forked from mirrors/linux
6a34dfa15d
- Add generic support for built-in boot DTB files
- Enable TAB cycling for dialog buttons in nconfig
- Fix issues in streamline_config.pl
- Refactor Kconfig
- Add support for Clang's AutoFDO (Automatic Feedback-Directed
Optimization)
- Add support for Clang's Propeller, a profile-guided optimization.
- Change the working directory to the external module directory for M=
builds
- Support building external modules in a separate output directory
- Enable objtool for *.mod.o and additional kernel objects
- Use lz4 instead of deprecated lz4c
- Work around a performance issue with "git describe"
- Refactor modpost
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Merge tag 'kbuild-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add generic support for built-in boot DTB files
- Enable TAB cycling for dialog buttons in nconfig
- Fix issues in streamline_config.pl
- Refactor Kconfig
- Add support for Clang's AutoFDO (Automatic Feedback-Directed
Optimization)
- Add support for Clang's Propeller, a profile-guided optimization.
- Change the working directory to the external module directory for M=
builds
- Support building external modules in a separate output directory
- Enable objtool for *.mod.o and additional kernel objects
- Use lz4 instead of deprecated lz4c
- Work around a performance issue with "git describe"
- Refactor modpost
* tag 'kbuild-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (85 commits)
kbuild: rename .tmp_vmlinux.kallsyms0.syms to .tmp_vmlinux0.syms
gitignore: Don't ignore 'tags' directory
kbuild: add dependency from vmlinux to resolve_btfids
modpost: replace tdb_hash() with hash_str()
kbuild: deb-pkg: add python3:native to build dependency
genksyms: reduce indentation in export_symbol()
modpost: improve error messages in device_id_check()
modpost: rename alias symbol for MODULE_DEVICE_TABLE()
modpost: rename variables in handle_moddevtable()
modpost: move strstarts() to modpost.h
modpost: convert do_usb_table() to a generic handler
modpost: convert do_of_table() to a generic handler
modpost: convert do_pnp_device_entry() to a generic handler
modpost: convert do_pnp_card_entries() to a generic handler
modpost: call module_alias_printf() from all do_*_entry() functions
modpost: pass (struct module *) to do_*_entry() functions
modpost: remove DEF_FIELD_ADDR_VAR() macro
modpost: deduplicate MODULE_ALIAS() for all drivers
modpost: introduce module_alias_printf() helper
modpost: remove unnecessary check in do_acpi_entry()
...
115 lines
3.3 KiB
Text
115 lines
3.3 KiB
Text
# SPDX-License-Identifier: GPL-2.0-only
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PHONY := __default
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__default: vmlinux
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include include/config/auto.conf
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include $(srctree)/scripts/Kbuild.include
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include $(srctree)/scripts/Makefile.lib
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targets :=
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%.o: %.c FORCE
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$(call if_changed_rule,cc_o_c)
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%.o: %.S FORCE
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$(call if_changed_rule,as_o_S)
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# Built-in dtb
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# ---------------------------------------------------------------------------
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quiet_cmd_wrap_dtbs = WRAP $@
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cmd_wrap_dtbs = { \
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echo '\#include <asm-generic/vmlinux.lds.h>'; \
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echo '.section .dtb.init.rodata,"a"'; \
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while read dtb; do \
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symbase=__dtb_$$(basename -s .dtb "$${dtb}" | tr - _); \
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echo '.balign STRUCT_ALIGNMENT'; \
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echo ".global $${symbase}_begin"; \
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echo "$${symbase}_begin:"; \
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echo '.incbin "'$$dtb'" '; \
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echo ".global $${symbase}_end"; \
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echo "$${symbase}_end:"; \
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done < $<; \
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} > $@
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.builtin-dtbs.S: .builtin-dtbs-list FORCE
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$(call if_changed,wrap_dtbs)
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quiet_cmd_gen_dtbs_list = GEN $@
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cmd_gen_dtbs_list = \
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$(if $(CONFIG_BUILTIN_DTB_NAME), echo "arch/$(SRCARCH)/boot/dts/$(CONFIG_BUILTIN_DTB_NAME).dtb",:) > $@
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.builtin-dtbs-list: arch/$(SRCARCH)/boot/dts/dtbs-list FORCE
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$(call if_changed,$(if $(CONFIG_BUILTIN_DTB_ALL),copy,gen_dtbs_list))
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targets += .builtin-dtbs-list
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ifdef CONFIG_GENERIC_BUILTIN_DTB
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targets += .builtin-dtbs.S .builtin-dtbs.o
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vmlinux: .builtin-dtbs.o
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endif
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# vmlinux
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# ---------------------------------------------------------------------------
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ifdef CONFIG_MODULES
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targets += .vmlinux.export.o
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vmlinux: .vmlinux.export.o
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endif
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ifdef CONFIG_ARCH_WANTS_PRE_LINK_VMLINUX
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vmlinux: arch/$(SRCARCH)/tools/vmlinux.arch.o
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arch/$(SRCARCH)/tools/vmlinux.arch.o: vmlinux.o FORCE
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$(Q)$(MAKE) $(build)=arch/$(SRCARCH)/tools $@
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endif
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ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
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# Final link of vmlinux with optional arch pass after final link
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cmd_link_vmlinux = \
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$< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)"; \
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$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
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targets += vmlinux
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vmlinux: scripts/link-vmlinux.sh vmlinux.o $(KBUILD_LDS) FORCE
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+$(call if_changed_dep,link_vmlinux)
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ifdef CONFIG_DEBUG_INFO_BTF
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vmlinux: $(RESOLVE_BTFIDS)
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endif
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# module.builtin.ranges
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# ---------------------------------------------------------------------------
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ifdef CONFIG_BUILTIN_MODULE_RANGES
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__default: modules.builtin.ranges
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quiet_cmd_modules_builtin_ranges = GEN $@
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cmd_modules_builtin_ranges = gawk -f $(real-prereqs) > $@
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targets += modules.builtin.ranges
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modules.builtin.ranges: $(srctree)/scripts/generate_builtin_ranges.awk \
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modules.builtin vmlinux.map vmlinux.o.map FORCE
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$(call if_changed,modules_builtin_ranges)
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vmlinux.map: vmlinux
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@:
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endif
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# Add FORCE to the prerequisites of a target to force it to be always rebuilt.
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# ---------------------------------------------------------------------------
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PHONY += FORCE
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FORCE:
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# Read all saved command lines and dependencies for the $(targets) we
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# may be building above, using $(if_changed{,_dep}). As an
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# optimization, we don't need to read them if the target does not
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# exist, we will rebuild anyway in that case.
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existing-targets := $(wildcard $(sort $(targets)))
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-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
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.PHONY: $(PHONY)
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