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>
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

View File

@@ -7,14 +7,14 @@
HOST_EXTRACFLAGS += -I$(srctree)/tools/include
hostprogs-$(CONFIG_BUILD_BIN2C) += bin2c
hostprogs-$(CONFIG_KALLSYMS) += kallsyms
hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
hostprogs-$(CONFIG_BUILDTIME_TABLE_SORT) += sorttable
hostprogs-$(CONFIG_ASN1) += asn1_compiler
hostprogs-$(CONFIG_MODULE_SIG_FORMAT) += sign-file
hostprogs-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
hostprogs-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
always-$(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
@@ -30,10 +30,10 @@ HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
HOSTLDLIBS_sorttable = -lpthread
endif
always := $(hostprogs-y) $(hostprogs-m)
hostprogs := $(always-y) $(always-m)
# The following hostprogs-y programs are only build on demand
hostprogs-y += unifdef
# The following programs are only built on demand
hostprogs += unifdef
subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
subdir-$(CONFIG_MODVERSIONS) += genksyms

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@@ -16,6 +16,8 @@ obj-m :=
lib-y :=
lib-m :=
always :=
always-y :=
always-m :=
targets :=
subdir-y :=
subdir-m :=
@@ -44,7 +46,7 @@ include $(kbuild-file)
include scripts/Makefile.lib
# Do not include host rules unless needed
ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),)
ifneq ($(hostprogs)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),)
include scripts/Makefile.host
endif
@@ -348,7 +350,7 @@ $(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE
$(call if_changed_rule,as_o_S)
targets += $(filter-out $(subdir-obj-y), $(real-obj-y)) $(real-obj-m) $(lib-y)
targets += $(extra-y) $(MAKECMDGOALS) $(always)
targets += $(extra-y) $(always-y) $(MAKECMDGOALS)
# Linker scripts preprocessor (.lds.S -> .lds)
# ---------------------------------------------------------------------------
@@ -490,7 +492,7 @@ else
__build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
$(if $(KBUILD_MODULES),$(obj-m) $(mod-targets) $(modorder-target)) \
$(subdir-ym) $(always)
$(subdir-ym) $(always-y)
@:
endif

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@@ -28,8 +28,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
# directory
__clean-files := $(extra-y) $(extra-m) $(extra-) \
$(always) $(targets) $(clean-files) \
$(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
$(always) $(always-y) $(always-m) $(always-) $(targets) $(clean-files) \
$(hostprogs) $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
$(hostlibs-y) $(hostlibs-m) $(hostlibs-) \
$(hostcxxlibs-y) $(hostcxxlibs-m)

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@@ -24,21 +24,21 @@ $(obj)/%.tab.c $(obj)/%.tab.h: $(src)/%.y FORCE
# Both C and C++ are supported, but preferred language is C for such utilities.
#
# Sample syntax (see Documentation/kbuild/makefiles.rst for reference)
# hostprogs-y := bin2hex
# hostprogs := bin2hex
# Will compile bin2hex.c and create an executable named bin2hex
#
# hostprogs-y := lxdialog
# hostprogs := lxdialog
# lxdialog-objs := checklist.o lxdialog.o
# Will compile lxdialog.c and checklist.c, and then link the executable
# lxdialog, based on checklist.o and lxdialog.o
#
# hostprogs-y := qconf
# hostprogs := qconf
# qconf-cxxobjs := qconf.o
# qconf-objs := menu.o
# Will compile qconf as a C++ program, and menu as a C program.
# They are linked as C++ code to the executable qconf
__hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
__hostprogs := $(sort $(hostprogs))
host-cshlib := $(sort $(hostlibs-y) $(hostlibs-m))
host-cxxshlib := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m))

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@@ -4,6 +4,8 @@ asflags-y += $(EXTRA_AFLAGS)
ccflags-y += $(EXTRA_CFLAGS)
cppflags-y += $(EXTRA_CPPFLAGS)
ldflags-y += $(EXTRA_LDFLAGS)
always-y += $(always)
hostprogs += $(hostprogs-y) $(hostprogs-m)
# flags that take effect in current and sub directories
KBUILD_AFLAGS += $(subdir-asflags-y)
@@ -59,6 +61,8 @@ subdir-obj-y := $(filter %/built-in.a, $(obj-y))
real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))
real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m)))
always-y += $(always-m)
# DTB
# If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built
extra-y += $(dtb-y)
@@ -72,7 +76,7 @@ endif
# Add subdir path
extra-y := $(addprefix $(obj)/,$(extra-y))
always := $(addprefix $(obj)/,$(always))
always-y := $(addprefix $(obj)/,$(always-y))
targets := $(addprefix $(obj)/,$(targets))
modorder := $(addprefix $(obj)/,$(modorder))
obj-m := $(addprefix $(obj)/,$(obj-m))

