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https://github.com/Telecominfraproject/OpenCellular.git
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65d683a7e5
When building components from external libraries, instead of rsyncing the library into our build directory and building there, just build in the library directory and have it put its generated objects into our build tree. That will keep any build artifacts in the library directory from polluting our builds unexpectedly. BUG=chrome-os-partner:43025 BRANCH=none TEST=make buildall Change-Id: I2f07a2b49d1a0ba9fd9fff0822551486be820b70 Signed-off-by: Bill Richardson <wfrichar@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/295044 Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
40 lines
1.1 KiB
Makefile
40 lines
1.1 KiB
Makefile
# -*- makefile -*-
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# Copyright (c) 2014 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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# Board specific files build
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CHIP:=g
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CHIP_FAMILY:=cr50
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CHIP_VARIANT ?= cr50_fpga
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board-y=board.o
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# Need to generate a .hex file
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all: hex
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# This file is included twice by the Makefile, once to determine the CHIP info
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# and then again after defining all the CONFIG_ and HAS_TASK variables. We use
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# a guard so that recipe definitions and variable extensions only happen the
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# second time.
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ifeq ($(BOARD_MK_INCLUDED_ONCE),)
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BOARD_MK_INCLUDED_ONCE=1
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else
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# Build and link with an external library
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EXTLIB := $(realpath ../../third_party/tpm2)
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CFLAGS += -I$(EXTLIB) -I$(realpath $(BDIR)/tpm2)
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LDFLAGS_EXTRA += -L$(out)/tpm2 -ltpm2
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$(out)/RO/ec.RO.elf: $(out)/tpm2/libtpm2.a
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$(out)/RW/ec.RW.elf: $(out)/tpm2/libtpm2.a
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# Force the external build each time, so it can look for changed sources.
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.PHONY: $(out)/tpm2/libtpm2.a
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$(out)/tpm2/libtpm2.a:
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$(MAKE) obj=$(realpath $(out))/tpm2 EMBEDDED_MODE=1 -C $(EXTLIB)
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endif # BOARD_MK_INCLUDED_ONCE is nonempty
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