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b24413180 License cleanup: ... |
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# SPDX-License-Identifier: GPL-2.0 |
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VERSION = 4 |
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PATCHLEVEL = 17 |
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SUBLEVEL = 0 |
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EXTRAVERSION = -rc1 |
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NAME = Fearless Coyote |
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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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# o Do not use make's built-in rules and variables # (this increases performance and avoids hard-to-debug behaviour); # o Look for make include files relative to root of kernel src MAKEFLAGS += -rR --include-dir=$(CURDIR) |
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# Avoid funny character set dependencies |
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unexport LC_ALL |
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LC_COLLATE=C LC_NUMERIC=C |
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export LC_COLLATE LC_NUMERIC |
c051346b7 Makefile: set LC_... |
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|
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# Avoid interference with shell env settings unexport GREP_OPTIONS |
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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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# 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 $@ :< # # If KBUILD_VERBOSE equals 0 then the above command will be hidden. # If KBUILD_VERBOSE equals 1 then the above command is displayed. # |
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# To put more focus on warnings, be less verbose as default # Use 'make V=1' to see the full commands |
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ifeq ("$(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 --%,$(MAKEFLAGS))),) |
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quiet=silent_ |
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tools_silent=s |
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endif |
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export quiet Q KBUILD_VERBOSE |
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# kbuild supports saving output files in a separate directory. # To locate output files in a separate directory two syntaxes are supported. # In both cases the working directory must be the root of the kernel src. # 1) O= # Use "make O=dir/to/store/output/files/" |
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# |
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# 2) Set KBUILD_OUTPUT # Set the environment variable KBUILD_OUTPUT to point to the directory # where the output files shall be placed. # export KBUILD_OUTPUT=dir/to/store/output/files/ # make # # The O= assignment takes precedence over the KBUILD_OUTPUT environment # variable. |
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# KBUILD_SRC is not intended to be used by the regular user (for now), # it is set on invocation of make with KBUILD_OUTPUT or O= specified. |
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ifeq ($(KBUILD_SRC),) # OK, Make called in directory where kernel src resides # Do we want to locate output files in a separate directory? |
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ifeq ("$(origin O)", "command line") KBUILD_OUTPUT := $(O) |
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endif |
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# Cancel implicit rules on top Makefile $(CURDIR)/Makefile Makefile: ; |
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ifneq ($(words $(subst :, ,$(CURDIR))), 1) $(error main directory cannot contain spaces nor colons) endif |
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ifneq ($(KBUILD_OUTPUT),) |
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# check that the output directory actually exists saved-output := $(KBUILD_OUTPUT) |
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KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ |
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&& pwd) |
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$(if $(KBUILD_OUTPUT),, \ |
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$(error failed to create output directory "$(saved-output)")) |
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|
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PHONY += $(MAKECMDGOALS) sub-make |
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$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make |
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@: |
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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: |
745a25432 kbuild: use $(Q) ... |
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$(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \ |
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-f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) |
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# Leave processing to above invocation of make skip-makefile := 1 endif # ifneq ($(KBUILD_OUTPUT),) endif # ifeq ($(KBUILD_SRC),) # We process the rest of the Makefile if this is the final invocation of make ifeq ($(skip-makefile),) |
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# Do not print "Entering directory ...", # but we want to display it when entering to the output directory # so that IDEs/editors are able to understand relative filenames. MAKEFLAGS += --no-print-directory |
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# Call a source code checker (by default, "sparse") as part of the # C compilation. # # Use 'make C=1' to enable checking of only re-compiled files. # Use 'make C=2' to enable checking of *all* source files, regardless # of whether they are re-compiled or not. # |
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# See the file "Documentation/dev-tools/sparse.rst" for more details, # including where to get the "sparse" utility. |
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ifeq ("$(origin C)", "command line") KBUILD_CHECKSRC = $(C) endif ifndef KBUILD_CHECKSRC KBUILD_CHECKSRC = 0 endif # Use make M=dir to specify directory of external module to build # Old syntax make ... SUBDIRS=$PWD is still supported # Setting the environment variable KBUILD_EXTMOD take precedence ifdef SUBDIRS KBUILD_EXTMOD ?= $(SUBDIRS) endif ifeq ("$(origin M)", "command line") KBUILD_EXTMOD := $(M) endif |
9da0763bd kbuild: Use relat... |
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ifeq ($(KBUILD_SRC),) # building in the source tree srctree := . else ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR))) # building in a subdirectory of the source tree srctree := .. else srctree := $(KBUILD_SRC) endif endif |
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export KBUILD_CHECKSRC KBUILD_EXTMOD KBUILD_SRC |
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objtree := . |
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src := $(srctree) obj := $(objtree) |
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VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) |
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export 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 \ $(version_h) headers_% archheaders archscripts \ kernelversion %src-pkg config-targets := 0 mixed-targets := 0 dot-config := 1 ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) dot-config := 0 endif endif ifeq ($(KBUILD_EXTMOD),) ifneq ($(filter config %config,$(MAKECMDGOALS)),) config-targets := 1 ifneq ($(words $(MAKECMDGOALS)),1) mixed-targets := 1 endif endif endif |
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# For "make -j clean all", "make -j mrproper defconfig all", etc. ifneq ($(filter $(clean-targets),$(MAKECMDGOALS)),) ifneq ($(filter-out $(clean-targets),$(MAKECMDGOALS)),) mixed-targets := 1 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)),) mixed-targets := 1 endif endif ifeq ($(mixed-targets),1) # =========================================================================== # 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 else # We need some generic definitions (do not try to remake the file). scripts/Kbuild.include: ; 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 |
1da177e4c Linux-2.6.12-rc2 |
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# SUBARCH tells the usermode build what the underlying arch is. That is set # first, and if a usermode build is happening, the "ARCH=um" on the command # line overrides the setting of ARCH below. If a native build is happening, |
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# then ARCH is assigned, getting whatever value it gets normally, and |
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# SUBARCH is subsequently ignored. |
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SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ -e s/sun4u/sparc64/ \ |
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-e s/arm.*/arm/ -e s/sa110/arm/ \ |
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-e s/s390x/s390/ -e s/parisc64/parisc/ \ |
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-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ |
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-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \ -e s/riscv.*/riscv/) |
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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. |
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# A third alternative is to store a setting in .config so that plain # "make" in the configured kernel build directory always uses that. |
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# 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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CROSS_COMPILE ?= $(CONFIG_CROSS_COMPILE:"%"=%) |
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# Architecture as present in compile.h |
