mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-11-23 18:14:04 +08:00
Kbuild updates for v5.2
- allow users to invoke 'make' out of the source tree - refactor scripts/mkmakefile - deprecate KBUILD_SRC, which was used to track the source tree location for O= build. - fix recordmcount.pl in case objdump output is localized - turn unresolved symbols in external modules to errors from warnings by default; pass KBUILD_MODPOST_WARN=1 to get them back to warnings - generate modules.builtin.modinfo to collect .modinfo data from built-in modules - misc Makefile cleanups -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJc0upmAAoJED2LAQed4NsGreoP/jkKQojVdzTjM/nn/Xe9FrE9 elQ59Wu/gW/q7jouN733WTJ2fRPAEVaGPw/CT/cCRWjNJjd6MM4voDKVxifZE+u4 qz5XUGq4Mjozd0MJdU1LA1dIRJrEaPofOj7E0JEIerEdLPKpv4kjCCbbHOZwN2Kl YrpPFJkYspCRVG+txEWY8YaZeU/+OAdNckJnMkX8hnUwsNplAlPw4L/5Y12Uncuz 7g/3T1f701pJhStoO4OPR/+Rivi0EX5AP7TZyv2/FOwTO+Oau5G1rF0j1BT0+ceg d+bApuaHLR4ocZ6GvWfACMYhH7ais0BUgAwi6HY/b78SGMmNB6xlD5biVqcklx6c mjrPNaj6WJEQIflZ3yr83tRNhTu7xXRKZkrGHHUjOGNsRULuD8RFrXtusl06A22S hA3vt2SF4FuLBabPw5yFkKNOTX+P5dG79BC1fWIQjglBGoYqWTRQNYoottr/7t2T Si+E6J2lAD0EDNuc/EFKWfrgONfatgcdgQuTibwCcE2KfYnMG/C+9DvxRV4lAQtn fYpap9gws+0AisbVx0m1W088NMFiwrMbN3n3KITGY/15XDmeySEA1QgPKFN8JHJd Do0duaMx8BHjkA5ms/Bf0AZd0tWUkWVdt0epwU2KafWNGK7VaPnhKxn5eQOGkWV+ gT3J3XZc3b7OEOQ4XX3Z =zj9w -----END PGP SIGNATURE----- Merge tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - allow users to invoke 'make' out of the source tree - refactor scripts/mkmakefile - deprecate KBUILD_SRC, which was used to track the source tree location for O= build. - fix recordmcount.pl in case objdump output is localized - turn unresolved symbols in external modules to errors from warnings by default; pass KBUILD_MODPOST_WARN=1 to get them back to warnings - generate modules.builtin.modinfo to collect .modinfo data from built-in modules - misc Makefile cleanups * tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (21 commits) .gitignore: add more all*.config patterns moduleparam: Save information about built-in modules in separate file Remove MODULE_ALIAS() calls that take undefined macro .gitignore: add leading and trailing slashes to generated directories scripts/tags.sh: fix direct execution of scripts/tags.sh scripts: override locale from environment when running recordmcount.pl samples: kobject: allow CONFIG_SAMPLE_KOBJECT to become y samples: seccomp: turn CONFIG_SAMPLE_SECCOMP into a bool option kbuild: move Documentation to vmlinux-alldirs kbuild: move samples/ to KBUILD_VMLINUX_OBJS modpost: make KBUILD_MODPOST_WARN also configurable for external modules kbuild: check arch/$(SRCARCH)/include/generated before out-of-tree build kbuild: remove unneeded dependency for include/config/kernel.release memory: squash drivers/memory/Makefile.asm-offsets kbuild: use $(srctree) instead of KBUILD_SRC to check out-of-tree build kbuild: mkmakefile: generate a simple wrapper of top Makefile kbuild: mkmakefile: do not check the generated Makefile marker kbuild: allow Kbuild to start from any directory kbuild: pass $(MAKECMDGOALS) to sub-make as is kbuild: fix warning "overriding recipe for target 'Makefile'" ...
