUILD),-DTEST_BUILD \
-DTEST_TASKFILE=$(PROJECT).tasklist,) \
$(if $(CTS_MODULE), $(CFLAGS_CTS)) \
$(if $(EMU_BUILD),-DEMU_BUILD) \
$(if $($(PROJECT)-scale),-DTEST_TIME_SCALE=$($(PROJECT)-scale)) \
-DTEST_$(PROJECT) -DTEST_$(UC_PROJECT) \
$(if $(TEST_ASAN),-fsanitize=address) \
$(if $(TEST_FUZZ),-fsanitize=fuzzer-no-link -DTEST_FUZZ)
CFLAGS_COVERAGE=$(if $(TEST_COVERAGE),-fprofile-arcs -ftest-coverage \
-DTEST_COVERAGE,)
CFLAGS_DEFINE=-DOUTDIR=$(out)/$(BLD) -DCHIP=$(CHIP) -DBOARD_TASKFILE=$(_tsk_lst_file) \
-DBOARD=$(BOARD) -DCORE=$(CORE) -DPROJECT=$(PROJECT) \
-DCHIP_VARIANT=$(CHIP_VARIANT) -DCHIP_FAMILY=$(CHIP_FAMILY) \
-DBOARD_$(UC_BOARD) -DCHIP_$(UC_CHIP) -DCORE_$(UC_CORE) \
-DCHIP_VARIANT_$(UC_CHIP_VARIANT) -DCHIP_FAMILY_$(UC_CHIP_FAMILY) \
-DFINAL_OUTDIR=$(out) $(CFLAGS_BASEBOARD)
CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD) -DSECTION=$(BLD) $(CPPFLAGS_$(BLD))
BUILD_CPPFLAGS=$(CFLAGS_DEFINE) -Icore/host $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD) -DSECTION=$(BLD) $(CPPFLAGS_$(BLD))
HOST_CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD) -DSECTION=$(BLD) $(CPPFLAGS_$(BLD))
ifneq ($(BOARD),host)
CPPFLAGS+=-ffreestanding -fno-builtin -nostdinc -nostdlib
CPPFLAGS+=-Ibuiltin/
endif
CFLAGS=$(CPPFLAGS) $(CFLAGS_CPU) $(CFLAGS_DEBUG) $(CFLAGS_WARN) $(CFLAGS_y)
CFLAGS+= -ffunction-sections -fshort-wchar
ifneq ($(cc-name),clang)
# TODO(chromium:854924): LLVM support for this flag is coming soon.
CFLAGS+= -fno-delete-null-pointer-checks
CFLAGS+= -fconserve-stack
endif
CFLAGS+= -DCHROMIUM_EC
CXXFLAGS+=-DPROTOBUF_INLINE_NOT_IN_HEADERS=0
FTDIVERSION:=$(shell $(PKG_CONFIG) --modversion libftdi1 2>/dev/null)
ifneq ($(FTDIVERSION),)
LIBFTDI_NAME=ftdi1
else
LIBFTDI_NAME=ftdi
endif
LIBFTDI_CFLAGS:=$(shell $(PKG_CONFIG) --cflags lib${LIBFTDI_NAME})
LIBFTDI_LDLIBS:=$(shell $(PKG_CONFIG) --libs lib${LIBFTDI_NAME})
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= $(LIBFTDI_CFLAGS) $(BUILD_CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN)
HOST_CFLAGS=$(HOST_CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN) -DHOST_TOOLS_BUILD
LDFLAGS=-nostdlib -g -Wl,-X -Wl,--gc-sections -Wl,--build-id=none \
$(LDFLAGS_EXTRA) $(CFLAGS_CPU)
BUILD_LDFLAGS=$(LIBFTDI_LDLIBS)
HOST_TEST_LDFLAGS=-Wl,-T core/host/host_exe.lds -lrt -pthread -rdynamic -lm\
$(if $(TEST_COVERAGE),-fprofile-arcs,) \
$(if $(TEST_ASAN), -fsanitize=address) \
$(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=$$(if $(2),$(2),$(3)))
|
