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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e1b702cf22
While changing our build system over to use the headers_install target as part of our klibc build, the following message started showing up in our logs: make[2]: `scripts/unifdef' is up to date. It turns out that the build blindly invokes a recursive make on this target, which causes make to emit this message when the target is already up to date. This isn't seen for most targets as the rest of the build relies primarily on the default target and on PHONY targets when invoking make recursively. Silence the above message when building unifdef as part of headers_install by hiding it behind a new PHONY target called "build_unifdef" that has an empty recipe. Signed-off-by: Mike Waychison <mikew@google.com> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
33 lines
1.1 KiB
Makefile
33 lines
1.1 KiB
Makefile
###
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# scripts contains sources for various helper programs used throughout
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# the kernel for the build process.
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# ---------------------------------------------------------------------------
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# kallsyms: Find all symbols in vmlinux
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# pnmttologo: Convert pnm files to logo files
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# conmakehash: Create chartable
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# conmakehash: Create arrays for initializing the kernel console tables
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hostprogs-$(CONFIG_KALLSYMS) += kallsyms
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hostprogs-$(CONFIG_LOGO) += pnmtologo
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hostprogs-$(CONFIG_VT) += conmakehash
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hostprogs-$(CONFIG_IKCONFIG) += bin2c
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hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
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always := $(hostprogs-y) $(hostprogs-m)
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# The following hostprogs-y programs are only build on demand
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hostprogs-y += unifdef
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# This target is used internally to avoid "is up to date" messages
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PHONY += build_unifdef
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build_unifdef: scripts/unifdef FORCE
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@:
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subdir-$(CONFIG_MODVERSIONS) += genksyms
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subdir-y += mod
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subdir-$(CONFIG_SECURITY_SELINUX) += selinux
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subdir-$(CONFIG_DTC) += dtc
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# Let clean descend into subdirs
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subdir- += basic kconfig package selinux
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