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UTS_MACHINE := $(ARCH) SRCARCH := $(ARCH) |
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|
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# Additional ARCH settings for x86 ifeq ($(ARCH),i386) SRCARCH := x86 endif ifeq ($(ARCH),x86_64) SRCARCH := x86 endif |
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# Additional ARCH settings for sparc |
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ifeq ($(ARCH),sparc32) SRCARCH := sparc endif |
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ifeq ($(ARCH),sparc64) |
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SRCARCH := sparc |
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endif |
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# Additional ARCH settings for sh ifeq ($(ARCH),sh64) SRCARCH := sh endif |
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KCONFIG_CONFIG ?= .config |
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export KCONFIG_CONFIG |
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|
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# SHELL used by kbuild CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ else if [ -x /bin/bash ]; then echo /bin/bash; \ else echo sh; fi ; fi) |
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HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS) HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS) HOST_LFS_LIBS := $(shell getconf LFS_LIBS) |
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HOSTCC = gcc HOSTCXX = g++ |
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HOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 \ -fomit-frame-pointer -std=gnu89 $(HOST_LFS_CFLAGS) HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) HOST_LOADLIBES := $(HOST_LFS_LIBS) |
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# Make variables (CC, etc...) |
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AS = $(CROSS_COMPILE)as 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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LEX = flex YACC = bison |
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AWK = awk GENKSYMS = scripts/genksyms/genksyms |
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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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PYTHON2 = python2 PYTHON3 = python3 |
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CHECK = sparse |
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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/$(SRCARCH)/include/generated/uapi \ |
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-I$(srctree)/include/uapi \ |
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-I$(objtree)/include/generated/uapi \ |
abbf1590d UAPI: Partition t... |
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-include $(srctree)/include/linux/kconfig.h |
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# Use LINUXINCLUDE when you must reference the include/ directory. # Needed to be compatible with the O= option |
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LINUXINCLUDE := \ |
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-I$(srctree)/arch/$(SRCARCH)/include \ -I$(objtree)/arch/$(SRCARCH)/include/generated \ |
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$(if $(KBUILD_SRC), -I$(srctree)/include) \ |
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-I$(objtree)/include \ $(USERINCLUDE) |
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|
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KBUILD_AFLAGS := -D__ASSEMBLY__ |
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KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ |
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-fno-strict-aliasing -fno-common -fshort-wchar \ |
a8735821d Kbuild: Disable t... |
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-Werror-implicit-function-declaration \ |
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-Wno-format-security \ |
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-std=gnu89 KBUILD_CPPFLAGS := -D__KERNEL__ |
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KBUILD_AFLAGS_KERNEL := KBUILD_CFLAGS_KERNEL := |
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KBUILD_AFLAGS_MODULE := -DMODULE KBUILD_CFLAGS_MODULE := -DMODULE KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds |
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LDFLAGS := |
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GCC_PLUGINS_CFLAGS := |
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|
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export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC |
d7f14c66c kbuild: Enable La... |
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export CPP AR NM STRIP OBJCOPY OBJDUMP HOSTLDFLAGS HOST_LOADLIBES |
e9781b52d kbuild: add PYTHO... |
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export MAKE LEX YACC AWK GENKSYMS INSTALLKERNEL PERL PYTHON PYTHON2 PYTHON3 UTS_MACHINE |
070b98bfd kbuild: trivial f... |
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export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS |
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export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS |
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export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE export CFLAGS_KASAN CFLAGS_KASAN_NOSANITIZE CFLAGS_UBSAN |
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export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE |
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export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE |
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export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL |
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export KBUILD_ARFLAGS |
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# When compiling out-of-tree modules, put MODVERDIR in the module # tree rather than in the kernel tree. The kernel tree might # even be read-only. export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions |
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# Files to ignore in find ... statements |
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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... |
429 430 |
export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ --exclude CVS --exclude .pc --exclude .hg --exclude .git |
1da177e4c Linux-2.6.12-rc2 |
431 432 433 |
# =========================================================================== # Rules shared between *config targets and build targets |
312a3d091 kbuild: trivial c... |
434 |
# Basic helpers built in scripts/basic/ |
4f1933620 kbuild: change kb... |
435 |
PHONY += scripts_basic |
1da177e4c Linux-2.6.12-rc2 |
436 437 |
scripts_basic: $(Q)$(MAKE) $(build)=scripts/basic |
638adb056 tracing: Only pri... |
438 |
$(Q)rm -f .tmp_quiet_recordmcount |
1da177e4c Linux-2.6.12-rc2 |
439 |
|
cd05e6bdc [PATCH] kbuild: f... |
440 441 |
# To avoid any implicit rule to kick in, define an empty command. scripts/basic/%: scripts_basic ; |
4f1933620 kbuild: change kb... |
442 |
PHONY += outputmakefile |
fd5f0cd6b kbuild: Do not ov... |
443 444 445 |
# outputmakefile generates a Makefile in the output directory, if using a # separate output directory. This allows convenient use of make in the # output directory. |
1da177e4c Linux-2.6.12-rc2 |
446 |
outputmakefile: |
fd5f0cd6b kbuild: Do not ov... |
447 |
ifneq ($(KBUILD_SRC),) |
929799973 kbuild: create th... |
448 |
$(Q)ln -fsn $(srctree) source |
fd5f0cd6b kbuild: Do not ov... |
449 450 451 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) endif |
1da177e4c Linux-2.6.12-rc2 |
452 |
|
ae6b289a3 kbuild: Set KBUIL... |
453 454 455 456 457 458 459 460 461 462 |
ifeq ($(cc-name),clang) ifneq ($(CROSS_COMPILE),) CLANG_TARGET := --target=$(notdir $(CROSS_COMPILE:%-=%)) GCC_TOOLCHAIN := $(realpath $(dir $(shell which $(LD)))/..) endif ifneq ($(GCC_TOOLCHAIN),) CLANG_GCC_TC := --gcc-toolchain=$(GCC_TOOLCHAIN) endif KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) |
0f0e8de33 kbuild: set no-in... |
463 464 |
KBUILD_CFLAGS += $(call cc-option, -no-integrated-as) KBUILD_AFLAGS += $(call cc-option, -no-integrated-as) |
ae6b289a3 kbuild: Set KBUIL... |
465 |
endif |
d5028ba8e objtool, retpolin... |
466 467 468 469 |
RETPOLINE_CFLAGS_GCC := -mindirect-branch=thunk-extern -mindirect-branch-register RETPOLINE_CFLAGS_CLANG := -mretpoline-external-thunk RETPOLINE_CFLAGS := $(call cc-option,$(RETPOLINE_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_CFLAGS_CLANG))) export RETPOLINE_CFLAGS |
e501ce957 x86: Force asm-goto |
470 471 472 473 474 475 |
# check for 'asm goto' ifeq ($(call shell-cached,$(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) CC_HAVE_ASM_GOTO := 1 KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO endif |
1da177e4c Linux-2.6.12-rc2 |
476 477 478 479 480 481 482 483 |
ifeq ($(config-targets),1) # =========================================================================== # *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... |
484 |
include arch/$(SRCARCH)/Makefile |
61bee2044 x86, um: get rid ... |
485 |
export KBUILD_DEFCONFIG KBUILD_KCONFIG |
1da177e4c Linux-2.6.12-rc2 |
486 |
|
31110ebbe kbuild: fix make ... |
487 |
config: scripts_basic outputmakefile FORCE |
31110ebbe kbuild: fix make ... |
488 489 490 |
$(Q)$(MAKE) $(build)=scripts/kconfig $@ %config: scripts_basic outputmakefile FORCE |
1da177e4c Linux-2.6.12-rc2 |
491 492 493 494 495 496 |
$(Q)$(MAKE) $(build)=scripts/kconfig $@ else # =========================================================================== # Build targets only - this includes vmlinux, arch specific targets, clean # targets and others. In general all targets except *config targets. |
2c1f4f125 kbuild: re-order ... |
497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 |
