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In old days, the "host-progs" syntax was used for specifying host
programs. It was renamed to the current "hostprogs-y" in 2004.
It is typically useful in scripts/Makefile because it allows Kbuild to
selectively compile host programs based on the kernel configuration.
This commit renames like follows:
always -> always-y
hostprogs-y -> hostprogs
So, scripts/Makefile will look like this:
always-$(CONFIG_BUILD_BIN2C) += ...
always-$(CONFIG_KALLSYMS) += ...
...
hostprogs := $(always-y) $(always-m)
I think this makes more sense because a host program is always a host
program, irrespective of the kernel configuration. We want to specify
which ones to compile by CONFIG options, so always-y will be handier.
The "always", "hostprogs-y", "hostprogs-m" will be kept for backward
compatibility for a while.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
39 lines
1.0 KiB
Makefile
39 lines
1.0 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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obj-$(CONFIG_UNICODE) += unicode.o
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obj-$(CONFIG_UNICODE_NORMALIZATION_SELFTEST) += utf8-selftest.o
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unicode-y := utf8-norm.o utf8-core.o
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$(obj)/utf8-norm.o: $(obj)/utf8data.h
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# In the normal build, the checked-in utf8data.h is just shipped.
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#
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# To generate utf8data.h from UCD, put *.txt files in this directory
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# and pass REGENERATE_UTF8DATA=1 from the command line.
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ifdef REGENERATE_UTF8DATA
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quiet_cmd_utf8data = GEN $@
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cmd_utf8data = $< \
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-a $(srctree)/$(src)/DerivedAge.txt \
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-c $(srctree)/$(src)/DerivedCombiningClass.txt \
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-p $(srctree)/$(src)/DerivedCoreProperties.txt \
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-d $(srctree)/$(src)/UnicodeData.txt \
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-f $(srctree)/$(src)/CaseFolding.txt \
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-n $(srctree)/$(src)/NormalizationCorrections.txt \
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-t $(srctree)/$(src)/NormalizationTest.txt \
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-o $@
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$(obj)/utf8data.h: $(obj)/mkutf8data $(filter %.txt, $(cmd_utf8data)) FORCE
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$(call if_changed,utf8data)
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else
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$(obj)/utf8data.h: $(src)/utf8data.h_shipped FORCE
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$(call if_changed,shipped)
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endif
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targets += utf8data.h
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hostprogs += mkutf8data
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