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Masahiro Yamada 5f2fb52fac kbuild: rename hostprogs-y/always to hostprogs/always-y

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>

2020-02-04 01:53:07 +09:00

1.4 KiB

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SPDX-License-Identifier: GPL-2.0

scripts contains sources for various helper programs used throughout

the kernel for the build process.

---------------------------------------------------------------------------

kallsyms: Find all symbols in vmlinux

HOST_EXTRACFLAGS += -I$(srctree)/tools/include

always-$(CONFIG_BUILD_BIN2C) += bin2c always-$(CONFIG_KALLSYMS) += kallsyms always-$(BUILD_C_RECORDMCOUNT) += recordmcount always-$(CONFIG_BUILDTIME_TABLE_SORT) += sorttable always-$(CONFIG_ASN1) += asn1_compiler always-$(CONFIG_MODULE_SIG_FORMAT) += sign-file always-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert

HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include HOSTLDLIBS_sign-file = -lcrypto HOSTLDLIBS_extract-cert = -lcrypto

ifdef CONFIG_UNWINDER_ORC ifeq ($(ARCH),x86_64) ARCH := x86 endif HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED HOSTLDLIBS_sorttable = -lpthread endif

hostprogs := $(always-y) $(always-m)

The following programs are only built on demand

hostprogs += unifdef

subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins subdir-$(CONFIG_MODVERSIONS) += genksyms subdir-$(CONFIG_SECURITY_SELINUX) += selinux

Let clean descend into subdirs

subdir- += basic dtc gdb kconfig mod

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