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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 = 6 |
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SUBLEVEL = 0 |
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EXTRAVERSION = |
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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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# That's our default target when none is given on the command line 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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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. $(lastword $(MAKEFILE_LIST)): ; endif |
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export abs_srctree abs_objtree |
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export sub_make_done := 1 |
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ifeq ($(need-sub-make),1) |
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PHONY += $(MAKECMDGOALS) sub-make |
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$(filter-out _all sub-make $(lastword $(MAKEFILE_LIST)), $(MAKECMDGOALS)) _all: sub-make |
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@: |
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# Invoke a second make in the output directory, passing relevant variables |
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sub-make: |
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$(Q)$(MAKE) -C $(abs_objtree) -f $(abs_srctree)/Makefile $(MAKECMDGOALS) |
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|
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endif # need-sub-make |
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endif # sub_make_done |
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|
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# We process the rest of the Makefile if this is the final invocation of make |
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ifeq ($(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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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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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 $(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one @: __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 := $(ARCH) |
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# Additional ARCH settings for x86 ifeq ($(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 ($(ARCH),sparc64) |
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SRCARCH := sparc |
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endif |
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|
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# Additional ARCH settings for sh ifeq ($(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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HOSTCC = gcc HOSTCXX = g++ |
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KBUILD_HOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 \ |
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-fomit-frame-pointer -std=gnu89 $(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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LD = $(CROSS_COMPILE)ld CC = $(CROSS_COMPILE)gcc CPP = $(CC) -E AR = $(CROSS_COMPILE)ar NM = $(CROSS_COMPILE)nm STRIP = $(CROSS_COMPILE)strip OBJCOPY = $(CROSS_COMPILE)objcopy OBJDUMP = $(CROSS_COMPILE)objdump |
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OBJSIZE = $(CROSS_COMPILE)size |
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READELF = $(CROSS_COMPILE)readelf |
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PAHOLE = pahole |
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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 |
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PERL = perl |
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PYTHON = python |
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PYTHON3 = python3 |
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CHECK = sparse |
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BASH = bash |
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|
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CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ |
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-Wbitwise -Wno-return-void -Wno-unknown-attribute $(CF) |
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NOSTDINC_FLAGS := |
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CFLAGS_MODULE = AFLAGS_MODULE = LDFLAGS_MODULE = |
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CFLAGS_KERNEL = AFLAGS_KERNEL = |
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LDFLAGS_vmlinux = |
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|
abbf1590d UAPI: Partition t... |
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# Use USERINCLUDE when you must reference the UAPI directories only. USERINCLUDE := \ |
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-I$(srctree)/arch/$(SRCARCH)/include/uapi \ -I$(objtree)/arch/$(SRCARCH)/include/generated/uapi \ |
abbf1590d UAPI: Partition t... |
418 |
-I$(srctree)/include/uapi \ |
3308b2856 Kbuild: always pr... |
419 |
-I$(objtree)/include/generated/uapi \ |
abbf1590d UAPI: Partition t... |
420 |
-include $(srctree)/include/linux/kconfig.h |
1da177e4c Linux-2.6.12-rc2 |
421 422 |
# Use LINUXINCLUDE when you must reference the include/ directory. # Needed to be compatible with the O= option |
abbf1590d UAPI: Partition t... |
423 |
LINUXINCLUDE := \ |
9d022c540 kbuild: replace $... |
424 425 |
-I$(srctree)/arch/$(SRCARCH)/include \ -I$(objtree)/arch/$(SRCARCH)/include/generated \ |
051f278e9 kbuild: replace K... |
426 |
$(if $(building_out_of_srctree),-I$(srctree)/include) \ |
f8224f7f4 kbuild: remove du... |
427 428 |
-I$(objtree)/include \ $(USERINCLUDE) |
1da177e4c Linux-2.6.12-rc2 |
429 |
|
42a92bccd kbuild: add -fno-... |
430 |
KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE |
eeb5687a7 kbuild: add -Werr... |
431 |
KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \ |
42a92bccd kbuild: add -fno-... |
432 |
-fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ |
b89f25ea7 kbuild: use -Werr... |
433 |
-Werror=implicit-function-declaration -Werror=implicit-int \ |
51b97e354 kernel: use the g... |
434 |
-Wno-format-security \ |
433dc2ebe kbuild: do not ca... |
435 436 |
-std=gnu89 KBUILD_CPPFLAGS := -D__KERNEL__ |
80c00ba94 kbuild: allow ass... |
437 438 |
KBUILD_AFLAGS_KERNEL := KBUILD_CFLAGS_KERNEL := |
6588169d5 kbuild: allow ass... |
439 440 |
KBUILD_AFLAGS_MODULE := -DMODULE KBUILD_CFLAGS_MODULE := -DMODULE |
10df06385 kbuild: rebuild m... |
441 442 |
KBUILD_LDFLAGS_MODULE := export KBUILD_LDS_MODULE := $(srctree)/scripts/module-common.lds |
d503ac531 kbuild: rename LD... |
443 |
KBUILD_LDFLAGS := |
433dc2ebe kbuild: do not ca... |
444 |
GCC_PLUGINS_CFLAGS := |
5241ab4cf kbuild: initializ... |
445 |
CLANG_FLAGS := |
1da177e4c Linux-2.6.12-rc2 |
446 |
|
aa824e0c9 kbuild: remove AS... |
447 |
export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC |
eefb8c124 x86/boot: kbuild:... |
448 |
export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE READELF PAHOLE LEX YACC AWK INSTALLKERNEL |
94f7345b7 kbuild: remove PY... |
449 |
export PERL PYTHON PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX |
7bac98707 kbuild: add OBJSI... |
450 |
export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE |
1da177e4c Linux-2.6.12-rc2 |
451 |
|
d503ac531 kbuild: rename LD... |
452 |
export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS |
0e410e158 kasan: don't emit... |
453 454 |
export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE export CFLAGS_KASAN CFLAGS_KASAN_NOSANITIZE CFLAGS_UBSAN |
222d394d3 kbuild: enable 'm... |
455 |
export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE |
6588169d5 kbuild: allow ass... |
456 |
export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE |
80c00ba94 kbuild: allow ass... |
457 |
export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL |
1da177e4c Linux-2.6.12-rc2 |
458 |
|
1da177e4c Linux-2.6.12-rc2 |
459 |
# Files to ignore in find ... statements |
ae63b2d7b scripts/tags.sh: ... |
460 461 462 |
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... |
463 464 |
export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ --exclude CVS --exclude .pc --exclude .hg --exclude .git |
1da177e4c Linux-2.6.12-rc2 |
465 466 467 |
# =========================================================================== # Rules shared between *config targets and build targets |
312a3d091 kbuild: trivial c... |
468 |
# Basic helpers built in scripts/basic/ |
4f1933620 kbuild: change kb... |
