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b24413180 License cleanup: ... |
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# SPDX-License-Identifier: GPL-2.0 |
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VERSION = 5 |
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PATCHLEVEL = 9 |
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SUBLEVEL = 0 |
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EXTRAVERSION = -rc1 |
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NAME = Kleptomaniac Octopus |
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# *DOCUMENTATION* # To see a list of typical targets execute "make help" # More info can be located in ./README # Comments in this file are targeted only to the developer, do not # expect to learn how to build the kernel reading this file. |
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$(if $(filter __%, $(MAKECMDGOALS)), \ $(error targets prefixed with '__' are only for internal use)) |
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# That's our default target when none is given on the command line |
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PHONY := __all __all: |
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# We are using a recursive build, so we need to do a little thinking # to get the ordering right. # # Most importantly: sub-Makefiles should only ever modify files in # their own directory. If in some directory we have a dependency on # a file in another dir (which doesn't happen often, but it's often |
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# unavoidable when linking the built-in.a targets which finally |
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# turn into vmlinux), we will call a sub make in that other dir, and # after that we are sure that everything which is in that other dir # is now up to date. # # The only cases where we need to modify files which have global # effects are thus separated out and done before the recursive # descending is started. They are now explicitly listed as the # prepare rule. |
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ifneq ($(sub_make_done),1) |
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# Do not use make's built-in rules and variables # (this increases performance and avoids hard-to-debug behaviour) MAKEFLAGS += -rR # Avoid funny character set dependencies unexport LC_ALL LC_COLLATE=C LC_NUMERIC=C export LC_COLLATE LC_NUMERIC # Avoid interference with shell env settings unexport GREP_OPTIONS |
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# Beautify output # --------------------------------------------------------------------------- # # Normally, we echo the whole command before executing it. By making # that echo $($(quiet)$(cmd)), we now have the possibility to set # $(quiet) to choose other forms of output instead, e.g. # # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< # # If $(quiet) is empty, the whole command will be printed. # If it is set to "quiet_", only the short version will be printed. # If it is set to "silent_", nothing will be printed at all, since # the variable $(silent_cmd_cc_o_c) doesn't exist. # # A simple variant is to prefix commands with $(Q) - that's useful # for commands that shall be hidden in non-verbose mode. # # $(Q)ln $@ :< # # If KBUILD_VERBOSE equals 0 then the above command will be hidden. # If KBUILD_VERBOSE equals 1 then the above command is displayed. |
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# If KBUILD_VERBOSE equals 2 then give the reason why each target is rebuilt. |
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# |
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# To put more focus on warnings, be less verbose as default # Use 'make V=1' to see the full commands |
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ifeq ("$(origin V)", "command line") KBUILD_VERBOSE = $(V) |
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endif ifndef KBUILD_VERBOSE KBUILD_VERBOSE = 0 endif |
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ifeq ($(KBUILD_VERBOSE),1) quiet = Q = else quiet=quiet_ Q = @ endif # If the user is running make -s (silent mode), suppress echoing of # commands |
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ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) |
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quiet=silent_ endif |
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export quiet Q KBUILD_VERBOSE |
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# Kbuild will save output files in the current working directory. # This does not need to match to the root of the kernel source tree. # # For example, you can do this: # # cd /dir/to/store/output/files; make -f /dir/to/kernel/source/Makefile # # If you want to save output files in a different location, there are # two syntaxes to specify it. # |
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# 1) O= # Use "make O=dir/to/store/output/files/" |
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# |
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# 2) Set KBUILD_OUTPUT |
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# Set the environment variable KBUILD_OUTPUT to point to the output directory. # export KBUILD_OUTPUT=dir/to/store/output/files/; make |
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# # The O= assignment takes precedence over the KBUILD_OUTPUT environment # variable. |
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# Do we want to change the working directory? |
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ifeq ("$(origin O)", "command line") KBUILD_OUTPUT := $(O) |
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endif |
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ifneq ($(KBUILD_OUTPUT),) # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot # expand a shell special character '~'. We use a somewhat tedious way here. abs_objtree := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd) $(if $(abs_objtree),, \ $(error failed to create output directory "$(KBUILD_OUTPUT)")) # $(realpath ...) resolves symlinks abs_objtree := $(realpath $(abs_objtree)) else abs_objtree := $(CURDIR) endif # ifneq ($(KBUILD_OUTPUT),) ifeq ($(abs_objtree),$(CURDIR)) # Suppress "Entering directory ..." unless we are changing the work directory. MAKEFLAGS += --no-print-directory else need-sub-make := 1 |
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endif |
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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) $(error source directory cannot contain spaces or colons) endif |
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|
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ifneq ($(abs_srctree),$(abs_objtree)) |
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# Look for make include files relative to root of kernel src # # This does not become effective immediately because MAKEFLAGS is re-parsed |
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# once after the Makefile is read. We need to invoke sub-make. MAKEFLAGS += --include-dir=$(abs_srctree) |
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need-sub-make := 1 |
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endif |
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this-makefile := $(lastword $(MAKEFILE_LIST)) |
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ifneq ($(filter 3.%,$(MAKE_VERSION)),) # 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x # We need to invoke sub-make to avoid implicit rules in the top Makefile. need-sub-make := 1 # Cancel implicit rules for this Makefile. |
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$(this-makefile): ; |
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endif |
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export abs_srctree abs_objtree |
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export sub_make_done := 1 |
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ifeq ($(need-sub-make),1) |
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PHONY += $(MAKECMDGOALS) __sub-make |
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|
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$(filter-out $(this-makefile), $(MAKECMDGOALS)) __all: __sub-make |
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@: |
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# Invoke a second make in the output directory, passing relevant variables |
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__sub-make: |
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$(Q)$(MAKE) -C $(abs_objtree) -f $(abs_srctree)/Makefile $(MAKECMDGOALS) |
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|
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endif # need-sub-make |
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endif # sub_make_done |
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# We process the rest of the Makefile if this is the final invocation of make |
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ifeq ($(need-sub-make),) |
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|
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# Do not print "Entering directory ...", # but we want to display it when entering to the output directory # so that IDEs/editors are able to understand relative filenames. MAKEFLAGS += --no-print-directory |
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# Call a source code checker (by default, "sparse") as part of the # C compilation. # # Use 'make C=1' to enable checking of only re-compiled files. # Use 'make C=2' to enable checking of *all* source files, regardless # of whether they are re-compiled or not. # |
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# See the file "Documentation/dev-tools/sparse.rst" for more details, # including where to get the "sparse" utility. |
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ifeq ("$(origin C)", "command line") KBUILD_CHECKSRC = $(C) endif ifndef KBUILD_CHECKSRC KBUILD_CHECKSRC = 0 endif |
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# Use make M=dir or set the environment variable KBUILD_EXTMOD to specify the # directory of external module to build. Setting M= takes precedence. |
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ifeq ("$(origin M)", "command line") KBUILD_EXTMOD := $(M) endif |
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$(if $(word 2, $(KBUILD_EXTMOD)), \ $(error building multiple external modules is not supported)) |
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export KBUILD_CHECKSRC KBUILD_EXTMOD |
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extmod-prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/) |
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ifeq ($(abs_srctree),$(abs_objtree)) |
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# building in the source tree srctree := . |
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building_out_of_srctree := |
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else |
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ifeq ($(abs_srctree)/,$(dir $(abs_objtree))) |
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# building in a subdirectory of the source tree srctree := .. else |
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srctree := $(abs_srctree) |
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endif |
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building_out_of_srctree := 1 |
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endif |
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ifneq ($(KBUILD_ABS_SRCTREE),) srctree := $(abs_srctree) endif |
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|
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objtree := . |
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VPATH := $(srctree) |
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export building_out_of_srctree srctree objtree VPATH |
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# To make sure we do not include .config for any of the *config targets # catch them early, and hand them over to scripts/kconfig/Makefile # It is allowed to specify more targets when calling make, including # mixing *config targets and build targets. # For example 'make oldconfig all'. # Detect when mixed targets is specified, and make a second invocation # of make so .config is not included in this case either (for *config). version_h := include/generated/uapi/linux/version.h old_version_h := include/linux/version.h |
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clean-targets := %clean mrproper cleandocs no-dot-config-targets := $(clean-targets) \ |