# If building an external module we do not care about the all: rule # but instead _all depend on modules PHONY += all ifeq ($(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 $(CONFIG_MODVERSIONS),1) endif # If we have "make <whatever> modules", compile modules # in addition to whatever we do anyway. # Just "make" or "make all" shall build modules as well ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) KBUILD_MODULES := 1 endif ifeq ($(MAKECMDGOALS),) KBUILD_MODULES := 1 endif export KBUILD_MODULES KBUILD_BUILTIN |
1da177e4c Linux-2.6.12-rc2 |
534 |
ifeq ($(KBUILD_EXTMOD),) |
1da177e4c Linux-2.6.12-rc2 |
535 536 |
# Objects we will link into vmlinux / subdirs we need to visit init-y := init/ |
df85b2d76 firmware: Restore... |
537 |
drivers-y := drivers/ sound/ firmware/ |
1da177e4c Linux-2.6.12-rc2 |
538 539 540 |
net-y := net/ libs-y := lib/ core-y := usr/ |
37d9fe478 virt: Add virt di... |
541 |
virt-y := virt/ |
1da177e4c Linux-2.6.12-rc2 |
542 543 544 |
endif # KBUILD_EXTMOD ifeq ($(dot-config),1) |
9ee4e3365 kbuild: external ... |
545 546 |
# Read in config -include include/config/auto.conf |
1da177e4c Linux-2.6.12-rc2 |
547 |
|
9ee4e3365 kbuild: external ... |
548 |
ifeq ($(KBUILD_EXTMOD),) |
1da177e4c Linux-2.6.12-rc2 |
549 550 |
# Read in dependencies to all Kconfig* files, make sure to run # oldconfig if changes are detected. |
c955ccafc kconfig: fix .con... |
551 |
-include include/config/auto.conf.cmd |
1da177e4c Linux-2.6.12-rc2 |
552 |
|
1da177e4c Linux-2.6.12-rc2 |
553 |
# To avoid any implicit rule to kick in, define an empty command |
14cdd3c40 kconfig: KCONFIG_... |
554 |
$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; |
1da177e4c Linux-2.6.12-rc2 |
555 |
|
61277981d Makefile: Fix lyi... |
556 557 558 |
# 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). |
bc081dd6e kbuild: generate ... |
559 |
include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd |
911a91c39 kconfig: rename s... |
560 |
$(Q)$(MAKE) -f $(srctree)/Makefile syncconfig |
1da177e4c Linux-2.6.12-rc2 |
561 |
else |
264a26838 kbuild: move auto... |
562 |
# external modules needs include/generated/autoconf.h and include/config/auto.conf |
9ee4e3365 kbuild: external ... |
563 564 565 566 |
# but do not care if they are up-to-date. Use auto.conf to trigger the test PHONY += include/config/auto.conf include/config/auto.conf: |
264a26838 kbuild: move auto... |
567 |
$(Q)test -e include/generated/autoconf.h -a -e $@ || ( \ |
5369f5502 kbuild: Print err... |
568 569 570 571 572 |
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 ... |
573 574 575 |
/bin/false) endif # KBUILD_EXTMOD |
c955ccafc kconfig: fix .con... |
576 |
|
1da177e4c Linux-2.6.12-rc2 |
577 578 |
else # Dummy target needed, because used as prerequisite |
c955ccafc kconfig: fix .con... |
579 |
include/config/auto.conf: ; |
9ee4e3365 kbuild: external ... |
580 |
endif # $(dot-config) |
1da177e4c Linux-2.6.12-rc2 |
581 582 583 584 |
# 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 |
c84471614 Makefile: clarify... |
585 |
# Defaults to vmlinux, but the arch makefile usually adds further targets |
1da177e4c Linux-2.6.12-rc2 |
586 |
all: vmlinux |
433dc2ebe kbuild: do not ca... |
587 588 589 |
KBUILD_CFLAGS += $(call cc-option,-fno-PIE) KBUILD_AFLAGS += $(call cc-option,-fno-PIE) CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,) |
433dc2ebe kbuild: do not ca... |
590 |
export CFLAGS_GCOV CFLAGS_KCOV |
6dd3f13e4 kbuild: Do not pi... |
591 592 593 594 595 |
# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default # values of the respective KBUILD_* variables ARCH_CPPFLAGS := ARCH_AFLAGS := ARCH_CFLAGS := |
a436bb7b8 kbuild: use relat... |
596 |
include arch/$(SRCARCH)/Makefile |
a1c48bb16 Makefile: Fix unr... |
597 598 |
KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) |
ef6000b4c Disable the __bui... |
599 |
KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) |
bd664f6b3 disable new gcc-7... |
600 601 602 |
KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context) |
a1c48bb16 Makefile: Fix unr... |
603 |
|
1da177e4c Linux-2.6.12-rc2 |
604 |
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE |
6748cb3c2 kbuild: use -Oz i... |
605 606 |
KBUILD_CFLAGS += $(call cc-option,-Oz,-Os) KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,) |
1da177e4c Linux-2.6.12-rc2 |
607 |
else |
815eb71e7 Kbuild: disable '... |
608 |
ifdef CONFIG_PROFILE_ALL_BRANCHES |
a76bcf557 Kbuild: enable -W... |
609 |
KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,) |
815eb71e7 Kbuild: disable '... |
610 611 612 |
else KBUILD_CFLAGS += -O2 endif |
1da177e4c Linux-2.6.12-rc2 |
613 |
endif |
a76bcf557 Kbuild: enable -W... |
614 615 |
KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \ $(call cc-disable-warning,maybe-uninitialized,)) |
69102311a ./Makefile: tell ... |
616 617 |
# Tell gcc to never replace conditional load with a non-conditional one KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) |
d677a4d60 Makefile: support... |
618 |
include scripts/Makefile.kcov |
6b90bd4ba GCC plugin infras... |
619 |
include scripts/Makefile.gcc-plugins |
1873e870f debug: Add CONFIG... |
620 621 622 623 624 625 626 627 628 |
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,) \ $(call cc-option,-fno-partial-inlining) endif |
08f67461c kbuild: fix detec... |
629 |
ifneq ($(CONFIG_FRAME_WARN),0) |
35bb5b1e0 Add option to ena... |
630 631 |
KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN}) endif |
c965b105b kbuild: abort bui... |
632 633 634 |
# This selects the stack protector compiler flag. Testing it is delayed # until after .config has been reprocessed, in the prepare-compiler-check # target. |
44c6dc940 Makefile: introdu... |
635 636 637 638 |
ifdef CONFIG_CC_STACKPROTECTOR_AUTO stackp-flag := $(call cc-option,-fstack-protector-strong,$(call cc-option,-fstack-protector)) stackp-name := AUTO else |
8779657d2 stackprotector: I... |
639 |
ifdef CONFIG_CC_STACKPROTECTOR_REGULAR |
19952a920 stackprotector: U... |
640 |
stackp-flag := -fstack-protector |
c965b105b kbuild: abort bui... |
641 |
stackp-name := REGULAR |
6c15b327c Makefile: fix bui... |
642 643 |
else ifdef CONFIG_CC_STACKPROTECTOR_STRONG |
8779657d2 stackprotector: I... |
644 |
stackp-flag := -fstack-protector-strong |
c965b105b kbuild: abort bui... |
645 |
stackp-name := STRONG |
19952a920 stackprotector: U... |
646 |
else |
44c6dc940 Makefile: introdu... |
647 648 649 650 |
# If either there is no stack protector for this architecture or # CONFIG_CC_STACKPROTECTOR_NONE is selected, we're done, and $(stackp-name) # is empty, skipping all remaining stack protector tests. # |
19952a920 stackprotector: U... |
651 |
# Force off for distro compilers that enable stack protector by default. |
44c6dc940 Makefile: introdu... |
652 653 |
KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) endif |
5d707e9c8 stackprotector: u... |
654 |
endif |
6c15b327c Makefile: fix bui... |
655 |
endif |
c965b105b kbuild: abort bui... |
656 |
# Find arch-specific stack protector compiler sanity-checking script. |
2bc2f688f Makefile: move st... |
657 |
ifdef stackp-name |
44c6dc940 Makefile: introdu... |
658 |
ifneq ($(stackp-flag),) |
228d96c60 kbuild: Abort bui... |
659 660 |
stackp-path := $(srctree)/scripts/gcc-$(SRCARCH)_$(BITS)-has-stack-protector.sh stackp-check := $(wildcard $(stackp-path)) |
2b8383927 Makefile: move st... |
661 662 663 664 665 666 |
# If the wildcard test matches a test script, run it to check functionality. ifdef stackp-check ifneq ($(shell $(CONFIG_SHELL) $(stackp-check) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y) stackp-broken := y endif endif |
2bc2f688f Makefile: move st... |
667 668 669 |
ifndef stackp-broken # If the stack protector is functional, enable code that depends on it. KBUILD_CPPFLAGS += -DCONFIG_CC_STACKPROTECTOR |
44c6dc940 Makefile: introdu... |
670 671 672 673 674 675 676 677 |
# Either we've already detected the flag (for AUTO) or we'll fail the # build in the prepare-compiler-check rule (for specific flag). KBUILD_CFLAGS += $(stackp-flag) else # We have to make sure stack protector is unconditionally disabled if # the compiler is broken (in case we're going to continue the build in # AUTO mode). KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) |
2bc2f688f Makefile: move st... |
678 |
endif |
c965b105b kbuild: abort bui... |
679 |
endif |
44c6dc940 Makefile: introdu... |
680 |
endif |
e06b8b98d kbuild: allow -fs... |
681 |
|
cfe17c9bb kbuild: move cc-o... |
682 683 |
ifeq ($(cc-name),clang) KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) |
cfe17c9bb kbuild: move cc-o... |
684 685 686 687 688 689 690 691 692 693 |
KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) KBUILD_CFLAGS += $(call cc-disable-warning, gnu) KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) # Quiet clang warning: comparison of unsigned expression < 0 is always false KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare) # 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 KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,) KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior) |
cfe17c9bb kbuild: move cc-o... |
694 695 696 697 698 |
else # These warnings generated too much noise in a regular build. # Use make W=1 to enable them (see scripts/Makefile.extrawarn) KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) |
cfe17c9bb kbuild: move cc-o... |
699 |
endif |
0a5f41767 kbuild: clang: di... |
700 |
KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable) |
1da177e4c Linux-2.6.12-rc2 |
701 |
ifdef CONFIG_FRAME_POINTER |
a0f97e06a kbuild: enable 'm... |
702 |
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls |
1da177e4c Linux-2.6.12-rc2 |
703 |
else |
7e9501fde ARM: 6312/1: ftra... |
704 705 706 707 708 709 |
# 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... |
710 |
KBUILD_CFLAGS += -fomit-frame-pointer |
1da177e4c Linux-2.6.12-rc2 |
711 |
endif |
7e9501fde ARM: 6312/1: ftra... |
712 |
endif |
1da177e4c Linux-2.6.12-rc2 |
713 |
|
2062afb4f Fix gcc-4.9.0 mis... |
714 |
KBUILD_CFLAGS += $(call cc-option, -fno-var-tracking-assignments) |
1da177e4c Linux-2.6.12-rc2 |
715 |
ifdef CONFIG_DEBUG_INFO |
866ced950 kbuild: Support s... |
716 717 718 |
ifdef CONFIG_DEBUG_INFO_SPLIT KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g) else |
a0f97e06a kbuild: enable 'm... |
719 |
KBUILD_CFLAGS += -g |
866ced950 kbuild: Support s... |
720 |
endif |
2288328ce all: LLVMLinux: C... |
721 |
KBUILD_AFLAGS += -Wa,-gdwarf-2 |
