6fbd6cf85a
- Fix false-positive build warnings for ARCH=ia64 builds
- Optimize dictionary size for module compression with xz
- Check the compiler and linker versions in Kconfig
- Fix misuse of extra-y
- Support DWARF v5 debug info
- Clamp SUBLEVEL to 255 because stable releases 4.4.x and 4.9.x
exceeded the limit
- Add generic syscall{tbl,hdr}.sh for cleanups across arches
- Minor cleanups of genksyms
- Minor cleanups of Kconfig
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Merge tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Fix false-positive build warnings for ARCH=ia64 builds
- Optimize dictionary size for module compression with xz
- Check the compiler and linker versions in Kconfig
- Fix misuse of extra-y
- Support DWARF v5 debug info
- Clamp SUBLEVEL to 255 because stable releases 4.4.x and 4.9.x
exceeded the limit
- Add generic syscall{tbl,hdr}.sh for cleanups across arches
- Minor cleanups of genksyms
- Minor cleanups of Kconfig
* tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (38 commits)
initramfs: Remove redundant dependency of RD_ZSTD on BLK_DEV_INITRD
kbuild: remove deprecated 'always' and 'hostprogs-y/m'
kbuild: parse C= and M= before changing the working directory
kbuild: reuse this-makefile to define abs_srctree
kconfig: unify rule of config, menuconfig, nconfig, gconfig, xconfig
kconfig: omit --oldaskconfig option for 'make config'
kconfig: fix 'invalid option' for help option
kconfig: remove dead code in conf_askvalue()
kconfig: clean up nested if-conditionals in check_conf()
kconfig: Remove duplicate call to sym_get_string_value()
Makefile: Remove # characters from compiler string
Makefile: reuse CC_VERSION_TEXT
kbuild: check the minimum linker version in Kconfig
kbuild: remove ld-version macro
scripts: add generic syscallhdr.sh
scripts: add generic syscalltbl.sh
arch: syscalls: remove $(srctree)/ prefix from syscall tables
arch: syscalls: add missing FORCE and fix 'targets' to make if_changed work
gen_compile_commands: prune some directories
kbuild: simplify access to the kernel's version
...
89 lines
3 KiB
Makefile
89 lines
3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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DT_DOC_CHECKER ?= dt-doc-validate
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DT_EXTRACT_EX ?= dt-extract-example
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DT_MK_SCHEMA ?= dt-mk-schema
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DT_SCHEMA_LINT = $(shell which yamllint)
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DT_SCHEMA_MIN_VERSION = 2020.8.1
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PHONY += check_dtschema_version
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check_dtschema_version:
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@{ echo $(DT_SCHEMA_MIN_VERSION); \
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$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -Vc >/dev/null || \
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{ echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
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quiet_cmd_extract_ex = DTEX $@
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cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
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$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
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$(call if_changed,extract_ex)
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# Use full schemas when checking %.example.dts
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DT_TMP_SCHEMA := $(obj)/processed-schema-examples.json
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find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
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-name 'processed-schema*' ! \
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-name '*.example.dt.yaml' \)
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quiet_cmd_yamllint = LINT $(src)
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cmd_yamllint = ($(find_cmd) | \
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xargs $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint) || true
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quiet_cmd_chk_bindings = CHKDT $@
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cmd_chk_bindings = ($(find_cmd) | \
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xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true
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quiet_cmd_mk_schema = SCHEMA $@
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cmd_mk_schema = f=$$(mktemp) ; \
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$(if $(DT_MK_SCHEMA_FLAGS), \
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printf '%s\n' $(real-prereqs), \
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$(find_cmd)) > $$f ; \
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$(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
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rm -f $$f
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define rule_chkdt
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$(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),)
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$(call cmd,chk_bindings)
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$(call cmd,mk_schema)
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endef
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DT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
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override DTC_FLAGS := \
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-Wno-avoid_unnecessary_addr_size \
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-Wno-graph_child_address \
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-Wno-interrupt_provider
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$(obj)/processed-schema-examples.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE
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$(call if_changed_rule,chkdt)
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ifeq ($(DT_SCHEMA_FILES),)
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# Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too.
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# Just copy processed-schema-examples.json
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$(obj)/processed-schema.json: $(obj)/processed-schema-examples.json FORCE
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$(call if_changed,copy)
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DT_SCHEMA_FILES = $(DT_DOCS)
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else
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# If DT_SCHEMA_FILES is specified, use it for processed-schema.json
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$(obj)/processed-schema.json: DT_MK_SCHEMA_FLAGS := -u
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$(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
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$(call if_changed,mk_schema)
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endif
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always-$(CHECK_DT_BINDING) += processed-schema-examples.json
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always-$(CHECK_DTBS) += processed-schema.json
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always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
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always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
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# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
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# build artifacts here before they are processed by scripts/Makefile.clean
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clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
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-name '*.example.dt.yaml' \) -delete 2>/dev/null)
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