This commit is contained in:
Linus Torvalds
commit
2646719a48
16
.gitignore
vendored
16
.gitignore
vendored
@ -58,6 +58,7 @@ modules.builtin
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||||
/vmlinuz
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/System.map
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/Module.markers
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/modules.builtin.modinfo
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#
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||||
# RPM spec file (make rpm-pkg)
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||||
@ -90,10 +91,10 @@ modules.builtin
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#
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||||
# Generated include files
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#
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||||
include/config
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||||
include/generated
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||||
include/ksym
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arch/*/include/generated
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/include/config/
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/include/generated/
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/include/ksym/
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/arch/*/include/generated/
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# stgit generated dirs
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patches-*
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@ -129,7 +130,12 @@ signing_key.x509
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x509.genkey
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# Kconfig presets
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all.config
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/all.config
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/alldef.config
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/allmod.config
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/allno.config
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/allrandom.config
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/allyes.config
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# Kdevelop4
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*.kdev4
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@ -179,6 +179,7 @@ mktree
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mkutf8data
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modpost
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modules.builtin
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modules.builtin.modinfo
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modules.order
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modversions.h*
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nconf
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@ -11,6 +11,11 @@ modules.builtin
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This file lists all modules that are built into the kernel. This is used
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by modprobe to not fail when trying to load something builtin.
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modules.builtin.modinfo
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--------------------------------------------------
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This file contains modinfo from all modules that are built into the kernel.
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Unlike modinfo of a separate module, all fields are prefixed with module name.
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Environment variables
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146
Makefile
146
Makefile
@ -96,56 +96,65 @@ endif
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export quiet Q KBUILD_VERBOSE
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# kbuild supports saving output files in a separate directory.
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# To locate output files in a separate directory two syntaxes are supported.
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# In both cases the working directory must be the root of the kernel src.
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# Kbuild will save output files in the current working directory.
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# This does not need to match to the root of the kernel source tree.
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#
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# For example, you can do this:
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#
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# cd /dir/to/store/output/files; make -f /dir/to/kernel/source/Makefile
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#
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# If you want to save output files in a different location, there are
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# two syntaxes to specify it.
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#
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# 1) O=
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# Use "make O=dir/to/store/output/files/"
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#
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# 2) Set KBUILD_OUTPUT
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# Set the environment variable KBUILD_OUTPUT to point to the directory
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# where the output files shall be placed.
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# export KBUILD_OUTPUT=dir/to/store/output/files/
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# make
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# Set the environment variable KBUILD_OUTPUT to point to the output directory.
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# export KBUILD_OUTPUT=dir/to/store/output/files/; make
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#
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# The O= assignment takes precedence over the KBUILD_OUTPUT environment
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# variable.
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|
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# KBUILD_SRC is not intended to be used by the regular user (for now),
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# it is set on invocation of make with KBUILD_OUTPUT or O= specified.
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# OK, Make called in directory where kernel src resides
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# Do we want to locate output files in a separate directory?
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# Do we want to change the working directory?
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ifeq ("$(origin O)", "command line")
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KBUILD_OUTPUT := $(O)
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endif
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|
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ifneq ($(words $(subst :, ,$(CURDIR))), 1)
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$(error main directory cannot contain spaces nor colons)
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ifneq ($(KBUILD_OUTPUT),)
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# Make's built-in functions such as $(abspath ...), $(realpath ...) cannot
|
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# expand a shell special character '~'. We use a somewhat tedious way here.
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abs_objtree := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd)
|
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$(if $(abs_objtree),, \
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$(error failed to create output directory "$(KBUILD_OUTPUT)"))
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|
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# $(realpath ...) resolves symlinks
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abs_objtree := $(realpath $(abs_objtree))
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else
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abs_objtree := $(CURDIR)
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endif # ifneq ($(KBUILD_OUTPUT),)
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|
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ifeq ($(abs_objtree),$(CURDIR))