469 |
PHONY += scripts_basic |
1da177e4c Linux-2.6.12-rc2 |
470 471 |
scripts_basic: $(Q)$(MAKE) $(build)=scripts/basic |
638adb056 tracing: Only pri... |
472 |
$(Q)rm -f .tmp_quiet_recordmcount |
1da177e4c Linux-2.6.12-rc2 |
473 |
|
4f1933620 kbuild: change kb... |
474 |
PHONY += outputmakefile |
e8e83a236 kbuild: move the ... |
475 |
# Before starting out-of-tree build, make sure the source tree is clean. |
fd5f0cd6b kbuild: Do not ov... |
476 477 478 |
# 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... |
479 480 |
# At the same time when output Makefile generated, generate .gitignore to # ignore whole output directory |
1da177e4c Linux-2.6.12-rc2 |
481 |
outputmakefile: |
051f278e9 kbuild: replace K... |
482 |
ifdef building_out_of_srctree |
e8e83a236 kbuild: move the ... |
483 484 485 486 487 488 489 490 491 |
$(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... |
492 |
$(Q)ln -fsn $(srctree) source |
4fd61277f kbuild: do not pa... |
493 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree) |
156e7cbb3 kbuild: do not ov... |
494 495 |
$(Q)test -e .gitignore || \ { echo "# this is build directory, ignore it"; echo "*"; } > .gitignore |
fd5f0cd6b kbuild: Do not ov... |
496 |
endif |
1da177e4c Linux-2.6.12-rc2 |
497 |
|
995167420 kbuild: remove cc... |
498 |
ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) |
ae6b289a3 kbuild: Set KBUIL... |
499 |
ifneq ($(CROSS_COMPILE),) |
5241ab4cf kbuild: initializ... |
500 |
CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) |
ad15006cc kbuild: clang: ch... |
501 |
GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit)) |
238bcbc4e kbuild: consolida... |
502 |
CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR) |
ef8c4ed9d kbuild: allow to ... |
503 |
GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..) |
ae6b289a3 kbuild: Set KBUIL... |
504 505 |
endif ifneq ($(GCC_TOOLCHAIN),) |
238bcbc4e kbuild: consolida... |
506 |
CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN) |
ae6b289a3 kbuild: Set KBUIL... |
507 |
endif |
aa824e0c9 kbuild: remove AS... |
508 |
ifeq ($(if $(AS),$(shell $(AS) --version 2>&1 | head -n 1 | grep clang)),) |
238bcbc4e kbuild: consolida... |
509 |
CLANG_FLAGS += -no-integrated-as |
876a06008 kbuild: Add abili... |
510 |
endif |
589834b3a kbuild: Add -Werr... |
511 |
CLANG_FLAGS += -Werror=unknown-warning-option |
238bcbc4e kbuild: consolida... |
512 513 |
KBUILD_CFLAGS += $(CLANG_FLAGS) KBUILD_AFLAGS += $(CLANG_FLAGS) |
3bd980509 Makefile: Export ... |
514 |
export CLANG_FLAGS |
ae6b289a3 kbuild: Set KBUIL... |
515 |
endif |
315bab4e9 kbuild: fix endle... |
516 517 518 519 |
# The expansion should be delayed until arch/$(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... |
520 |
CC_VERSION_TEXT = $(shell $(CC) --version 2>/dev/null | head -n 1) |
315bab4e9 kbuild: fix endle... |
521 |
|
2042b5486 kbuild: unset var... |
522 |
ifdef config-build |
1da177e4c Linux-2.6.12-rc2 |
523 524 525 526 527 528 529 |
# =========================================================================== # *config targets only - make sure prerequisites are updated, and descend # in scripts/kconfig to make the *config target # Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. # KBUILD_DEFCONFIG may point out an alternative default configuration # used for 'make defconfig' |
a436bb7b8 kbuild: use relat... |
530 |
include arch/$(SRCARCH)/Makefile |
315bab4e9 kbuild: fix endle... |
531 |
export KBUILD_DEFCONFIG KBUILD_KCONFIG CC_VERSION_TEXT |
1da177e4c Linux-2.6.12-rc2 |
532 |
|
36de077b2 kbuild: check cle... |
533 |
config: outputmakefile scripts_basic FORCE |
31110ebbe kbuild: fix make ... |
534 |
$(Q)$(MAKE) $(build)=scripts/kconfig $@ |
36de077b2 kbuild: check cle... |
535 |
%config: outputmakefile scripts_basic FORCE |
1da177e4c Linux-2.6.12-rc2 |
536 |
$(Q)$(MAKE) $(build)=scripts/kconfig $@ |
2042b5486 kbuild: unset var... |
537 |
else #!config-build |
1da177e4c Linux-2.6.12-rc2 |
538 539 540 |
# =========================================================================== # Build targets only - this includes vmlinux, arch specific targets, clean # targets and others. In general all targets except *config targets. |
2c1f4f125 kbuild: re-order ... |
541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 |
# If building an external module we do not care about the all: rule # but instead _all depend on modules PHONY += all ifeq ($(KBUILD_EXTMOD),) _all: all else _all: modules 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. # 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. ifeq ($(MAKECMDGOALS),modules) KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) endif # If we have "make <whatever> modules", compile modules # in addition to whatever we do anyway. # Just "make" or "make all" shall build modules as well |
d85103ac7 kbuild: fix build... |
568 |
ifneq ($(filter all _all modules nsdeps,$(MAKECMDGOALS)),) |
2c1f4f125 kbuild: re-order ... |
569 570 571 572 573 574 575 576 |
KBUILD_MODULES := 1 endif ifeq ($(MAKECMDGOALS),) KBUILD_MODULES := 1 endif export KBUILD_MODULES KBUILD_BUILTIN |
2042b5486 kbuild: unset var... |
577 |
ifdef need-config |
d93a18f27 kbuild: move samp... |
578 579 |
include include/config/auto.conf endif |
1da177e4c Linux-2.6.12-rc2 |
580 |
ifeq ($(KBUILD_EXTMOD),) |
1da177e4c Linux-2.6.12-rc2 |
581 582 |
# Objects we will link into vmlinux / subdirs we need to visit init-y := init/ |
f96182e95 firmware_loader: ... |
583 |
drivers-y := drivers/ sound/ |
d93a18f27 kbuild: move samp... |
584 |
drivers-$(CONFIG_SAMPLES) += samples/ |
1da177e4c Linux-2.6.12-rc2 |
585 586 587 |
net-y := net/ libs-y := lib/ core-y := usr/ |
37d9fe478 virt: Add virt di... |
588 |
virt-y := virt/ |
1da177e4c Linux-2.6.12-rc2 |
589 |
endif # KBUILD_EXTMOD |
315bab4e9 kbuild: fix endle... |
590 591 592 593 594 595 596 597 598 |
# 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... |
599 |
export CFLAGS_GCOV |
315bab4e9 kbuild: fix endle... |
600 |
|
b1f4ff74f tracing/Makefile:... |
601 602 603 604 |
# 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... |
605 606 607 608 609 610 611 612 |
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... |
613 |
include arch/$(SRCARCH)/Makefile |
1da177e4c Linux-2.6.12-rc2 |
614 |
|
2042b5486 kbuild: unset var... |
615 616 |
ifdef need-config ifdef may-sync-config |
315bab4e9 kbuild: fix endle... |
617 618 619 |
# Read in dependencies to all Kconfig* files, make sure to run syncconfig if # changes are detected. This should be included after arch/$(SRCARCH)/Makefile # because some architectures define CROSS_COMPILE there. |
d2f8ae0e4 kbuild: turn auto... |
620 |
include include/config/auto.conf.cmd |
1da177e4c Linux-2.6.12-rc2 |
621 |
|
058507195 kbuild: move ".co... |
622 623 624 625 626 627 628 629 |
$(KCONFIG_CONFIG): @echo >&2 '***' @echo >&2 '*** Configuration file "$@" 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 |
630 |
|
61277981d Makefile: Fix lyi... |
631 632 633 |
# 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... |
634 635 636 |
# # This exploits the 'multi-target pattern rule' trick. # The syncconfig should be executed only once to make all the targets. |
f463c3510 kbuild: add comme... |
637 |
# (Note: use the grouped target '&:' when we bump to GNU Make 4.3) |
8b41fc445 kbuild: create mo... |
638 |
%/auto.conf %/auto.conf.cmd: $(KCONFIG_CONFIG) |
911a91c39 kconfig: rename s... |
639 |
$(Q)$(MAKE) -f $(srctree)/Makefile syncconfig |
2042b5486 kbuild: unset var... |
640 |
else # !may-sync-config |
d79424137 kbuild: do not up... |
641 642 643 |
# 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 ... |
644 645 646 |
PHONY += include/config/auto.conf include/config/auto.conf: |
264a26838 kbuild: move auto... |
647 |
$(Q)test -e include/generated/autoconf.h -a -e $@ || ( \ |
5369f5502 kbuild: Print err... |
648 649 650 651 652 |
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 ... |
653 |
/bin/false) |
d79424137 kbuild: do not up... |
654 |
endif # may-sync-config |
2042b5486 kbuild: unset var... |
655 |
endif # need-config |
1da177e4c Linux-2.6.12-rc2 |
656 |
|
a1c48bb16 Makefile: Fix unr... |
657 |
KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) |
ef6000b4c Disable the __bui... |
658 |
KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) |
bd664f6b3 disable new gcc-7... |
659 660 |
KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) |
6f303d605 gcc-9: silence 'a... |
661 |
KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) |
a1c48bb16 Makefile: Fix unr... |
662 |
|
15f5db60a kbuild,arc: add C... |
663 664 665 666 667 668 |
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 '... |
669 |
endif |
1da177e4c Linux-2.6.12-rc2 |
670 |
|
b303c6df8 kbuild: compute f... |
671 672 673 |