1da177e4c Linux-2.6.12-rc2 |
722 |
endif |
bfaf2dd35 Kbuild: Add a opt... |
723 724 725 |
ifdef CONFIG_DEBUG_INFO_DWARF4 KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,) endif |
1da177e4c Linux-2.6.12-rc2 |
726 |
|
d6f4ceb79 Kbuild: Add optio... |
727 |
ifdef CONFIG_DEBUG_INFO_REDUCED |
e82c4bb8b Kbuild: Disable v... |
728 729 |
KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) \ $(call cc-option,-fno-var-tracking) |
d6f4ceb79 Kbuild: Add optio... |
730 |
endif |
606576ce8 ftrace: rename FT... |
731 |
ifdef CONFIG_FUNCTION_TRACER |
c0a80c0c2 ftrace: allow arc... |
732 733 734 735 |
ifndef CC_FLAGS_FTRACE CC_FLAGS_FTRACE := -pg endif export CC_FLAGS_FTRACE |
a2546fae0 ftrace: Add -mfen... |
736 737 738 |
ifdef CONFIG_HAVE_FENTRY CC_USING_FENTRY := $(call cc-option, -mfentry -DCC_USING_FENTRY) endif |
c0a80c0c2 ftrace: allow arc... |
739 |
KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_USING_FENTRY) |
a2546fae0 ftrace: Add -mfen... |
740 |
KBUILD_AFLAGS += $(CC_USING_FENTRY) |
72441cb1f ftrace/x86: Add s... |
741 |
ifdef CONFIG_DYNAMIC_FTRACE |
cf4db2597 ftrace: Rename co... |
742 |
ifdef CONFIG_HAVE_C_RECORDMCOUNT |
72441cb1f ftrace/x86: Add s... |
743 744 745 746 |
BUILD_C_RECORDMCOUNT := y export BUILD_C_RECORDMCOUNT endif endif |
16444a8a4 ftrace: add basic... |
747 |
endif |
91341d4b2 kbuild: introduce... |
748 749 750 751 |
# 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... |
752 753 754 755 |
ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION KBUILD_CFLAGS += $(call cc-option,-ffunction-sections,) KBUILD_CFLAGS += $(call cc-option,-fdata-sections,) endif |
e8e699317 [PATCH] kbuild: S... |
756 |
# arch Makefile may override CC so keep this after arch Makefile is included |
4e5620713 kbuild: Cache a f... |
757 |
NOSTDINC_FLAGS += -nostdinc -isystem $(call shell-cached,$(CC) -print-file-name=include) |
e8e699317 [PATCH] kbuild: S... |
758 |
CHECKFLAGS += $(NOSTDINC_FLAGS) |
1da177e4c Linux-2.6.12-rc2 |
759 |
# warn about C99 declaration after statement |
a0f97e06a kbuild: enable 'm... |
760 |
KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) |
1da177e4c Linux-2.6.12-rc2 |
761 |
|
070b98bfd kbuild: trivial f... |
762 |
# disable pointer signed / unsigned warnings in gcc 4.0 |
8417da6f2 kbuild: Fix passi... |
763 |
KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign) |
1da177e4c Linux-2.6.12-rc2 |
764 |
|
fe8d0a410 kbuild: fix a few... |
765 |
# disable invalid "can't wrap" optimizations for signed / pointers |
a137802ee Don't use '-fwrap... |
766 |
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) |
d0115552c Move cc-option to... |
767 |
|
87e0d4f0f kbuild: disable c... |
768 769 770 771 772 773 774 775 |
# 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... |
776 777 |
# Make sure -fstack-check isn't enabled (like gentoo apparently did) KBUILD_CFLAGS += $(call cc-option,-fno-stack-check,) |
8f7f5c9fc kbuild: set -fcon... |
778 779 |
# conserve stack if available KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) |
809704721 Makefile: enable ... |
780 781 782 783 784 |
# disallow errors like 'EXPORT_GPL(foo);' with missing header KBUILD_CFLAGS += $(call cc-option,-Werror=implicit-int) # require functions to have arguments in prototypes, not empty 'int foo()' KBUILD_CFLAGS += $(call cc-option,-Werror=strict-prototypes) |
fe7c36c7b Makefile: Build w... |
785 786 |
# Prohibit date/time macros, which would make the build non-deterministic KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) |
ea8daa7b9 kbuild: Add optio... |
787 788 |
# enforce correct pointer usage KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types) |
c834f0e8a Kbuild: make desi... |
789 790 |
# Require designated initializers for all marked structures KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init) |
a73619a84 kbuild: use -fmac... |
791 792 |
# change __FILE__ to the relative path from the srctree KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) |
40df759e2 kbuild: Fix build... |
793 794 |
# use the deterministic mode of AR if available KBUILD_ARFLAGS := $(call ar-option,D) |
a436bb7b8 kbuild: use relat... |
795 796 |
include scripts/Makefile.kasan include scripts/Makefile.extrawarn |
c6d308534 UBSAN: run-time u... |
797 |
include scripts/Makefile.ubsan |
a86fe3537 kbuild: move extr... |
798 |
|
61754c187 kbuild: Allow arc... |
799 800 801 802 803 |
# Add any arch overrides and user supplied CPPFLAGS, AFLAGS and CFLAGS as the # last assignments KBUILD_CPPFLAGS += $(ARCH_CPPFLAGS) $(KCPPFLAGS) KBUILD_AFLAGS += $(ARCH_AFLAGS) $(KAFLAGS) KBUILD_CFLAGS += $(ARCH_CFLAGS) $(KCFLAGS) |
52bcc3308 kbuild: enable us... |
804 |
|
18991197b Use --build-id ld... |
805 |
# Use --build-id when available. |
0da4fabdf kbuild: test --bu... |
806 |
LDFLAGS_BUILD_ID := $(call ld-option, --build-id) |
6588169d5 kbuild: allow ass... |
807 |
KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID) |
18991197b Use --build-id ld... |
808 |
LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID) |
b67067f11 kbuild: allow arc... |
809 810 811 |
ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION LDFLAGS_vmlinux += $(call ld-option, --gc-sections,) endif |
5d7d18f5b kbuild: make it p... |
812 |
ifeq ($(CONFIG_STRIP_ASM_SYMS),y) |
d79a27195 kbuild: Check if ... |
813 |
LDFLAGS_vmlinux += $(call ld-option, -X,) |
5d7d18f5b kbuild: make it p... |
814 |
endif |
1da177e4c Linux-2.6.12-rc2 |
815 |
# Default kernel image to build when no specific target is given. |
070b98bfd kbuild: trivial f... |
816 |
# KBUILD_IMAGE may be overruled on the command line or |
1da177e4c Linux-2.6.12-rc2 |
817 818 819 820 821 822 823 824 825 826 827 |
# set in the environment # Also any assignments in arch/$(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... |
828 829 830 831 832 833 834 |
# 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 |
835 836 |
# 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... |
837 |
# makefile but the argument can be passed to make if needed. |
1da177e4c Linux-2.6.12-rc2 |
838 |
# |
df9df036d kbuild: fix 'make... |
839 |
MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) |
1da177e4c Linux-2.6.12-rc2 |
840 |
export MODLIB |
ac031f26e kbuild: add optio... |
841 |
# |
3fbb43df9 kbuild: trivial -... |
842 843 844 845 |
# 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... |
846 |
|
ac031f26e kbuild: add optio... |
847 848 |
ifdef INSTALL_MOD_STRIP ifeq ($(INSTALL_MOD_STRIP),1) |
2ea038917 Revert "kbuild: s... |
849 |
mod_strip_cmd = $(STRIP) --strip-debug |
ac031f26e kbuild: add optio... |
850 |
else |
2ea038917 Revert "kbuild: s... |
851 |
mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP) |
ac031f26e kbuild: add optio... |
852 853 |
endif # INSTALL_MOD_STRIP=1 else |
2ea038917 Revert "kbuild: s... |
854 |
mod_strip_cmd = true |
ac031f26e kbuild: add optio... |
855 856 |
endif # INSTALL_MOD_STRIP export mod_strip_cmd |
beb50df39 kbuild: handle mo... |
857 858 859 860 861 862 863 |
# CONFIG_MODULE_COMPRESS, if defined, will cause module to be compressed # after they are installed in agreement with CONFIG_MODULE_COMPRESS_GZIP # or CONFIG_MODULE_COMPRESS_XZ. mod_compress_cmd = true ifdef CONFIG_MODULE_COMPRESS ifdef CONFIG_MODULE_COMPRESS_GZIP |
3d1450d54 Makefile: Force g... |
864 |
mod_compress_cmd = gzip -n -f |
beb50df39 kbuild: handle mo... |
865 866 |
endif # CONFIG_MODULE_COMPRESS_GZIP ifdef CONFIG_MODULE_COMPRESS_XZ |
3d1450d54 Makefile: Force g... |
867 |
mod_compress_cmd = xz -f |
beb50df39 kbuild: handle mo... |
868 869 870 |
endif # CONFIG_MODULE_COMPRESS_XZ endif # CONFIG_MODULE_COMPRESS export mod_compress_cmd |
1bf49dd4b ./Makefile: expor... |
871 872 873 |
# Select initial ramdisk compression format, default is gzip(1). # This shall be used by the dracut(8) tool while creating an initramfs image. # |
7ac181568 fix build with ma... |
874 875 876 877 878 879 |
INITRD_COMPRESS-y := gzip INITRD_COMPRESS-$(CONFIG_RD_BZIP2) := bzip2 INITRD_COMPRESS-$(CONFIG_RD_LZMA) := lzma INITRD_COMPRESS-$(CONFIG_RD_XZ) := xz INITRD_COMPRESS-$(CONFIG_RD_LZO) := lzo INITRD_COMPRESS-$(CONFIG_RD_LZ4) := lz4 |
b7000adef Don't set the INI... |
880 881 882 |
# do not export INITRD_COMPRESS, since we didn't actually # choose a sane default compression above. # export INITRD_COMPRESS := $(INITRD_COMPRESS-y) |
1da177e4c Linux-2.6.12-rc2 |
883 |
|
d9d8d7ed4 MODSIGN: Add opti... |
884 |
ifdef CONFIG_MODULE_SIG_ALL |
3ee550f12 modsign: Handle s... |
885 886 887 |
$(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 ... |
888 889 890 891 |
else mod_sign_cmd = true endif export mod_sign_cmd |
9f0c18aec objtool: Fix CONF... |
892 893 894 895 896 897 |
ifdef CONFIG_STACK_VALIDATION has_libelf := $(call try-run,\ echo "int main() {}" | $(HOSTCC) -xc -o /dev/null -lelf -,1,0) ifeq ($(has_libelf),1) objtool_target := tools/objtool FORCE else |
11af84744 x86/unwind: Renam... |
898 899 |
ifdef CONFIG_UNWINDER_ORC $(error "Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel") |
3dd40cb32 objtool: Upgrade ... |
900 901 902 |
else $(warning "Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel") endif |
9f0c18aec objtool: Fix CONF... |
903 904 905 906 |
SKIP_STACK_VALIDATION := 1 export SKIP_STACK_VALIDATION endif endif |
e2a666d52 kbuild: sign the ... |
907 |
|
1da177e4c Linux-2.6.12-rc2 |
908 |
ifeq ($(KBUILD_EXTMOD),) |
cfc411e7f Move certificate ... |
909 |
core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/ |
1da177e4c Linux-2.6.12-rc2 |
910 911 912 |
vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \ $(core-y) $(core-m) $(drivers-y) $(drivers-m) \ |
37d9fe478 virt: Add virt di... |
913 |
$(net-y) $(net-m) $(libs-y) $(libs-m) $(virt-y))) |
1da177e4c Linux-2.6.12-rc2 |
914 915 |
vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \ |
37d9fe478 virt: Add virt di... |
916 |
$(init-) $(core-) $(drivers-) $(net-) $(libs-) $(virt-)))) |
1da177e4c Linux-2.6.12-rc2 |
917 |
|
f49821ee3 kbuild: rename bu... |
918 919 920 921 |
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 |
922 |
libs-y1 := $(patsubst %/, %/lib.a, $(libs-y)) |
f49821ee3 kbuild: rename bu... |
923 924 |
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 |
925 |
|
1f2bfbd00 kbuild: link of v... |
926 |
# Externally visible symbols (used by link-vmlinux.sh) |
956985705 kbuild: refactor ... |