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cscope gtags TAGS tags help% %docs check% coccicheck \ |
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$(version_h) headers headers_% archheaders archscripts \ |
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%asm-generic kernelversion %src-pkg dt_binding_check \ outputmakefile |
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no-sync-config-targets := $(no-dot-config-targets) install %install \ kernelrelease |
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single-targets := %.a %.i %.ko %.lds %.ll %.lst %.mod %.o %.s %.symtypes %/ |
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config-build := mixed-build := need-config := 1 may-sync-config := 1 |
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single-build := |
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ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) |
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need-config := |
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endif endif |
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ifneq ($(filter $(no-sync-config-targets), $(MAKECMDGOALS)),) ifeq ($(filter-out $(no-sync-config-targets), $(MAKECMDGOALS)),) |
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may-sync-config := |
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endif endif ifneq ($(KBUILD_EXTMOD),) |
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may-sync-config := |
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endif |
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ifeq ($(KBUILD_EXTMOD),) ifneq ($(filter config %config,$(MAKECMDGOALS)),) |
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config-build := 1 |
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ifneq ($(words $(MAKECMDGOALS)),1) |
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mixed-build := 1 |
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endif endif endif |
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# We cannot build single targets and the others at the same time ifneq ($(filter $(single-targets), $(MAKECMDGOALS)),) single-build := 1 ifneq ($(filter-out $(single-targets), $(MAKECMDGOALS)),) mixed-build := 1 endif endif |
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# For "make -j clean all", "make -j mrproper defconfig all", etc. ifneq ($(filter $(clean-targets),$(MAKECMDGOALS)),) ifneq ($(filter-out $(clean-targets),$(MAKECMDGOALS)),) |
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mixed-build := 1 |
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endif endif |
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# install and modules_install need also be processed one by one ifneq ($(filter install,$(MAKECMDGOALS)),) ifneq ($(filter modules_install,$(MAKECMDGOALS)),) |
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mixed-build := 1 |
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endif endif |
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ifdef mixed-build |
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# =========================================================================== # We're called with mixed targets (*config and build targets). # Handle them one by one. PHONY += $(MAKECMDGOALS) __build_one_by_one |
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$(MAKECMDGOALS): __build_one_by_one |
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@: __build_one_by_one: $(Q)set -e; \ for i in $(MAKECMDGOALS); do \ $(MAKE) -f $(srctree)/Makefile $$i; \ done |
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else # !mixed-build |
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include scripts/Kbuild.include # Read KERNELRELEASE from include/config/kernel.release (if it exists) KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null) KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION |
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include scripts/subarch.include |
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# Cross compiling and selecting different set of gcc/bin-utils # --------------------------------------------------------------------------- # # When performing cross compilation for other architectures ARCH shall be set # to the target architecture. (See arch/* for the possibilities). # ARCH can be set during invocation of make: # make ARCH=ia64 # Another way is to have ARCH set in the environment. # The default ARCH is the host where make is executed. # CROSS_COMPILE specify the prefix used for all executables used # during compilation. Only gcc and related bin-utils executables # are prefixed with $(CROSS_COMPILE). # CROSS_COMPILE can be set on the command line # make CROSS_COMPILE=ia64-linux- # Alternatively CROSS_COMPILE can be set in the environment. # Default value for CROSS_COMPILE is not to prefix executables # Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile |
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ARCH ?= $(SUBARCH) |
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# Architecture as present in compile.h |
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UTS_MACHINE := $(ARCH) SRCARCH := $(ARCH) |
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|
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# Additional ARCH settings for x86 ifeq ($(ARCH),i386) SRCARCH := x86 endif ifeq ($(ARCH),x86_64) SRCARCH := x86 endif |
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|
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# Additional ARCH settings for sparc |
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ifeq ($(ARCH),sparc32) SRCARCH := sparc endif |
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ifeq ($(ARCH),sparc64) |
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SRCARCH := sparc |
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endif |
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# Additional ARCH settings for sh ifeq ($(ARCH),sh64) SRCARCH := sh endif |
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KCONFIG_CONFIG ?= .config |
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export KCONFIG_CONFIG |
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# Default file for 'make defconfig'. This may be overridden by arch-Makefile. export KBUILD_DEFCONFIG := defconfig |
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# SHELL used by kbuild |
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CONFIG_SHELL := sh |
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|
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HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS 2>/dev/null) HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS 2>/dev/null) HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null) |
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ifneq ($(LLVM),) HOSTCC = clang HOSTCXX = clang++ else HOSTCC = gcc HOSTCXX = g++ endif |
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export KBUILD_USERCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \ -O2 -fomit-frame-pointer -std=gnu89 export KBUILD_USERLDFLAGS := KBUILD_HOSTCFLAGS := $(KBUILD_USERCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS) |
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KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS) |
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KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS) KBUILD_HOSTLDLIBS := $(HOST_LFS_LIBS) $(HOSTLDLIBS) |
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# Make variables (CC, etc...) |
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CPP = $(CC) -E |
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ifneq ($(LLVM),) CC = clang LD = ld.lld AR = llvm-ar NM = llvm-nm OBJCOPY = llvm-objcopy OBJDUMP = llvm-objdump READELF = llvm-readelf OBJSIZE = llvm-size STRIP = llvm-strip else CC = $(CROSS_COMPILE)gcc LD = $(CROSS_COMPILE)ld |
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AR = $(CROSS_COMPILE)ar NM = $(CROSS_COMPILE)nm |
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OBJCOPY = $(CROSS_COMPILE)objcopy OBJDUMP = $(CROSS_COMPILE)objdump |
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READELF = $(CROSS_COMPILE)readelf |
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OBJSIZE = $(CROSS_COMPILE)size STRIP = $(CROSS_COMPILE)strip endif |
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PAHOLE = pahole |
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RESOLVE_BTFIDS = $(objtree)/tools/bpf/resolve_btfids/resolve_btfids |
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LEX = flex YACC = bison |
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AWK = awk |
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INSTALLKERNEL := installkernel |
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DEPMOD = /sbin/depmod |
1da177e4c Linux-2.6.12-rc2 |
425 |
PERL = perl |
011bf1254 kbuild: allow to ... |
426 |
PYTHON = python |
e9781b52d kbuild: add PYTHO... |
427 |
PYTHON3 = python3 |
1da177e4c Linux-2.6.12-rc2 |
428 |
CHECK = sparse |
858805b33 kbuild: add $(BAS... |
429 |
BASH = bash |
e4a42c82e kbuild: fix broke... |
430 431 432 |
KGZIP = gzip KBZIP2 = bzip2 KLZOP = lzop |
8dfb61dcb kbuild: add varia... |
433 434 435 |
LZMA = lzma LZ4 = lz4c XZ = xz |
48f7ddf78 init: Add support... |
436 |
ZSTD = zstd |
8dfb61dcb kbuild: add varia... |
437 |
|
80a7d1d99 kbuild: disable s... |
438 |
CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ |
6c49f359c kbuild: disable s... |
439 |
-Wbitwise -Wno-return-void -Wno-unknown-attribute $(CF) |
0c22be071 kbuild: Make NOST... |
440 |
NOSTDINC_FLAGS := |
6588169d5 kbuild: allow ass... |
441 442 443 |
CFLAGS_MODULE = AFLAGS_MODULE = LDFLAGS_MODULE = |
1da177e4c Linux-2.6.12-rc2 |
444 445 |
CFLAGS_KERNEL = AFLAGS_KERNEL = |
b36fad65d kbuild: Initializ... |
446 |
LDFLAGS_vmlinux = |
1da177e4c Linux-2.6.12-rc2 |
447 |
|
abbf1590d UAPI: Partition t... |
448 449 |
# Use USERINCLUDE when you must reference the UAPI directories only. USERINCLUDE := \ |
9d022c540 kbuild: replace $... |
450 451 |
-I$(srctree)/arch/$(SRCARCH)/include/uapi \ -I$(objtree)/arch/$(SRCARCH)/include/generated/uapi \ |
abbf1590d UAPI: Partition t... |
452 |
-I$(srctree)/include/uapi \ |
3308b2856 Kbuild: always pr... |
453 |
-I$(objtree)/include/generated/uapi \ |
abbf1590d UAPI: Partition t... |
454 |
-include $(srctree)/include/linux/kconfig.h |
1da177e4c Linux-2.6.12-rc2 |
455 456 |
# Use LINUXINCLUDE when you must reference the include/ directory. # Needed to be compatible with the O= option |
abbf1590d UAPI: Partition t... |
457 |
LINUXINCLUDE := \ |
9d022c540 kbuild: replace $... |
458 459 |
-I$(srctree)/arch/$(SRCARCH)/include \ -I$(objtree)/arch/$(SRCARCH)/include/generated \ |
051f278e9 kbuild: replace K... |
460 |
$(if $(building_out_of_srctree),-I$(srctree)/include) \ |
f8224f7f4 kbuild: remove du... |
461 462 |
-I$(objtree)/include \ $(USERINCLUDE) |
1da177e4c Linux-2.6.12-rc2 |
463 |
|
42a92bccd kbuild: add -fno-... |
464 |
KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE |
eeb5687a7 kbuild: add -Werr... |
465 |
KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \ |
42a92bccd kbuild: add -fno-... |
466 |
-fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ |
b89f25ea7 kbuild: use -Werr... |
467 |
-Werror=implicit-function-declaration -Werror=implicit-int \ |
51b97e354 kernel: use the g... |
468 |
-Wno-format-security \ |
433dc2ebe kbuild: do not ca... |
469 470 |
-std=gnu89 KBUILD_CPPFLAGS := -D__KERNEL__ |
80c00ba94 kbuild: allow ass... |
471 472 |
KBUILD_AFLAGS_KERNEL := KBUILD_CFLAGS_KERNEL := |
6588169d5 kbuild: allow ass... |
473 474 |
KBUILD_AFLAGS_MODULE := -DMODULE KBUILD_CFLAGS_MODULE := -DMODULE |
10df06385 kbuild: rebuild m... |
475 476 |
KBUILD_LDFLAGS_MODULE := export KBUILD_LDS_MODULE := $(srctree)/scripts/module-common.lds |
d503ac531 kbuild: rename LD... |
477 |
KBUILD_LDFLAGS := |
5241ab4cf kbuild: initializ... |
478 |
CLANG_FLAGS := |
1da177e4c Linux-2.6.12-rc2 |
479 |
|
aa824e0c9 kbuild: remove AS... |
480 |
export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC |
c9a0f3b85 bpf: Resolve BTF ... |
481 |
export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL |
94f7345b7 kbuild: remove PY... |
482 |
export PERL PYTHON PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX |
48f7ddf78 init: Add support... |
483 |
export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD |
7bac98707 kbuild: add OBJSI... |
484 |
export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE |
1da177e4c Linux-2.6.12-rc2 |
485 |
|
d503ac531 kbuild: rename LD... |
486 |