|
||||
# Suppress "Entering directory ..." unless we are changing the work directory.
|
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MAKEFLAGS += --no-print-directory
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else
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need-sub-make := 1
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endif
|
||||
|
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ifneq ($(KBUILD_OUTPUT),)
|
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# check that the output directory actually exists
|
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saved-output := $(KBUILD_OUTPUT)
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KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \
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&& pwd)
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$(if $(KBUILD_OUTPUT),, \
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$(error failed to create output directory "$(saved-output)"))
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abs_srctree := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
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|
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ifneq ($(words $(subst :, ,$(abs_srctree))), 1)
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$(error source directory cannot contain spaces or colons)
|
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endif
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|
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ifneq ($(abs_srctree),$(abs_objtree))
|
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# Look for make include files relative to root of kernel src
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#
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# This does not become effective immediately because MAKEFLAGS is re-parsed
|
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# once after the Makefile is read. It is OK since we are going to invoke
|
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# 'sub-make' below.
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MAKEFLAGS += --include-dir=$(CURDIR)
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|
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# once after the Makefile is read. We need to invoke sub-make.
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MAKEFLAGS += --include-dir=$(abs_srctree)
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need-sub-make := 1
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else
|
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|
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# Do not print "Entering directory ..." at all for in-tree build.
|
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MAKEFLAGS += --no-print-directory
|
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|
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endif # ifneq ($(KBUILD_OUTPUT),)
|
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endif
|
||||
|
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ifneq ($(filter 3.%,$(MAKE_VERSION)),)
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# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x
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@ -155,20 +164,19 @@ need-sub-make := 1
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$(lastword $(MAKEFILE_LIST)): ;
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endif
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|
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export abs_srctree abs_objtree
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export sub_make_done := 1
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|
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ifeq ($(need-sub-make),1)
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|
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PHONY += $(MAKECMDGOALS) sub-make
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$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
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$(filter-out _all sub-make $(lastword $(MAKEFILE_LIST)), $(MAKECMDGOALS)) _all: sub-make
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@:
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|
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# Invoke a second make in the output directory, passing relevant variables
|
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sub-make:
|
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$(Q)$(MAKE) \
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$(if $(KBUILD_OUTPUT),-C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR)) \
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-f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS))
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$(Q)$(MAKE) -C $(abs_objtree) -f $(abs_srctree)/Makefile $(MAKECMDGOALS)
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|
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endif # need-sub-make
|
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endif # sub_make_done
|
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@ -213,16 +221,21 @@ ifeq ("$(origin M)", "command line")
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KBUILD_EXTMOD := $(M)
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endif
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|
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ifeq ($(KBUILD_SRC),)
|
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ifeq ($(abs_srctree),$(abs_objtree))
|
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# building in the source tree
|
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srctree := .
|
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else
|
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ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR)))
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ifeq ($(abs_srctree)/,$(dir $(abs_objtree)))
|
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# building in a subdirectory of the source tree
|
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srctree := ..
|
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else
|
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srctree := $(KBUILD_SRC)
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srctree := $(abs_srctree)
|
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endif
|
||||
|
||||
# TODO:
|
||||
# KBUILD_SRC is only used to distinguish in-tree/out-of-tree build.
|
||||
# Replace it with $(srctree) or something.
|
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KBUILD_SRC := $(abs_srctree)
|
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endif
|
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|
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export KBUILD_CHECKSRC KBUILD_EXTMOD KBUILD_SRC
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@ -436,7 +449,7 @@ USERINCLUDE := \
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LINUXINCLUDE := \
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-I$(srctree)/arch/$(SRCARCH)/include \
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-I$(objtree)/arch/$(SRCARCH)/include/generated \
|
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$(if $(KBUILD_SRC), -I$(srctree)/include) \
|
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$(if $(filter .,$(srctree)),,-I$(srctree)/include) \
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-I$(objtree)/include \
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$(USERINCLUDE)
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||||
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||||
@ -497,7 +510,7 @@ PHONY += outputmakefile
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# At the same time when output Makefile generated, generate .gitignore to
|
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# ignore whole output directory
|
||||
outputmakefile:
|
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ifneq ($(KBUILD_SRC),)
|
||||
ifneq ($(srctree),.)