ifdef CONFIG_CC_DISABLE_WARN_MAYBE_UNINITIALIZED KBUILD_CFLAGS += -Wno-maybe-uninitialized endif |
a76bcf557 Kbuild: enable -W... |
674 |
|
69102311a ./Makefile: tell ... |
675 676 |
# 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... |
677 |
KBUILD_CFLAGS += $(call cc-option,-fno-allow-store-data-races) |
69102311a ./Makefile: tell ... |
678 |
|
d677a4d60 Makefile: support... |
679 |
include scripts/Makefile.kcov |
6b90bd4ba GCC plugin infras... |
680 |
include scripts/Makefile.gcc-plugins |
1873e870f debug: Add CONFIG... |
681 682 683 684 685 686 687 688 689 |
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,) \ $(call cc-option,-fno-partial-inlining) endif |
08f67461c kbuild: fix detec... |
690 |
ifneq ($(CONFIG_FRAME_WARN),0) |
a83e4ca26 kbuild: remove cc... |
691 |
KBUILD_CFLAGS += -Wframe-larger-than=$(CONFIG_FRAME_WARN) |
35bb5b1e0 Add option to ena... |
692 |
endif |
2a61f4747 stack-protector: ... |
693 |
stackp-flags-$(CONFIG_CC_HAS_STACKPROTECTOR_NONE) := -fno-stack-protector |
050e9baa9 Kbuild: rename CC... |
694 695 |
stackp-flags-$(CONFIG_STACKPROTECTOR) := -fstack-protector stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG) := -fstack-protector-strong |
2a61f4747 stack-protector: ... |
696 697 |
KBUILD_CFLAGS += $(stackp-flags-y) |
e06b8b98d kbuild: allow -fs... |
698 |
|
076f421da kbuild: replace c... |
699 |
ifdef CONFIG_CC_IS_CLANG |
a14943043 kbuild: add all C... |
700 701 702 |
KBUILD_CPPFLAGS += -Qunused-arguments KBUILD_CFLAGS += -Wno-format-invalid-specifier KBUILD_CFLAGS += -Wno-gnu |
cfe17c9bb kbuild: move cc-o... |
703 |
# Quiet clang warning: comparison of unsigned expression < 0 is always false |
a14943043 kbuild: add all C... |
704 |
KBUILD_CFLAGS += -Wno-tautological-compare |
cfe17c9bb kbuild: move cc-o... |
705 706 707 |
# 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... |
708 |
KBUILD_CFLAGS += -mno-global-merge |
cfe17c9bb kbuild: move cc-o... |
709 710 711 712 |
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-... |
713 |
KBUILD_CFLAGS += -Wno-unused-but-set-variable |
e2079e93f kbuild: Do not en... |
714 715 716 717 718 |
# 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... |
719 |
endif |
0a5f41767 kbuild: clang: di... |
720 |
KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable) |
1da177e4c Linux-2.6.12-rc2 |
721 |
ifdef CONFIG_FRAME_POINTER |
a0f97e06a kbuild: enable 'm... |
722 |
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls |
1da177e4c Linux-2.6.12-rc2 |
723 |
else |
7e9501fde ARM: 6312/1: ftra... |
724 725 726 727 728 729 |
# 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... |
730 |
KBUILD_CFLAGS += -fomit-frame-pointer |
1da177e4c Linux-2.6.12-rc2 |
731 |
endif |
7e9501fde ARM: 6312/1: ftra... |
732 |
endif |
1da177e4c Linux-2.6.12-rc2 |
733 |
|
709a972ef security: Impleme... |
734 735 736 737 |
# Initialize all stack variables with a pattern, if desired. ifdef CONFIG_INIT_STACK_ALL KBUILD_CFLAGS += -ftrivial-auto-var-init=pattern endif |
1e88e415e kbuild: Disable e... |
738 |
DEBUG_CFLAGS := $(call cc-option, -fno-var-tracking-assignments) |
2062afb4f Fix gcc-4.9.0 mis... |
739 |
|
1da177e4c Linux-2.6.12-rc2 |
740 |
ifdef CONFIG_DEBUG_INFO |
866ced950 kbuild: Support s... |
741 |
ifdef CONFIG_DEBUG_INFO_SPLIT |
9d9374440 kbuild: move -gsp... |
742 |
DEBUG_CFLAGS += -gsplit-dwarf |
866ced950 kbuild: Support s... |
743 |
else |
1e88e415e kbuild: Disable e... |
744 |
DEBUG_CFLAGS += -g |
866ced950 kbuild: Support s... |
745 |
endif |
2288328ce all: LLVMLinux: C... |
746 |
KBUILD_AFLAGS += -Wa,-gdwarf-2 |
1da177e4c Linux-2.6.12-rc2 |
747 |
endif |
bfaf2dd35 Kbuild: Add a opt... |
748 |
ifdef CONFIG_DEBUG_INFO_DWARF4 |
9d9374440 kbuild: move -gsp... |
749 |
DEBUG_CFLAGS += -gdwarf-4 |
bfaf2dd35 Kbuild: Add a opt... |
750 |
endif |
1da177e4c Linux-2.6.12-rc2 |
751 |
|
d6f4ceb79 Kbuild: Add optio... |
752 |
ifdef CONFIG_DEBUG_INFO_REDUCED |
1e88e415e kbuild: Disable e... |
753 |
DEBUG_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) \ |
e82c4bb8b Kbuild: Disable v... |
754 |
$(call cc-option,-fno-var-tracking) |
d6f4ceb79 Kbuild: Add optio... |
755 |
endif |
1e88e415e kbuild: Disable e... |
756 757 |
KBUILD_CFLAGS += $(DEBUG_CFLAGS) export DEBUG_CFLAGS |
606576ce8 ftrace: rename FT... |
758 |
ifdef CONFIG_FUNCTION_TRACER |
07d040812 tracing: Avoid ca... |
759 760 761 762 763 764 |
ifdef CONFIG_FTRACE_MCOUNT_RECORD # gcc 5 supports generating the mcount tables directly ifeq ($(call cc-option-yn,-mrecord-mcount),y) CC_FLAGS_FTRACE += -mrecord-mcount export CC_USING_RECORD_MCOUNT := 1 endif |
2f4df0017 tracing: Add -mco... |
765 766 767 768 769 770 |
ifdef CONFIG_HAVE_NOP_MCOUNT ifeq ($(call cc-option-yn, -mnop-mcount),y) CC_FLAGS_FTRACE += -mnop-mcount CC_FLAGS_USING += -DCC_USING_NOP_MCOUNT endif endif |
07d040812 tracing: Avoid ca... |
771 |
endif |
a2546fae0 ftrace: Add -mfen... |
772 |
ifdef CONFIG_HAVE_FENTRY |
f28bc3c32 tracing: Handle C... |
773 774 775 776 |
ifeq ($(call cc-option-yn, -mfentry),y) CC_FLAGS_FTRACE += -mfentry CC_FLAGS_USING += -DCC_USING_FENTRY endif |
a2546fae0 ftrace: Add -mfen... |
777 |
endif |
f28bc3c32 tracing: Handle C... |
778 779 780 |
export CC_FLAGS_FTRACE KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_FLAGS_USING) KBUILD_AFLAGS += $(CC_FLAGS_USING) |
72441cb1f ftrace/x86: Add s... |
781 |
ifdef CONFIG_DYNAMIC_FTRACE |
cf4db2597 ftrace: Rename co... |
782 |
ifdef CONFIG_HAVE_C_RECORDMCOUNT |
72441cb1f ftrace/x86: Add s... |
783 784 785 786 |
BUILD_C_RECORDMCOUNT := y export BUILD_C_RECORDMCOUNT endif endif |
16444a8a4 ftrace: add basic... |
787 |
endif |
91341d4b2 kbuild: introduce... |
788 789 790 791 |
# 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... |
792 |
ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION |
e85d1d65c kbuild: test dead... |
793 794 |
KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections LDFLAGS_vmlinux += --gc-sections |
90ad4052e kbuild: avoid con... |
795 |
endif |
43bd3a95c kbuild: use -fliv... |
796 797 798 |
ifdef CONFIG_LIVEPATCH KBUILD_CFLAGS += $(call cc-option, -flive-patching=inline-clone) endif |
e8e699317 [PATCH] kbuild: S... |
799 |
# arch Makefile may override CC so keep this after arch Makefile is included |
e08d6de4e kbuild: remove kb... |
800 |
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) |
e8e699317 [PATCH] kbuild: S... |
801 |
|
1da177e4c Linux-2.6.12-rc2 |
802 |
# warn about C99 declaration after statement |
a33e7ae29 kbuild: add -Wdec... |
803 |
KBUILD_CFLAGS += -Wdeclaration-after-statement |
1da177e4c Linux-2.6.12-rc2 |
804 |
|
0bb95f80a Makefile: Globall... |
805 |
# Variable Length Arrays (VLAs) should not be used anywhere in the kernel |
8289f913f kbuild: add -Wvla... |
806 |
KBUILD_CFLAGS += -Wvla |
0bb95f80a Makefile: Globall... |
807 |
|
070b98bfd kbuild: trivial f... |
808 |
# disable pointer signed / unsigned warnings in gcc 4.0 |
fb073a4b4 kbuild: add -Wno-... |
809 |
KBUILD_CFLAGS += -Wno-pointer-sign |
1da177e4c Linux-2.6.12-rc2 |
810 |
|
217c3e019 disable stringop ... |
811 812 |
# disable stringop warnings in gcc 8+ KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation) |
fe8d0a410 kbuild: fix a few... |
813 |
# disable invalid "can't wrap" optimizations for signed / pointers |
a137802ee Don't use '-fwrap... |
814 |
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) |
d0115552c Move cc-option to... |
815 |
|
87e0d4f0f kbuild: disable c... |
816 817 818 819 820 821 822 823 |
# 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... |
824 825 |
# Make sure -fstack-check isn't enabled (like gentoo apparently did) KBUILD_CFLAGS += $(call cc-option,-fno-stack-check,) |
8f7f5c9fc kbuild: set -fcon... |
826 827 |
# conserve stack if available KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) |
fe7c36c7b Makefile: Build w... |
828 829 |
# Prohibit date/time macros, which would make the build non-deterministic KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) |
ea8daa7b9 kbuild: Add optio... |
830 831 |
# enforce correct pointer usage KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types) |
c834f0e8a Kbuild: make desi... |
832 833 |
# Require designated initializers for all marked structures KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init) |
a73619a84 kbuild: use -fmac... |
834 835 |
# change __FILE__ to the relative path from the srctree KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) |
29be86d7f kbuild: add -fcf-... |
836 837 838 839 840 |
# 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 |
a436bb7b8 kbuild: use relat... |
841 842 |
include scripts/Makefile.kasan include scripts/Makefile.extrawarn |
c6d308534 UBSAN: run-time u... |
843 |
include scripts/Makefile.ubsan |
a86fe3537 kbuild: move extr... |
844 |
|
8cc7af751 kbuild: remove AR... |
845 846 847 848 |
# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments KBUILD_CPPFLAGS += $(KCPPFLAGS) KBUILD_AFLAGS += $(KAFLAGS) KBUILD_CFLAGS += $(KCFLAGS) |
52bcc3308 kbuild: enable us... |
849 |
|
89ff7131f kbuild: add --has... |
850 851 |
KBUILD_LDFLAGS_MODULE += --build-id LDFLAGS_vmlinux += --build-id |
18991197b Use --build-id ld... |
852 |
|
5d7d18f5b kbuild: make it p... |
853 |
ifeq ($(CONFIG_STRIP_ASM_SYMS),y) |
d79a27195 kbuild: Check if ... |
854 |
LDFLAGS_vmlinux += $(call ld-option, -X,) |
5d7d18f5b kbuild: make it p... |
855 |
endif |
5cf896fb6 arm64: Add suppor... |
856 857 858 |
ifeq ($(CONFIG_RELR),y) LDFLAGS_vmlinux += --pack-dyn-relocs=relr endif |
80591e61a kbuild: tell spar... |
859 860 |
# make the checker run with the right architecture CHECKFLAGS += --arch=$(ARCH) |
145167650 kbuild: add endia... |
861 862 |
# insure the checker run with the right endianness CHECKFLAGS += $(if $(CONFIG_CPU_BIG_ENDIAN),-mbig-endian,-mlittle-endian) |
1f2f01b12 kbuild: add machi... |
863 864 |
# the checker needs the correct machine size CHECKFLAGS += $(if $(CONFIG_64BIT),-m64,-m32) |
1da177e4c Linux-2.6.12-rc2 |
865 |
# Default kernel image to build when no specific target is given. |
070b98bfd kbuild: trivial f... |
866 |
# KBUILD_IMAGE may be overruled on the command line or |
1da177e4c Linux-2.6.12-rc2 |
867 868 869 870 871 872 873 874 875 876 877 |
# set in the environment # Also any assignments in arch/$(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... |
878 879 880 881 882 883 884 |
# 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 |
885 886 |
# 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... |
887 |
# makefile but the argument can be passed to make if needed. |
1da177e4c Linux-2.6.12-rc2 |
888 |
# |
df9df036d kbuild: fix 'make... |
889 |
MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) |
1da177e4c Linux-2.6.12-rc2 |
890 |
export MODLIB |
ac031f26e kbuild: add optio... |
891 |
# |
3fbb43df9 kbuild: trivial -... |
892 893 894 895 |
# 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... |
896 |
|
ac031f26e kbuild: add optio... |
897 898 |
ifdef INSTALL_MOD_STRIP ifeq ($(INSTALL_MOD_STRIP),1) |
2ea038917 Revert "kbuild: s... |
899 |
mod_strip_cmd = $(STRIP) --strip-debug |
ac031f26e kbuild: add optio... |
900 |
else |
2ea038917 Revert "kbuild: s... |
901 |
mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP) |
ac031f26e kbuild: add optio... |
902 903 |
endif # INSTALL_MOD_STRIP=1 else |
2ea038917 Revert "kbuild: s... |
904 |
mod_strip_cmd = true |
ac031f26e kbuild: add optio... |
905 906 |
endif # INSTALL_MOD_STRIP export mod_strip_cmd |
beb50df39 kbuild: handle mo... |
907 908 909 910 911 912 913 |
# 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 |
3d1450d54 Makefile: Force g... |
914 |
mod_compress_cmd = gzip -n -f |
beb50df39 kbuild: handle mo... |
915 916 |
endif # CONFIG_MODULE_COMPRESS_GZIP ifdef CONFIG_MODULE_COMPRESS_XZ |
3d1450d54 Makefile: Force g... |
917 |
mod_compress_cmd = xz -f |
beb50df39 kbuild: handle mo... |
918 919 920 |
endif # CONFIG_MODULE_COMPRESS_XZ endif # CONFIG_MODULE_COMPRESS export mod_compress_cmd |
d9d8d7ed4 MODSIGN: Add opti... |
921 |
ifdef CONFIG_MODULE_SIG_ALL |
3ee550f12 modsign: Handle s... |
922 923 924 |
$(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 ... |
925 926 927 928 |
else mod_sign_cmd = true endif export mod_sign_cmd |
056d28d13 objtool: Query pk... |
929 |
HOST_LIBELF_LIBS = $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) |
9f0c18aec objtool: Fix CONF... |
930 931 |
ifdef CONFIG_STACK_VALIDATION has_libelf := $(call try-run,\ |
056d28d13 objtool: Query pk... |
932 |
echo "int main() {}" | $(HOSTCC) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0) |
9f0c18aec objtool: Fix CONF... |
933 934 935 |
ifeq ($(has_libelf),1) objtool_target := tools/objtool FORCE else |
9f0c18aec objtool: Fix CONF... |
936 937 938 939 |
SKIP_STACK_VALIDATION := 1 export SKIP_STACK_VALIDATION endif endif |
e00d88804 kbuild: mark prep... |
940 |
PHONY += prepare0 |
e2a666d52 kbuild: sign the ... |
941 |
|
394053f4a kbuild: make sing... |
942 |
export MODORDER := $(extmod-prefix)modules.order |
bc35d4bda scripts/nsdeps: s... |
943 |
export MODULES_NSDEPS := $(extmod-prefix)modules.nsdeps |
47801c97d kbuild: revive si... |
944 |
|
1da177e4c Linux-2.6.12-rc2 |
945 |
ifeq ($(KBUILD_EXTMOD),) |
cfc411e7f Move certificate ... |
946 |
core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/ |
1da177e4c Linux-2.6.12-rc2 |
947 948 949 |
vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \ $(core-y) $(core-m) $(drivers-y) $(drivers-m) \ |
37d9fe478 virt: Add virt di... |
950 |
$(net-y) $(net-m) $(libs-y) $(libs-m) $(virt-y))) |
1da177e4c Linux-2.6.12-rc2 |
951 |
|
1eaca4b98 kbuild: move Docu... |
952 953 954 |
vmlinux-alldirs := $(sort $(vmlinux-dirs) Documentation \ $(patsubst %/,%,$(filter %/, $(init-) $(core-) \ $(drivers-) $(net-) $(libs-) $(virt-)))) |
1da177e4c Linux-2.6.12-rc2 |
955 |
|
c99f3918c kbuild: unify vml... |
956 |
build-dirs := $(vmlinux-dirs) |
76cd306d7 kbuild: unify cle... |
957 |
clean-dirs := $(vmlinux-alldirs) |
c99f3918c kbuild: unify vml... |
958 |
|
f49821ee3 kbuild: rename bu... |
959 960 961 962 |
init-y := $(patsubst %/, %/built-in.a, $(init-y)) core-y := $(patsubst %/, %/built-in.a, $(core-y)) drivers-y := $(patsubst %/, %/built-in.a, $(drivers-y)) net-y := $(patsubst %/, %/built-in.a, $(net-y)) |
1da177e4c Linux-2.6.12-rc2 |
963 |
libs-y1 := $(patsubst %/, %/lib.a, $(libs-y)) |
f49821ee3 kbuild: rename bu... |
964 965 |
libs-y2 := $(patsubst %/, %/built-in.a, $(filter-out %.a, $(libs-y))) virt-y := $(patsubst %/, %/built-in.a, $(virt-y)) |
1da177e4c Linux-2.6.12-rc2 |
966 |
|
1f2bfbd00 kbuild: link of v... |
967 |
# Externally visible symbols (used by link-vmlinux.sh) |
d151e9719 kbuild: merge KBU... |
968 969 |
export KBUILD_VMLINUX_OBJS := $(head-y) $(init-y) $(core-y) $(libs-y2) \ $(drivers-y) $(net-y) $(virt-y) |
3a166fc2d kbuild: handle li... |
970 |
export KBUILD_VMLINUX_LIBS := $(libs-y1) |
956985705 kbuild: refactor ... |
971 |
export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds |
1f2bfbd00 kbuild: link of v... |
972 |
export LDFLAGS_vmlinux |
85f0ae7e4 kbuild: update co... |
973 |
# used by scripts/Makefile.package |
233c741dc kbuild: add LICEN... |
974 |
export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) LICENSES arch include scripts tools) |
9bb482476 allow stripping o... |
975 |
|
d151e9719 kbuild: merge KBU... |
976 |
vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_OBJS) $(KBUILD_VMLINUX_LIBS) |
1da177e4c Linux-2.6.12-rc2 |
977 |
|
3fdc7d3fe kbuild: link vmli... |
978 979 |
# Recurse until adjust_autoksyms.sh is satisfied PHONY += autoksyms_recursive |
2441e78b1 kbuild: better ab... |
980 |
ifdef CONFIG_TRIM_UNUSED_KSYMS |
c99f3918c kbuild: unify vml... |
981 |
autoksyms_recursive: descend modules.order |
ba79d401f kbuild: fix call ... |
982 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \ |
865563924 kbuild: fix build... |
983 |
"$(MAKE) -f $(srctree)/Makefile vmlinux" |
2441e78b1 kbuild: better ab... |
984 |
endif |
23121ca2b kbuild: create/ad... |
985 |
|
1f50b80a0 kbuild: move CONF... |
986 987 988 989 990 991 |
# 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) ifdef CONFIG_TRIM_UNUSED_KSYMS KBUILD_MODULES := 1 endif |
07a422bb2 kbuild: restore a... |
992 |
autoksyms_h := $(if $(CONFIG_TRIM_UNUSED_KSYMS), include/generated/autoksyms.h) |
88694cff4 kbuild: generate ... |
993 994 995 |
quiet_cmd_autoksyms_h = GEN $@ cmd_autoksyms_h = mkdir -p $(dir $@); \ $(CONFIG_SHELL) $(srctree)/scripts/gen_autoksyms.sh $@ |
07a422bb2 kbuild: restore a... |
996 |
$(autoksyms_h): |
88694cff4 kbuild: generate ... |
997 |
$(call cmd,autoksyms_h) |
23121ca2b kbuild: create/ad... |
998 |
|
fbe6e37da kbuild: add arch ... |
999 1000 1001 |
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink) # Final link of vmlinux with optional arch pass after final link |
312a3d091 kbuild: trivial c... |
1002 |
cmd_link-vmlinux = \ |
d503ac531 kbuild: rename LD... |
1003 |
$(CONFIG_SHELL) $< $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_vmlinux) ; \ |
fbe6e37da kbuild: add arch ... |
1004 |
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) |
2441e78b1 kbuild: better ab... |
1005 |
|
3fdc7d3fe kbuild: link vmli... |
1006 |
vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE |
1f2bfbd00 kbuild: link of v... |
1007 |
+$(call if_changed,link-vmlinux) |
741f98fe2 kbuild: do sectio... |
1008 |
|
392885ee8 kbuild: let fixde... |
1009 |
targets := vmlinux |
38385f8f0 kbuild: trivial -... |
1010 |
# The actual objects are generated when descending, |
1da177e4c Linux-2.6.12-rc2 |
1011 |
# make sure no implicit rule kicks in |
c99f3918c kbuild: unify vml... |
1012 |
$(sort $(vmlinux-deps)): descend ; |
1da177e4c Linux-2.6.12-rc2 |
1013 |
|
