mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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77342a02ff
Nobody was opposed to raising minimum GCC version to 4.8 [1] So, we will drop GCC <= 4.7 support sooner or later. We always use C++ compiler for building plugins for GCC >= 4.8. This commit drops the plugin support for GCC <= 4.7 a bit earlier, which allows us to dump lots of code. [1] https://lkml.org/lkml/2020/1/23/545 Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Kees Cook <keescook@chromium.org>
68 lines
2.2 KiB
Text
68 lines
2.2 KiB
Text
# SPDX-License-Identifier: GPL-2.0
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# ==========================================================================
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# Cleaning up
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# ==========================================================================
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src := $(obj)
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PHONY := __clean
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__clean:
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include scripts/Kbuild.include
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# The filename Kbuild has precedence over Makefile
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kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
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include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
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# Figure out what we need to build from the various variables
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# ==========================================================================
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subdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \
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$(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-))))
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# Add subdir path
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subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
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# build a list of files to remove, usually relative to the current
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# directory
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__clean-files := $(extra-y) $(extra-m) $(extra-) \
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$(always) $(always-y) $(always-m) $(always-) $(targets) $(clean-files) \
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$(hostprogs) $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
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$(hostcxxlibs-y) $(hostcxxlibs-m)
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__clean-files := $(filter-out $(no-clean-files), $(__clean-files))
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# clean-files is given relative to the current directory, unless it
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# starts with $(objtree)/ (which means "./", so do not add "./" unless
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# you want to delete a file from the toplevel object directory).
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__clean-files := $(wildcard \
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$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \
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$(filter $(objtree)/%, $(__clean-files)))
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# ==========================================================================
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quiet_cmd_clean = CLEAN $(obj)
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cmd_clean = rm -rf $(__clean-files)
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__clean: $(subdir-ymn)
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ifneq ($(strip $(__clean-files)),)
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$(call cmd,clean)
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endif
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@:
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# ===========================================================================
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# Generic stuff
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# ===========================================================================
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# Descending
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# ---------------------------------------------------------------------------
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PHONY += $(subdir-ymn)
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$(subdir-ymn):
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$(Q)$(MAKE) $(clean)=$@
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.PHONY: $(PHONY)
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