export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS |
0e410e158 kasan: don't emit... |
487 |
export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE |
dfd402a4c kcsan: Add Kernel... |
488 |
export CFLAGS_KASAN CFLAGS_KASAN_NOSANITIZE CFLAGS_UBSAN CFLAGS_KCSAN |
222d394d3 kbuild: enable 'm... |
489 |
export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE |
6588169d5 kbuild: allow ass... |
490 |
export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE |
80c00ba94 kbuild: allow ass... |
491 |
export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL |
1da177e4c Linux-2.6.12-rc2 |
492 |
|
1da177e4c Linux-2.6.12-rc2 |
493 |
# Files to ignore in find ... statements |
ae63b2d7b scripts/tags.sh: ... |
494 495 496 |
export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ -name CVS -o -name .pc -o -name .hg -o -name .git \) \ -prune -o |
450c6076a Makefile: improve... |
497 498 |
export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ --exclude CVS --exclude .pc --exclude .hg --exclude .git |
1da177e4c Linux-2.6.12-rc2 |
499 500 501 |
# =========================================================================== # Rules shared between *config targets and build targets |
312a3d091 kbuild: trivial c... |
502 |
# Basic helpers built in scripts/basic/ |
4f1933620 kbuild: change kb... |
503 |
PHONY += scripts_basic |
1da177e4c Linux-2.6.12-rc2 |
504 505 |
scripts_basic: $(Q)$(MAKE) $(build)=scripts/basic |
638adb056 tracing: Only pri... |
506 |
$(Q)rm -f .tmp_quiet_recordmcount |
1da177e4c Linux-2.6.12-rc2 |
507 |
|
4f1933620 kbuild: change kb... |
508 |
PHONY += outputmakefile |
e8e83a236 kbuild: move the ... |
509 |
# Before starting out-of-tree build, make sure the source tree is clean. |
fd5f0cd6b kbuild: Do not ov... |
510 511 512 |
# outputmakefile generates a Makefile in the output directory, if using a # separate output directory. This allows convenient use of make in the # output directory. |
3a51ff344 kbuild: gitignore... |
513 514 |
# At the same time when output Makefile generated, generate .gitignore to # ignore whole output directory |
1da177e4c Linux-2.6.12-rc2 |
515 |
outputmakefile: |
051f278e9 kbuild: replace K... |
516 |
ifdef building_out_of_srctree |
e8e83a236 kbuild: move the ... |
517 518 519 520 521 522 523 524 525 |
$(Q)if [ -f $(srctree)/.config -o \ -d $(srctree)/include/config -o \ -d $(srctree)/arch/$(SRCARCH)/include/generated ]; then \ echo >&2 "***"; \ echo >&2 "*** The source tree is not clean, please run 'make$(if $(findstring command line, $(origin ARCH)), ARCH=$(ARCH)) mrproper'"; \ echo >&2 "*** in $(abs_srctree)";\ echo >&2 "***"; \ false; \ fi |
929799973 kbuild: create th... |
526 |
$(Q)ln -fsn $(srctree) source |
4fd61277f kbuild: do not pa... |
527 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree) |
156e7cbb3 kbuild: do not ov... |
528 529 |
$(Q)test -e .gitignore || \ { echo "# this is build directory, ignore it"; echo "*"; } > .gitignore |
fd5f0cd6b kbuild: Do not ov... |
530 |
endif |
1da177e4c Linux-2.6.12-rc2 |
531 |
|
995167420 kbuild: remove cc... |
532 |
ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) |
ae6b289a3 kbuild: Set KBUIL... |
533 |
ifneq ($(CROSS_COMPILE),) |
5241ab4cf kbuild: initializ... |
534 |
CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) |
ad15006cc kbuild: clang: ch... |
535 |
GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit)) |
ca9b31f6b Makefile: Fix GCC... |
536 |
CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE)) |
ef8c4ed9d kbuild: allow to ... |
537 |
GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..) |
ae6b289a3 kbuild: Set KBUIL... |
538 539 |
endif ifneq ($(GCC_TOOLCHAIN),) |
238bcbc4e kbuild: consolida... |
540 |
CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN) |
ae6b289a3 kbuild: Set KBUIL... |
541 |
endif |
7e20e47c7 kbuild: replace A... |
542 |
ifneq ($(LLVM_IAS),1) |
238bcbc4e kbuild: consolida... |
543 |
CLANG_FLAGS += -no-integrated-as |
876a06008 kbuild: Add abili... |
544 |
endif |
589834b3a kbuild: Add -Werr... |
545 |
CLANG_FLAGS += -Werror=unknown-warning-option |
238bcbc4e kbuild: consolida... |
546 547 |
KBUILD_CFLAGS += $(CLANG_FLAGS) KBUILD_AFLAGS += $(CLANG_FLAGS) |
3bd980509 Makefile: Export ... |
548 |
export CLANG_FLAGS |
ae6b289a3 kbuild: Set KBUIL... |
549 |
endif |
315bab4e9 kbuild: fix endle... |
550 551 552 553 |
# The expansion should be delayed until arch/$(SRCARCH)/Makefile is included. # Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile. # CC_VERSION_TEXT is referenced from Kconfig (so it needs export), # and from include/config/auto.conf.cmd to detect the compiler upgrade. |
902a6898b kbuild: terminate... |
554 |
CC_VERSION_TEXT = $(shell $(CC) --version 2>/dev/null | head -n 1) |
315bab4e9 kbuild: fix endle... |
555 |
|
2042b5486 kbuild: unset var... |
556 |
ifdef config-build |
1da177e4c Linux-2.6.12-rc2 |
557 558 559 560 561 562 563 |
# =========================================================================== # *config targets only - make sure prerequisites are updated, and descend # in scripts/kconfig to make the *config target # Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. # KBUILD_DEFCONFIG may point out an alternative default configuration # used for 'make defconfig' |
a436bb7b8 kbuild: use relat... |
564 |
include arch/$(SRCARCH)/Makefile |
315bab4e9 kbuild: fix endle... |
565 |
export KBUILD_DEFCONFIG KBUILD_KCONFIG CC_VERSION_TEXT |
1da177e4c Linux-2.6.12-rc2 |
566 |
|
36de077b2 kbuild: check cle... |
567 |
config: outputmakefile scripts_basic FORCE |
31110ebbe kbuild: fix make ... |
568 |
$(Q)$(MAKE) $(build)=scripts/kconfig $@ |
36de077b2 kbuild: check cle... |
569 |
%config: outputmakefile scripts_basic FORCE |
1da177e4c Linux-2.6.12-rc2 |
570 |
$(Q)$(MAKE) $(build)=scripts/kconfig $@ |
2042b5486 kbuild: unset var... |
571 |
else #!config-build |
1da177e4c Linux-2.6.12-rc2 |
572 573 574 |
# =========================================================================== # Build targets only - this includes vmlinux, arch specific targets, clean # targets and others. In general all targets except *config targets. |
2c1f4f125 kbuild: re-order ... |
575 |
# If building an external module we do not care about the all: rule |
121c2a137 kbuild: error out... |
576 |
# but instead __all depend on modules |
2c1f4f125 kbuild: re-order ... |
577 578 |
PHONY += all ifeq ($(KBUILD_EXTMOD),) |
121c2a137 kbuild: error out... |
579 |
__all: all |
2c1f4f125 kbuild: re-order ... |
580 |
else |
121c2a137 kbuild: error out... |
581 |
__all: modules |
2c1f4f125 kbuild: re-order ... |
582 583 584 585 586 587 588 589 590 |
endif # Decide whether to build built-in, modular, or both. # Normally, just do built-in. KBUILD_MODULES := KBUILD_BUILTIN := 1 # If we have only "make modules", don't compile built-in objects. |
2c1f4f125 kbuild: re-order ... |
591 |
ifeq ($(MAKECMDGOALS),modules) |
4b50c8c4e kbuild: force to ... |
592 |
KBUILD_BUILTIN := |
2c1f4f125 kbuild: re-order ... |
593 594 595 596 597 |
endif # If we have "make <whatever> modules", compile modules # in addition to whatever we do anyway. # Just "make" or "make all" shall build modules as well |
121c2a137 kbuild: error out... |
598 |
ifneq ($(filter all modules nsdeps,$(MAKECMDGOALS)),) |
2c1f4f125 kbuild: re-order ... |
599 600 601 602 603 604 605 606 |
KBUILD_MODULES := 1 endif ifeq ($(MAKECMDGOALS),) KBUILD_MODULES := 1 endif export KBUILD_MODULES KBUILD_BUILTIN |
2042b5486 kbuild: unset var... |
607 |
ifdef need-config |
d93a18f27 kbuild: move samp... |
608 609 |
include include/config/auto.conf endif |
1da177e4c Linux-2.6.12-rc2 |
610 |
ifeq ($(KBUILD_EXTMOD),) |
1da177e4c Linux-2.6.12-rc2 |
611 |
# Objects we will link into vmlinux / subdirs we need to visit |
23febe375 kbuild: merge ini... |
612 |
core-y := init/ usr/ |
f96182e95 firmware_loader: ... |
613 |
drivers-y := drivers/ sound/ |
d93a18f27 kbuild: move samp... |
614 |
drivers-$(CONFIG_SAMPLES) += samples/ |
95fb6317b kbuild: merge net... |
615 |
drivers-y += net/ virt/ |
1da177e4c Linux-2.6.12-rc2 |
616 |
libs-y := lib/ |
1da177e4c Linux-2.6.12-rc2 |
617 |
endif # KBUILD_EXTMOD |
315bab4e9 kbuild: fix endle... |
618 619 620 621 622 623 624 625 626 |
# The all: target is the default when no target is given on the # command line. # This allow a user to issue only 'make' to build a kernel including modules # Defaults to vmlinux, but the arch makefile usually adds further targets all: vmlinux CFLAGS_GCOV := -fprofile-arcs -ftest-coverage \ $(call cc-option,-fno-tree-loop-im) \ $(call cc-disable-warning,maybe-uninitialized,) |
5aadfdeb8 kcov: test compil... |
627 |
export CFLAGS_GCOV |
315bab4e9 kbuild: fix endle... |
628 |
|
b1f4ff74f tracing/Makefile:... |
629 630 631 632 |
# The arch Makefiles can override CC_FLAGS_FTRACE. We may also append it later. ifdef CONFIG_FUNCTION_TRACER CC_FLAGS_FTRACE := -pg endif |
669e06b19 kbuild: move RETP... |
633 634 635 636 637 638 639 640 |
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 |
315bab4e9 kbuild: fix endle... |
641 |
include arch/$(SRCARCH)/Makefile |
1da177e4c Linux-2.6.12-rc2 |
642 |
|
2042b5486 kbuild: unset var... |
643 644 |
ifdef need-config ifdef may-sync-config |
315bab4e9 kbuild: fix endle... |
645 646 647 |
# Read in dependencies to all Kconfig* files, make sure to run syncconfig if # changes are detected. This should be included after arch/$(SRCARCH)/Makefile # because some architectures define CROSS_COMPILE there. |
d2f8ae0e4 kbuild: turn auto... |
648 |
include include/config/auto.conf.cmd |
1da177e4c Linux-2.6.12-rc2 |
649 |
|
058507195 kbuild: move ".co... |
650 651 652 653 654 655 656 657 |
$(KCONFIG_CONFIG): @echo >&2 '***' @echo >&2 '*** Configuration file "$@" not found!' @echo >&2 '***' @echo >&2 '*** Please run some configurator (e.g. "make oldconfig" or' @echo >&2 '*** "make menuconfig" or "make xconfig").' @echo >&2 '***' @/bin/false |
1da177e4c Linux-2.6.12-rc2 |
658 |
|
61277981d Makefile: Fix lyi... |
659 660 661 |
# The actual configuration files used during the build are stored in # include/generated/ and include/config/. Update them if .config is newer than # include/config/auto.conf (which mirrors .config). |
9390dff66 kbuild: invoke sy... |
662 663 664 |
# # This exploits the 'multi-target pattern rule' trick. # The syncconfig should be executed only once to make all the targets. |
f463c3510 kbuild: add comme... |
665 |
# (Note: use the grouped target '&:' when we bump to GNU Make 4.3) |
3044dd052 kbuild: invoke sy... |
666 |
%/config/auto.conf %/config/auto.conf.cmd %/generated/autoconf.h: $(KCONFIG_CONFIG) |
911a91c39 kconfig: rename s... |
667 |
$(Q)$(MAKE) -f $(srctree)/Makefile syncconfig |
2042b5486 kbuild: unset var... |
668 |
else # !may-sync-config |
d79424137 kbuild: do not up... |
669 670 671 |
# External modules and some install targets need include/generated/autoconf.h # and include/config/auto.conf but do not care if they are up-to-date. # Use auto.conf to trigger the test |
9ee4e3365 kbuild: external ... |
672 673 674 |
PHONY += include/config/auto.conf include/config/auto.conf: |
264a26838 kbuild: move auto... |
675 |
$(Q)test -e include/generated/autoconf.h -a -e $@ || ( \ |
5369f5502 kbuild: Print err... |
676 677 678 679 680 |
echo >&2; \ echo >&2 " ERROR: Kernel configuration is invalid."; \ echo >&2 " include/generated/autoconf.h or $@ are missing.";\ echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \ echo >&2 ; \ |
9ee4e3365 kbuild: external ... |
681 |
/bin/false) |
d79424137 kbuild: do not up... |
682 |
endif # may-sync-config |
2042b5486 kbuild: unset var... |
683 |
endif # need-config |
1da177e4c Linux-2.6.12-rc2 |
684 |
|
a1c48bb16 Makefile: Fix unr... |
685 |
KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) |
ef6000b4c Disable the __bui... |
686 |
KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) |
bd664f6b3 disable new gcc-7... |
687 688 |
KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) |
6f303d605 gcc-9: silence 'a... |
689 |
KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) |
a1c48bb16 Makefile: Fix unr... |
690 |
|
15f5db60a kbuild,arc: add C... |
691 692 693 694 695 696 |
ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE KBUILD_CFLAGS += -O2 else ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3 KBUILD_CFLAGS += -O3 else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE KBUILD_CFLAGS += -Os |
815eb71e7 Kbuild: disable '... |
697 |
endif |
1da177e4c Linux-2.6.12-rc2 |
698 |
|
69102311a ./Makefile: tell ... |
699 700 |
# Tell gcc to never replace conditional load with a non-conditional one KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) |
b1112139a Makefile: disallo... |
701 |
KBUILD_CFLAGS += $(call cc-option,-fno-allow-store-data-races) |