ba97df455 kbuild: use assig... |
1014 |
filechk_kernel.release = \ |
0d0e7718a kbuild: Do not ov... |
1015 |
echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" |
0d0e7718a kbuild: Do not ov... |
1016 |
|
83a35e360 treewide: relase ... |
1017 |
# Store (new) KERNELRELEASE string in include/config/kernel.release |
24512795d kbuild: remove un... |
1018 |
include/config/kernel.release: FORCE |
0d0e7718a kbuild: Do not ov... |
1019 |
$(call filechk,kernel.release) |
cb58455c4 kbuild: KERNELREL... |
1020 |
|
d8821622c kbuild: move 'scr... |
1021 1022 1023 1024 |
# 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... |
1025 |
scripts: scripts_basic scripts_dtc |
d8821622c kbuild: move 'scr... |
1026 |
$(Q)$(MAKE) $(build)=$(@) |
cb58455c4 kbuild: KERNELREL... |
1027 |
|
1da177e4c Linux-2.6.12-rc2 |
1028 |
# Things we need to do before we recursively start building the kernel |
5bb782690 kbuild: rename pr... |
1029 1030 1031 1032 |
# 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 |
1033 |
|
a5139fb36 kbuild: remove pr... |
1034 |
PHONY += prepare archprepare |
5bb782690 kbuild: rename pr... |
1035 |
|
36de077b2 kbuild: check cle... |
1036 |
archprepare: outputmakefile archheaders archscripts scripts include/config/kernel.release \ |
30527cefb kbuild: remove 'p... |
1037 |
asm-generic $(version_h) $(autoksyms_h) include/generated/utsrelease.h |
5bb782690 kbuild: rename pr... |
1038 |
|
65bba0423 kbuild: fix UML b... |
1039 |
prepare0: archprepare |
60df1aee2 kbuild: move modp... |
1040 |
$(Q)$(MAKE) $(build)=scripts/mod |
8d36a6236 kbuild: fix gener... |
1041 |
$(Q)$(MAKE) $(build)=. |
86feeaa81 kbuild: full depe... |
1042 |
|
1da177e4c Linux-2.6.12-rc2 |
1043 |
# All the preparing.. |
b9ab5ebb1 objtool: Add CONF... |
1044 |
prepare: prepare0 prepare-objtool |
2c1f4f125 kbuild: re-order ... |
1045 |
# Support for using generic headers in asm-generic |
7d0e5c205 kbuild: refactor ... |
1046 |
asm-generic := -f $(srctree)/scripts/Makefile.asm-generic obj |
2c1f4f125 kbuild: re-order ... |
1047 1048 |
PHONY += asm-generic uapi-asm-generic asm-generic: uapi-asm-generic |
037fc3368 kbuild: force all... |
1049 1050 |
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/asm \ generic=include/asm-generic |
2c1f4f125 kbuild: re-order ... |
1051 |
uapi-asm-generic: |
037fc3368 kbuild: force all... |
1052 1053 |
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/uapi/asm \ generic=include/uapi/asm-generic |
2c1f4f125 kbuild: re-order ... |
1054 |
|
b9ab5ebb1 objtool: Add CONF... |
1055 |
PHONY += prepare-objtool |
3b27a0c85 objtool: Detect a... |
1056 |
prepare-objtool: $(objtool_target) |
ef7cfd00b kbuild: fix false... |
1057 1058 1059 1060 1061 1062 1063 1064 |
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 |
1065 |
|
1da177e4c Linux-2.6.12-rc2 |
1066 1067 1068 1069 1070 1071 1072 |
# 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... |
1073 1074 1075 1076 1077 |
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... |
1078 |
echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" |
63104eec2 kbuild: introduce... |
1079 |
endef |
1da177e4c Linux-2.6.12-rc2 |
1080 1081 |
define filechk_version.h |
ad7740863 kbuild: change fi... |
1082 |
echo \#define LINUX_VERSION_CODE $(shell \ |
450c6076a Makefile: improve... |
1083 |
expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \ |
ad7740863 kbuild: change fi... |
1084 |
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' |
1da177e4c Linux-2.6.12-rc2 |
1085 |
endef |
43fee2b23 kbuild: do not re... |
1086 |
$(version_h): FORCE |
1da177e4c Linux-2.6.12-rc2 |
1087 |
$(call filechk,version.h) |
223c24a7d kbuild: Automatic... |
1088 |
$(Q)rm -f $(old_version_h) |
1da177e4c Linux-2.6.12-rc2 |
1089 |
|
273b281fa kbuild: move utsr... |
1090 |
include/generated/utsrelease.h: include/config/kernel.release FORCE |
63104eec2 kbuild: introduce... |
1091 |
$(call filechk,utsrelease.h) |
179efcb47 kbuild: add heade... |
1092 1093 |
PHONY += headerdep headerdep: |
9663d9890 kbuild: make head... |
1094 1095 |
$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \ $(srctree)/scripts/headerdep.pl -I$(srctree)/include |
179efcb47 kbuild: add heade... |
1096 |
|
1da177e4c Linux-2.6.12-rc2 |
1097 |
# --------------------------------------------------------------------------- |
8d730cfb5 Basic implementat... |
1098 |
# Kernel headers |
8d730cfb5 Basic implementat... |
1099 |
|
e6883b187 kbuild: refactor ... |
1100 1101 |
#Default location for installed headers export INSTALL_HDR_PATH = $(objtree)/usr |
6d7162758 New 'make headers... |
1102 |
|
59b2bd05f kbuild: add 'head... |
1103 1104 1105 1106 1107 |
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 ... |
1108 |
|
8d730cfb5 Basic implementat... |
1109 |
PHONY += headers_install |
59b2bd05f kbuild: add 'head... |
1110 1111 |
headers_install: headers $(call cmd,headers_install) |
6520fe556 x86, realmode: 16... |
1112 |
|
59b2bd05f kbuild: add 'head... |
1113 |
PHONY += archheaders archscripts |
e6883b187 kbuild: refactor ... |
1114 |
|
a5bae54c1 kbuild: move hdr-... |
1115 |
hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj |
6d7162758 New 'make headers... |
1116 |
|
59b2bd05f kbuild: add 'head... |
1117 1118 |
PHONY += headers headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts |
9d022c540 kbuild: replace $... |
1119 |
$(if $(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/Kbuild),, \ |
10b63956f UAPI: Plumb the U... |
1120 |
$(error Headers not exportable for the $(SRCARCH) architecture)) |
d5470d144 kbuild: re-implem... |
1121 1122 |
$(Q)$(MAKE) $(hdr-inst)=include/uapi $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi |
1f85712e6 [PATCH] new tople... |
1123 |
|
7ecaf069d kbuild: move head... |
1124 |
# Deprecated. It is no-op now. |
684753599 Basic implementat... |
1125 |
PHONY += headers_check |
7ecaf069d kbuild: move head... |
1126 1127 |
headers_check: @: |
684753599 Basic implementat... |
1128 |
|
e949f4c2d kbuild: add CONFI... |
1129 |
ifdef CONFIG_HEADERS_INSTALL |
59b2bd05f kbuild: add 'head... |
1130 |
prepare: headers |
e949f4c2d kbuild: add CONFI... |
1131 |
endif |
684753599 Basic implementat... |
1132 |
|
bdd7714b6 kbuild: build all... |
1133 1134 1135 |
PHONY += scripts_unifdef scripts_unifdef: scripts_basic $(Q)$(MAKE) $(build)=scripts scripts/unifdef |
8d730cfb5 Basic implementat... |
1136 |
# --------------------------------------------------------------------------- |
5a5da78b3 kbuild: kselftest... |
1137 1138 1139 1140 |
# Kernel selftest PHONY += kselftest kselftest: |
2bc84526d Makefile: kselfte... |
1141 |
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests |
5a5da78b3 kbuild: kselftest... |
1142 |
|
17eac6c2d selftests: Add ks... |
1143 1144 |
kselftest-%: FORCE $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests $* |
dcb825a9f kselftest: add ks... |
1145 |
|
3d6dee7af Makefile: add kse... |
1146 1147 1148 |
PHONY += kselftest-merge kselftest-merge: $(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!)) |
6d3db46c8 kbuild: teach kse... |
1149 1150 |
$(Q)find $(srctree)/tools/testing/selftests -name config | \ xargs $(srctree)/scripts/kconfig/merge_config.sh -m $(objtree)/.config |
3e4c6948e kbuild: remove un... |
1151 |
$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
3d6dee7af Makefile: add kse... |
1152 |
|
5a5da78b3 kbuild: kselftest... |
1153 |
# --------------------------------------------------------------------------- |
37c8a5faf kbuild: consolida... |
1154 1155 1156 1157 1158 1159 1160 |
# Devicetree files ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),) dtstree := arch/$(SRCARCH)/boot/dts endif ifneq ($(dtstree),) |
a5139fb36 kbuild: remove pr... |
1161 |
%.dtb: include/config/kernel.release scripts_dtc |
37c8a5faf kbuild: consolida... |
1162 |
$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ |
c473a8d03 kbuild: add dt_bi... |
1163 |
PHONY += dtbs dtbs_install dtbs_check |
b5154bf63 kbuild: avoid con... |
1164 |
dtbs: include/config/kernel.release scripts_dtc |
37c8a5faf kbuild: consolida... |
1165 |
$(Q)$(MAKE) $(build)=$(dtstree) |
b5154bf63 kbuild: avoid con... |
1166 |
ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),) |
e10c4321d kbuild: allow to ... |
1167 |
export CHECK_DTBS=y |
b5154bf63 kbuild: avoid con... |
1168 1169 |
dtbs: dt_binding_check endif |
b5154bf63 kbuild: avoid con... |
1170 |
dtbs_check: dtbs |
4f0e3a57d kbuild: Add suppo... |
1171 |
|
37c8a5faf kbuild: consolida... |
1172 |
dtbs_install: |
2431f22a9 kbuild: compute t... |
1173 |
$(Q)$(MAKE) $(dtbinst)=$(dtstree) dst=$(INSTALL_DTBS_PATH) |
37c8a5faf kbuild: consolida... |
1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 |
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 ... |
1184 1185 1186 |
ifneq ($(filter dt_binding_check, $(MAKECMDGOALS)),) export CHECK_DT_BINDING=y endif |
