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5f2fb52fac
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) $(always-m)
I think this makes more sense because a host program is always a host
program, irrespective of the kernel configuration. We want to specify
which ones to compile by CONFIG options, so always-y will be handier.
The "always", "hostprogs-y", "hostprogs-m" will be kept for backward
compatibility for a while.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
31 lines
1016 B
Makefile
31 lines
1016 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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# scripts/dtc makefile
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hostprogs := dtc
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always-$(CONFIG_DTC) := $(hostprogs)
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dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
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srcpos.o checks.o util.o
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dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
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# Source files need to get at the userspace version of libfdt_env.h to compile
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HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt
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ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
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ifneq ($(CHECK_DTBS),)
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$(error dtc needs libyaml for DT schema validation support. \
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Install the necessary libyaml development package.)
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endif
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HOST_EXTRACFLAGS += -DNO_YAML
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else
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dtc-objs += yamltree.o
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HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs)
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endif
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# Generated files need one more search path to include headers in source tree
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HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
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HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
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# dependencies on generated files need to be listed explicitly
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$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
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