69102311a ./Makefile: tell ... |
702 |
|
1873e870f debug: Add CONFIG... |
703 704 705 706 707 708 709 710 711 |
ifdef CONFIG_READABLE_ASM # Disable optimizations that make assembler listings hard to read. # reorder blocks reorders the control in the function # ipa clone creates specialized cloned functions # partial inlining inlines only parts of functions KBUILD_CFLAGS += $(call cc-option,-fno-reorder-blocks,) \ $(call cc-option,-fno-ipa-cp-clone,) \ $(call cc-option,-fno-partial-inlining) endif |
08f67461c kbuild: fix detec... |
712 |
ifneq ($(CONFIG_FRAME_WARN),0) |
a83e4ca26 kbuild: remove cc... |
713 |
KBUILD_CFLAGS += -Wframe-larger-than=$(CONFIG_FRAME_WARN) |
35bb5b1e0 Add option to ena... |
714 |
endif |
893ab0043 kbuild: remove cc... |
715 |
stackp-flags-y := -fno-stack-protector |
050e9baa9 Kbuild: rename CC... |
716 717 |
stackp-flags-$(CONFIG_STACKPROTECTOR) := -fstack-protector stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG) := -fstack-protector-strong |
2a61f4747 stack-protector: ... |
718 719 |
KBUILD_CFLAGS += $(stackp-flags-y) |
e06b8b98d kbuild: allow -fs... |
720 |
|
076f421da kbuild: replace c... |
721 |
ifdef CONFIG_CC_IS_CLANG |
a14943043 kbuild: add all C... |
722 723 724 |
KBUILD_CPPFLAGS += -Qunused-arguments KBUILD_CFLAGS += -Wno-format-invalid-specifier KBUILD_CFLAGS += -Wno-gnu |
cfe17c9bb kbuild: move cc-o... |
725 726 727 |
# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the # source of a reference will be _MergedGlobals and not on of the whitelisted names. # See modpost pattern 2 |
a14943043 kbuild: add all C... |
728 |
KBUILD_CFLAGS += -mno-global-merge |
cfe17c9bb kbuild: move cc-o... |
729 730 731 732 |
else # These warnings generated too much noise in a regular build. # Use make W=1 to enable them (see scripts/Makefile.extrawarn) |
9df3e7a7d kbuild: add -Wno-... |
733 |
KBUILD_CFLAGS += -Wno-unused-but-set-variable |
e2079e93f kbuild: Do not en... |
734 735 736 737 738 |
# Warn about unmarked fall-throughs in switch statement. # Disabled for clang while comment to attribute conversion happens and # https://github.com/ClangBuiltLinux/linux/issues/636 is discussed. KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough,) |
cfe17c9bb kbuild: move cc-o... |
739 |
endif |
0a5f41767 kbuild: clang: di... |
740 |
KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable) |
1da177e4c Linux-2.6.12-rc2 |
741 |
ifdef CONFIG_FRAME_POINTER |
a0f97e06a kbuild: enable 'm... |
742 |
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls |
1da177e4c Linux-2.6.12-rc2 |
743 |
else |
7e9501fde ARM: 6312/1: ftra... |
744 745 746 747 748 749 |
# Some targets (ARM with Thumb2, for example), can't be built with frame # pointers. For those, we don't have FUNCTION_TRACER automatically # select FRAME_POINTER. However, FUNCTION_TRACER adds -pg, and this is # incompatible with -fomit-frame-pointer with current GCC, so we don't use # -fomit-frame-pointer with FUNCTION_TRACER. ifndef CONFIG_FUNCTION_TRACER |
a0f97e06a kbuild: enable 'm... |
750 |
KBUILD_CFLAGS += -fomit-frame-pointer |
1da177e4c Linux-2.6.12-rc2 |
751 |
endif |
7e9501fde ARM: 6312/1: ftra... |
752 |
endif |
1da177e4c Linux-2.6.12-rc2 |
753 |
|
f0fe00d49 security: allow u... |
754 755 |
# Initialize all stack variables with a 0xAA pattern. ifdef CONFIG_INIT_STACK_ALL_PATTERN |
709a972ef security: Impleme... |
756 757 |
KBUILD_CFLAGS += -ftrivial-auto-var-init=pattern endif |
f0fe00d49 security: allow u... |
758 759 760 761 762 763 764 765 |
# Initialize all stack variables with a zero value. ifdef CONFIG_INIT_STACK_ALL_ZERO # Future support for zero initialization is still being debated, see # https://bugs.llvm.org/show_bug.cgi?id=45497. These flags are subject to being # renamed or dropped. KBUILD_CFLAGS += -ftrivial-auto-var-init=zero KBUILD_CFLAGS += -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang endif |
1e88e415e kbuild: Disable e... |
766 |
DEBUG_CFLAGS := $(call cc-option, -fno-var-tracking-assignments) |
2062afb4f Fix gcc-4.9.0 mis... |
767 |
|
1da177e4c Linux-2.6.12-rc2 |
768 |
ifdef CONFIG_DEBUG_INFO |
866ced950 kbuild: Support s... |
769 |
ifdef CONFIG_DEBUG_INFO_SPLIT |
9d9374440 kbuild: move -gsp... |
770 |
DEBUG_CFLAGS += -gsplit-dwarf |
866ced950 kbuild: Support s... |
771 |
else |
1e88e415e kbuild: Disable e... |
772 |
DEBUG_CFLAGS += -g |
866ced950 kbuild: Support s... |
773 |
endif |
2288328ce all: LLVMLinux: C... |
774 |
KBUILD_AFLAGS += -Wa,-gdwarf-2 |
1da177e4c Linux-2.6.12-rc2 |
775 |
endif |
bfaf2dd35 Kbuild: Add a opt... |
776 |
ifdef CONFIG_DEBUG_INFO_DWARF4 |
9d9374440 kbuild: move -gsp... |
777 |
DEBUG_CFLAGS += -gdwarf-4 |
bfaf2dd35 Kbuild: Add a opt... |
778 |
endif |
1da177e4c Linux-2.6.12-rc2 |
779 |
|
d6f4ceb79 Kbuild: Add optio... |
780 |
ifdef CONFIG_DEBUG_INFO_REDUCED |
1e88e415e kbuild: Disable e... |
781 |
DEBUG_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) \ |
e82c4bb8b Kbuild: Disable v... |
782 |
$(call cc-option,-fno-var-tracking) |
d6f4ceb79 Kbuild: Add optio... |
783 |
endif |
10e68b02c Makefile: support... |
784 785 |
ifdef CONFIG_DEBUG_INFO_COMPRESSED DEBUG_CFLAGS += -gz=zlib |
7b1699443 Makefile: Improve... |
786 |
KBUILD_AFLAGS += -gz=zlib |
10e68b02c Makefile: support... |
787 788 |
KBUILD_LDFLAGS += --compress-debug-sections=zlib endif |
1e88e415e kbuild: Disable e... |
789 790 |
KBUILD_CFLAGS += $(DEBUG_CFLAGS) export DEBUG_CFLAGS |
606576ce8 ftrace: rename FT... |
791 |
ifdef CONFIG_FUNCTION_TRACER |
07d040812 tracing: Avoid ca... |
792 793 794 795 796 797 |
ifdef CONFIG_FTRACE_MCOUNT_RECORD # gcc 5 supports generating the mcount tables directly ifeq ($(call cc-option-yn,-mrecord-mcount),y) CC_FLAGS_FTRACE += -mrecord-mcount export CC_USING_RECORD_MCOUNT := 1 endif |
2f4df0017 tracing: Add -mco... |
798 799 800 801 802 803 |
ifdef CONFIG_HAVE_NOP_MCOUNT ifeq ($(call cc-option-yn, -mnop-mcount),y) CC_FLAGS_FTRACE += -mnop-mcount CC_FLAGS_USING += -DCC_USING_NOP_MCOUNT endif endif |
07d040812 tracing: Avoid ca... |
804 |
endif |
a2546fae0 ftrace: Add -mfen... |
805 |
ifdef CONFIG_HAVE_FENTRY |
f28bc3c32 tracing: Handle C... |
806 807 808 809 |
ifeq ($(call cc-option-yn, -mfentry),y) CC_FLAGS_FTRACE += -mfentry CC_FLAGS_USING += -DCC_USING_FENTRY endif |
a2546fae0 ftrace: Add -mfen... |
810 |
endif |
f28bc3c32 tracing: Handle C... |
811 812 813 |
export CC_FLAGS_FTRACE KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_FLAGS_USING) KBUILD_AFLAGS += $(CC_FLAGS_USING) |
72441cb1f ftrace/x86: Add s... |
814 |
ifdef CONFIG_DYNAMIC_FTRACE |
cf4db2597 ftrace: Rename co... |
815 |
ifdef CONFIG_HAVE_C_RECORDMCOUNT |
72441cb1f ftrace/x86: Add s... |
816 817 818 819 |
BUILD_C_RECORDMCOUNT := y export BUILD_C_RECORDMCOUNT endif endif |
16444a8a4 ftrace: add basic... |
820 |
endif |
91341d4b2 kbuild: introduce... |
821 822 823 824 |
# We trigger additional mismatches with less inlining ifdef CONFIG_DEBUG_SECTION_MISMATCH KBUILD_CFLAGS += $(call cc-option, -fno-inline-functions-called-once) endif |
90ad4052e kbuild: avoid con... |
825 |
ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION |
e85d1d65c kbuild: test dead... |
826 827 |
KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections LDFLAGS_vmlinux += --gc-sections |
90ad4052e kbuild: avoid con... |
828 |
endif |
43bd3a95c kbuild: use -fliv... |
829 830 831 |
ifdef CONFIG_LIVEPATCH KBUILD_CFLAGS += $(call cc-option, -flive-patching=inline-clone) endif |
d08b9f0ca scs: Add support ... |
832 833 834 835 836 |
ifdef CONFIG_SHADOW_CALL_STACK CC_FLAGS_SCS := -fsanitize=shadow-call-stack KBUILD_CFLAGS += $(CC_FLAGS_SCS) export CC_FLAGS_SCS endif |
09c60546f ./Makefile: add d... |
837 838 839 |
ifdef CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_32B KBUILD_CFLAGS += -falign-functions=32 endif |
e8e699317 [PATCH] kbuild: S... |
840 |
# arch Makefile may override CC so keep this after arch Makefile is included |
e08d6de4e kbuild: remove kb... |
841 |
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) |
e8e699317 [PATCH] kbuild: S... |
842 |
|
1da177e4c Linux-2.6.12-rc2 |
843 |
# warn about C99 declaration after statement |
a33e7ae29 kbuild: add -Wdec... |
844 |
KBUILD_CFLAGS += -Wdeclaration-after-statement |
1da177e4c Linux-2.6.12-rc2 |
845 |
|
0bb95f80a Makefile: Globall... |
846 |
# Variable Length Arrays (VLAs) should not be used anywhere in the kernel |
8289f913f kbuild: add -Wvla... |
847 |
KBUILD_CFLAGS += -Wvla |
0bb95f80a Makefile: Globall... |
848 |
|
070b98bfd kbuild: trivial f... |
849 |
# disable pointer signed / unsigned warnings in gcc 4.0 |
fb073a4b4 kbuild: add -Wno-... |
850 |
KBUILD_CFLAGS += -Wno-pointer-sign |
1da177e4c Linux-2.6.12-rc2 |
851 |
|
217c3e019 disable stringop ... |
852 853 |
# disable stringop warnings in gcc 8+ KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation) |
5c45de21a gcc-10: disable '... |
854 855 |
# We'll want to enable this eventually, but it's not going away for 5.7 at least KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds) |
44720996e gcc-10: disable '... |
856 |
KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds) |
5a76021c2 gcc-10: disable '... |
857 |
KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow) |
5c45de21a gcc-10: disable '... |
858 |
|
adc719209 gcc-10: disable '... |
859 860 |
# Another good warning that we'll want to enable eventually KBUILD_CFLAGS += $(call cc-disable-warning, restrict) |
78a5255ff Stop the ad-hoc g... |
861 862 |
# Enabled with W=2, disabled by default as noisy KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized) |
fe8d0a410 kbuild: fix a few... |
863 |
# disable invalid "can't wrap" optimizations for signed / pointers |
a137802ee Don't use '-fwrap... |
864 |
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) |
d0115552c Move cc-option to... |
865 |
|
87e0d4f0f kbuild: disable c... |
866 867 868 869 870 871 872 873 |
# clang sets -fmerge-all-constants by default as optimization, but this # is non-conforming behavior for C and in fact breaks the kernel, so we # need to disable it here generally. KBUILD_CFLAGS += $(call cc-option,-fno-merge-all-constants) # for gcc -fno-merge-all-constants disables everything, but it is fine # to have actual conforming behavior enabled. KBUILD_CFLAGS += $(call cc-option,-fmerge-constants) |
3ce120b16 kbuild: add '-fno... |
874 875 |
# Make sure -fstack-check isn't enabled (like gentoo apparently did) KBUILD_CFLAGS += $(call cc-option,-fno-stack-check,) |
8f7f5c9fc kbuild: set -fcon... |
876 877 |
# conserve stack if available KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) |
fe7c36c7b Makefile: Build w... |
878 879 |
# Prohibit date/time macros, which would make the build non-deterministic KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) |
ea8daa7b9 kbuild: Add optio... |
880 881 |
# enforce correct pointer usage KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types) |
c834f0e8a Kbuild: make desi... |
882 883 |
# Require designated initializers for all marked structures KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init) |
a73619a84 kbuild: use -fmac... |
884 885 |
# change __FILE__ to the relative path from the srctree KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) |
29be86d7f kbuild: add -fcf-... |
886 887 888 889 890 |
# ensure -fcf-protection is disabled when using retpoline as it is # incompatible with -mindirect-branch=thunk-extern ifdef CONFIG_RETPOLINE KBUILD_CFLAGS += $(call cc-option,-fcf-protection=none) endif |
e0fe0bbe5 kbuild: include s... |
891 892 893 894 895 896 897 898 899 |
# include additional Makefiles when needed include-y := scripts/Makefile.extrawarn include-$(CONFIG_KASAN) += scripts/Makefile.kasan include-$(CONFIG_KCSAN) += scripts/Makefile.kcsan include-$(CONFIG_UBSAN) += scripts/Makefile.ubsan include-$(CONFIG_KCOV) += scripts/Makefile.kcov include-$(CONFIG_GCC_PLUGINS) += scripts/Makefile.gcc-plugins include $(addprefix $(srctree)/, $(include-y)) |
a86fe3537 kbuild: move extr... |
900 |
|
132305b3b kbuild: stop filt... |
901 902 903 |
# scripts/Makefile.gcc-plugins is intentionally included last. # Do not add $(call cc-option,...) below this line. When you build the kernel # from the clean source tree, the GCC plugins do not exist at this point. |
a86fe3537 kbuild: move extr... |
904 |
|
8cc7af751 kbuild: remove AR... |
905 906 907 908 |
# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments KBUILD_CPPFLAGS += $(KCPPFLAGS) KBUILD_AFLAGS += $(KAFLAGS) KBUILD_CFLAGS += $(KCFLAGS) |
52bcc3308 kbuild: enable us... |
909 |
|
89ff7131f kbuild: add --has... |
910 911 |
KBUILD_LDFLAGS_MODULE += --build-id LDFLAGS_vmlinux += --build-id |
18991197b Use --build-id ld... |
912 |
|
5d7d18f5b kbuild: make it p... |
913 |
ifeq ($(CONFIG_STRIP_ASM_SYMS),y) |