|
||||
$(Q)ln -fsn $(srctree) source
|
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree)
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$(Q)test -e .gitignore || \
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@ -520,15 +533,6 @@ KBUILD_AFLAGS += $(CLANG_FLAGS)
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export CLANG_FLAGS
|
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endif
|
||||
|
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RETPOLINE_CFLAGS_GCC := -mindirect-branch=thunk-extern -mindirect-branch-register
|
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RETPOLINE_VDSO_CFLAGS_GCC := -mindirect-branch=thunk-inline -mindirect-branch-register
|
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RETPOLINE_CFLAGS_CLANG := -mretpoline-external-thunk
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RETPOLINE_VDSO_CFLAGS_CLANG := -mretpoline
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RETPOLINE_CFLAGS := $(call cc-option,$(RETPOLINE_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_CFLAGS_CLANG)))
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RETPOLINE_VDSO_CFLAGS := $(call cc-option,$(RETPOLINE_VDSO_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_VDSO_CFLAGS_CLANG)))
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export RETPOLINE_CFLAGS
|
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export RETPOLINE_VDSO_CFLAGS
|
||||
|
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# The expansion should be delayed until arch/$(SRCARCH)/Makefile is included.
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# Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile.
|
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# CC_VERSION_TEXT is referenced from Kconfig (so it needs export),
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@ -595,20 +599,21 @@ endif
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||||
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export KBUILD_MODULES KBUILD_BUILTIN
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|
||||
ifeq ($(dot-config),1)
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include include/config/auto.conf
|
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endif
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||||
|
||||
ifeq ($(KBUILD_EXTMOD),)
|
||||
# Objects we will link into vmlinux / subdirs we need to visit
|
||||
init-y := init/
|
||||
drivers-y := drivers/ sound/
|
||||
drivers-$(CONFIG_SAMPLES) += samples/
|
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net-y := net/
|
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libs-y := lib/
|
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core-y := usr/
|
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virt-y := virt/
|
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endif # KBUILD_EXTMOD
|
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|
||||
ifeq ($(dot-config),1)
|
||||
include include/config/auto.conf
|
||||
endif
|
||||
|
||||
# The all: target is the default when no target is given on the
|
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# command line.
|
||||
# This allow a user to issue only 'make' to build a kernel including modules
|
||||
@ -625,6 +630,15 @@ ifdef CONFIG_FUNCTION_TRACER
|
||||
CC_FLAGS_FTRACE := -pg
|
||||
endif
|
||||
|
||||
RETPOLINE_CFLAGS_GCC := -mindirect-branch=thunk-extern -mindirect-branch-register
|
||||
RETPOLINE_VDSO_CFLAGS_GCC := -mindirect-branch=thunk-inline -mindirect-branch-register
|
||||
RETPOLINE_CFLAGS_CLANG := -mretpoline-external-thunk
|
||||
RETPOLINE_VDSO_CFLAGS_CLANG := -mretpoline
|
||||
RETPOLINE_CFLAGS := $(call cc-option,$(RETPOLINE_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_CFLAGS_CLANG)))
|
||||
RETPOLINE_VDSO_CFLAGS := $(call cc-option,$(RETPOLINE_VDSO_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_VDSO_CFLAGS_CLANG)))
|
||||
export RETPOLINE_CFLAGS
|
||||
export RETPOLINE_VDSO_CFLAGS
|
||||
|
||||
# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default
|
||||
# values of the respective KBUILD_* variables
|
||||
ARCH_CPPFLAGS :=
|
||||
@ -985,8 +999,9 @@ vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
|
||||
$(core-y) $(core-m) $(drivers-y) $(drivers-m) \
|
||||
$(net-y) $(net-m) $(libs-y) $(libs-m) $(virt-y)))
|
||||
|
||||
vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \
|
||||
$(init-) $(core-) $(drivers-) $(net-) $(libs-) $(virt-))))
|
||||
vmlinux-alldirs := $(sort $(vmlinux-dirs) Documentation \
|
||||
$(patsubst %/,%,$(filter %/, $(init-) $(core-) \
|
||||
$(drivers-) $(net-) $(libs-) $(virt-))))
|
||||
|
||||
init-y := $(patsubst %/, %/built-in.a, $(init-y))
|
||||
core-y := $(patsubst %/, %/built-in.a, $(core-y))
|
||||
@ -1003,7 +1018,7 @@ export KBUILD_VMLINUX_LIBS := $(libs-y1)
|
||||
export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds
|
||||
export LDFLAGS_vmlinux
|
||||
# used by scripts/package/Makefile
|
||||
export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) arch Documentation include samples scripts tools)
|
||||
export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) arch include scripts tools)
|
||||
|
||||
vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_OBJS) $(KBUILD_VMLINUX_LIBS)
