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7bef731f0b
Currently, Mbed TLS can be built with make, and we rely on this in many `all.sh` components. Mbed TLS knows how to build TF-PSA-Crypto, but this changes from time to time, and it's hard to do the necessary changes in both repositories at the same time. Create a file that Mbed TLS can consume to find out some information needed to build TF-PSA-Crypto, such as the locations of various files. Create this file in Mbed TLS. Once we have finished moving code to it, the file will move to TF-PSA-Crypto. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
26 lines
1.1 KiB
Makefile
26 lines
1.1 KiB
Makefile
# Helper code for the make build system in Mbed TLS: define some variables
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# providing information such as file paths.
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# This file is only meant to exist for a short transition period.
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# It may change or be removed without notice.
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# Do not use it if you are not Mbed TLS!
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# Assume that this makefile is located in a first-level subdirectory of the
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# Mbed TLS root, and is accessed directly (not via VPATH or such).
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# If this is not the case, TF_PSA_CRYPTO_PATH or MBEDTLS_PATH must be defined
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# before including this file.
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ifneq ($(origin TF_PSA_CRYPTO_PATH), undefined)
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# TF_PSA_CRYPTO_PATH was defined before including this file, good.
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else ifneq ($(origin MBEDTLS_PATH), undefined)
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TF_PSA_CRYPTO_PATH := $(MBEDTLS_PATH)/tf-psa-crypto
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else
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# $(dir $(lastword $(MAKEFILE_LIST))) is the path to this file, possibly
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# a relative path, with a trailing slash. Strip off another directory
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# from that.
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TF_PSA_CRYPTO_PATH := $(patsubst %/,%,$(dir $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))))/tf-psa-crypto
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endif
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ifeq (,$(wildcard $(TF_PSA_CRYPTO_PATH)/core/psa_crypto.c))
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$(error $$(TF_PSA_CRYPTO_PATH)/core/psa_crypto.c not found)
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endif
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