d79a27195 kbuild: Check if ... |
914 |
LDFLAGS_vmlinux += $(call ld-option, -X,) |
5d7d18f5b kbuild: make it p... |
915 |
endif |
5cf896fb6 arm64: Add suppor... |
916 917 918 |
ifeq ($(CONFIG_RELR),y) LDFLAGS_vmlinux += --pack-dyn-relocs=relr endif |
7f3a59db2 kbuild: add infra... |
919 |
# Align the bit size of userspace programs with the kernel |
7f58b487e kbuild: make Clan... |
920 921 |
KBUILD_USERCFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS)) KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS)) |
7f3a59db2 kbuild: add infra... |
922 |
|
80591e61a kbuild: tell spar... |
923 924 |
# make the checker run with the right architecture CHECKFLAGS += --arch=$(ARCH) |
145167650 kbuild: add endia... |
925 926 |
# insure the checker run with the right endianness CHECKFLAGS += $(if $(CONFIG_CPU_BIG_ENDIAN),-mbig-endian,-mlittle-endian) |
1f2f01b12 kbuild: add machi... |
927 928 |
# the checker needs the correct machine size CHECKFLAGS += $(if $(CONFIG_64BIT),-m64,-m32) |
1da177e4c Linux-2.6.12-rc2 |
929 |
# Default kernel image to build when no specific target is given. |
070b98bfd kbuild: trivial f... |
930 |
# KBUILD_IMAGE may be overruled on the command line or |
1da177e4c Linux-2.6.12-rc2 |
931 932 933 934 935 936 937 938 939 940 941 |
# set in the environment # Also any assignments in arch/$(ARCH)/Makefile take precedence over # this default value export KBUILD_IMAGE ?= vmlinux # # INSTALL_PATH specifies where to place the updated kernel and system map # images. Default is /boot, but you can set it to other values export INSTALL_PATH ?= /boot # |
f4d4ffc03 kbuild: dtbs_inst... |
942 943 944 945 946 947 948 |
# INSTALL_DTBS_PATH specifies a prefix for relocations required by build roots. # Like INSTALL_MOD_PATH, it isn't defined in the Makefile, but can be passed as # an argument if needed. Otherwise it defaults to the kernel install path # export INSTALL_DTBS_PATH ?= $(INSTALL_PATH)/dtbs/$(KERNELRELEASE) # |
1da177e4c Linux-2.6.12-rc2 |
949 950 |
# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory # relocations required by build roots. This is not defined in the |
070b98bfd kbuild: trivial f... |
951 |
# makefile but the argument can be passed to make if needed. |
1da177e4c Linux-2.6.12-rc2 |
952 |
# |
df9df036d kbuild: fix 'make... |
953 |
MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) |
1da177e4c Linux-2.6.12-rc2 |
954 |
export MODLIB |
ac031f26e kbuild: add optio... |
955 |
# |
3fbb43df9 kbuild: trivial -... |
956 957 958 959 |
# INSTALL_MOD_STRIP, if defined, will cause modules to be # stripped after they are installed. If INSTALL_MOD_STRIP is '1', then # the default option --strip-debug will be used. Otherwise, # INSTALL_MOD_STRIP value will be used as the options to the strip command. |
2ea038917 Revert "kbuild: s... |
960 |
|
ac031f26e kbuild: add optio... |
961 962 |
ifdef INSTALL_MOD_STRIP ifeq ($(INSTALL_MOD_STRIP),1) |
2ea038917 Revert "kbuild: s... |
963 |
mod_strip_cmd = $(STRIP) --strip-debug |
ac031f26e kbuild: add optio... |
964 |
else |
2ea038917 Revert "kbuild: s... |
965 |
mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP) |
ac031f26e kbuild: add optio... |
966 967 |
endif # INSTALL_MOD_STRIP=1 else |
2ea038917 Revert "kbuild: s... |
968 |
mod_strip_cmd = true |
ac031f26e kbuild: add optio... |
969 970 |
endif # INSTALL_MOD_STRIP export mod_strip_cmd |
beb50df39 kbuild: handle mo... |
971 972 973 974 975 976 977 |
# CONFIG_MODULE_COMPRESS, if defined, will cause module to be compressed # after they are installed in agreement with CONFIG_MODULE_COMPRESS_GZIP # or CONFIG_MODULE_COMPRESS_XZ. mod_compress_cmd = true ifdef CONFIG_MODULE_COMPRESS ifdef CONFIG_MODULE_COMPRESS_GZIP |
e4a42c82e kbuild: fix broke... |
978 |
mod_compress_cmd = $(KGZIP) -n -f |
beb50df39 kbuild: handle mo... |
979 980 |
endif # CONFIG_MODULE_COMPRESS_GZIP ifdef CONFIG_MODULE_COMPRESS_XZ |
8dfb61dcb kbuild: add varia... |
981 |
mod_compress_cmd = $(XZ) -f |
beb50df39 kbuild: handle mo... |
982 983 984 |
endif # CONFIG_MODULE_COMPRESS_XZ endif # CONFIG_MODULE_COMPRESS export mod_compress_cmd |
d9d8d7ed4 MODSIGN: Add opti... |
985 |
ifdef CONFIG_MODULE_SIG_ALL |
3ee550f12 modsign: Handle s... |
986 987 988 |
$(eval $(call config_filename,MODULE_SIG_KEY)) mod_sign_cmd = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY) certs/signing_key.x509 |
e2a666d52 kbuild: sign the ... |
989 990 991 992 |
else mod_sign_cmd = true endif export mod_sign_cmd |
056d28d13 objtool: Query pk... |
993 |
HOST_LIBELF_LIBS = $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) |
33a57ce0a bpf: Compile reso... |
994 995 |
has_libelf = $(call try-run,\ echo "int main() {}" | $(HOSTCC) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0) |
9f0c18aec objtool: Fix CONF... |
996 |
ifdef CONFIG_STACK_VALIDATION |
9f0c18aec objtool: Fix CONF... |
997 998 999 |
ifeq ($(has_libelf),1) objtool_target := tools/objtool FORCE else |
9f0c18aec objtool: Fix CONF... |
1000 1001 1002 1003 |
SKIP_STACK_VALIDATION := 1 export SKIP_STACK_VALIDATION endif endif |
33a57ce0a bpf: Compile reso... |
1004 1005 1006 1007 1008 1009 1010 |
ifdef CONFIG_DEBUG_INFO_BTF ifeq ($(has_libelf),1) resolve_btfids_target := tools/bpf/resolve_btfids FORCE else ERROR_RESOLVE_BTFIDS := 1 endif endif |
e00d88804 kbuild: mark prep... |
1011 |
PHONY += prepare0 |
e2a666d52 kbuild: sign the ... |
1012 |
|
394053f4a kbuild: make sing... |
1013 |
export MODORDER := $(extmod-prefix)modules.order |
bc35d4bda scripts/nsdeps: s... |
1014 |
export MODULES_NSDEPS := $(extmod-prefix)modules.nsdeps |
47801c97d kbuild: revive si... |
1015 |
|
1da177e4c Linux-2.6.12-rc2 |
1016 |
ifeq ($(KBUILD_EXTMOD),) |
cfc411e7f Move certificate ... |
1017 |
core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/ |
1da177e4c Linux-2.6.12-rc2 |
1018 |
|
23febe375 kbuild: merge ini... |
1019 |
vmlinux-dirs := $(patsubst %/,%,$(filter %/, \ |
1da177e4c Linux-2.6.12-rc2 |
1020 |
$(core-y) $(core-m) $(drivers-y) $(drivers-m) \ |
95fb6317b kbuild: merge net... |
1021 |
$(libs-y) $(libs-m))) |
1da177e4c Linux-2.6.12-rc2 |
1022 |
|
1eaca4b98 kbuild: move Docu... |
1023 |
vmlinux-alldirs := $(sort $(vmlinux-dirs) Documentation \ |
23febe375 kbuild: merge ini... |
1024 |
$(patsubst %/,%,$(filter %/, $(core-) \ |
95fb6317b kbuild: merge net... |
1025 |
$(drivers-) $(libs-)))) |
1da177e4c Linux-2.6.12-rc2 |
1026 |
|
b2c885549 kbuild: update mo... |
1027 1028 1029 |
subdir-modorder := $(addsuffix modules.order,$(filter %/, \ $(core-y) $(core-m) $(libs-y) $(libs-m) \ $(drivers-y) $(drivers-m))) |
1da177e4c Linux-2.6.12-rc2 |
1030 |
|
c99f3918c kbuild: unify vml... |
1031 |
build-dirs := $(vmlinux-dirs) |
76cd306d7 kbuild: unify cle... |
1032 |
clean-dirs := $(vmlinux-alldirs) |
c99f3918c kbuild: unify vml... |
1033 |
|
f0d50ca04 kbuild: refactor ... |
1034 1035 1036 |
# Externally visible symbols (used by link-vmlinux.sh) KBUILD_VMLINUX_OBJS := $(head-y) $(patsubst %/,%/built-in.a, $(core-y)) KBUILD_VMLINUX_OBJS += $(addsuffix built-in.a, $(filter %/, $(libs-y))) |
7273ad2b0 kbuild: link lib-... |
1037 |
ifdef CONFIG_MODULES |
f0d50ca04 kbuild: refactor ... |
1038 1039 |
KBUILD_VMLINUX_OBJS += $(patsubst %/, %/lib.a, $(filter %/, $(libs-y))) KBUILD_VMLINUX_LIBS := $(filter-out %/, $(libs-y)) |
7273ad2b0 kbuild: link lib-... |
1040 |
else |
f0d50ca04 kbuild: refactor ... |
1041 |
KBUILD_VMLINUX_LIBS := $(patsubst %/,%/lib.a, $(libs-y)) |
7273ad2b0 kbuild: link lib-... |
1042 |
endif |
f0d50ca04 kbuild: refactor ... |
1043 |
KBUILD_VMLINUX_OBJS += $(patsubst %/,%/built-in.a, $(drivers-y)) |
1da177e4c Linux-2.6.12-rc2 |
1044 |
|
f0d50ca04 kbuild: refactor ... |
1045 |
export KBUILD_VMLINUX_OBJS KBUILD_VMLINUX_LIBS |
956985705 kbuild: refactor ... |
1046 |
export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds |
85f0ae7e4 kbuild: update co... |
1047 |
# used by scripts/Makefile.package |
233c741dc kbuild: add LICEN... |
1048 |
export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) LICENSES arch include scripts tools) |
9bb482476 allow stripping o... |
1049 |
|
d151e9719 kbuild: merge KBU... |
1050 |
vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_OBJS) $(KBUILD_VMLINUX_LIBS) |
1da177e4c Linux-2.6.12-rc2 |
1051 |
|
3fdc7d3fe kbuild: link vmli... |
1052 1053 |
# Recurse until adjust_autoksyms.sh is satisfied PHONY += autoksyms_recursive |
2441e78b1 kbuild: better ab... |
1054 |
ifdef CONFIG_TRIM_UNUSED_KSYMS |
1f50b80a0 kbuild: move CONF... |
1055 1056 1057 |
# For the kernel to actually contain only the needed exported symbols, # we have to build modules as well to determine what those symbols are. # (this can be evaluated only once include/config/auto.conf has been included) |
fb2d99be8 kbuild: merge two... |
1058 1059 1060 1061 1062 |
KBUILD_MODULES := 1 autoksyms_recursive: descend modules.order $(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \ "$(MAKE) -f $(srctree)/Makefile vmlinux" |
1f50b80a0 kbuild: move CONF... |
1063 |
endif |
07a422bb2 kbuild: restore a... |
1064 |
autoksyms_h := $(if $(CONFIG_TRIM_UNUSED_KSYMS), include/generated/autoksyms.h) |
88694cff4 kbuild: generate ... |
1065 1066 1067 |
quiet_cmd_autoksyms_h = GEN $@ cmd_autoksyms_h = mkdir -p $(dir $@); \ $(CONFIG_SHELL) $(srctree)/scripts/gen_autoksyms.sh $@ |
07a422bb2 kbuild: restore a... |
1068 |
$(autoksyms_h): |
88694cff4 kbuild: generate ... |
1069 |
$(call cmd,autoksyms_h) |
23121ca2b kbuild: create/ad... |
1070 |
|
fbe6e37da kbuild: add arch ... |
1071 1072 1073 |
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink) # Final link of vmlinux with optional arch pass after final link |
312a3d091 kbuild: trivial c... |
1074 |
cmd_link-vmlinux = \ |
3ec8a5b33 kbuild: do not ex... |
1075 |
$(CONFIG_SHELL) $< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)"; \ |
fbe6e37da kbuild: add arch ... |
1076 |
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) |
2441e78b1 kbuild: better ab... |
1077 |
|
3fdc7d3fe kbuild: link vmli... |
1078 |
vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE |
1f2bfbd00 kbuild: link of v... |
1079 |
+$(call if_changed,link-vmlinux) |
741f98fe2 kbuild: do sectio... |
1080 |
|
392885ee8 kbuild: let fixde... |
1081 |
targets := vmlinux |
38385f8f0 kbuild: trivial -... |
1082 |
# The actual objects are generated when descending, |
1da177e4c Linux-2.6.12-rc2 |
1083 |
# make sure no implicit rule kicks in |
b2c885549 kbuild: update mo... |
1084 |
$(sort $(vmlinux-deps) $(subdir-modorder)): descend ; |
1da177e4c Linux-2.6.12-rc2 |
1085 |
|
ba97df455 kbuild: use assig... |
1086 |
filechk_kernel.release = \ |
0d0e7718a kbuild: Do not ov... |
1087 |
echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" |
0d0e7718a kbuild: Do not ov... |
1088 |
|
83a35e360 treewide: relase ... |
1089 |
# Store (new) KERNELRELEASE string in include/config/kernel.release |
24512795d kbuild: remove un... |
1090 |
include/config/kernel.release: FORCE |
0d0e7718a kbuild: Do not ov... |
1091 |
$(call filechk,kernel.release) |
cb58455c4 kbuild: KERNELREL... |
1092 |
|
d8821622c kbuild: move 'scr... |
1093 1094 1095 1096 |
# Additional helpers built in scripts/ # Carefully list dependencies so we do not try to build scripts twice # in parallel PHONY += scripts |
60df1aee2 kbuild: move modp... |
1097 |
scripts: scripts_basic scripts_dtc |
d8821622c kbuild: move 'scr... |
1098 |
$(Q)$(MAKE) $(build)=$(@) |
cb58455c4 kbuild: KERNELREL... |
1099 |
|
1da177e4c Linux-2.6.12-rc2 |
1100 |
# Things we need to do before we recursively start building the kernel |
5bb782690 kbuild: rename pr... |
1101 1102 1103 1104 |
# or the modules are listed in "prepare". # A multi level approach is used. prepareN is processed before prepareN-1. # archprepare is used in arch Makefiles and when processed asm symlink, # version.h and scripts_basic is processed / created. |
1da177e4c Linux-2.6.12-rc2 |
1105 |
|
a5139fb36 kbuild: remove pr... |
1106 |
PHONY += prepare archprepare |
5bb782690 kbuild: rename pr... |
1107 |
|
36de077b2 kbuild: check cle... |
1108 |
archprepare: outputmakefile archheaders archscripts scripts include/config/kernel.release \ |
3044dd052 kbuild: invoke sy... |
1109 1110 |
asm-generic $(version_h) $(autoksyms_h) include/generated/utsrelease.h \ include/generated/autoconf.h |
5bb782690 kbuild: rename pr... |
1111 |
|
65bba0423 kbuild: fix UML b... |
1112 |
prepare0: archprepare |
60df1aee2 kbuild: move modp... |
1113 |
$(Q)$(MAKE) $(build)=scripts/mod |
8d36a6236 kbuild: fix gener... |
1114 |
$(Q)$(MAKE) $(build)=. |
86feeaa81 kbuild: full depe... |
1115 |
|
1da177e4c Linux-2.6.12-rc2 |
1116 |
# All the preparing.. |
33a57ce0a bpf: Compile reso... |
1117 |
prepare: prepare0 prepare-objtool prepare-resolve_btfids |
b9ab5ebb1 objtool: Add CONF... |
1118 |
|
2c1f4f125 kbuild: re-order ... |
