| # -*- 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 $(min_make_version) or higher required.) |
| endif |
| |
| # Try not to assume too much about optional tools and prefixes |
| CCACHE:=$(shell which ccache 2>/dev/null) |
| ifeq ($(origin HOST_CROSS_COMPILE),undefined) |
| HOST_CROSS_COMPILE:=$(if $(shell which x86_64-pc-linux-gnu-gcc 2>/dev/null),x86_64-pc-linux-gnu-,) |
| endif |
| |
| CC=$(CCACHE) $(CROSS_COMPILE)gcc |
| CPP=$(CCACHE) $(CROSS_COMPILE)cpp |
| LD=$(CROSS_COMPILE)ld |
| NM=$(CROSS_COMPILE)nm |
| OBJCOPY=$(CROSS_COMPILE)objcopy |
| OBJDUMP=$(CROSS_COMPILE)objdump |
| PKG_CONFIG?=pkg-config |
| BUILDCC?=$(CCACHE) gcc |
| HOSTCC?=$(CCACHE) $(HOST_CROSS_COMPILE)gcc |
| HOSTCXX?=$(CCACHE) $(HOST_CROSS_COMPILE)g++ |
| |
| 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 |
| CFLAGS_WARN = $(COMMON_WARN) $(C_WARN) |
| CXXFLAGS_WARN = $(COMMON_WARN) |
| CFLAGS_DEBUG= -g |
| CFLAGS_INCLUDE=$(foreach i,$(includes),-I$(i) ) -I. |
| CFLAGS_TEST=$(if $(TEST_BUILD),-DTEST_BUILD \ |
| -DTEST_TASKFILE=$(PROJECT).tasklist,) \ |
| $(if $(CTS_MODULE), $(CFLAGS_CTS)) \ |
| $(if $(CTS_DEBUG), -DCTS_DEBUG=DEFINED) \ |
| $(if $(EMU_BUILD),-DEMU_BUILD) \ |
| $(if $($(PROJECT)-scale),-DTEST_TIME_SCALE=$($(PROJECT)-scale)) \ |
| -DTEST_$(PROJECT) -DTEST_$(UC_PROJECT) |
| 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) |
| 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) $(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) $(CFLAGS_y) |
| CFLAGS+= -ffunction-sections -fshort-wchar |
| CFLAGS+= -fno-delete-null-pointer-checks -fconserve-stack |
| CFLAGS+= -DCHROMIUM_EC |
| |
| FTDIVERSION=$(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}) |
| |
| 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 -Wl,-X -Wl,--gc-sections -Wl,--build-id=none $(LDFLAGS_EXTRA) |
| BUILD_LDFLAGS=$(LIBFTDI_LDLIBS) |
| HOST_TEST_LDFLAGS=-T core/host/host_exe.lds -lrt -pthread -rdynamic -lm\ |
| $(if $(TEST_COVERAGE),-fprofile-arcs,) |
