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34be8273e0
If passed into Makefile, firmware compiler flags (CC and CFLAGS) will
override old values to make sure that the compiled vboot_reference
library has calling convention and alike compatible with the firmware.
CL:6257018 had caused buildbot failure due to combination of two
reasons:
First, the Makefile rule for tlcl_generator that uses HOSTCC, which is
not the cross-compiler passed to Makefile, but wrongly passes CFLAGS,
rather than stuff like HOSTCFLAGS, into HOSTCC.
Second, CL:6257018 changed the behavior of Makefile, and so it did not
override CFLAGS value passed by emerge-${BOARD}, which is incompatible
with HOSTCC.
Thus, this CL preserves the previous the behavior of Makefile that
always overrides CFLAGS value received from outside world.
See also CL:6355014
BUG=None
TEST=See below
1. Run emerge-tegra2_seaboard vboot_reference-firmware successfully, and
check if vboot.a is compiled with CFLAGS from u-boot-cflags.mk
2. Run emerge and emerge-${BOARD} vboot_reference successfully
Review URL: http://codereview.chromium.org/6297017
Change-Id: I4b85079c520efdb7043c012b994817b47ebe831c
80 lines
1.6 KiB
Makefile
80 lines
1.6 KiB
Makefile
# Copyright (c) 2010 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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export FIRMWARE_ARCH
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export CC ?= gcc
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export CXX ?= g++
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export CFLAGS = -Wall -Werror
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ifeq (${DEBUG},)
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CFLAGS += -O3
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else
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CFLAGS += -O0 -g
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endif
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# Override CC and CFLAGS only if FIRMWARE_CONFIG_PATH is not empty, but we
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# wish to preserve -D flags (so move all -D flags after this).
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ifneq (${FIRMWARE_CONFIG_PATH},)
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include ${FIRMWARE_CONFIG_PATH}
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endif
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ifeq ($(FIRMWARE_ARCH),)
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CFLAGS += -DCHROMEOS_ENVIRONMENT
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endif
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ifneq (${DEBUG},)
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CFLAGS += -DVBOOT_DEBUG
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endif
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ifeq (${DISABLE_NDEBUG},)
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CFLAGS += -DNDEBUG
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endif
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export TOP = $(shell pwd)
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export FWDIR=$(TOP)/firmware
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export HOSTDIR=$(TOP)/host
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ifeq ($(FIRMWARE_ARCH),)
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export INCLUDES = -I$(FWDIR)/include -I$(FWDIR)/stub/include
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else
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export INCLUDES = -I$(FWDIR)/include -I$(FWDIR)/arch/$(FIRMWARE_ARCH)/include
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endif
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export BUILD = ${TOP}/build
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export FWLIB = ${BUILD}/vboot_fw.a
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export HOSTLIB = ${BUILD}/vboot_host.a
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ifeq ($(FIRMWARE_ARCH),)
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SUBDIRS = firmware host utility cgpt tests tests/tpm_lite
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else
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SUBDIRS = firmware
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endif
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all:
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set -e; \
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for d in $(shell find ${SUBDIRS} -name '*.c' -exec dirname {} \; |\
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sort -u); do \
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newdir=${BUILD}/$$d; \
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if [ ! -d $$newdir ]; then \
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mkdir -p $$newdir; \
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fi; \
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done; \
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[ -z "$(FIRMWARE_ARCH)" ] && make -C utility update_tlcl_structures; \
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for i in $(SUBDIRS); do \
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make -C $$i; \
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done
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clean:
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/bin/rm -rf ${BUILD}
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install:
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$(MAKE) -C utility install
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$(MAKE) -C cgpt install
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runtests:
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$(MAKE) -C tests runtests
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rbtest:
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$(MAKE) -C tests rbtest
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