1119 |
# Support for using generic headers in asm-generic |
7d0e5c205 kbuild: refactor ... |
1120 |
asm-generic := -f $(srctree)/scripts/Makefile.asm-generic obj |
2c1f4f125 kbuild: re-order ... |
1121 1122 |
PHONY += asm-generic uapi-asm-generic asm-generic: uapi-asm-generic |
037fc3368 kbuild: force all... |
1123 1124 |
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/asm \ generic=include/asm-generic |
2c1f4f125 kbuild: re-order ... |
1125 |
uapi-asm-generic: |
037fc3368 kbuild: force all... |
1126 1127 |
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/uapi/asm \ generic=include/uapi/asm-generic |
2c1f4f125 kbuild: re-order ... |
1128 |
|
33a57ce0a bpf: Compile reso... |
1129 |
PHONY += prepare-objtool prepare-resolve_btfids |
3b27a0c85 objtool: Detect a... |
1130 |
prepare-objtool: $(objtool_target) |
ef7cfd00b kbuild: fix false... |
1131 1132 1133 1134 1135 1136 1137 1138 |
ifeq ($(SKIP_STACK_VALIDATION),1) ifdef CONFIG_UNWINDER_ORC @echo "error: Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2 @false else @echo "warning: Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2 endif endif |
1da177e4c Linux-2.6.12-rc2 |
1139 |
|
33a57ce0a bpf: Compile reso... |
1140 1141 1142 1143 1144 |
prepare-resolve_btfids: $(resolve_btfids_target) ifeq ($(ERROR_RESOLVE_BTFIDS),1) @echo "error: Cannot resolve BTF IDs for CONFIG_DEBUG_INFO_BTF, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2 @false endif |
1da177e4c Linux-2.6.12-rc2 |
1145 1146 1147 1148 1149 1150 1151 |
# Generate some files # --------------------------------------------------------------------------- # KERNELRELEASE can change from a few different places, meaning version.h # needs to be updated, so this check is forced on all builds uts_len := 64 |
63104eec2 kbuild: introduce... |
1152 1153 1154 1155 1156 |
define filechk_utsrelease.h if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \ echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \ exit 1; \ fi; \ |
ad7740863 kbuild: change fi... |
1157 |
echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" |
63104eec2 kbuild: introduce... |
1158 |
endef |
1da177e4c Linux-2.6.12-rc2 |
1159 1160 |
define filechk_version.h |
ad7740863 kbuild: change fi... |
1161 |
echo \#define LINUX_VERSION_CODE $(shell \ |
450c6076a Makefile: improve... |
1162 |
expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \ |
ad7740863 kbuild: change fi... |
1163 |
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' |
1da177e4c Linux-2.6.12-rc2 |
1164 |
endef |
43fee2b23 kbuild: do not re... |
1165 |
$(version_h): FORCE |
1da177e4c Linux-2.6.12-rc2 |
1166 |
$(call filechk,version.h) |
223c24a7d kbuild: Automatic... |
1167 |
$(Q)rm -f $(old_version_h) |
1da177e4c Linux-2.6.12-rc2 |
1168 |
|
273b281fa kbuild: move utsr... |
1169 |
include/generated/utsrelease.h: include/config/kernel.release FORCE |
63104eec2 kbuild: introduce... |
1170 |
$(call filechk,utsrelease.h) |
179efcb47 kbuild: add heade... |
1171 1172 |
PHONY += headerdep headerdep: |
9663d9890 kbuild: make head... |
1173 1174 |
$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \ $(srctree)/scripts/headerdep.pl -I$(srctree)/include |
179efcb47 kbuild: add heade... |
1175 |
|
1da177e4c Linux-2.6.12-rc2 |
1176 |
# --------------------------------------------------------------------------- |
8d730cfb5 Basic implementat... |
1177 |
# Kernel headers |
8d730cfb5 Basic implementat... |
1178 |
|
e6883b187 kbuild: refactor ... |
1179 1180 |
#Default location for installed headers export INSTALL_HDR_PATH = $(objtree)/usr |
6d7162758 New 'make headers... |
1181 |
|
59b2bd05f kbuild: add 'head... |
1182 1183 1184 1185 1186 |
quiet_cmd_headers_install = INSTALL $(INSTALL_HDR_PATH)/include cmd_headers_install = \ mkdir -p $(INSTALL_HDR_PATH); \ rsync -mrl --include='*/' --include='*\.h' --exclude='*' \ usr/include $(INSTALL_HDR_PATH) |
e6883b187 kbuild: refactor ... |
1187 |
|
8d730cfb5 Basic implementat... |
1188 |
PHONY += headers_install |
59b2bd05f kbuild: add 'head... |
1189 1190 |
headers_install: headers $(call cmd,headers_install) |
6520fe556 x86, realmode: 16... |
1191 |
|
59b2bd05f kbuild: add 'head... |
1192 |
PHONY += archheaders archscripts |
e6883b187 kbuild: refactor ... |
1193 |
|
a5bae54c1 kbuild: move hdr-... |
1194 |
hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj |
6d7162758 New 'make headers... |
1195 |
|
59b2bd05f kbuild: add 'head... |
1196 1197 |
PHONY += headers headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts |
9d022c540 kbuild: replace $... |
1198 |
$(if $(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/Kbuild),, \ |
10b63956f UAPI: Plumb the U... |
1199 |
$(error Headers not exportable for the $(SRCARCH) architecture)) |
d5470d144 kbuild: re-implem... |
1200 1201 |
$(Q)$(MAKE) $(hdr-inst)=include/uapi $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi |
1f85712e6 [PATCH] new tople... |
1202 |
|
7ecaf069d kbuild: move head... |
1203 |
# Deprecated. It is no-op now. |
684753599 Basic implementat... |
1204 |
PHONY += headers_check |
7ecaf069d kbuild: move head... |
1205 1206 |
headers_check: @: |
684753599 Basic implementat... |
1207 |
|
e949f4c2d kbuild: add CONFI... |
1208 |
ifdef CONFIG_HEADERS_INSTALL |
59b2bd05f kbuild: add 'head... |
1209 |
prepare: headers |
e949f4c2d kbuild: add CONFI... |
1210 |
endif |
684753599 Basic implementat... |
1211 |
|
bdd7714b6 kbuild: build all... |
1212 1213 1214 |
PHONY += scripts_unifdef scripts_unifdef: scripts_basic $(Q)$(MAKE) $(build)=scripts scripts/unifdef |
8d730cfb5 Basic implementat... |
1215 |
# --------------------------------------------------------------------------- |
5a5da78b3 kbuild: kselftest... |
1216 1217 1218 1219 |
# Kernel selftest PHONY += kselftest kselftest: |
2bc84526d Makefile: kselfte... |
1220 |
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests |
5a5da78b3 kbuild: kselftest... |
1221 |
|
17eac6c2d selftests: Add ks... |
1222 1223 |
kselftest-%: FORCE $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests $* |
dcb825a9f kselftest: add ks... |
1224 |
|
3d6dee7af Makefile: add kse... |
1225 1226 1227 |
PHONY += kselftest-merge kselftest-merge: $(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!)) |
6d3db46c8 kbuild: teach kse... |
1228 1229 |
$(Q)find $(srctree)/tools/testing/selftests -name config | \ xargs $(srctree)/scripts/kconfig/merge_config.sh -m $(objtree)/.config |
3e4c6948e kbuild: remove un... |
1230 |
$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
3d6dee7af Makefile: add kse... |
1231 |
|
5a5da78b3 kbuild: kselftest... |
1232 |
# --------------------------------------------------------------------------- |
37c8a5faf kbuild: consolida... |
1233 1234 1235 1236 1237 1238 1239 |
# Devicetree files ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),) dtstree := arch/$(SRCARCH)/boot/dts endif ifneq ($(dtstree),) |
a5139fb36 kbuild: remove pr... |
1240 |
%.dtb: include/config/kernel.release scripts_dtc |
37c8a5faf kbuild: consolida... |
1241 |
$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ |
c473a8d03 kbuild: add dt_bi... |
1242 |
PHONY += dtbs dtbs_install dtbs_check |
b5154bf63 kbuild: avoid con... |
1243 |
dtbs: include/config/kernel.release scripts_dtc |
37c8a5faf kbuild: consolida... |
1244 |
$(Q)$(MAKE) $(build)=$(dtstree) |
b5154bf63 kbuild: avoid con... |
1245 |
ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),) |
e10c4321d kbuild: allow to ... |
1246 |
export CHECK_DTBS=y |
b5154bf63 kbuild: avoid con... |
1247 1248 |
dtbs: dt_binding_check endif |
b5154bf63 kbuild: avoid con... |
1249 |
dtbs_check: dtbs |
4f0e3a57d kbuild: Add suppo... |
1250 |
|
37c8a5faf kbuild: consolida... |
1251 |
dtbs_install: |
2431f22a9 kbuild: compute t... |
1252 |
$(Q)$(MAKE) $(dtbinst)=$(dtstree) dst=$(INSTALL_DTBS_PATH) |
37c8a5faf kbuild: consolida... |
1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 |
ifdef CONFIG_OF_EARLY_FLATTREE all: dtbs endif endif PHONY += scripts_dtc scripts_dtc: scripts_basic $(Q)$(MAKE) $(build)=scripts/dtc |
e10c4321d kbuild: allow to ... |
1263 1264 1265 |
ifneq ($(filter dt_binding_check, $(MAKECMDGOALS)),) export CHECK_DT_BINDING=y endif |
c473a8d03 kbuild: add dt_bi... |
1266 |
PHONY += dt_binding_check |
4f0e3a57d kbuild: Add suppo... |
1267 1268 |
dt_binding_check: scripts_dtc $(Q)$(MAKE) $(build)=Documentation/devicetree/bindings |
37c8a5faf kbuild: consolida... |
1269 |
# --------------------------------------------------------------------------- |
1da177e4c Linux-2.6.12-rc2 |
1270 1271 1272 |
# Modules ifdef CONFIG_MODULES |
070b98bfd kbuild: trivial f... |
1273 |
# By default, build modules as well |
1da177e4c Linux-2.6.12-rc2 |
1274 |
|
73d1393eb kbuild: Generate ... |
1275 |
all: modules |
1da177e4c Linux-2.6.12-rc2 |
1276 |
|
4b50c8c4e kbuild: force to ... |
1277 1278 1279 1280 1281 1282 |
# When we're building modules with modversions, we need to consider # the built-in objects during the descend as well, in order to # make sure the checksums are up to date before we record them. ifdef CONFIG_MODVERSIONS KBUILD_BUILTIN := 1 endif |
3fbb43df9 kbuild: trivial -... |
1283 |
# Build modules |
551559e13 kbuild: implement... |
1284 |
# |
3fbb43df9 kbuild: trivial -... |
1285 1286 1287 |
# A module can be listed more than once in obj-m resulting in # duplicate lines in modules.order files. Those are removed # using awk while concatenating to the final file. |
1da177e4c Linux-2.6.12-rc2 |
1288 |
|
4f1933620 kbuild: change kb... |
1289 |
PHONY += modules |
8451791d1 kbuild: make modu... |
1290 |
modules: $(if $(KBUILD_BUILTIN),vmlinux) modules_check |
b805aa0e7 kbuild: make -rR ... |
1291 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
1da177e4c Linux-2.6.12-rc2 |
1292 |
|
8451791d1 kbuild: make modu... |
1293 1294 1295 |
PHONY += modules_check modules_check: modules.order $(Q)$(CONFIG_SHELL) $(srctree)/scripts/modules-check.sh $< |
1da177e4c Linux-2.6.12-rc2 |
1296 |
|
b2c885549 kbuild: update mo... |
1297 1298 1299 1300 1301 1302 |
cmd_modules_order = $(AWK) '!x[$$0]++' $(real-prereqs) > $@ modules.order: $(subdir-modorder) FORCE $(call if_changed,modules_order) targets += modules.order |
68980b470 kbuild: split mod... |
1303 |
|
1da177e4c Linux-2.6.12-rc2 |
1304 |
# Target to prepare building external modules |
4f1933620 kbuild: change kb... |
1305 |
PHONY += modules_prepare |
059bc9fc3 kbuild: make 'arc... |
1306 |
modules_prepare: prepare |
1da177e4c Linux-2.6.12-rc2 |
1307 1308 |
# Target to install modules |
4f1933620 kbuild: change kb... |
1309 |
PHONY += modules_install |
1da177e4c Linux-2.6.12-rc2 |
1310 |
modules_install: _modinst_ _modinst_post |
4f1933620 kbuild: change kb... |
1311 |
PHONY += _modinst_ |
2c6d9636a Revert "Makefile:... |
1312 |
_modinst_: |
1da177e4c Linux-2.6.12-rc2 |
1313 1314 1315 |
@rm -rf $(MODLIB)/kernel @rm -f $(MODLIB)/source @mkdir -p $(MODLIB)/kernel |
8e9b46679 kbuild: use $(abs... |
1316 |
@ln -s $(abspath $(srctree)) $(MODLIB)/source |
1da177e4c Linux-2.6.12-rc2 |
1317 1318 |
@if [ ! $(objtree) -ef $(MODLIB)/build ]; then \ rm -f $(MODLIB)/build ; \ |
7e1c04779 kbuild: Use relat... |
1319 |
ln -s $(CURDIR) $(MODLIB)/build ; \ |
1da177e4c Linux-2.6.12-rc2 |
1320 |
fi |
1bd9a4680 kbuild: get rid o... |
1321 |
@sed 's:^:kernel/:' modules.order > $(MODLIB)/modules.order |
2c6d9636a Revert "Makefile:... |
1322 1323 |
@cp -f modules.builtin $(MODLIB)/ @cp -f $(objtree)/modules.builtin.modinfo $(MODLIB)/ |
b805aa0e7 kbuild: make -rR ... |
1324 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
1325 |
|
50a8ec31c kbuild: disable d... |
1326 |
# This depmod is only for convenience to give the initial |
1da177e4c Linux-2.6.12-rc2 |
1327 1328 |
# boot a modules.dep even before / is mounted read-write. However the # boot script depmod is the master version. |
4f1933620 kbuild: change kb... |
1329 |
PHONY += _modinst_post |
6d128e1e7 Revert "Makefile:... |
1330 |
_modinst_post: _modinst_ |
50a8ec31c kbuild: disable d... |
1331 |
$(call cmd,depmod) |
1da177e4c Linux-2.6.12-rc2 |
1332 |
|
d890f510c MODSIGN: Add modu... |
1333 1334 1335 1336 1337 |
ifeq ($(CONFIG_MODULE_SIG), y) PHONY += modules_sign modules_sign: $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modsign endif |
1da177e4c Linux-2.6.12-rc2 |
1338 1339 1340 1341 |
else # CONFIG_MODULES # Modules not configured # --------------------------------------------------------------------------- |
612e47cec kbuild: specify m... |
1342 1343 |
PHONY += modules modules_install modules modules_install: |
5369f5502 kbuild: Print err... |
1344 1345 1346 1347 1348 |
@echo >&2 @echo >&2 "The present kernel configuration has modules disabled." @echo >&2 "Type 'make config' and enable loadable module support." @echo >&2 "Then build a kernel with module support enabled." @echo >&2 |
