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df202b452f
- Add HOSTPKG_CONFIG env variable to allow users to override pkg-config
- Support W=e as a shorthand for KCFLAGS=-Werror
- Fix CONFIG_IKHEADERS build to support toybox cpio
- Add scripts/dummy-tools/pahole to ease distro packagers' life
- Suppress false-positive warnings from checksyscalls.sh for W=2 build
- Factor out the common code of arch/*/boot/install.sh into
scripts/install.sh
- Support 'kernel-install' tool in scripts/prune-kernel
- Refactor module-versioning to link the symbol versions at the final
link of vmlinux and modules
- Remove CONFIG_MODULE_REL_CRCS because module-versioning now works in
an arch-agnostic way
- Refactor modpost, Makefiles
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Merge tag 'kbuild-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add HOSTPKG_CONFIG env variable to allow users to override pkg-config
- Support W=e as a shorthand for KCFLAGS=-Werror
- Fix CONFIG_IKHEADERS build to support toybox cpio
- Add scripts/dummy-tools/pahole to ease distro packagers' life
- Suppress false-positive warnings from checksyscalls.sh for W=2 build
- Factor out the common code of arch/*/boot/install.sh into
scripts/install.sh
- Support 'kernel-install' tool in scripts/prune-kernel
- Refactor module-versioning to link the symbol versions at the final
link of vmlinux and modules
- Remove CONFIG_MODULE_REL_CRCS because module-versioning now works in
an arch-agnostic way
- Refactor modpost, Makefiles
* tag 'kbuild-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (56 commits)
genksyms: adjust the output format to modpost
kbuild: stop merging *.symversions
kbuild: link symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS
modpost: extract symbol versions from *.cmd files
modpost: add sym_find_with_module() helper
modpost: change the license of EXPORT_SYMBOL to bool type
modpost: remove left-over cross_compile declaration
kbuild: record symbol versions in *.cmd files
kbuild: generate a list of objects in vmlinux
modpost: move *.mod.c generation to write_mod_c_files()
modpost: merge add_{intree_flag,retpoline,staging_flag} to add_header
scripts/prune-kernel: Use kernel-install if available
kbuild: factor out the common installation code into scripts/install.sh
modpost: split new_symbol() to symbol allocation and hash table addition
modpost: make sym_add_exported() always allocate a new symbol
modpost: make multiple export error
modpost: dump Module.symvers in the same order of modules.order
modpost: traverse the namespace_list in order
modpost: use doubly linked list for dump_lists
modpost: traverse unresolved symbols in order
...
91 lines
3.5 KiB
Makefile
91 lines
3.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the linux kernel signature checking certificates.
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#
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obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o common.o
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obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o common.o
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obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o
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ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),)
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quiet_cmd_check_blacklist_hashes = CHECK $(patsubst "%",%,$(2))
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cmd_check_blacklist_hashes = $(AWK) -f $(srctree)/scripts/check-blacklist-hashes.awk $(2); touch $@
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$(eval $(call config_filename,SYSTEM_BLACKLIST_HASH_LIST))
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$(obj)/blacklist_hashes.o: $(obj)/blacklist_hashes_checked
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CFLAGS_blacklist_hashes.o += -I$(srctree)
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targets += blacklist_hashes_checked
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$(obj)/blacklist_hashes_checked: $(SYSTEM_BLACKLIST_HASH_LIST_SRCPREFIX)$(SYSTEM_BLACKLIST_HASH_LIST_FILENAME) scripts/check-blacklist-hashes.awk FORCE
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$(call if_changed,check_blacklist_hashes,$(SYSTEM_BLACKLIST_HASH_LIST_SRCPREFIX)$(CONFIG_SYSTEM_BLACKLIST_HASH_LIST))
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obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_hashes.o
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else
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obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_nohashes.o
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endif
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quiet_cmd_extract_certs = CERT $@
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cmd_extract_certs = $(obj)/extract-cert $(extract-cert-in) $@
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extract-cert-in = $(or $(filter-out $(obj)/extract-cert, $(real-prereqs)),"")
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$(obj)/system_certificates.o: $(obj)/x509_certificate_list
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$(obj)/x509_certificate_list: $(CONFIG_SYSTEM_TRUSTED_KEYS) $(obj)/extract-cert FORCE
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$(call if_changed,extract_certs)
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targets += x509_certificate_list blacklist_hashes_checked
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# If module signing is requested, say by allyesconfig, but a key has not been
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# supplied, then one will need to be generated to make sure the build does not
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# fail and that the kernel may be used afterwards.
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#
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# We do it this way rather than having a boolean option for enabling an
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# external private key, because 'make randconfig' might enable such a
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# boolean option and we unfortunately can't make it depend on !RANDCONFIG.
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ifeq ($(CONFIG_MODULE_SIG_KEY),certs/signing_key.pem)
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keytype-$(CONFIG_MODULE_SIG_KEY_TYPE_ECDSA) := -newkey ec -pkeyopt ec_paramgen_curve:secp384r1
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quiet_cmd_gen_key = GENKEY $@
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cmd_gen_key = openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
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-batch -x509 -config $< \
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-outform PEM -out $@ -keyout $@ $(keytype-y) 2>&1
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$(obj)/signing_key.pem: $(obj)/x509.genkey FORCE
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$(call if_changed,gen_key)
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targets += signing_key.pem
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quiet_cmd_copy_x509_config = COPY $@
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cmd_copy_x509_config = cat $(srctree)/$(src)/default_x509.genkey > $@
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# You can provide your own config file. If not present, copy the default one.
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$(obj)/x509.genkey:
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$(call cmd,copy_x509_config)
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endif # CONFIG_MODULE_SIG_KEY
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$(obj)/system_certificates.o: $(obj)/signing_key.x509
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PKCS11_URI := $(filter pkcs11:%, $(CONFIG_MODULE_SIG_KEY))
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ifdef PKCS11_URI
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$(obj)/signing_key.x509: extract-cert-in := $(PKCS11_URI)
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endif
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$(obj)/signing_key.x509: $(filter-out $(PKCS11_URI),$(CONFIG_MODULE_SIG_KEY)) $(obj)/extract-cert FORCE
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$(call if_changed,extract_certs)
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targets += signing_key.x509
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$(obj)/revocation_certificates.o: $(obj)/x509_revocation_list
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$(obj)/x509_revocation_list: $(CONFIG_SYSTEM_REVOCATION_KEYS) $(obj)/extract-cert FORCE
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$(call if_changed,extract_certs)
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targets += x509_revocation_list
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hostprogs := extract-cert
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HOSTCFLAGS_extract-cert.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)
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HOSTLDLIBS_extract-cert = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
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