c473a8d03 kbuild: add dt_bi... |
1187 |
PHONY += dt_binding_check |
4f0e3a57d kbuild: Add suppo... |
1188 1189 |
dt_binding_check: scripts_dtc $(Q)$(MAKE) $(build)=Documentation/devicetree/bindings |
37c8a5faf kbuild: consolida... |
1190 |
# --------------------------------------------------------------------------- |
1da177e4c Linux-2.6.12-rc2 |
1191 1192 1193 |
# Modules ifdef CONFIG_MODULES |
070b98bfd kbuild: trivial f... |
1194 |
# By default, build modules as well |
1da177e4c Linux-2.6.12-rc2 |
1195 |
|
73d1393eb kbuild: Generate ... |
1196 |
all: modules |
1da177e4c Linux-2.6.12-rc2 |
1197 |
|
3fbb43df9 kbuild: trivial -... |
1198 |
# Build modules |
551559e13 kbuild: implement... |
1199 |
# |
3fbb43df9 kbuild: trivial -... |
1200 1201 1202 |
# 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 |
1203 |
|
4f1933620 kbuild: change kb... |
1204 |
PHONY += modules |
8b41fc445 kbuild: create mo... |
1205 |
modules: $(if $(KBUILD_BUILTIN),vmlinux) modules.order |
b805aa0e7 kbuild: make -rR ... |
1206 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
3a48a9190 kbuild: check uni... |
1207 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/modules-check.sh |
1da177e4c Linux-2.6.12-rc2 |
1208 |
|
c99f3918c kbuild: unify vml... |
1209 1210 |
modules.order: descend $(Q)$(AWK) '!x[$$0]++' $(addsuffix /$@, $(build-dirs)) > $@ |
68980b470 kbuild: split mod... |
1211 |
|
1da177e4c Linux-2.6.12-rc2 |
1212 |
# Target to prepare building external modules |
4f1933620 kbuild: change kb... |
1213 |
PHONY += modules_prepare |
059bc9fc3 kbuild: make 'arc... |
1214 |
modules_prepare: prepare |
1da177e4c Linux-2.6.12-rc2 |
1215 1216 |
# Target to install modules |
4f1933620 kbuild: change kb... |
1217 |
PHONY += modules_install |
1da177e4c Linux-2.6.12-rc2 |
1218 |
modules_install: _modinst_ _modinst_post |
4f1933620 kbuild: change kb... |
1219 |
PHONY += _modinst_ |
2da30e703 kbuild: Generate ... |
1220 |
_modinst_: |
1da177e4c Linux-2.6.12-rc2 |
1221 1222 1223 |
@rm -rf $(MODLIB)/kernel @rm -f $(MODLIB)/source @mkdir -p $(MODLIB)/kernel |
8e9b46679 kbuild: use $(abs... |
1224 |
@ln -s $(abspath $(srctree)) $(MODLIB)/source |
1da177e4c Linux-2.6.12-rc2 |
1225 1226 |
@if [ ! $(objtree) -ef $(MODLIB)/build ]; then \ rm -f $(MODLIB)/build ; \ |
7e1c04779 kbuild: Use relat... |
1227 |
ln -s $(CURDIR) $(MODLIB)/build ; \ |
1da177e4c Linux-2.6.12-rc2 |
1228 |
fi |
1bd9a4680 kbuild: get rid o... |
1229 |
@sed 's:^:kernel/:' modules.order > $(MODLIB)/modules.order |
8b41fc445 kbuild: create mo... |
1230 |
@cp -f modules.builtin $(MODLIB)/ |
898490c01 moduleparam: Save... |
1231 |
@cp -f $(objtree)/modules.builtin.modinfo $(MODLIB)/ |
b805aa0e7 kbuild: make -rR ... |
1232 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
1233 |
|
50a8ec31c kbuild: disable d... |
1234 |
# This depmod is only for convenience to give the initial |
1da177e4c Linux-2.6.12-rc2 |
1235 1236 |
# boot a modules.dep even before / is mounted read-write. However the # boot script depmod is the master version. |
4f1933620 kbuild: change kb... |
1237 |
PHONY += _modinst_post |
6d128e1e7 Revert "Makefile:... |
1238 |
_modinst_post: _modinst_ |
50a8ec31c kbuild: disable d... |
1239 |
$(call cmd,depmod) |
1da177e4c Linux-2.6.12-rc2 |
1240 |
|
d890f510c MODSIGN: Add modu... |
1241 1242 1243 1244 1245 |
ifeq ($(CONFIG_MODULE_SIG), y) PHONY += modules_sign modules_sign: $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modsign endif |
1da177e4c Linux-2.6.12-rc2 |
1246 1247 1248 1249 |
else # CONFIG_MODULES # Modules not configured # --------------------------------------------------------------------------- |
612e47cec kbuild: specify m... |
1250 1251 |
PHONY += modules modules_install modules modules_install: |
5369f5502 kbuild: Print err... |
1252 1253 1254 1255 1256 |
@echo >&2 @echo >&2 "The present kernel configuration has modules disabled." @echo >&2 "Type 'make config' and enable loadable module support." @echo >&2 "Then build a kernel with module support enabled." @echo >&2 |
1da177e4c Linux-2.6.12-rc2 |
1257 1258 1259 |
@exit 1 endif # CONFIG_MODULES |
1da177e4c Linux-2.6.12-rc2 |
1260 1261 1262 1263 1264 1265 1266 1267 |
### # Cleaning is done on three levels. # make clean Delete most generated files # Leave enough to build external modules # make mrproper Delete the current configuration, and all generated files # make distclean Remove editor backup files, patch leftover files and the like # Directories & files removed with 'make clean' |
b7dca6dd1 kbuild: create *.... |
1268 |
CLEAN_DIRS += include/ksym |
8b41fc445 kbuild: create mo... |
1269 |
CLEAN_FILES += modules.builtin modules.builtin.modinfo modules.nsdeps |
1da177e4c Linux-2.6.12-rc2 |
1270 1271 |
# Directories & files removed with 'make mrproper' |
d6fc9fcba kbuild: compile-t... |
1272 |
MRPROPER_DIRS += include/config include/generated \ |
46a63d4b0 kbuild: pkg: clea... |
1273 1274 |
arch/$(SRCARCH)/include/generated .tmp_objdiff \ debian/ snap/ tar-install/ |
278ae6040 kbuild: link-vmli... |
1275 |
MRPROPER_FILES += .config .config.old .version \ |
46457133a kbuild: remove ta... |
1276 |
Module.symvers \ |
fb1179499 modsign: Use sing... |
1277 1278 |
signing_key.pem signing_key.priv signing_key.x509 \ x509.genkey extra_certificates signing_key.x509.keyid \ |
46a63d4b0 kbuild: pkg: clea... |
1279 1280 |
signing_key.x509.signer vmlinux-gdb.py \ *.spec |
1da177e4c Linux-2.6.12-rc2 |
1281 |
|
46457133a kbuild: remove ta... |
1282 1283 1284 |
# Directories & files removed with 'make distclean' DISTCLEAN_DIRS += DISTCLEAN_FILES += tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS |
1da177e4c Linux-2.6.12-rc2 |
1285 1286 1287 1288 |
# clean - Delete most, but leave enough to build external modules # clean: rm-dirs := $(CLEAN_DIRS) clean: rm-files := $(CLEAN_FILES) |
1da177e4c Linux-2.6.12-rc2 |
1289 |
|
76cd306d7 kbuild: unify cle... |
1290 |
PHONY += archclean vmlinuxclean |
1da177e4c Linux-2.6.12-rc2 |
1291 |
|
bd1ee804a kbuild: Do not re... |
1292 1293 |
vmlinuxclean: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean |
fbe6e37da kbuild: add arch ... |
1294 |
$(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean) |
bd1ee804a kbuild: Do not re... |
1295 1296 |
clean: archclean vmlinuxclean |
1da177e4c Linux-2.6.12-rc2 |
1297 1298 1299 1300 1301 |
# mrproper - Delete all generated files, including .config # mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) |
cb43fb577 docs: remove DocB... |
1302 |
mrproper-dirs := $(addprefix _mrproper_,scripts) |
1da177e4c Linux-2.6.12-rc2 |
1303 |
|
b421b8a6c kbuild: remove un... |
1304 |
PHONY += $(mrproper-dirs) mrproper |
1da177e4c Linux-2.6.12-rc2 |
1305 1306 |
$(mrproper-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) |
b421b8a6c kbuild: remove un... |
1307 |
mrproper: clean $(mrproper-dirs) |
1da177e4c Linux-2.6.12-rc2 |
1308 1309 1310 1311 1312 |
$(call cmd,rmdirs) $(call cmd,rmfiles) # distclean # |
46457133a kbuild: remove ta... |
1313 1314 |
distclean: rm-dirs := $(wildcard $(DISTCLEAN_DIRS)) distclean: rm-files := $(wildcard $(DISTCLEAN_FILES)) |
4f1933620 kbuild: change kb... |
1315 |
PHONY += distclean |
1da177e4c Linux-2.6.12-rc2 |
1316 1317 |
distclean: mrproper |
46457133a kbuild: remove ta... |
1318 1319 |
$(call cmd,rmdirs) $(call cmd,rmfiles) |
1da177e4c Linux-2.6.12-rc2 |
1320 |
@find $(srctree) $(RCS_FIND_IGNORE) \ |
070b98bfd kbuild: trivial f... |
1321 |
\( -name '*.orig' -o -name '*.rej' -o -name '*~' \ |
f78271dfb kbuild: drop unne... |
1322 1323 |
-o -name '*.bak' -o -name '#*#' -o -name '*%' \ -o -name 'core' \) \ |
1da177e4c Linux-2.6.12-rc2 |
1324 1325 1326 1327 1328 |
-type f -print | xargs rm -f # Packaging of the kernel to various formats # --------------------------------------------------------------------------- |
1da177e4c Linux-2.6.12-rc2 |
1329 |
|
bafb67470 perf tools: Allow... |
1330 |
%src-pkg: FORCE |
000ec95fb kbuild: pkg: rena... |
1331 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.package $@ |
031ecc6de kbuild: add depen... |
1332 |
%pkg: include/config/kernel.release FORCE |
000ec95fb kbuild: pkg: rena... |
1333 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.package $@ |
1da177e4c Linux-2.6.12-rc2 |
1334 1335 1336 |
# Brief documentation of the typical targets used # --------------------------------------------------------------------------- |
5dffbe811 kbuild: show defc... |
1337 |
boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig) |
a1e7b7bb1 Makefile: sort li... |
1338 |
boards := $(sort $(notdir $(boards))) |
5dffbe811 kbuild: show defc... |
1339 1340 |
board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig)) board-dirs := $(sort $(notdir $(board-dirs:/=))) |
1da177e4c Linux-2.6.12-rc2 |
1341 |
|
fe69b420d kbuild: mark help... |
1342 |
PHONY += help |