927 |
export KBUILD_VMLINUX_INIT := $(head-y) $(init-y) |
3a166fc2d kbuild: handle li... |
928 929 |
export KBUILD_VMLINUX_MAIN := $(core-y) $(libs-y2) $(drivers-y) $(net-y) $(virt-y) export KBUILD_VMLINUX_LIBS := $(libs-y1) |
956985705 kbuild: refactor ... |
930 |
export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds |
1f2bfbd00 kbuild: link of v... |
931 |
export LDFLAGS_vmlinux |
312a3d091 kbuild: trivial c... |
932 |
# used by scripts/package/Makefile |
37d9fe478 virt: Add virt di... |
933 |
export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) arch Documentation include samples scripts tools) |
9bb482476 allow stripping o... |
934 |
|
3a166fc2d kbuild: handle li... |
935 |
vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_INIT) $(KBUILD_VMLINUX_MAIN) $(KBUILD_VMLINUX_LIBS) |
1da177e4c Linux-2.6.12-rc2 |
936 |
|
3fdc7d3fe kbuild: link vmli... |
937 938 939 |
# Recurse until adjust_autoksyms.sh is satisfied PHONY += autoksyms_recursive autoksyms_recursive: $(vmlinux-deps) |
2441e78b1 kbuild: better ab... |
940 |
ifdef CONFIG_TRIM_UNUSED_KSYMS |
ba79d401f kbuild: fix call ... |
941 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \ |
865563924 kbuild: fix build... |
942 |
"$(MAKE) -f $(srctree)/Makefile vmlinux" |
2441e78b1 kbuild: better ab... |
943 |
endif |
23121ca2b kbuild: create/ad... |
944 |
|
1f50b80a0 kbuild: move CONF... |
945 946 947 948 949 950 |
# 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... |
951 952 953 954 955 |
autoksyms_h := $(if $(CONFIG_TRIM_UNUSED_KSYMS), include/generated/autoksyms.h) $(autoksyms_h): $(Q)mkdir -p $(dir $@) $(Q)touch $@ |
23121ca2b kbuild: create/ad... |
956 |
|
fbe6e37da kbuild: add arch ... |
957 958 959 |
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink) # Final link of vmlinux with optional arch pass after final link |
312a3d091 kbuild: trivial c... |
960 961 |
cmd_link-vmlinux = \ $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \ |
fbe6e37da kbuild: add arch ... |
962 |
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) |
2441e78b1 kbuild: better ab... |
963 |
|
3fdc7d3fe kbuild: link vmli... |
964 965 966 967 968 969 970 |
vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE ifdef CONFIG_HEADERS_CHECK $(Q)$(MAKE) -f $(srctree)/Makefile headers_check endif ifdef CONFIG_GDB_SCRIPTS $(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py) endif |
1f2bfbd00 kbuild: link of v... |
971 |
+$(call if_changed,link-vmlinux) |
741f98fe2 kbuild: do sectio... |
972 |
|
dd92478a1 kbuild: build sam... |
973 974 975 976 |
# Build samples along the rest of the kernel ifdef CONFIG_SAMPLES vmlinux-dirs += samples endif |
38385f8f0 kbuild: trivial -... |
977 |
# The actual objects are generated when descending, |
1da177e4c Linux-2.6.12-rc2 |
978 |
# make sure no implicit rule kicks in |
1f2bfbd00 kbuild: link of v... |
979 |
$(sort $(vmlinux-deps)): $(vmlinux-dirs) ; |
1da177e4c Linux-2.6.12-rc2 |
980 981 982 983 984 985 |
# Handle descending into subdirectories listed in $(vmlinux-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 |
4f1933620 kbuild: change kb... |
986 |
PHONY += $(vmlinux-dirs) |
5bb782690 kbuild: rename pr... |
987 |
$(vmlinux-dirs): prepare scripts |
f7adc3124 kbuild: create bu... |
988 |
$(Q)$(MAKE) $(build)=$@ need-builtin=1 |
1da177e4c Linux-2.6.12-rc2 |
989 |
|
0d0e7718a kbuild: Do not ov... |
990 991 992 |
define filechk_kernel.release echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" endef |
83a35e360 treewide: relase ... |
993 |
# Store (new) KERNELRELEASE string in include/config/kernel.release |
f1d28fb04 kconfig: move .ke... |
994 |
include/config/kernel.release: include/config/auto.conf FORCE |
0d0e7718a kbuild: Do not ov... |
995 |
$(call filechk,kernel.release) |
cb58455c4 kbuild: KERNELREL... |
996 |
|
d8821622c kbuild: move 'scr... |
997 998 999 1000 1001 |
# Additional helpers built in scripts/ # Carefully list dependencies so we do not try to build scripts twice # in parallel PHONY += scripts scripts: scripts_basic include/config/auto.conf include/config/tristate.conf \ |
07a422bb2 kbuild: restore a... |
1002 |
asm-generic gcc-plugins $(autoksyms_h) |
d8821622c kbuild: move 'scr... |
1003 |
$(Q)$(MAKE) $(build)=$(@) |
cb58455c4 kbuild: KERNELREL... |
1004 |
|
1da177e4c Linux-2.6.12-rc2 |
1005 |
# Things we need to do before we recursively start building the kernel |
5bb782690 kbuild: rename pr... |
1006 1007 1008 1009 |
# 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 |
1010 |
|
5bb782690 kbuild: rename pr... |
1011 |
# Listed in dependency order |
4f1933620 kbuild: change kb... |
1012 |
PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 |
5bb782690 kbuild: rename pr... |
1013 |
|
86feeaa81 kbuild: full depe... |
1014 |
# prepare3 is used to check if we are building in a separate output directory, |
1da177e4c Linux-2.6.12-rc2 |
1015 1016 |
# and if so do: # 1) Check that make has not been executed in the kernel src $(srctree) |
f1d28fb04 kconfig: move .ke... |
1017 |
prepare3: include/config/kernel.release |
1da177e4c Linux-2.6.12-rc2 |
1018 |
ifneq ($(KBUILD_SRC),) |
fd54f5028 kbuild: use KECHO... |
1019 |
@$(kecho) ' Using $(srctree) as source for kernel' |
c955ccafc kconfig: fix .con... |
1020 |
$(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ |
5369f5502 kbuild: Print err... |
1021 1022 |
echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ echo >&2 " in the '$(srctree)' directory.";\ |
1da177e4c Linux-2.6.12-rc2 |
1023 1024 |
/bin/false; \ fi; |
1da177e4c Linux-2.6.12-rc2 |
1025 |
endif |
c965b105b kbuild: abort bui... |
1026 1027 1028 1029 |
# prepare2 creates a makefile if using a separate output directory. # From this point forward, .config has been reprocessed, so any rules # that need to depend on updated CONFIG_* values can be checked here. prepare2: prepare3 prepare-compiler-check outputmakefile asm-generic |
1da177e4c Linux-2.6.12-rc2 |
1030 |
|
07a422bb2 kbuild: restore a... |
1031 |
prepare1: prepare2 $(version_h) $(autoksyms_h) include/generated/utsrelease.h \ |
f7f16b779 kbuild: drop incl... |
1032 |
include/config/auto.conf |
7bb9d092d kbuild: fix first... |
1033 |
$(cmd_crmodverdir) |
1da177e4c Linux-2.6.12-rc2 |
1034 |
|
6520fe556 x86, realmode: 16... |
1035 |
archprepare: archheaders archscripts prepare1 scripts_basic |
5bb782690 kbuild: rename pr... |
1036 |
|
6b90bd4ba GCC plugin infras... |
1037 |
prepare0: archprepare gcc-plugins |
8d36a6236 kbuild: fix gener... |
1038 |
$(Q)$(MAKE) $(build)=. |
86feeaa81 kbuild: full depe... |
1039 |
|
1da177e4c Linux-2.6.12-rc2 |
1040 |
# All the preparing.. |
b9ab5ebb1 objtool: Add CONF... |
1041 |
prepare: prepare0 prepare-objtool |
2c1f4f125 kbuild: re-order ... |
1042 1043 1044 1045 1046 1047 1048 1049 |
# Support for using generic headers in asm-generic PHONY += asm-generic uapi-asm-generic asm-generic: uapi-asm-generic $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \ src=asm obj=arch/$(SRCARCH)/include/generated/asm uapi-asm-generic: $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \ src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm |
b9ab5ebb1 objtool: Add CONF... |
1050 |
PHONY += prepare-objtool |
3b27a0c85 objtool: Detect a... |
1051 |
prepare-objtool: $(objtool_target) |
1da177e4c Linux-2.6.12-rc2 |
1052 |
|
c965b105b kbuild: abort bui... |
1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 |
# Check for CONFIG flags that require compiler support. Abort the build # after .config has been processed, but before the kernel build starts. # # For security-sensitive CONFIG options, we don't want to fallback and/or # silently change which compiler flags will be used, since that leads to # producing kernels with different security feature characteristics # depending on the compiler used. (For example, "But I selected # CC_STACKPROTECTOR_STRONG! Why did it build with _REGULAR?!") PHONY += prepare-compiler-check prepare-compiler-check: FORCE # Make sure compiler supports requested stack protector flag. ifdef stackp-name |
44c6dc940 Makefile: introdu... |
1065 1066 1067 1068 1069 1070 |
# Warn about CONFIG_CC_STACKPROTECTOR_AUTO having found no option. ifeq ($(stackp-flag),) @echo CONFIG_CC_STACKPROTECTOR_$(stackp-name): \ Compiler does not support any known stack-protector >&2 else # Fail if specifically requested stack protector is missing. |
c965b105b kbuild: abort bui... |
1071 1072 1073 1074 |
ifeq ($(call cc-option, $(stackp-flag)),) @echo Cannot use CONFIG_CC_STACKPROTECTOR_$(stackp-name): \ $(stackp-flag) not supported by compiler >&2 && exit 1 endif |
44c6dc940 Makefile: introdu... |
1075 |
endif |
c965b105b kbuild: abort bui... |
1076 |
endif |
44c6dc940 Makefile: introdu... |
1077 1078 |
# Make sure compiler does not have buggy stack-protector support. If a # specific stack-protector was requested, fail the build, otherwise warn. |
2b8383927 Makefile: move st... |
1079 |
ifdef stackp-broken |
44c6dc940 Makefile: introdu... |
1080 1081 1082 1083 |
ifeq ($(stackp-name),AUTO) @echo CONFIG_CC_STACKPROTECTOR_$(stackp-name): \ $(stackp-flag) available but compiler is broken: disabling >&2 else |
c965b105b kbuild: abort bui... |
1084 1085 |
@echo Cannot use CONFIG_CC_STACKPROTECTOR_$(stackp-name): \ $(stackp-flag) available but compiler is broken >&2 && exit 1 |
44c6dc940 Makefile: introdu... |
1086 |
endif |
c965b105b kbuild: abort bui... |
1087 1088 |
endif @: |
1da177e4c Linux-2.6.12-rc2 |
1089 1090 1091 1092 1093 1094 1095 |
# 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... |
1096 1097 1098 1099 1100 1101 1102 |
define filechk_utsrelease.h if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \ echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \ exit 1; \ fi; \ (echo \#define UTS_RELEASE \"$(KERNELRELEASE)\";) endef |
1da177e4c Linux-2.6.12-rc2 |
1103 1104 |
define filechk_version.h |
450c6076a Makefile: improve... |
1105 1106 |
(echo \#define LINUX_VERSION_CODE $(shell \ expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \ |
63104eec2 kbuild: introduce... |
1107 |
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';) |
1da177e4c Linux-2.6.12-rc2 |
1108 |
endef |
d183e6f57 UAPI: Move linux/... |
1109 |
$(version_h): $(srctree)/Makefile FORCE |
1da177e4c Linux-2.6.12-rc2 |
1110 |
$(call filechk,version.h) |