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@@ -2,5 +2,5 @@
#
# fixdep: used to generate dependency information during build process
hostprogs-y := fixdep
always := $(hostprogs-y)
hostprogs := fixdep
always-y := $(hostprogs)

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@@ -1,8 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
# scripts/dtc makefile
hostprogs-$(CONFIG_DTC) := dtc
always := $(hostprogs-y)
hostprogs := dtc
always-$(CONFIG_DTC) := $(hostprogs)
dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
srcpos.o checks.o util.o

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@@ -23,7 +23,7 @@ $(objtree)/$(obj)/randomize_layout_seed.h: FORCE
targets = randomize_layout_seed.h randomize_layout_hash.h
$(HOSTLIBS)-y := $(foreach p,$(GCC_PLUGIN),$(if $(findstring /,$(p)),,$(p)))
always := $($(HOSTLIBS)-y)
always-y := $($(HOSTLIBS)-y)
$(foreach p,$($(HOSTLIBS)-y:%.so=%),$(eval $(p)-objs := $(p).o))

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@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
hostprogs-y := genksyms
always := $(hostprogs-y)
hostprogs := genksyms
always-y := $(hostprogs)
genksyms-objs := genksyms.o parse.tab.o lex.lex.o

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@@ -157,11 +157,11 @@ HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src)
HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src)
# conf: Used for defconfig, oldconfig and related targets
hostprogs-y += conf
hostprogs += conf
conf-objs := conf.o $(common-objs)
# nconf: Used for the nconfig target based on ncurses
hostprogs-y += nconf
hostprogs += nconf
nconf-objs := nconf.o nconf.gui.o $(common-objs)
HOSTLDLIBS_nconf = $(shell . $(obj)/nconf-cfg && echo $$libs)
@@ -171,7 +171,7 @@ HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/nconf-cfg && echo $$cflags)
$(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg
# mconf: Used for the menuconfig target based on lxdialog
hostprogs-y += mconf
hostprogs += mconf
lxdialog := $(addprefix lxdialog/, \
checklist.o inputbox.o menubox.o textbox.o util.o yesno.o)
mconf-objs := mconf.o $(lxdialog) $(common-objs)
@@ -183,7 +183,7 @@ $(foreach f, mconf.o $(lxdialog), \
$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg
# qconf: Used for the xconfig target based on Qt
hostprogs-y += qconf
hostprogs += qconf
qconf-cxxobjs := qconf.o
qconf-objs := images.o $(common-objs)
@@ -199,7 +199,7 @@ $(obj)/%.moc: $(src)/%.h $(obj)/qconf-cfg
$(call cmd,moc)
# gconf: Used for the gconfig target based on GTK+
hostprogs-y += gconf
hostprogs += gconf
gconf-objs := gconf.o images.o $(common-objs)
HOSTLDLIBS_gconf = $(shell . $(obj)/gconf-cfg && echo $$libs)

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@@ -1,8 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
OBJECT_FILES_NON_STANDARD := y
hostprogs-y := modpost mk_elfconfig
always := $(hostprogs-y) empty.o
hostprogs := modpost mk_elfconfig
always-y := $(hostprogs) empty.o
modpost-objs := modpost.o file2alias.o sumversion.o

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@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
hostprogs-y := genheaders
hostprogs := genheaders
HOST_EXTRACFLAGS += \
-I$(srctree)/include/uapi -I$(srctree)/include \
-I$(srctree)/security/selinux/include
always := $(hostprogs-y)
always-y := $(hostprogs)

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@@ -1,8 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
hostprogs-y := mdp
hostprogs := mdp
HOST_EXTRACFLAGS += \
-I$(srctree)/include/uapi -I$(srctree)/include \
-I$(srctree)/security/selinux/include -I$(objtree)/include
always := $(hostprogs-y)
always-y := $(hostprogs)
clean-files := policy.* file_contexts