|
||||
|
||||
@ -1040,11 +1055,8 @@ vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE
|
||||
|
||||
targets := vmlinux
|
||||
|
||||
# Build samples along the rest of the kernel. This needs headers_install.
|
||||
ifdef CONFIG_SAMPLES
|
||||
vmlinux-dirs += samples
|
||||
# Some samples need headers_install.
|
||||
samples: headers_install
|
||||
endif
|
||||
|
||||
# The actual objects are generated when descending,
|
||||
# make sure no implicit rule kicks in
|
||||
@ -1064,7 +1076,7 @@ filechk_kernel.release = \
|
||||
echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
|
||||
|
||||
# Store (new) KERNELRELEASE string in include/config/kernel.release
|
||||
include/config/kernel.release: $(srctree)/Makefile FORCE
|
||||
include/config/kernel.release: FORCE
|
||||
$(call filechk,kernel.release)
|
||||
|
||||
# Additional helpers built in scripts/
|
||||
@ -1086,9 +1098,11 @@ PHONY += prepare archprepare prepare1 prepare3
|
||||
# and if so do:
|
||||
# 1) Check that make has not been executed in the kernel src $(srctree)
|
||||
prepare3: include/config/kernel.release
|
||||
ifneq ($(KBUILD_SRC),)
|
||||
ifneq ($(srctree),.)
|
||||
@$(kecho) ' Using $(srctree) as source for kernel'
|
||||
$(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
|
||||
$(Q)if [ -f $(srctree)/.config -o \
|
||||
-d $(srctree)/include/config -o \
|
||||
-d $(srctree)/arch/$(SRCARCH)/include/generated ]; then \
|
||||
echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \
|
||||
echo >&2 " in the '$(srctree)' directory.";\
|
||||
/bin/false; \
|
||||
@ -1304,6 +1318,7 @@ _modinst_:
|
||||
fi
|
||||
@cp -f $(objtree)/modules.order $(MODLIB)/
|
||||
@cp -f $(objtree)/modules.builtin $(MODLIB)/
|
||||
@cp -f $(objtree)/modules.builtin.modinfo $(MODLIB)/
|
||||
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
|
||||
|
||||
# This depmod is only for convenience to give the initial
|
||||
@ -1344,10 +1359,11 @@ endif # CONFIG_MODULES
|
||||
|
||||
# Directories & files removed with 'make clean'
|
||||
CLEAN_DIRS += $(MODVERDIR) include/ksym
|
||||
CLEAN_FILES += modules.builtin.modinfo
|
||||
|
||||
# Directories & files removed with 'make mrproper'
|
||||
MRPROPER_DIRS += include/config usr/include include/generated \
|
||||
arch/*/include/generated .tmp_objdiff
|
||||
arch/$(SRCARCH)/include/generated .tmp_objdiff
|
||||
MRPROPER_FILES += .config .config.old .version \
|
||||
Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
|
||||
signing_key.pem signing_key.priv signing_key.x509 \
|
||||
@ -1358,7 +1374,7 @@ MRPROPER_FILES += .config .config.old .version \
|
||||
#
|
||||
clean: rm-dirs := $(CLEAN_DIRS)
|
||||
clean: rm-files := $(CLEAN_FILES)
|
||||
clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs) Documentation samples)
|
||||
clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs))
|
||||
|
||||
PHONY += $(clean-dirs) clean archclean vmlinuxclean
|
||||
$(clean-dirs):
|
||||
|
||||
@ -1449,7 +1449,6 @@ static void __exit omap_system_dma_exit(void)
|
||||
|
||||
MODULE_DESCRIPTION("OMAP SYSTEM DMA DRIVER");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("platform:" DRIVER_NAME);
|
||||
MODULE_AUTHOR("Texas Instruments Inc");
|
||||
|
||||
/*
|
||||
|
||||
@ -970,5 +970,4 @@ module_platform_driver(omap_dm_timer_driver);
|
||||
|
||||
MODULE_DESCRIPTION("OMAP Dual-Mode Timer Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("platform:" DRIVER_NAME);
|
||||
MODULE_AUTHOR("Texas Instruments Inc");
|
||||
|
||||
@ -28,6 +28,9 @@ ti-emif-sram-objs := ti-emif-pm.o ti-emif-sram-pm.o
|
||||
|
||||
AFLAGS_ti-emif-sram-pm.o :=-Wa,-march=armv7-a
|
||||
|
||||
include drivers/memory/Makefile.asm-offsets
|
||||
|
||||
drivers/memory/ti-emif-sram-pm.o: include/generated/ti-emif-asm-offsets.h
|
||||
|
||||
include/generated/ti-emif-asm-offsets.h: drivers/memory/emif-asm-offsets.s FORCE
|
||||
$(call filechk,offsets,__TI_EMIF_ASM_OFFSETS_H__)
|
||||
|
||||
targets += emif-asm-offsets.s
|
||||
|
||||
@ -1,4 +0,0 @@
|
||||
include/generated/ti-emif-asm-offsets.h: drivers/memory/emif-asm-offsets.s FORCE
|
||||
$(call filechk,offsets,__TI_EMIF_ASM_OFFSETS_H__)
|
||||
|
||||
targets += emif-asm-offsets.s
|
||||
@ -459,7 +459,6 @@ EXPORT_SYMBOL_GPL(omap_tll_disable);
|
||||
|
||||
MODULE_AUTHOR("Keshava Munegowda <keshava_mgowda@ti.com>");
|
||||
MODULE_AUTHOR("Roger Quadros <rogerq@ti.com>");
|
||||
MODULE_ALIAS("platform:" USBHS_DRIVER_NAME);
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_DESCRIPTION("usb tll driver for TI OMAP EHCI and OHCI controllers");
|
||||
|
||||
|
||||
@ -844,6 +844,7 @@
|
||||
EXIT_CALL \
|
||||
*(.discard) \
|
||||
*(.discard.*) \
|
||||
*(.modinfo) \
|
||||
}
|
||||
|
||||
/**
|
||||
|
||||
@ -253,6 +253,7 @@ extern typeof(name) __mod_##type##__##name##_device_table \
|
||||
#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
|
||||
#else
|
||||
#define MODULE_VERSION(_version) \
|
||||
MODULE_INFO(version, _version); \
|
||||
static struct module_version_attribute ___modver_attr = { \
|
||||
.mattr = { \
|
||||
.attr = { \
|
||||
|
||||
@ -10,23 +10,21 @@
|
||||
module name. */
|
||||
#ifdef MODULE
|
||||
#define MODULE_PARAM_PREFIX /* empty */
|
||||
#define __MODULE_INFO_PREFIX /* empty */
|
||||
#else
|
||||
#define MODULE_PARAM_PREFIX KBUILD_MODNAME "."
|
||||
/* We cannot use MODULE_PARAM_PREFIX because some modules override it. */
|
||||
#define __MODULE_INFO_PREFIX KBUILD_MODNAME "."