223c24a7d kbuild: Automatic... |
1111 |
$(Q)rm -f $(old_version_h) |
1da177e4c Linux-2.6.12-rc2 |
1112 |
|
273b281fa kbuild: move utsr... |
1113 |
include/generated/utsrelease.h: include/config/kernel.release FORCE |
63104eec2 kbuild: introduce... |
1114 |
$(call filechk,utsrelease.h) |
179efcb47 kbuild: add heade... |
1115 1116 |
PHONY += headerdep headerdep: |
9663d9890 kbuild: make head... |
1117 1118 |
$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \ $(srctree)/scripts/headerdep.pl -I$(srctree)/include |
179efcb47 kbuild: add heade... |
1119 |
|
1da177e4c Linux-2.6.12-rc2 |
1120 |
# --------------------------------------------------------------------------- |
8d730cfb5 Basic implementat... |
1121 |
# Kernel headers |
8d730cfb5 Basic implementat... |
1122 |
|
e6883b187 kbuild: refactor ... |
1123 1124 |
#Default location for installed headers export INSTALL_HDR_PATH = $(objtree)/usr |
6d7162758 New 'make headers... |
1125 |
|
9d022c540 kbuild: replace $... |
1126 1127 |
# If we do an all arch process set dst to include/arch-$(SRCARCH) hdr-dst = $(if $(KBUILD_HEADERS), dst=include/arch-$(SRCARCH), dst=include) |
e6883b187 kbuild: refactor ... |
1128 |
|
052ad2749 kbuild: Add suppo... |
1129 1130 |
PHONY += archheaders archheaders: |
6520fe556 x86, realmode: 16... |
1131 1132 |
PHONY += archscripts archscripts: |
e6883b187 kbuild: refactor ... |
1133 |
PHONY += __headers |
a9d9a400e kbuild: split exp... |
1134 |
__headers: $(version_h) scripts_basic uapi-asm-generic archheaders archscripts |
e1b702cf2 KBuild: silence "... |
1135 |
$(Q)$(MAKE) $(build)=scripts build_unifdef |
e6883b187 kbuild: refactor ... |
1136 1137 |
PHONY += headers_install_all |
2fb9b1bd9 kbuild: prepare h... |
1138 1139 |
headers_install_all: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install |
6d7162758 New 'make headers... |
1140 |
|
8d730cfb5 Basic implementat... |
1141 |
PHONY += headers_install |
e6883b187 kbuild: refactor ... |
1142 |
headers_install: __headers |
9d022c540 kbuild: replace $... |
1143 |
$(if $(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/Kbuild),, \ |
10b63956f UAPI: Plumb the U... |
1144 |
$(error Headers not exportable for the $(SRCARCH) architecture)) |
a8ff49a1d kbuild: pass dst=... |
1145 |
$(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include |
9d022c540 kbuild: replace $... |
1146 |
$(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi $(hdr-dst) |
8d730cfb5 Basic implementat... |
1147 |
|
1f85712e6 [PATCH] new tople... |
1148 1149 |
PHONY += headers_check_all headers_check_all: headers_install_all |
2fb9b1bd9 kbuild: prepare h... |
1150 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check |
1f85712e6 [PATCH] new tople... |
1151 |
|
684753599 Basic implementat... |
1152 1153 |
PHONY += headers_check headers_check: headers_install |
a8ff49a1d kbuild: pass dst=... |
1154 |
$(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include HDRCHECK=1 |
9d022c540 kbuild: replace $... |
1155 |
$(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi $(hdr-dst) HDRCHECK=1 |
684753599 Basic implementat... |
1156 |
|
8d730cfb5 Basic implementat... |
1157 |
# --------------------------------------------------------------------------- |
5a5da78b3 kbuild: kselftest... |
1158 1159 1160 1161 |
# Kernel selftest PHONY += kselftest kselftest: |
2bc84526d Makefile: kselfte... |
1162 |
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests |
5a5da78b3 kbuild: kselftest... |
1163 |
|
801d2e9f1 Makefile: add kse... |
1164 |
PHONY += kselftest-clean |
dcb825a9f kselftest: add ks... |
1165 |
kselftest-clean: |
2bc84526d Makefile: kselfte... |
1166 |
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests clean |
dcb825a9f kselftest: add ks... |
1167 |
|
3d6dee7af Makefile: add kse... |
1168 1169 1170 1171 1172 1173 1174 |
PHONY += kselftest-merge kselftest-merge: $(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!)) $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ -m $(objtree)/.config \ $(srctree)/tools/testing/selftests/*/config +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
5a5da78b3 kbuild: kselftest... |
1175 |
# --------------------------------------------------------------------------- |
1da177e4c Linux-2.6.12-rc2 |
1176 1177 1178 |
# Modules ifdef CONFIG_MODULES |
070b98bfd kbuild: trivial f... |
1179 |
# By default, build modules as well |
1da177e4c Linux-2.6.12-rc2 |
1180 |
|
73d1393eb kbuild: Generate ... |
1181 |
all: modules |
1da177e4c Linux-2.6.12-rc2 |
1182 |
|
3fbb43df9 kbuild: trivial -... |
1183 |
# Build modules |
551559e13 kbuild: implement... |
1184 |
# |
3fbb43df9 kbuild: trivial -... |
1185 1186 1187 |
# 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 |
1188 |
|
4f1933620 kbuild: change kb... |
1189 |
PHONY += modules |
2da30e703 kbuild: Generate ... |
1190 |
modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin |
551559e13 kbuild: implement... |
1191 |
$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order |
fd54f5028 kbuild: use KECHO... |
1192 |
@$(kecho) ' Building modules, stage 2.'; |
b805aa0e7 kbuild: make -rR ... |
1193 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
1da177e4c Linux-2.6.12-rc2 |
1194 |
|
a6c366324 kbuild: Do not un... |
1195 1196 |
modules.builtin: $(vmlinux-dirs:%=%/modules.builtin) $(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin |
73d1393eb kbuild: Generate ... |
1197 |
%/modules.builtin: include/config/auto.conf |
a6c366324 kbuild: Do not un... |
1198 |
$(Q)$(MAKE) $(modbuiltin)=$* |
1da177e4c Linux-2.6.12-rc2 |
1199 1200 |
# Target to prepare building external modules |
4f1933620 kbuild: change kb... |
1201 |
PHONY += modules_prepare |
5bb782690 kbuild: rename pr... |
1202 |
modules_prepare: prepare scripts |
1da177e4c Linux-2.6.12-rc2 |
1203 1204 |
# Target to install modules |
4f1933620 kbuild: change kb... |
1205 |
PHONY += modules_install |
1da177e4c Linux-2.6.12-rc2 |
1206 |
modules_install: _modinst_ _modinst_post |
4f1933620 kbuild: change kb... |
1207 |
PHONY += _modinst_ |
2da30e703 kbuild: Generate ... |
1208 |
_modinst_: |
1da177e4c Linux-2.6.12-rc2 |
1209 1210 1211 |
@rm -rf $(MODLIB)/kernel @rm -f $(MODLIB)/source @mkdir -p $(MODLIB)/kernel |
8e9b46679 kbuild: use $(abs... |
1212 |
@ln -s $(abspath $(srctree)) $(MODLIB)/source |
1da177e4c Linux-2.6.12-rc2 |
1213 1214 |
@if [ ! $(objtree) -ef $(MODLIB)/build ]; then \ rm -f $(MODLIB)/build ; \ |
7e1c04779 kbuild: Use relat... |
1215 |
ln -s $(CURDIR) $(MODLIB)/build ; \ |
1da177e4c Linux-2.6.12-rc2 |
1216 |
fi |
551559e13 kbuild: implement... |
1217 |
@cp -f $(objtree)/modules.order $(MODLIB)/ |
bc081dd6e kbuild: generate ... |
1218 |
@cp -f $(objtree)/modules.builtin $(MODLIB)/ |
b805aa0e7 kbuild: make -rR ... |
1219 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
1220 |
|
50a8ec31c kbuild: disable d... |
1221 |
# This depmod is only for convenience to give the initial |
1da177e4c Linux-2.6.12-rc2 |
1222 1223 |
# boot a modules.dep even before / is mounted read-write. However the # boot script depmod is the master version. |
4f1933620 kbuild: change kb... |
1224 |
PHONY += _modinst_post |
6d128e1e7 Revert "Makefile:... |
1225 |
_modinst_post: _modinst_ |
50a8ec31c kbuild: disable d... |
1226 |
$(call cmd,depmod) |
1da177e4c Linux-2.6.12-rc2 |
1227 |
|
d890f510c MODSIGN: Add modu... |
1228 1229 1230 1231 1232 |
ifeq ($(CONFIG_MODULE_SIG), y) PHONY += modules_sign modules_sign: $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modsign endif |
1da177e4c Linux-2.6.12-rc2 |
1233 1234 1235 1236 |
else # CONFIG_MODULES # Modules not configured # --------------------------------------------------------------------------- |
612e47cec kbuild: specify m... |
1237 1238 |
PHONY += modules modules_install modules modules_install: |
5369f5502 kbuild: Print err... |
1239 1240 1241 1242 1243 |
@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 |
1244 1245 1246 |
@exit 1 endif # CONFIG_MODULES |
1da177e4c Linux-2.6.12-rc2 |
1247 1248 1249 1250 1251 1252 1253 1254 |
### # 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' |
fbfa9be99 kbuild: move incl... |
1255 |
CLEAN_DIRS += $(MODVERDIR) include/ksym |
1da177e4c Linux-2.6.12-rc2 |
1256 1257 |
# Directories & files removed with 'make mrproper' |
d8ecc5cd8 kbuild: asm-gener... |
1258 |
MRPROPER_DIRS += include/config usr/include include/generated \ |
3fbb43df9 kbuild: trivial -... |
1259 |
arch/*/include/generated .tmp_objdiff |
278ae6040 kbuild: link-vmli... |
1260 |
MRPROPER_FILES += .config .config.old .version \ |
d5b719365 MODSIGN: Make mrp... |
1261 |
Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ |
fb1179499 modsign: Use sing... |
1262 1263 |
signing_key.pem signing_key.priv signing_key.x509 \ x509.genkey extra_certificates signing_key.x509.keyid \ |
3ee7b3fa2 scripts/gdb: add ... |
1264 |
signing_key.x509.signer vmlinux-gdb.py |
1da177e4c Linux-2.6.12-rc2 |
1265 1266 1267 1268 1269 |
# clean - Delete most, but leave enough to build external modules # clean: rm-dirs := $(CLEAN_DIRS) clean: rm-files := $(CLEAN_FILES) |
fb68d4be9 kbuild: clean up ... |
1270 |
clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs) Documentation samples) |
1da177e4c Linux-2.6.12-rc2 |
1271 |
|
bd1ee804a kbuild: Do not re... |
1272 |
PHONY += $(clean-dirs) clean archclean vmlinuxclean |
1da177e4c Linux-2.6.12-rc2 |
1273 1274 |
$(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) |
bd1ee804a kbuild: Do not re... |
1275 1276 |
vmlinuxclean: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean |
fbe6e37da kbuild: add arch ... |
1277 |
$(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean) |
bd1ee804a kbuild: Do not re... |
1278 1279 |
clean: archclean vmlinuxclean |
1da177e4c Linux-2.6.12-rc2 |
1280 1281 1282 1283 1284 |
# mrproper - Delete all generated files, including .config # mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) |
cb43fb577 docs: remove DocB... |
1285 |
mrproper-dirs := $(addprefix _mrproper_,scripts) |
1da177e4c Linux-2.6.12-rc2 |
1286 |
|
4f1933620 kbuild: change kb... |
1287 |
PHONY += $(mrproper-dirs) mrproper archmrproper |
1da177e4c Linux-2.6.12-rc2 |
1288 1289 1290 1291 1292 1293 1294 1295 1296 |
$(mrproper-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) mrproper: clean archmrproper $(mrproper-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) # distclean # |