1da177e4c Linux-2.6.12-rc2 |
1343 1344 |
help: @echo 'Cleaning targets:' |
5ea084ef9 Use consistent ca... |
1345 |
@echo ' clean - Remove most generated files but keep the config and' |
5cc8d246d kbuild: add distc... |
1346 |
@echo ' enough build support to build external modules' |
5ea084ef9 Use consistent ca... |
1347 |
@echo ' mrproper - Remove all generated files + config + various backup files' |
5cc8d246d kbuild: add distc... |
1348 |
@echo ' distclean - mrproper + remove editor backup and patch files' |
1da177e4c Linux-2.6.12-rc2 |
1349 1350 1351 1352 1353 1354 1355 1356 |
@echo '' @echo 'Configuration targets:' @$(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 ... |
1357 |
@echo ' modules_install - Install all modules to INSTALL_MOD_PATH (default: /)' |
1da177e4c Linux-2.6.12-rc2 |
1358 |
@echo ' dir/ - Build all files in dir and below' |
40ab87a40 Makefile: revert ... |
1359 |
@echo ' dir/file.[ois] - Build specified target only' |
433db3e26 kbuild: Add suppo... |
1360 1361 |
@echo ' dir/file.ll - Build the LLVM assembly file' @echo ' (requires compiler support for LLVM assembly generation)' |
627189797 Makefile: Documen... |
1362 1363 |
@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... |
1364 |
@echo ' dir/file.ko - Build module including final link' |
c4d5ee67c kbuild: "make pre... |
1365 |
@echo ' modules_prepare - Set up for building external modules' |
1da177e4c Linux-2.6.12-rc2 |
1366 1367 |
@echo ' tags/TAGS - Generate tags file for editors' @echo ' cscope - Generate cscope index' |
f4ed1009f kbuild: add GNU G... |
1368 |
@echo ' gtags - Generate GNU GLOBAL index' |
3f1d9a6ce kbuild: make -s s... |
1369 1370 1371 |
@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... |
1372 |
@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ |
59df3230f [PATCH] `make hel... |
1373 |
echo ' (default: $(INSTALL_HDR_PATH))'; \ |
2fb9b1bd9 kbuild: prepare h... |
1374 |
echo '' |
31b8cc807 make help: add to... |
1375 |
@echo 'Static analysers:' |
1da177e4c Linux-2.6.12-rc2 |
1376 1377 |
@echo ' checkstack - Generate a list of stack hogs' @echo ' namespacecheck - Name space analysis on compiled kernel' |
aa025e7d5 kbuild: document ... |
1378 |
@echo ' versioncheck - Sanity check on version.h usage' |
ec2d987f9 kbuild: add 'incl... |
1379 |
@echo ' includecheck - Check for duplicate included header files' |
295ac0518 kbuild: call expo... |
1380 |
@echo ' export_report - List the usages of all exported symbols' |
74425eee7 Add a target to u... |
1381 |
@echo ' headerdep - Detect inclusion cycles in headers' |
7f855fc80 kbuild: move cocc... |
1382 |
@echo ' coccicheck - Check with Coccinelle' |
74425eee7 Add a target to u... |
1383 |
@echo '' |
eb8305aec scripts: Coccinel... |
1384 1385 1386 |
@echo 'Tools:' @echo ' nsdeps - Generate missing symbol namespace dependencies' @echo '' |
31b8cc807 make help: add to... |
1387 |
@echo 'Kernel selftest:' |
e51d8dacf Makefile: Update ... |
1388 1389 1390 1391 1392 1393 1394 1395 1396 |
@echo ' kselftest - Build and run kernel selftest' @echo ' Build, install, and boot kernel before' @echo ' running kselftest on it' @echo ' Run as root for full coverage' @echo ' kselftest-all - Build kernel selftest' @echo ' kselftest-install - Build and install kernel selftest' @echo ' kselftest-clean - Remove all generated kselftest files' @echo ' kselftest-merge - Merge all the config dependencies of' @echo ' kselftest to existing .config.' |
5a5da78b3 kbuild: kselftest... |
1397 |
@echo '' |
37c8a5faf kbuild: consolida... |
1398 1399 |
@$(if $(dtstree), \ echo 'Devicetree:'; \ |
7aa8dd91d devicetree: Expos... |
1400 1401 1402 1403 |
echo '* dtbs - Build device tree blobs for enabled boards'; \ echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'; \ echo ' dt_binding_check - Validate device tree binding documents'; \ echo ' dtbs_check - Validate device tree source files';\ |
37c8a5faf kbuild: consolida... |
1404 |
echo '') |
31b8cc807 make help: add to... |
1405 1406 1407 1408 |
@echo 'Userspace tools targets:' @echo ' use "make tools/help"' @echo ' or "cd tools; make help"' @echo '' |
1da177e4c Linux-2.6.12-rc2 |
1409 |
@echo 'Kernel packaging:' |
000ec95fb kbuild: pkg: rena... |
1410 |
@$(MAKE) -f $(srctree)/scripts/Makefile.package help |
1da177e4c Linux-2.6.12-rc2 |
1411 1412 |
@echo '' @echo 'Documentation targets:' |
cb43fb577 docs: remove DocB... |
1413 |
@$(MAKE) -f $(srctree)/Documentation/Makefile dochelp |
1da177e4c Linux-2.6.12-rc2 |
1414 |
@echo '' |
01dee1881 kbuild: fix help ... |
1415 |
@echo 'Architecture specific targets ($(SRCARCH)):' |
1da177e4c Linux-2.6.12-rc2 |
1416 |
@$(if $(archhelp),$(archhelp),\ |
01dee1881 kbuild: fix help ... |
1417 |
echo ' No architecture specific help defined for $(SRCARCH)') |
1da177e4c Linux-2.6.12-rc2 |
1418 1419 1420 |
@echo '' @$(if $(boards), \ $(foreach b, $(boards), \ |
4234448b7 kbuild: Extend de... |
1421 1422 |
printf " %-27s - Build for %s\ " $(b) $(subst _defconfig,,$(b));) \ |
1da177e4c Linux-2.6.12-rc2 |
1423 |
echo '') |
5dffbe811 kbuild: show defc... |
1424 1425 1426 1427 1428 1429 1430 |
@$(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 |
1431 1432 |
@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' |
45d506bd6 kbuild: make V=2 ... |
1433 |
@echo ' make V=2 [targets] 2 => give reason for rebuild of target' |
1da177e4c Linux-2.6.12-rc2 |
1434 |
@echo ' make O=dir [targets] Locate all output files in "dir", including .config' |
a64c0440d kbuild: Wrap long... |
1435 1436 |
@echo ' make C=1 [targets] Check re-compiled c source with $$CHECK' @echo ' (sparse by default)' |
701842e3b kbuild: documenta... |
1437 |
@echo ' make C=2 [targets] Force check of all c source with $$CHECK' |
af07ce3e7 Merge branch 'tip... |
1438 |
@echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' |
e27128db6 kbuild: rename KB... |
1439 |
@echo ' make W=n [targets] Enable extra build checks, n=1,2,3 where' |
28bc20dcc kbuild: implement... |
1440 1441 1442 |
@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 ... |
1443 |
@echo ' Multiple levels can be combined with W=12 or W=123' |
1da177e4c Linux-2.6.12-rc2 |
1444 1445 1446 |
@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... |
1447 1448 1449 |
help-board-dirs := $(addprefix help-,$(board-dirs)) help-boards: $(help-board-dirs) |
fbae4d585 kbuild: Fix make ... |
1450 |
boards-per-dir = $(sort $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig))) |
5dffbe811 kbuild: show defc... |
1451 1452 1453 1454 1455 1456 1457 1458 |
$(help-board-dirs): help-%: @echo 'Architecture specific targets ($(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 |
1459 1460 |
# Documentation targets # --------------------------------------------------------------------------- |
e8939222d Documentation: ad... |
1461 1462 |
DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ linkcheckdocs dochelp refcheckdocs |
22cba31ba Documentation/sph... |
1463 |
PHONY += $(DOC_TARGETS) |
bc7b752a7 kbuild: remove un... |
1464 |
$(DOC_TARGETS): |
cb43fb577 docs: remove DocB... |
1465 |
$(Q)$(MAKE) $(build)=Documentation $@ |
1da177e4c Linux-2.6.12-rc2 |
1466 |
|
67274c083 scripts/gdb: dela... |
1467 1468 1469 1470 |
# Misc # --------------------------------------------------------------------------- PHONY += scripts_gdb |
7a739ce51 kbuild: make gdb_... |
1471 |
scripts_gdb: prepare0 |
1e5ff84ff scripts/gdb: do n... |
1472 |
$(Q)$(MAKE) $(build)=scripts/gdb |
8d2e52003 kbuild: create sy... |
1473 |
$(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py) |
67274c083 scripts/gdb: dela... |
1474 1475 1476 1477 |
ifdef CONFIG_GDB_SCRIPTS all: scripts_gdb endif |
1da177e4c Linux-2.6.12-rc2 |
1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 |
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... |
1494 |
# Install the modules built in the module directory |
1da177e4c Linux-2.6.12-rc2 |
1495 1496 1497 1498 |
# Assumes install directory is already created # We are always building modules KBUILD_MODULES := 1 |
1da177e4c Linux-2.6.12-rc2 |
1499 |
|
4f1933620 kbuild: change kb... |
1500 |
PHONY += $(objtree)/Module.symvers |
1da177e4c Linux-2.6.12-rc2 |
1501 1502 1503 1504 1505 1506 |
$(objtree)/Module.symvers: @test -e $(objtree)/Module.symvers || ( \ echo; \ echo " WARNING: Symbol version dump $(objtree)/Module.symvers"; \ echo " is missing; modules will have no dependencies and modversions."; \ echo ) |
c99f3918c kbuild: unify vml... |
1507 1508 1509 |
build-dirs := $(KBUILD_EXTMOD) PHONY += modules modules: descend $(objtree)/Module.symvers |
b805aa0e7 kbuild: make -rR ... |
1510 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
1da177e4c Linux-2.6.12-rc2 |
1511 |
|
4f1933620 kbuild: change kb... |
1512 |
PHONY += modules_install |
a67dc21a3 kbuild: run depmo... |
1513 |
modules_install: _emodinst_ _emodinst_post |
