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kbuild: rename hostprogs-y/always to hostprogs/always-y

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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>
This commit is contained in:
Masahiro Yamada
2020-02-02 01:49:24 +09:00
parent faa7bdd7e9
commit 5f2fb52fac
49 changed files with 172 additions and 190 deletions
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4
samples/pidfd/Makefile
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@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
hostprogs-y := pidfd-metadata
always := $(hostprogs-y)
hostprogs := pidfd-metadata
always-y := $(hostprogs)
HOSTCFLAGS_pidfd-metadata.o += -I$(objtree)/usr/include
all: pidfd-metadata