4f1933620 kbuild: change kb... |
1297 |
PHONY += distclean |
1da177e4c Linux-2.6.12-rc2 |
1298 1299 1300 |
distclean: mrproper @find $(srctree) $(RCS_FIND_IGNORE) \ |
070b98bfd kbuild: trivial f... |
1301 |
\( -name '*.orig' -o -name '*.rej' -o -name '*~' \ |
f78271dfb kbuild: drop unne... |
1302 1303 |
-o -name '*.bak' -o -name '#*#' -o -name '*%' \ -o -name 'core' \) \ |
1da177e4c Linux-2.6.12-rc2 |
1304 1305 1306 1307 1308 1309 |
-type f -print | xargs rm -f # Packaging of the kernel to various formats # --------------------------------------------------------------------------- # rpm target kept for backward compatibility |
c79624c1a kbuild: Fix packa... |
1310 |
package-dir := scripts/package |
1da177e4c Linux-2.6.12-rc2 |
1311 |
|
bafb67470 perf tools: Allow... |
1312 1313 |
%src-pkg: FORCE $(Q)$(MAKE) $(build)=$(package-dir) $@ |
031ecc6de kbuild: add depen... |
1314 |
%pkg: include/config/kernel.release FORCE |
6c2133e11 kbuild: fix make ... |
1315 |
$(Q)$(MAKE) $(build)=$(package-dir) $@ |
ebaad7d36 kbuild: rpm: prom... |
1316 1317 1318 |
rpm: rpm-pkg @echo " WARNING: \"rpm\" target will be removed after Linux 4.18" @echo " Please use \"rpm-pkg\" instead." |
1da177e4c Linux-2.6.12-rc2 |
1319 1320 1321 1322 |
# Brief documentation of the typical targets used # --------------------------------------------------------------------------- |
5dffbe811 kbuild: show defc... |
1323 |
boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig) |
a1e7b7bb1 Makefile: sort li... |
1324 |
boards := $(sort $(notdir $(boards))) |
5dffbe811 kbuild: show defc... |
1325 1326 |
board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig)) board-dirs := $(sort $(notdir $(board-dirs:/=))) |
1da177e4c Linux-2.6.12-rc2 |
1327 |
|
fe69b420d kbuild: mark help... |
1328 |
PHONY += help |
1da177e4c Linux-2.6.12-rc2 |
1329 1330 |
help: @echo 'Cleaning targets:' |
5ea084ef9 Use consistent ca... |
1331 |
@echo ' clean - Remove most generated files but keep the config and' |
5cc8d246d kbuild: add distc... |
1332 |
@echo ' enough build support to build external modules' |
5ea084ef9 Use consistent ca... |
1333 |
@echo ' mrproper - Remove all generated files + config + various backup files' |
5cc8d246d kbuild: add distc... |
1334 |
@echo ' distclean - mrproper + remove editor backup and patch files' |
1da177e4c Linux-2.6.12-rc2 |
1335 1336 1337 1338 1339 1340 1341 1342 |
@echo '' @echo 'Configuration targets:' @$(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 ... |
1343 |
@echo ' modules_install - Install all modules to INSTALL_MOD_PATH (default: /)' |
1da177e4c Linux-2.6.12-rc2 |
1344 |
@echo ' dir/ - Build all files in dir and below' |
40ab87a40 Makefile: revert ... |
1345 |
@echo ' dir/file.[ois] - Build specified target only' |
433db3e26 kbuild: Add suppo... |
1346 1347 |
@echo ' dir/file.ll - Build the LLVM assembly file' @echo ' (requires compiler support for LLVM assembly generation)' |
627189797 Makefile: Documen... |
1348 1349 |
@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... |
1350 |
@echo ' dir/file.ko - Build module including final link' |
c4d5ee67c kbuild: "make pre... |
1351 |
@echo ' modules_prepare - Set up for building external modules' |
1da177e4c Linux-2.6.12-rc2 |
1352 1353 |
@echo ' tags/TAGS - Generate tags file for editors' @echo ' cscope - Generate cscope index' |
f4ed1009f kbuild: add GNU G... |
1354 |
@echo ' gtags - Generate GNU GLOBAL index' |
3f1d9a6ce kbuild: make -s s... |
1355 1356 1357 |
@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... |
1358 |
@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ |
59df3230f [PATCH] `make hel... |
1359 |
echo ' (default: $(INSTALL_HDR_PATH))'; \ |
2fb9b1bd9 kbuild: prepare h... |
1360 |
echo '' |
31b8cc807 make help: add to... |
1361 |
@echo 'Static analysers:' |
1da177e4c Linux-2.6.12-rc2 |
1362 1363 |
@echo ' checkstack - Generate a list of stack hogs' @echo ' namespacecheck - Name space analysis on compiled kernel' |
aa025e7d5 kbuild: document ... |
1364 |
@echo ' versioncheck - Sanity check on version.h usage' |
ec2d987f9 kbuild: add 'incl... |
1365 |
@echo ' includecheck - Check for duplicate included header files' |
295ac0518 kbuild: call expo... |
1366 |
@echo ' export_report - List the usages of all exported symbols' |
179efcb47 kbuild: add heade... |
1367 |
@echo ' headers_check - Sanity check on exported headers' |
74425eee7 Add a target to u... |
1368 |
@echo ' headerdep - Detect inclusion cycles in headers' |
7f855fc80 kbuild: move cocc... |
1369 |
@echo ' coccicheck - Check with Coccinelle' |
74425eee7 Add a target to u... |
1370 |
@echo '' |
31b8cc807 make help: add to... |
1371 |
@echo 'Kernel selftest:' |
5a5da78b3 kbuild: kselftest... |
1372 1373 1374 |
@echo ' kselftest - Build and run kernel selftest (run as root)' @echo ' Build, install, and boot kernel before' @echo ' running kselftest on it' |
dcb825a9f kselftest: add ks... |
1375 |
@echo ' kselftest-clean - Remove all generated kselftest files' |
bbfe63b60 Makefile: kselfte... |
1376 |
@echo ' kselftest-merge - Merge all the config dependencies of kselftest to existing' |
3d6dee7af Makefile: add kse... |
1377 |
@echo ' .config.' |
5a5da78b3 kbuild: kselftest... |
1378 |
@echo '' |
31b8cc807 make help: add to... |
1379 1380 1381 1382 |
@echo 'Userspace tools targets:' @echo ' use "make tools/help"' @echo ' or "cd tools; make help"' @echo '' |
1da177e4c Linux-2.6.12-rc2 |
1383 |
@echo 'Kernel packaging:' |
6c2133e11 kbuild: fix make ... |
1384 |
@$(MAKE) $(build)=$(package-dir) help |
1da177e4c Linux-2.6.12-rc2 |
1385 1386 |
@echo '' @echo 'Documentation targets:' |
cb43fb577 docs: remove DocB... |
1387 |
@$(MAKE) -f $(srctree)/Documentation/Makefile dochelp |
1da177e4c Linux-2.6.12-rc2 |
1388 |
@echo '' |
01dee1881 kbuild: fix help ... |
1389 |
@echo 'Architecture specific targets ($(SRCARCH)):' |
1da177e4c Linux-2.6.12-rc2 |
1390 |
@$(if $(archhelp),$(archhelp),\ |
01dee1881 kbuild: fix help ... |
1391 |
echo ' No architecture specific help defined for $(SRCARCH)') |
1da177e4c Linux-2.6.12-rc2 |
1392 1393 1394 1395 1396 1397 |
@echo '' @$(if $(boards), \ $(foreach b, $(boards), \ printf " %-24s - Build for %s\ " $(b) $(subst _defconfig,,$(b));) \ echo '') |
5dffbe811 kbuild: show defc... |
1398 1399 1400 1401 1402 1403 1404 |
@$(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 |
1405 1406 |
@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' |
45d506bd6 kbuild: make V=2 ... |
1407 |
@echo ' make V=2 [targets] 2 => give reason for rebuild of target' |
1da177e4c Linux-2.6.12-rc2 |
1408 |
@echo ' make O=dir [targets] Locate all output files in "dir", including .config' |
9ba26a728 Kbuild: tiny corr... |
1409 |
@echo ' make C=1 [targets] Check re-compiled c source with $$CHECK (sparse by default)' |
701842e3b kbuild: documenta... |
1410 |
@echo ' make C=2 [targets] Force check of all c source with $$CHECK' |
af07ce3e7 Merge branch 'tip... |
1411 |
@echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' |
28bc20dcc kbuild: implement... |
1412 1413 1414 1415 |
@echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' @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 ... |
1416 |
@echo ' Multiple levels can be combined with W=12 or W=123' |
1da177e4c Linux-2.6.12-rc2 |
1417 1418 1419 |
@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... |
1420 1421 1422 |
help-board-dirs := $(addprefix help-,$(board-dirs)) help-boards: $(help-board-dirs) |
fbae4d585 kbuild: Fix make ... |
1423 |
boards-per-dir = $(sort $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig))) |
5dffbe811 kbuild: show defc... |
1424 1425 1426 1427 1428 1429 1430 1431 |
$(help-board-dirs): help-%: @echo 'Architecture specific targets ($(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 |
1432 1433 |
# Documentation targets # --------------------------------------------------------------------------- |
e8939222d Documentation: ad... |
1434 1435 |
DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ linkcheckdocs dochelp refcheckdocs |
22cba31ba Documentation/sph... |
1436 1437 |
PHONY += $(DOC_TARGETS) $(DOC_TARGETS): scripts_basic FORCE |
cb43fb577 docs: remove DocB... |
1438 |
$(Q)$(MAKE) $(build)=Documentation $@ |
1da177e4c Linux-2.6.12-rc2 |
1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 |
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... |
1456 |
# Install the modules built in the module directory |
1da177e4c Linux-2.6.12-rc2 |
1457 1458 1459 1460 |
# Assumes install directory is already created # We are always building modules KBUILD_MODULES := 1 |
4f1933620 kbuild: change kb... |
1461 |
PHONY += crmodverdir |
1da177e4c Linux-2.6.12-rc2 |
1462 |
crmodverdir: |
7bb9d092d kbuild: fix first... |
1463 |
$(cmd_crmodverdir) |
1da177e4c Linux-2.6.12-rc2 |
1464 |
|
4f1933620 kbuild: change kb... |
1465 |
PHONY += $(objtree)/Module.symvers |
1da177e4c Linux-2.6.12-rc2 |
1466 1467 1468 1469 1470 1471 1472 1473 |
$(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 ) module-dirs := $(addprefix _module_,$(KBUILD_EXTMOD)) |
4f1933620 kbuild: change kb... |
1474 |
PHONY += $(module-dirs) modules |
1da177e4c Linux-2.6.12-rc2 |
1475 1476 1477 1478 |
$(module-dirs): crmodverdir $(objtree)/Module.symvers $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@) modules: $(module-dirs) |
fd54f5028 kbuild: use KECHO... |
1479 |
@$(kecho) ' Building modules, stage 2.'; |
b805aa0e7 kbuild: make -rR ... |
1480 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
1da177e4c Linux-2.6.12-rc2 |
1481 |
|
4f1933620 kbuild: change kb... |
1482 |
PHONY += modules_install |
a67dc21a3 kbuild: run depmo... |
1483 |
modules_install: _emodinst_ _emodinst_post |
e63046630 kbuild: remove a ... |
1484 |
|
4f1933620 kbuild: change kb... |
1485 1486 |
install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra) PHONY += _emodinst_ |
a67dc21a3 kbuild: run depmo... |
1487 |
_emodinst_: |
a67dc21a3 kbuild: run depmo... |
1488 |
$(Q)mkdir -p $(MODLIB)/$(install-dir) |
b805aa0e7 kbuild: make -rR ... |
1489 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
1490 |
|
4f1933620 kbuild: change kb... |
1491 |
PHONY += _emodinst_post |
a67dc21a3 kbuild: run depmo... |
1492 1493 |
_emodinst_post: _emodinst_ $(call cmd,depmod) |