1da177e4c Linux-2.6.12-rc2 |
1349 1350 1351 |
@exit 1 endif # CONFIG_MODULES |
1da177e4c Linux-2.6.12-rc2 |
1352 1353 1354 1355 1356 1357 1358 1359 |
### # Cleaning is done on three levels. # make clean Delete most generated files # Leave enough to build external modules # make mrproper Delete the current configuration, and all generated files # make distclean Remove editor backup files, patch leftover files and the like # Directories & files removed with 'make clean' |
269a535ca modpost: generate... |
1360 |
CLEAN_FILES += include/ksym vmlinux.symvers \ |
0663c68c4 kbuild: remove {C... |
1361 |
modules.builtin modules.builtin.modinfo modules.nsdeps |
1da177e4c Linux-2.6.12-rc2 |
1362 1363 |
# Directories & files removed with 'make mrproper' |
0663c68c4 kbuild: remove {C... |
1364 |
MRPROPER_FILES += include/config include/generated \ |
46a63d4b0 kbuild: pkg: clea... |
1365 |
arch/$(SRCARCH)/include/generated .tmp_objdiff \ |
0663c68c4 kbuild: remove {C... |
1366 1367 |
debian snap tar-install \ .config .config.old .version \ |
46457133a kbuild: remove ta... |
1368 |
Module.symvers \ |
fb1179499 modsign: Use sing... |
1369 1370 |
signing_key.pem signing_key.priv signing_key.x509 \ x509.genkey extra_certificates signing_key.x509.keyid \ |
46a63d4b0 kbuild: pkg: clea... |
1371 1372 |
signing_key.x509.signer vmlinux-gdb.py \ *.spec |
1da177e4c Linux-2.6.12-rc2 |
1373 |
|
46457133a kbuild: remove ta... |
1374 |
# Directories & files removed with 'make distclean' |
46457133a kbuild: remove ta... |
1375 |
DISTCLEAN_FILES += tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS |
1da177e4c Linux-2.6.12-rc2 |
1376 1377 |
# clean - Delete most, but leave enough to build external modules # |
1da177e4c Linux-2.6.12-rc2 |
1378 |
clean: rm-files := $(CLEAN_FILES) |
1da177e4c Linux-2.6.12-rc2 |
1379 |
|
76cd306d7 kbuild: unify cle... |
1380 |
PHONY += archclean vmlinuxclean |
1da177e4c Linux-2.6.12-rc2 |
1381 |
|
bd1ee804a kbuild: Do not re... |
1382 1383 |
vmlinuxclean: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean |
fbe6e37da kbuild: add arch ... |
1384 |
$(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean) |
bd1ee804a kbuild: Do not re... |
1385 1386 |
clean: archclean vmlinuxclean |
1da177e4c Linux-2.6.12-rc2 |
1387 1388 1389 |
# mrproper - Delete all generated files, including .config # |
1da177e4c Linux-2.6.12-rc2 |
1390 |
mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) |
cb43fb577 docs: remove DocB... |
1391 |
mrproper-dirs := $(addprefix _mrproper_,scripts) |
1da177e4c Linux-2.6.12-rc2 |
1392 |
|
b421b8a6c kbuild: remove un... |
1393 |
PHONY += $(mrproper-dirs) mrproper |
1da177e4c Linux-2.6.12-rc2 |
1394 1395 |
$(mrproper-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) |
b421b8a6c kbuild: remove un... |
1396 |
mrproper: clean $(mrproper-dirs) |
1da177e4c Linux-2.6.12-rc2 |
1397 1398 1399 1400 |
$(call cmd,rmfiles) # distclean # |
46457133a kbuild: remove ta... |
1401 |
distclean: rm-files := $(wildcard $(DISTCLEAN_FILES)) |
4f1933620 kbuild: change kb... |
1402 |
PHONY += distclean |
1da177e4c Linux-2.6.12-rc2 |
1403 1404 |
distclean: mrproper |
46457133a kbuild: remove ta... |
1405 |
$(call cmd,rmfiles) |
1da177e4c Linux-2.6.12-rc2 |
1406 |
@find $(srctree) $(RCS_FIND_IGNORE) \ |
070b98bfd kbuild: trivial f... |
1407 |
\( -name '*.orig' -o -name '*.rej' -o -name '*~' \ |
f78271dfb kbuild: drop unne... |
1408 1409 |
-o -name '*.bak' -o -name '#*#' -o -name '*%' \ -o -name 'core' \) \ |
1da177e4c Linux-2.6.12-rc2 |
1410 1411 1412 1413 1414 |
-type f -print | xargs rm -f # Packaging of the kernel to various formats # --------------------------------------------------------------------------- |
1da177e4c Linux-2.6.12-rc2 |
1415 |
|
bafb67470 perf tools: Allow... |
1416 |
%src-pkg: FORCE |
000ec95fb kbuild: pkg: rena... |
1417 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.package $@ |
031ecc6de kbuild: add depen... |
1418 |
%pkg: include/config/kernel.release FORCE |
000ec95fb kbuild: pkg: rena... |
1419 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.package $@ |
1da177e4c Linux-2.6.12-rc2 |
1420 1421 1422 |
# Brief documentation of the typical targets used # --------------------------------------------------------------------------- |
5dffbe811 kbuild: show defc... |
1423 |
boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig) |
a1e7b7bb1 Makefile: sort li... |
1424 |
boards := $(sort $(notdir $(boards))) |
5dffbe811 kbuild: show defc... |
1425 1426 |
board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig)) board-dirs := $(sort $(notdir $(board-dirs:/=))) |
1da177e4c Linux-2.6.12-rc2 |
1427 |
|
fe69b420d kbuild: mark help... |
1428 |
PHONY += help |
1da177e4c Linux-2.6.12-rc2 |
1429 1430 |
help: @echo 'Cleaning targets:' |
5ea084ef9 Use consistent ca... |
1431 |
@echo ' clean - Remove most generated files but keep the config and' |
5cc8d246d kbuild: add distc... |
1432 |
@echo ' enough build support to build external modules' |
5ea084ef9 Use consistent ca... |
1433 |
@echo ' mrproper - Remove all generated files + config + various backup files' |
5cc8d246d kbuild: add distc... |
1434 |
@echo ' distclean - mrproper + remove editor backup and patch files' |
1da177e4c Linux-2.6.12-rc2 |
1435 1436 1437 1438 1439 1440 1441 1442 |
@echo '' @echo 'Configuration targets:' @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help @echo '' @echo 'Other generic targets:' @echo ' all - Build all targets marked with [*]' @echo '* vmlinux - Build the bare kernel' @echo '* modules - Build all modules' |
9cc5d74c8 kbuild: document ... |
1443 |
@echo ' modules_install - Install all modules to INSTALL_MOD_PATH (default: /)' |
1da177e4c Linux-2.6.12-rc2 |
1444 |
@echo ' dir/ - Build all files in dir and below' |
40ab87a40 Makefile: revert ... |
1445 |
@echo ' dir/file.[ois] - Build specified target only' |
433db3e26 kbuild: Add suppo... |
1446 1447 |
@echo ' dir/file.ll - Build the LLVM assembly file' @echo ' (requires compiler support for LLVM assembly generation)' |
627189797 Makefile: Documen... |
1448 1449 |
@echo ' dir/file.lst - Build specified mixed source/assembly target only' @echo ' (requires a recent binutils and recent build (System.map))' |
155ad605b [PATCH] kbuild: b... |
1450 |
@echo ' dir/file.ko - Build module including final link' |
c4d5ee67c kbuild: "make pre... |
1451 |
@echo ' modules_prepare - Set up for building external modules' |
1da177e4c Linux-2.6.12-rc2 |
1452 1453 |
@echo ' tags/TAGS - Generate tags file for editors' @echo ' cscope - Generate cscope index' |
f4ed1009f kbuild: add GNU G... |
1454 |
@echo ' gtags - Generate GNU GLOBAL index' |
3f1d9a6ce kbuild: make -s s... |
1455 1456 1457 |
@echo ' kernelrelease - Output the release version string (use with make -s)' @echo ' kernelversion - Output the version stored in Makefile (use with make -s)' @echo ' image_name - Output the image name (use with make -s)' |
2fb9b1bd9 kbuild: prepare h... |
1458 |
@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ |
59df3230f [PATCH] `make hel... |
1459 |
echo ' (default: $(INSTALL_HDR_PATH))'; \ |
2fb9b1bd9 kbuild: prepare h... |
1460 |
echo '' |
31b8cc807 make help: add to... |
1461 |
@echo 'Static analysers:' |
1da177e4c Linux-2.6.12-rc2 |
1462 1463 |
@echo ' checkstack - Generate a list of stack hogs' @echo ' namespacecheck - Name space analysis on compiled kernel' |
aa025e7d5 kbuild: document ... |
1464 |
@echo ' versioncheck - Sanity check on version.h usage' |
ec2d987f9 kbuild: add 'incl... |
1465 |
@echo ' includecheck - Check for duplicate included header files' |
295ac0518 kbuild: call expo... |
1466 |
@echo ' export_report - List the usages of all exported symbols' |
74425eee7 Add a target to u... |
1467 |
@echo ' headerdep - Detect inclusion cycles in headers' |
7f855fc80 kbuild: move cocc... |
1468 |
@echo ' coccicheck - Check with Coccinelle' |
74425eee7 Add a target to u... |
1469 |
@echo '' |
eb8305aec scripts: Coccinel... |
1470 1471 1472 |
@echo 'Tools:' @echo ' nsdeps - Generate missing symbol namespace dependencies' @echo '' |
31b8cc807 make help: add to... |
1473 |
@echo 'Kernel selftest:' |
e51d8dacf Makefile: Update ... |
1474 1475 1476 1477 1478 1479 1480 1481 1482 |
@echo ' kselftest - Build and run kernel selftest' @echo ' Build, install, and boot kernel before' @echo ' running kselftest on it' @echo ' Run as root for full coverage' @echo ' kselftest-all - Build kernel selftest' @echo ' kselftest-install - Build and install kernel selftest' @echo ' kselftest-clean - Remove all generated kselftest files' @echo ' kselftest-merge - Merge all the config dependencies of' @echo ' kselftest to existing .config.' |
5a5da78b3 kbuild: kselftest... |
1483 |
@echo '' |
37c8a5faf kbuild: consolida... |
1484 1485 |
@$(if $(dtstree), \ echo 'Devicetree:'; \ |
7aa8dd91d devicetree: Expos... |
1486 1487 1488 1489 |
echo '* dtbs - Build device tree blobs for enabled boards'; \ echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'; \ echo ' dt_binding_check - Validate device tree binding documents'; \ echo ' dtbs_check - Validate device tree source files';\ |
37c8a5faf kbuild: consolida... |
1490 |
echo '') |
31b8cc807 make help: add to... |
1491 1492 1493 1494 |
@echo 'Userspace tools targets:' @echo ' use "make tools/help"' @echo ' or "cd tools; make help"' @echo '' |
1da177e4c Linux-2.6.12-rc2 |
1495 |
@echo 'Kernel packaging:' |
000ec95fb kbuild: pkg: rena... |
1496 |
@$(MAKE) -f $(srctree)/scripts/Makefile.package help |
1da177e4c Linux-2.6.12-rc2 |
1497 1498 |
@echo '' @echo 'Documentation targets:' |
cb43fb577 docs: remove DocB... |
1499 |
@$(MAKE) -f $(srctree)/Documentation/Makefile dochelp |
1da177e4c Linux-2.6.12-rc2 |
1500 |
@echo '' |
01dee1881 kbuild: fix help ... |
1501 |
@echo 'Architecture specific targets ($(SRCARCH)):' |
1da177e4c Linux-2.6.12-rc2 |
1502 |
@$(if $(archhelp),$(archhelp),\ |
01dee1881 kbuild: fix help ... |
1503 |
echo ' No architecture specific help defined for $(SRCARCH)') |
1da177e4c Linux-2.6.12-rc2 |
1504 1505 1506 |
@echo '' @$(if $(boards), \ $(foreach b, $(boards), \ |
4234448b7 kbuild: Extend de... |
1507 1508 |
printf " %-27s - Build for %s\ " $(b) $(subst _defconfig,,$(b));) \ |
1da177e4c Linux-2.6.12-rc2 |
1509 |
echo '') |
5dffbe811 kbuild: show defc... |
1510 1511 1512 1513 1514 1515 1516 |
@$(if $(board-dirs), \ $(foreach b, $(board-dirs), \ printf " %-16s - Show %s-specific targets\ " help-$(b) $(b);) \ printf " %-16s - Show all of the above\ " help-boards; \ echo '') |
1da177e4c Linux-2.6.12-rc2 |
1517 1518 |
@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' |
45d506bd6 kbuild: make V=2 ... |
1519 |
@echo ' make V=2 [targets] 2 => give reason for rebuild of target' |
1da177e4c Linux-2.6.12-rc2 |
1520 |
@echo ' make O=dir [targets] Locate all output files in "dir", including .config' |
a64c0440d kbuild: Wrap long... |
1521 1522 |
@echo ' make C=1 [targets] Check re-compiled c source with $$CHECK' @echo ' (sparse by default)' |
701842e3b kbuild: documenta... |
1523 |
@echo ' make C=2 [targets] Force check of all c source with $$CHECK' |
af07ce3e7 Merge branch 'tip... |
1524 |
@echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' |
e27128db6 kbuild: rename KB... |
1525 |
@echo ' make W=n [targets] Enable extra build checks, n=1,2,3 where' |
28bc20dcc kbuild: implement... |
1526 1527 1528 |
@echo ' 1: warnings which may be relevant and do not occur too often' @echo ' 2: warnings which occur quite often but may still be relevant' @echo ' 3: more obscure warnings, can most likely be ignored' |
a6de553da kbuild: Allow to ... |
1529 |
@echo ' Multiple levels can be combined with W=12 or W=123' |
1da177e4c Linux-2.6.12-rc2 |
1530 1531 1532 |
@echo '' @echo 'Execute "make" or "make all" to build all targets marked with [*] ' @echo 'For further info see the ./README file' |
5dffbe811 kbuild: show defc... |
1533 1534 1535 |
help-board-dirs := $(addprefix help-,$(board-dirs)) help-boards: $(help-board-dirs) |
fbae4d585 kbuild: Fix make ... |
1536 |
boards-per-dir = $(sort $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig))) |
5dffbe811 kbuild: show defc... |
1537 1538 1539 1540 1541 1542 1543 1544 |
$(help-board-dirs): help-%: @echo 'Architecture specific targets ($(SRCARCH) $*):' @$(if $(boards-per-dir), \ $(foreach b, $(boards-per-dir), \ printf " %-24s - Build for %s\ " $*/$(b) $(subst _defconfig,,$(b));) \ echo '') |
1da177e4c Linux-2.6.12-rc2 |
1545 1546 |
# Documentation targets # --------------------------------------------------------------------------- |
e8939222d Documentation: ad... |
1547 1548 |
DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ linkcheckdocs dochelp refcheckdocs |
22cba31ba Documentation/sph... |