|
||||
#endif
|
||||
|
||||
/* Chosen so that structs with an unsigned long line up. */
|
||||
#define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long))
|
||||
|
||||
#ifdef MODULE
|
||||
#define __MODULE_INFO(tag, name, info) \
|
||||
static const char __UNIQUE_ID(name)[] \
|
||||
__used __attribute__((section(".modinfo"), unused, aligned(1))) \
|
||||
= __stringify(tag) "=" info
|
||||
#else /* !MODULE */
|
||||
/* This struct is here for syntactic coherency, it is not used */
|
||||
#define __MODULE_INFO(tag, name, info) \
|
||||
struct __UNIQUE_ID(name) {}
|
||||
#endif
|
||||
= __MODULE_INFO_PREFIX __stringify(tag) "=" info
|
||||
|
||||
#define __MODULE_PARM_TYPE(name, _type) \
|
||||
__MODULE_INFO(parmtype, name##type, #name ":" _type)
|
||||
|
||||
|
||||
@ -20,8 +20,7 @@ config SAMPLE_TRACE_PRINTK
|
||||
test various trace_printk() calls from a module.
|
||||
|
||||
config SAMPLE_KOBJECT
|
||||
tristate "Build kobject examples -- loadable modules only"
|
||||
depends on m
|
||||
tristate "Build kobject examples"
|
||||
help
|
||||
This config option will allow you to build a number of
|
||||
different kobject sample modules showing how to use kobjects,
|
||||
@ -103,8 +102,8 @@ config SAMPLE_CONNECTOR
|
||||
See also Documentation/connector/connector.txt
|
||||
|
||||
config SAMPLE_SECCOMP
|
||||
tristate "Build seccomp sample code -- loadable modules only"
|
||||
depends on SECCOMP_FILTER && m
|
||||
bool "Build seccomp sample code"
|
||||
depends on SECCOMP_FILTER
|
||||
help
|
||||
Build samples of seccomp filters using various methods of
|
||||
BPF filter construction.
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
# Makefile for Linux samples code
|
||||
|
||||
obj-$(CONFIG_SAMPLES) += kobject/ kprobes/ trace_events/ livepatch/ \
|
||||
obj-y += kobject/ kprobes/ trace_events/ livepatch/ \
|
||||
hw_breakpoint/ kfifo/ kdb/ hidraw/ rpmsg/ seccomp/ \
|
||||
configfs/ connector/ v4l/ trace_printk/ \
|
||||
vfio-mdev/ vfs/ qmi/ binderfs/ pidfd/
|
||||
|
||||
@ -40,5 +40,5 @@ HOSTLDLIBS_bpf-fancy += $(MFLAG)
|
||||
HOSTLDLIBS_dropper += $(MFLAG)
|
||||
HOSTLDLIBS_user-trap += $(MFLAG)
|
||||
endif
|
||||
always := $(hostprogs-m)
|
||||
always := $(hostprogs-y)
|
||||
endif
|
||||
|
||||
@ -504,7 +504,7 @@ existing-targets := $(wildcard $(sort $(targets)))
|
||||
|
||||
-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
|
||||
|
||||
ifneq ($(KBUILD_SRC),)
|
||||
ifneq ($(srctree),.)
|
||||
# Create directories for object files if they do not exist
|
||||
obj-dirs := $(sort $(obj) $(patsubst %/,%, $(dir $(targets))))
|
||||
# If targets exist, their directories apparently exist. Skip mkdir.
|
||||
|
||||
@ -71,7 +71,7 @@ __hostc_flags = $(_hostc_flags)
|
||||
__hostcxx_flags = $(_hostcxx_flags)
|
||||
|
||||
ifeq ($(KBUILD_EXTMOD),)
|
||||
ifneq ($(KBUILD_SRC),)
|
||||
ifneq ($(srctree),.)
|
||||
__hostc_flags = -I$(obj) $(call flags,_hostc_flags)
|
||||
__hostcxx_flags = -I$(obj) $(call flags,_hostcxx_flags)
|
||||
endif
|
||||
|
||||
@ -144,7 +144,7 @@ __cpp_flags = $(_cpp_flags)
|
||||
# If building the kernel in a separate objtree expand all occurrences
|
||||
# of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').
|
||||
ifeq ($(KBUILD_EXTMOD),)
|
||||
ifneq ($(KBUILD_SRC),)
|
||||
ifneq ($(srctree),.)