1da177e4c Linux-2.6.12-rc2 |
1494 |
clean-dirs := $(addprefix _clean_,$(KBUILD_EXTMOD)) |
4f1933620 kbuild: change kb... |
1495 |
PHONY += $(clean-dirs) clean |
1da177e4c Linux-2.6.12-rc2 |
1496 1497 1498 1499 |
$(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) clean: rm-dirs := $(MODVERDIR) |
88d7be031 kbuild: Use a sin... |
1500 |
clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers |
1da177e4c Linux-2.6.12-rc2 |
1501 |
|
fe69b420d kbuild: mark help... |
1502 |
PHONY += help |
1da177e4c Linux-2.6.12-rc2 |
1503 1504 1505 1506 1507 1508 1509 1510 |
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... |
1511 1512 |
# Dummies... |
4f1933620 kbuild: change kb... |
1513 |
PHONY += prepare scripts |
06300b21f kbuild: support b... |
1514 1515 |
prepare: ; scripts: ; |
1da177e4c Linux-2.6.12-rc2 |
1516 |
endif # KBUILD_EXTMOD |
88d7be031 kbuild: Use a sin... |
1517 1518 1519 |
clean: $(clean-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) |
43f67c981 kbuild: Fix GNU m... |
1520 |
@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ |
ef46d9b3d kbuild: clean up ... |
1521 |
\( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \ |
74ce1896c kbuild: clean up ... |
1522 |
-o -name '*.ko.*' -o -name '*.dtb' -o -name '*.dtb.S' \ |
ef46d9b3d kbuild: clean up ... |
1523 |
-o -name '*.dwo' -o -name '*.lst' \ |
d523b255d kbuild: remove *.... |
1524 |
-o -name '*.su' \ |
88d7be031 kbuild: Use a sin... |
1525 |
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ |
9a8dfb394 kbuild: clean up ... |
1526 |
-o -name '*.lex.c' -o -name '*.tab.[ch]' \ |
4fa8bc949 kbuild: rename *-... |
1527 |
-o -name '*.asn1.[ch]' \ |
88d7be031 kbuild: Use a sin... |
1528 1529 |
-o -name '*.symtypes' -o -name 'modules.order' \ -o -name modules.builtin -o -name '.tmp_*.o.*' \ |
3298b690b kbuild: Add a cac... |
1530 |
-o -name .cache.mk \ |
6b90bd4ba GCC plugin infras... |
1531 |
-o -name '*.c.[012]*.*' \ |
433db3e26 kbuild: Add suppo... |
1532 |
-o -name '*.ll' \ |
88d7be031 kbuild: Use a sin... |
1533 |
-o -name '*.gcno' \) -type f -print | xargs rm -f |
1da177e4c Linux-2.6.12-rc2 |
1534 1535 |
# Generate tags for editors # --------------------------------------------------------------------------- |
a680eedc6 tags and cscope s... |
1536 1537 |
quiet_cmd_tags = GEN $@ cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@ |
1da177e4c Linux-2.6.12-rc2 |
1538 |
|
f4ed1009f kbuild: add GNU G... |
1539 |
tags TAGS cscope gtags: FORCE |
1da177e4c Linux-2.6.12-rc2 |
1540 |
$(call cmd,tags) |
1da177e4c Linux-2.6.12-rc2 |
1541 1542 |
# Scripts to check various things for consistency # --------------------------------------------------------------------------- |
279f3dd35 kbuild: add targe... |
1543 |
PHONY += includecheck versioncheck coccicheck namespacecheck export_report |
1da177e4c Linux-2.6.12-rc2 |
1544 |
includecheck: |
436f876cc kbuild: make incl... |
1545 |
find $(srctree)/* $(RCS_FIND_IGNORE) \ |
1da177e4c Linux-2.6.12-rc2 |
1546 |
-name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1547 |
| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl |
1da177e4c Linux-2.6.12-rc2 |
1548 1549 |
versioncheck: |
2ee2d2928 kbuild: make vers... |
1550 |
find $(srctree)/* $(RCS_FIND_IGNORE) \ |
1da177e4c Linux-2.6.12-rc2 |
1551 |
-name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1552 |
| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl |
1da177e4c Linux-2.6.12-rc2 |
1553 |
|
74425eee7 Add a target to u... |
1554 1555 |
coccicheck: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ |
1da177e4c Linux-2.6.12-rc2 |
1556 1557 |
namespacecheck: $(PERL) $(srctree)/scripts/namespace.pl |
295ac0518 kbuild: call expo... |
1558 1559 |
export_report: $(PERL) $(srctree)/scripts/export_report.pl |
1da177e4c Linux-2.6.12-rc2 |
1560 1561 |
endif #ifeq ($(config-targets),1) endif #ifeq ($(mixed-targets),1) |
c398ff00f kbuild: fix error... |
1562 |
PHONY += checkstack kernelrelease kernelversion image_name |
e3ccf6e36 [PATCH] uml: add ... |
1563 |
|
011e3a9ad [PATCH] Fix cross... |
1564 1565 1566 1567 1568 1569 1570 1571 1572 |
# 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 |
1573 1574 |
checkstack: $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \ |
011e3a9ad [PATCH] Fix cross... |
1575 |
$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH) |
1da177e4c Linux-2.6.12-rc2 |
1576 |
|
7b8ea53d7 makefile: not nee... |
1577 1578 |
kernelrelease: @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" |
01ab17887 Makefile: "make k... |
1579 |
|
cb58455c4 kbuild: KERNELREL... |
1580 |
kernelversion: |
2244cbd8a kbuild: create .k... |
1581 |
@echo $(KERNELVERSION) |
1da177e4c Linux-2.6.12-rc2 |
1582 |
|
c398ff00f kbuild: fix error... |
1583 1584 |
image_name: @echo $(KBUILD_IMAGE) |
ea01fa9f6 tools: Connect to... |
1585 1586 |
# Clear a bunch of variables before executing the submake tools/: FORCE |
bf35182ff tools: Honour the... |
1587 |
$(Q)mkdir -p $(objtree)/tools |
8e9b46679 kbuild: use $(abs... |
1588 |
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/ |
ea01fa9f6 tools: Connect to... |
1589 1590 |
tools/%: FORCE |
bf35182ff tools: Honour the... |
1591 |
$(Q)mkdir -p $(objtree)/tools |
8e9b46679 kbuild: use $(abs... |
1592 |
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/ $* |
ea01fa9f6 tools: Connect to... |
1593 |
|
06300b21f kbuild: support b... |
1594 1595 |
# Single targets # --------------------------------------------------------------------------- |
bc2546a67 kbuild: fix build... |
1596 |
# Single targets are compatible with: |
e1b8513d2 Typoes: "whith" ... |
1597 |
# - build with mixed source and output |
bc2546a67 kbuild: fix build... |
1598 1599 1600 1601 1602 1603 1604 |
# - build with separate output dir 'make O=...' # - external modules # # target-dir => where to store outputfile # build-dir => directory in kernel source tree to use ifeq ($(KBUILD_EXTMOD),) |
aa360879e kbuild: fix make ... |
1605 |
build-dir = $(patsubst %/,%,$(dir $@)) |
bc2546a67 kbuild: fix build... |
1606 1607 1608 1609 1610 1611 |
target-dir = $(dir $@) else zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) endif |
f6ecebd65 kbuild: fix make ... |
1612 |
%.s: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1613 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1614 |
%.i: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1615 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1616 |
%.o: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1617 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1618 |
%.lst: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1619 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1620 |
%.s: %.S prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1621 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1622 |
%.o: %.S prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1623 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
15fde6751 kbuild: support f... |
1624 1625 |
%.symtypes: %.c prepare scripts FORCE $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
433db3e26 kbuild: Add suppo... |
1626 1627 |
%.ll: %.c prepare scripts FORCE $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
06300b21f kbuild: support b... |
1628 |
|
bc2546a67 kbuild: fix build... |
1629 |
# Modules |
31110ebbe kbuild: fix make ... |
1630 1631 1632 1633 |
/: prepare scripts FORCE $(cmd_crmodverdir) $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ $(build)=$(build-dir) |
8e2faea87 Make Documenation... |
1634 |
# Make sure the latest headers are built for Documentation |
ddea05fa1 kbuild: make samp... |
1635 |
Documentation/ samples/: headers_install |
31110ebbe kbuild: fix make ... |
1636 |
%/: prepare scripts FORCE |
7bb9d092d kbuild: fix first... |
1637 |
$(cmd_crmodverdir) |
06300b21f kbuild: support b... |
1638 |
$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ |
bc2546a67 kbuild: fix build... |
1639 1640 |
$(build)=$(build-dir) %.ko: prepare scripts FORCE |
7bb9d092d kbuild: fix first... |
1641 |
$(cmd_crmodverdir) |
06300b21f kbuild: support b... |
1642 |
$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ |
bc2546a67 kbuild: fix build... |
1643 |
$(build)=$(build-dir) $(@:.ko=.o) |
b805aa0e7 kbuild: make -rR ... |
1644 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
06300b21f kbuild: support b... |
1645 |
|
38385f8f0 kbuild: trivial -... |
1646 |
# FIXME Should go into a make.lib or something |
1da177e4c Linux-2.6.12-rc2 |
1647 1648 1649 1650 1651 1652 1653 |
# =========================================================================== 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" -> ... |
1654 |
# Run depmod only if we have System.map and depmod is executable |
50a8ec31c kbuild: disable d... |
1655 |
quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) |
569658ddd kbuild: Call depm... |
1656 |
cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \ |
b92021b09 CONFIG_SYMBOL_PRE... |
1657 |
$(KERNELRELEASE) "$(patsubst y,_,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX))" |
50a8ec31c kbuild: disable d... |
1658 |
|
7bb9d092d kbuild: fix first... |
1659 |
# Create temporary dir for module support files |
ab19f8794 kbuild: fix modul... |
1660 1661 1662 |
# clean it up only when building all modules cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \ $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*) |
1da177e4c Linux-2.6.12-rc2 |
1663 |
|
1da177e4c Linux-2.6.12-rc2 |
1664 |
# read all saved command lines |
2982c9535 kbuild: remove re... |
1665 |
cmd_files := $(wildcard .*.cmd $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd)) |
1da177e4c Linux-2.6.12-rc2 |
1666 1667 1668 1669 1670 |
ifneq ($(cmd_files),) $(cmd_files): ; # Do not try to update included dependency files include $(cmd_files) endif |
1da177e4c Linux-2.6.12-rc2 |
1671 |
endif # skip-makefile |
4f1933620 kbuild: change kb... |
1672 |
PHONY += FORCE |
1da177e4c Linux-2.6.12-rc2 |
1673 |
FORCE: |
4f1933620 kbuild: change kb... |
1674 |
|
4f1933620 kbuild: change kb... |
1675 |
# Declare the contents of the .PHONY variable as phony. We keep that |
fe8d0a410 kbuild: fix a few... |
1676 |
# information in a variable so we can use it in if_changed and friends. |
4f1933620 kbuild: change kb... |
1677 |
.PHONY: $(PHONY) |