1549 |
PHONY += $(DOC_TARGETS) |
bc7b752a7 kbuild: remove un... |
1550 |
$(DOC_TARGETS): |
cb43fb577 docs: remove DocB... |
1551 |
$(Q)$(MAKE) $(build)=Documentation $@ |
1da177e4c Linux-2.6.12-rc2 |
1552 |
|
67274c083 scripts/gdb: dela... |
1553 1554 1555 1556 |
# Misc # --------------------------------------------------------------------------- PHONY += scripts_gdb |
7a739ce51 kbuild: make gdb_... |
1557 |
scripts_gdb: prepare0 |
1e5ff84ff scripts/gdb: do n... |
1558 |
$(Q)$(MAKE) $(build)=scripts/gdb |
8d2e52003 kbuild: create sy... |
1559 |
$(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py) |
67274c083 scripts/gdb: dela... |
1560 1561 1562 1563 |
ifdef CONFIG_GDB_SCRIPTS all: scripts_gdb endif |
1da177e4c Linux-2.6.12-rc2 |
1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 |
else # KBUILD_EXTMOD ### # External module support. # When building external modules the kernel used as basis is considered # read-only, and no consistency checks are made and the make # system is not used on the basis kernel. If updates are required # in the basis kernel ordinary make commands (without M=...) must # be used. # # The following are the only valid targets when building external # modules. # make M=dir clean Delete all automatically generated files # make M=dir modules Make all modules in specified dir # make M=dir Same as 'make M=dir modules' # make M=dir modules_install |
070b98bfd kbuild: trivial f... |
1580 |
# Install the modules built in the module directory |
1da177e4c Linux-2.6.12-rc2 |
1581 1582 1583 1584 |
# Assumes install directory is already created # We are always building modules KBUILD_MODULES := 1 |
1da177e4c Linux-2.6.12-rc2 |
1585 |
|
c99f3918c kbuild: unify vml... |
1586 1587 |
build-dirs := $(KBUILD_EXTMOD) PHONY += modules |
48a0f7279 modpost: show war... |
1588 |
modules: descend |
b805aa0e7 kbuild: make -rR ... |
1589 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
1da177e4c Linux-2.6.12-rc2 |
1590 |
|
4f1933620 kbuild: change kb... |
1591 |
PHONY += modules_install |
a67dc21a3 kbuild: run depmo... |
1592 |
modules_install: _emodinst_ _emodinst_post |
e63046630 kbuild: remove a ... |
1593 |
|
4f1933620 kbuild: change kb... |
1594 1595 |
install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra) PHONY += _emodinst_ |
a67dc21a3 kbuild: run depmo... |
1596 |
_emodinst_: |
a67dc21a3 kbuild: run depmo... |
1597 |
$(Q)mkdir -p $(MODLIB)/$(install-dir) |
b805aa0e7 kbuild: make -rR ... |
1598 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
1599 |
|
4f1933620 kbuild: change kb... |
1600 |
PHONY += _emodinst_post |
a67dc21a3 kbuild: run depmo... |
1601 1602 |
_emodinst_post: _emodinst_ $(call cmd,depmod) |
76cd306d7 kbuild: unify cle... |
1603 |
clean-dirs := $(KBUILD_EXTMOD) |
bc35d4bda scripts/nsdeps: s... |
1604 |
clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps |
1da177e4c Linux-2.6.12-rc2 |
1605 |
|
fe69b420d kbuild: mark help... |
1606 |
PHONY += help |
1da177e4c Linux-2.6.12-rc2 |
1607 1608 1609 1610 1611 1612 1613 1614 |
help: @echo ' Building external modules.' @echo ' Syntax: make -C path/to/kernel/src M=$$PWD target' @echo '' @echo ' modules - default target, build the module(s)' @echo ' modules_install - install the module' @echo ' clean - remove generated files in module directory only' @echo '' |
06300b21f kbuild: support b... |
1615 |
|
059bc9fc3 kbuild: make 'arc... |
1616 |
PHONY += prepare |
1da177e4c Linux-2.6.12-rc2 |
1617 |
endif # KBUILD_EXTMOD |
b1fbfcb4a kbuild: make sing... |
1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 |
# Single targets # --------------------------------------------------------------------------- # To build individual files in subdirectories, you can do like this: # # make foo/bar/baz.s # # The supported suffixes for single-target are listed in 'single-targets' # # To build only under specific subdirectories, you can do like this: # # make foo/bar/baz/ ifdef single-build # .ko is special because modpost is needed single-ko := $(sort $(filter %.ko, $(MAKECMDGOALS))) single-no-ko := $(sort $(patsubst %.ko,%.mod, $(MAKECMDGOALS))) $(single-ko): single_modpost @: $(single-no-ko): descend @: ifeq ($(KBUILD_EXTMOD),) # For the single build of in-tree modules, use a temporary file to avoid # the situation of modules_install installing an invalid modules.order. MODORDER := .modules.tmp endif PHONY += single_modpost single_modpost: $(single-no-ko) $(Q){ $(foreach m, $(single-ko), echo $(extmod-prefix)$m;) } > $(MODORDER) $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost KBUILD_MODULES := 1 export KBUILD_SINGLE_TARGETS := $(addprefix $(extmod-prefix), $(single-no-ko)) # trim unrelated directories build-dirs := $(foreach d, $(build-dirs), \ $(if $(filter $(d)/%, $(KBUILD_SINGLE_TARGETS)), $(d))) endif |
b480fec98 kbuild: clear KBU... |
1661 1662 1663 |
ifndef CONFIG_MODULES KBUILD_MODULES := endif |
c99f3918c kbuild: unify vml... |
1664 1665 1666 1667 1668 1669 1670 1671 |
# Handle descending into subdirectories listed in $(build-dirs) # Preset locale variables to speed up the build process. Limit locale # tweaks to this spot to avoid wrong language settings when running # make menuconfig etc. # Error messages still appears in the original language PHONY += descend $(build-dirs) descend: $(build-dirs) $(build-dirs): prepare |
b1fbfcb4a kbuild: make sing... |
1672 |
$(Q)$(MAKE) $(build)=$@ \ |
20b1be595 kbuild: fix singl... |
1673 |
single-build=$(if $(filter-out $@/, $(filter $@/%, $(KBUILD_SINGLE_TARGETS))),1) \ |
b1fbfcb4a kbuild: make sing... |
1674 |
need-builtin=1 need-modorder=1 |
c99f3918c kbuild: unify vml... |
1675 |
|
76cd306d7 kbuild: unify cle... |
1676 1677 1678 1679 |
clean-dirs := $(addprefix _clean_, $(clean-dirs)) PHONY += $(clean-dirs) clean $(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) |
88d7be031 kbuild: Use a sin... |
1680 |
clean: $(clean-dirs) |
88d7be031 kbuild: Use a sin... |
1681 |
$(call cmd,rmfiles) |
43f67c981 kbuild: Fix GNU m... |
1682 |
@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ |
ef46d9b3d kbuild: clean up ... |
1683 |
\( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \ |
4f0e3a57d kbuild: Add suppo... |
1684 1685 |
-o -name '*.ko.*' \ -o -name '*.dtb' -o -name '*.dtb.S' -o -name '*.dt.yaml' \ |
ef46d9b3d kbuild: clean up ... |
1686 |
-o -name '*.dwo' -o -name '*.lst' \ |
bbc55bded modpost: dump mis... |
1687 |
-o -name '*.su' -o -name '*.mod' \ |
88d7be031 kbuild: Use a sin... |
1688 |
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ |
9a8dfb394 kbuild: clean up ... |
1689 |
-o -name '*.lex.c' -o -name '*.tab.[ch]' \ |
4fa8bc949 kbuild: rename *-... |
1690 |
-o -name '*.asn1.[ch]' \ |
88d7be031 kbuild: Use a sin... |
1691 |
-o -name '*.symtypes' -o -name 'modules.order' \ |
8b41fc445 kbuild: create mo... |
1692 |
-o -name '.tmp_*.o.*' \ |
6b90bd4ba GCC plugin infras... |
1693 |
-o -name '*.c.[012]*.*' \ |
433db3e26 kbuild: Add suppo... |
1694 |
-o -name '*.ll' \ |
88d7be031 kbuild: Use a sin... |
1695 |
-o -name '*.gcno' \) -type f -print | xargs rm -f |
1da177e4c Linux-2.6.12-rc2 |
1696 1697 |
# Generate tags for editors # --------------------------------------------------------------------------- |
a680eedc6 tags and cscope s... |
1698 |
quiet_cmd_tags = GEN $@ |
858805b33 kbuild: add $(BAS... |
1699 |
cmd_tags = $(BASH) $(srctree)/scripts/tags.sh $@ |
1da177e4c Linux-2.6.12-rc2 |
1700 |
|
f4ed1009f kbuild: add GNU G... |
1701 |
tags TAGS cscope gtags: FORCE |
1da177e4c Linux-2.6.12-rc2 |
1702 |
$(call cmd,tags) |
eb8305aec scripts: Coccinel... |
1703 1704 1705 1706 |
# Script to generate missing namespace dependencies # --------------------------------------------------------------------------- PHONY += nsdeps |
bff9c62b5 modpost: do not i... |
1707 |
nsdeps: export KBUILD_NSDEPS=1 |
eb8305aec scripts: Coccinel... |
1708 |
nsdeps: modules |
bff9c62b5 modpost: do not i... |
1709 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/nsdeps |
eb8305aec scripts: Coccinel... |
1710 |
|
1da177e4c Linux-2.6.12-rc2 |
1711 1712 |
# Scripts to check various things for consistency # --------------------------------------------------------------------------- |
279f3dd35 kbuild: add targe... |
1713 |
PHONY += includecheck versioncheck coccicheck namespacecheck export_report |
1da177e4c Linux-2.6.12-rc2 |
1714 |
includecheck: |
436f876cc kbuild: make incl... |
1715 |
find $(srctree)/* $(RCS_FIND_IGNORE) \ |
1da177e4c Linux-2.6.12-rc2 |
1716 |
-name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1717 |
| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl |
1da177e4c Linux-2.6.12-rc2 |
1718 1719 |
versioncheck: |
2ee2d2928 kbuild: make vers... |
1720 |
find $(srctree)/* $(RCS_FIND_IGNORE) \ |
1da177e4c Linux-2.6.12-rc2 |
1721 |
-name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1722 |
| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl |
1da177e4c Linux-2.6.12-rc2 |
1723 |
|
74425eee7 Add a target to u... |
1724 |
coccicheck: |
858805b33 kbuild: add $(BAS... |
1725 |
$(Q)$(BASH) $(srctree)/scripts/$@ |
74425eee7 Add a target to u... |
1726 |
|
1da177e4c Linux-2.6.12-rc2 |
1727 1728 |
namespacecheck: $(PERL) $(srctree)/scripts/namespace.pl |
295ac0518 kbuild: call expo... |
1729 1730 |
export_report: $(PERL) $(srctree)/scripts/export_report.pl |
c398ff00f kbuild: fix error... |
1731 |
PHONY += checkstack kernelrelease kernelversion image_name |
e3ccf6e36 [PATCH] uml: add ... |
1732 |
|
011e3a9ad [PATCH] Fix cross... |
1733 1734 1735 1736 1737 1738 1739 1740 1741 |
# UML needs a little special treatment here. It wants to use the host # toolchain, so needs $(SUBARCH) passed to checkstack.pl. Everyone # else wants $(ARCH), including people doing cross-builds, which means # that $(SUBARCH) doesn't work here. ifeq ($(ARCH), um) CHECKSTACK_ARCH := $(SUBARCH) else CHECKSTACK_ARCH := $(ARCH) endif |
1da177e4c Linux-2.6.12-rc2 |
1742 1743 |
checkstack: $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \ |
75dd47472 kbuild: remove sr... |
1744 |
$(PERL) $(srctree)/scripts/checkstack.pl $(CHECKSTACK_ARCH) |
1da177e4c Linux-2.6.12-rc2 |
1745 |
|
7b8ea53d7 makefile: not nee... |
1746 1747 |
kernelrelease: @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" |
01ab17887 Makefile: "make k... |
1748 |
|
cb58455c4 kbuild: KERNELREL... |
1749 |
kernelversion: |
2244cbd8a kbuild: create .k... |
1750 |
@echo $(KERNELVERSION) |
1da177e4c Linux-2.6.12-rc2 |
1751 |
|
c398ff00f kbuild: fix error... |
1752 1753 |
image_name: @echo $(KBUILD_IMAGE) |
ea01fa9f6 tools: Connect to... |
1754 |
# Clear a bunch of variables before executing the submake |
f47a23ce2 kbuild: move tool... |
1755 1756 1757 1758 |
ifeq ($(quiet),silent_) tools_silent=s endif |
ea01fa9f6 tools: Connect to... |
1759 |
tools/: FORCE |
bf35182ff tools: Honour the... |
1760 |
$(Q)mkdir -p $(objtree)/tools |
75dd47472 kbuild: remove sr... |
1761 |
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ |
ea01fa9f6 tools: Connect to... |
1762 1763 |
tools/%: FORCE |
bf35182ff tools: Honour the... |
1764 |
$(Q)mkdir -p $(objtree)/tools |
75dd47472 kbuild: remove sr... |
1765 |
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $* |
ea01fa9f6 tools: Connect to... |
1766 |
|
1da177e4c Linux-2.6.12-rc2 |
1767 |
quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) |
0663c68c4 kbuild: remove {C... |
1768 |
cmd_rmfiles = rm -rf $(rm-files) |
1da177e4c Linux-2.6.12-rc2 |
1769 |
|
bc3c26fe6 fix typo "is" -> ... |
1770 |
# Run depmod only if we have System.map and depmod is executable |
50a8ec31c kbuild: disable d... |
1771 |
quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) |
569658ddd kbuild: Call depm... |
1772 |
cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \ |
5a144a1ac depmod.sh: remove... |
1773 |
$(KERNELRELEASE) |
50a8ec31c kbuild: disable d... |
1774 |
|
392885ee8 kbuild: let fixde... |
1775 1776 |
# read saved command lines for existing targets existing-targets := $(wildcard $(sort $(targets))) |
1da177e4c Linux-2.6.12-rc2 |
1777 |
|
b999923c2 kbuild: remove em... |
1778 |
-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) |
1da177e4c Linux-2.6.12-rc2 |
1779 |
|
46b7c4925 kbuild: Fix incon... |
1780 |
endif # config-build |
2042b5486 kbuild: unset var... |
1781 1782 |
endif # mixed-build endif # need-sub-make |
1da177e4c Linux-2.6.12-rc2 |
1783 |
|
4f1933620 kbuild: change kb... |
1784 |
PHONY += FORCE |
1da177e4c Linux-2.6.12-rc2 |
1785 |
FORCE: |
4f1933620 kbuild: change kb... |
1786 |
|
bd412d81b kbuild: .PHONY is... |
1787 |
# Declare the contents of the PHONY variable as phony. We keep that |
fe8d0a410 kbuild: fix a few... |
1788 |
# information in a variable so we can use it in if_changed and friends. |
4f1933620 kbuild: change kb... |
1789 |
.PHONY: $(PHONY) |