|
||||
|
||||
# -I$(obj) locates generated .h files
|
||||
# $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files
|
||||
|
||||
@ -15,7 +15,7 @@ include include/config/tristate.conf
|
||||
|
||||
include scripts/Kbuild.include
|
||||
|
||||
ifneq ($(KBUILD_SRC),)
|
||||
ifneq ($(srctree),.)
|
||||
# Create output directory if not already present
|
||||
_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
|
||||
endif
|
||||
|
||||
@ -78,7 +78,7 @@ modpost = scripts/mod/modpost \
|
||||
$(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(KBUILD_EXTRA_SYMBOLS))) \
|
||||
$(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
|
||||
$(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E) \
|
||||
$(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w)
|
||||
$(if $(KBUILD_MODPOST_WARN),-w)
|
||||
|
||||
MODPOST_OPT=$(subst -i,-n,$(filter -i,$(MAKEFLAGS)))
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
# SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
ifneq ($(KBUILD_SRC),)
|
||||
ifneq ($(srctree),.)
|
||||
|
||||
symlinks := $(patsubst $(srctree)/$(src)/%,%,$(wildcard $(srctree)/$(src)/*.py))
|
||||
|
||||
|
||||
@ -212,6 +212,9 @@ modpost_link vmlinux.o
|
||||
# modpost vmlinux.o to check for section mismatches
|
||||
${MAKE} -f "${srctree}/scripts/Makefile.modpost" vmlinux.o
|
||||
|
||||
info MODINFO modules.builtin.modinfo
|
||||
${OBJCOPY} -j .modinfo -O binary vmlinux.o modules.builtin.modinfo
|
||||
|
||||
kallsymso=""
|
||||
kallsyms_vmlinux=""
|
||||
if [ -n "${CONFIG_KALLSYMS}" ]; then
|
||||
|
||||
@ -7,33 +7,11 @@
|
||||
# Usage
|
||||
# $1 - Kernel src directory
|
||||
|
||||
# Only overwrite automatically generated Makefiles
|
||||
# (so we do not overwrite kernel Makefile)
|
||||
if test -e Makefile && ! grep -q Automatically Makefile
|
||||
then
|
||||
exit 0
|
||||
fi
|
||||
if [ "${quiet}" != "silent_" ]; then
|
||||
echo " GEN Makefile"
|
||||
fi
|
||||
|
||||
cat << EOF > Makefile
|
||||
# Automatically generated by $0: don't edit
|
||||
|
||||
ifeq ("\$(origin V)", "command line")
|
||||
VERBOSE := \$(V)
|
||||
endif
|
||||
ifneq (\$(VERBOSE),1)
|
||||
Q := @
|
||||
endif
|
||||
|
||||
MAKEFLAGS += --no-print-directory
|
||||
|
||||
.PHONY: __sub-make \$(MAKECMDGOALS)
|
||||
|
||||
__sub-make:
|
||||
\$(Q)\$(MAKE) -C $1 O=\$(CURDIR) \$(MAKECMDGOALS)
|
||||
|
||||
\$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make
|
||||
@:
|
||||
# Automatically generated by $(realpath $0): don't edit
|
||||
include $(realpath $1/Makefile)
|
||||
EOF
|
||||
|
||||
@ -496,7 +496,7 @@ sub update_funcs
|
||||
#
|
||||
# Step 2: find the sections and mcount call sites
|
||||
#
|
||||
open(IN, "$objdump -hdr $inputfile|") || die "error running $objdump";
|
||||
open(IN, "LANG=C $objdump -hdr $inputfile|") || die "error running $objdump";
|
||||
|
||||
my $text;
|
||||
|
||||
|
||||
@ -19,7 +19,7 @@ ignore="$ignore ( -name *.mod.c ) -prune -o"
|
||||
# Do not use full path if we do not use O=.. builds
|
||||
# Use make O=. {tags|cscope}
|
||||
# to force full paths for a non-O= build
|
||||
if [ "${KBUILD_SRC}" = "" ]; then
|
||||
if [ "${srctree}" = "." -o -z "${srctree}" ]; then
|
||||
tree=
|
||||
else
|
||||
tree=${srctree}/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user