e63046630 kbuild: remove a ... |
1514 |
|
4f1933620 kbuild: change kb... |
1515 1516 |
install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra) PHONY += _emodinst_ |
a67dc21a3 kbuild: run depmo... |
1517 |
_emodinst_: |
a67dc21a3 kbuild: run depmo... |
1518 |
$(Q)mkdir -p $(MODLIB)/$(install-dir) |
b805aa0e7 kbuild: make -rR ... |
1519 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
1520 |
|
4f1933620 kbuild: change kb... |
1521 |
PHONY += _emodinst_post |
a67dc21a3 kbuild: run depmo... |
1522 1523 |
_emodinst_post: _emodinst_ $(call cmd,depmod) |
76cd306d7 kbuild: unify cle... |
1524 |
clean-dirs := $(KBUILD_EXTMOD) |
bc35d4bda scripts/nsdeps: s... |
1525 |
clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps |
1da177e4c Linux-2.6.12-rc2 |
1526 |
|
d4945049a kbuild: remove 'm... |
1527 1528 1529 |
PHONY += / /: @echo >&2 '"$(MAKE) /" is no longer supported. Please use "$(MAKE) ./" instead.' |
fe69b420d kbuild: mark help... |
1530 |
PHONY += help |
1da177e4c Linux-2.6.12-rc2 |
1531 1532 1533 1534 1535 1536 1537 1538 |
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... |
1539 |
|
059bc9fc3 kbuild: make 'arc... |
1540 |
PHONY += prepare |
1da177e4c Linux-2.6.12-rc2 |
1541 |
endif # KBUILD_EXTMOD |
b1fbfcb4a kbuild: make sing... |
1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 |
# 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 |
c99f3918c kbuild: unify vml... |
1585 1586 1587 1588 1589 1590 1591 1592 |
# 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... |
1593 |
$(Q)$(MAKE) $(build)=$@ \ |
f566e1fba kbuild: make mult... |
1594 |
single-build=$(if $(filter-out $@/, $(filter $@/%, $(single-no-ko))),1) \ |
b1fbfcb4a kbuild: make sing... |
1595 |
need-builtin=1 need-modorder=1 |
c99f3918c kbuild: unify vml... |
1596 |
|
76cd306d7 kbuild: unify cle... |
1597 1598 1599 1600 |
clean-dirs := $(addprefix _clean_, $(clean-dirs)) PHONY += $(clean-dirs) clean $(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) |
88d7be031 kbuild: Use a sin... |
1601 1602 1603 |
clean: $(clean-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) |
43f67c981 kbuild: Fix GNU m... |
1604 |
@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ |
ef46d9b3d kbuild: clean up ... |
1605 |
\( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \ |
4f0e3a57d kbuild: Add suppo... |
1606 1607 |
-o -name '*.ko.*' \ -o -name '*.dtb' -o -name '*.dtb.S' -o -name '*.dt.yaml' \ |
ef46d9b3d kbuild: clean up ... |
1608 |
-o -name '*.dwo' -o -name '*.lst' \ |
bbc55bded modpost: dump mis... |
1609 |
-o -name '*.su' -o -name '*.mod' \ |
88d7be031 kbuild: Use a sin... |
1610 |
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ |
9a8dfb394 kbuild: clean up ... |
1611 |
-o -name '*.lex.c' -o -name '*.tab.[ch]' \ |
4fa8bc949 kbuild: rename *-... |
1612 |
-o -name '*.asn1.[ch]' \ |
88d7be031 kbuild: Use a sin... |
1613 |
-o -name '*.symtypes' -o -name 'modules.order' \ |
8b41fc445 kbuild: create mo... |
1614 |
-o -name '.tmp_*.o.*' \ |
6b90bd4ba GCC plugin infras... |
1615 |
-o -name '*.c.[012]*.*' \ |
433db3e26 kbuild: Add suppo... |
1616 |
-o -name '*.ll' \ |
88d7be031 kbuild: Use a sin... |
1617 |
-o -name '*.gcno' \) -type f -print | xargs rm -f |
1da177e4c Linux-2.6.12-rc2 |
1618 1619 |
# Generate tags for editors # --------------------------------------------------------------------------- |
a680eedc6 tags and cscope s... |
1620 |
quiet_cmd_tags = GEN $@ |
858805b33 kbuild: add $(BAS... |
1621 |
cmd_tags = $(BASH) $(srctree)/scripts/tags.sh $@ |
1da177e4c Linux-2.6.12-rc2 |
1622 |
|
f4ed1009f kbuild: add GNU G... |
1623 |
tags TAGS cscope gtags: FORCE |
1da177e4c Linux-2.6.12-rc2 |
1624 |
$(call cmd,tags) |
eb8305aec scripts: Coccinel... |
1625 1626 1627 1628 |
# Script to generate missing namespace dependencies # --------------------------------------------------------------------------- PHONY += nsdeps |
bff9c62b5 modpost: do not i... |
1629 |
nsdeps: export KBUILD_NSDEPS=1 |
eb8305aec scripts: Coccinel... |
1630 |
nsdeps: modules |
bff9c62b5 modpost: do not i... |
1631 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/nsdeps |
eb8305aec scripts: Coccinel... |
1632 |
|
1da177e4c Linux-2.6.12-rc2 |
1633 1634 |
# Scripts to check various things for consistency # --------------------------------------------------------------------------- |
279f3dd35 kbuild: add targe... |
1635 |
PHONY += includecheck versioncheck coccicheck namespacecheck export_report |
1da177e4c Linux-2.6.12-rc2 |
1636 |
includecheck: |
436f876cc kbuild: make incl... |
1637 |
find $(srctree)/* $(RCS_FIND_IGNORE) \ |
1da177e4c Linux-2.6.12-rc2 |
1638 |
-name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1639 |
| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl |
1da177e4c Linux-2.6.12-rc2 |
1640 1641 |
versioncheck: |
2ee2d2928 kbuild: make vers... |
1642 |
find $(srctree)/* $(RCS_FIND_IGNORE) \ |
1da177e4c Linux-2.6.12-rc2 |
1643 |
-name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1644 |
| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl |
1da177e4c Linux-2.6.12-rc2 |
1645 |
|
74425eee7 Add a target to u... |
1646 |
coccicheck: |
858805b33 kbuild: add $(BAS... |
1647 |
$(Q)$(BASH) $(srctree)/scripts/$@ |
74425eee7 Add a target to u... |
1648 |
|
1da177e4c Linux-2.6.12-rc2 |
1649 1650 |
namespacecheck: $(PERL) $(srctree)/scripts/namespace.pl |
295ac0518 kbuild: call expo... |
1651 1652 |
export_report: $(PERL) $(srctree)/scripts/export_report.pl |
c398ff00f kbuild: fix error... |
1653 |
PHONY += checkstack kernelrelease kernelversion image_name |
e3ccf6e36 [PATCH] uml: add ... |
1654 |
|
011e3a9ad [PATCH] Fix cross... |
1655 1656 1657 1658 1659 1660 1661 1662 1663 |
# 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 |
1664 1665 |
checkstack: $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \ |
75dd47472 kbuild: remove sr... |
1666 |
$(PERL) $(srctree)/scripts/checkstack.pl $(CHECKSTACK_ARCH) |
1da177e4c Linux-2.6.12-rc2 |
1667 |
|
7b8ea53d7 makefile: not nee... |
1668 1669 |
kernelrelease: @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" |
01ab17887 Makefile: "make k... |
1670 |
|
cb58455c4 kbuild: KERNELREL... |
1671 |
kernelversion: |
2244cbd8a kbuild: create .k... |
1672 |
@echo $(KERNELVERSION) |
1da177e4c Linux-2.6.12-rc2 |
1673 |
|
c398ff00f kbuild: fix error... |
1674 1675 |
image_name: @echo $(KBUILD_IMAGE) |
ea01fa9f6 tools: Connect to... |
1676 |
# Clear a bunch of variables before executing the submake |
f47a23ce2 kbuild: move tool... |
1677 1678 1679 1680 |
ifeq ($(quiet),silent_) tools_silent=s endif |
ea01fa9f6 tools: Connect to... |
1681 |
tools/: FORCE |
bf35182ff tools: Honour the... |
1682 |
$(Q)mkdir -p $(objtree)/tools |
75dd47472 kbuild: remove sr... |
1683 |
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ |
ea01fa9f6 tools: Connect to... |
1684 1685 |
tools/%: FORCE |
bf35182ff tools: Honour the... |
1686 |
$(Q)mkdir -p $(objtree)/tools |
75dd47472 kbuild: remove sr... |
1687 |
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $* |
ea01fa9f6 tools: Connect to... |
1688 |
|
38385f8f0 kbuild: trivial -... |
1689 |
# FIXME Should go into a make.lib or something |
1da177e4c Linux-2.6.12-rc2 |
1690 1691 1692 1693 1694 1695 1696 |
# =========================================================================== quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) cmd_rmdirs = rm -rf $(rm-dirs) quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) cmd_rmfiles = rm -f $(rm-files) |
bc3c26fe6 fix typo "is" -> ... |
1697 |
# Run depmod only if we have System.map and depmod is executable |
50a8ec31c kbuild: disable d... |
1698 |
quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) |
569658ddd kbuild: Call depm... |
1699 |
cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \ |
5a144a1ac depmod.sh: remove... |
1700 |
$(KERNELRELEASE) |
50a8ec31c kbuild: disable d... |
1701 |
|
392885ee8 kbuild: let fixde... |
1702 1703 |
# read saved command lines for existing targets existing-targets := $(wildcard $(sort $(targets))) |
1da177e4c Linux-2.6.12-rc2 |
1704 |
|
b999923c2 kbuild: remove em... |
1705 |
-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) |
1da177e4c Linux-2.6.12-rc2 |
1706 |
|
46b7c4925 kbuild: Fix incon... |
1707 |
endif # config-build |
2042b5486 kbuild: unset var... |
1708 1709 |
endif # mixed-build endif # need-sub-make |
1da177e4c Linux-2.6.12-rc2 |
1710 |
|
4f1933620 kbuild: change kb... |
1711 |
PHONY += FORCE |
1da177e4c Linux-2.6.12-rc2 |
1712 |
FORCE: |
4f1933620 kbuild: change kb... |
1713 |
|
bd412d81b kbuild: .PHONY is... |
1714 |
# Declare the contents of the PHONY variable as phony. We keep that |
fe8d0a410 kbuild: fix a few... |
1715 |
# information in a variable so we can use it in if_changed and friends. |
4f1933620 kbuild: change kb... |
1716 |
.PHONY: $(PHONY) |