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VERSION = 2 PATCHLEVEL = 6 |
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SUBLEVEL = 36 |
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EXTRAVERSION = |
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NAME = Flesh-Eating Bats with Fangs |
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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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# Do not: # o use make's built-in rules and variables |
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# (this increases performance and avoids hard-to-debug behaviour); |
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# o print "Entering directory ..."; MAKEFLAGS += -rR --no-print-directory |
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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 |
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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 # unavoidable when linking the built-in.o targets which finally # 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. # 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 = $(V) |
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endif ifndef KBUILD_VERBOSE KBUILD_VERBOSE = 0 endif |
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# Call a source code checker (by default, "sparse") as part of the # C compilation. # # Use 'make C=1' to enable checking of only re-compiled files. # Use 'make C=2' to enable checking of *all* source files, regardless # of whether they are re-compiled or not. # # See the file "Documentation/sparse.txt" for more details, including # where to get the "sparse" utility. |
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ifeq ("$(origin C)", "command line") KBUILD_CHECKSRC = $(C) |
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endif ifndef KBUILD_CHECKSRC KBUILD_CHECKSRC = 0 endif # Use make M=dir to specify directory of external module to build # Old syntax make ... SUBDIRS=$PWD is still supported # Setting the environment variable KBUILD_EXTMOD take precedence ifdef SUBDIRS KBUILD_EXTMOD ?= $(SUBDIRS) endif |
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ifeq ("$(origin M)", "command line") KBUILD_EXTMOD := $(M) endif |
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# kbuild supports saving output files in a separate directory. # To locate output files in a separate directory two syntaxes are supported. # In both cases the working directory must be the root of the kernel src. # 1) O= # Use "make O=dir/to/store/output/files/" |
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# |
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# 2) Set KBUILD_OUTPUT # Set the environment variable KBUILD_OUTPUT to point to the directory # where the output files shall be placed. # export KBUILD_OUTPUT=dir/to/store/output/files/ # make # # The O= assignment takes precedence over the KBUILD_OUTPUT environment # variable. # KBUILD_SRC is set on invocation of make in OBJ directory # KBUILD_SRC is not intended to be used by the regular user (for now) ifeq ($(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 # That's our default target when none is given on the command line |
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PHONY := _all |
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_all: |
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# Cancel implicit rules on top Makefile $(CURDIR)/Makefile Makefile: ; |
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ifneq ($(KBUILD_OUTPUT),) # Invoke a second make in the output directory, passing relevant variables # check that the output directory actually exists saved-output := $(KBUILD_OUTPUT) KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) $(if $(KBUILD_OUTPUT),, \ $(error output directory "$(saved-output)" does not exist)) |
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PHONY += $(MAKECMDGOALS) sub-make |
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$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make |
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$(Q)@: sub-make: FORCE |
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$(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ KBUILD_SRC=$(CURDIR) \ |
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KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -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 ($(skip-makefile),) # If building an external module we do not care about the all: rule # but instead _all depend on modules |
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PHONY += all |
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ifeq ($(KBUILD_EXTMOD),) _all: all else _all: modules endif srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) |
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objtree := $(CURDIR) 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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# 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, # then ARCH is assigned, getting whatever value it gets normally, and # SUBARCH is subsequently ignored. SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ -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/ ) |
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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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export KBUILD_BUILDHOST := $(SUBARCH) |
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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 := $(ARCH) |
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# Additional ARCH settings for x86 ifeq ($(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),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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# Where to locate arch specific headers hdr-arch := $(SRCARCH) |
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ifeq ($(ARCH),m68knommu) hdr-arch := m68k endif |
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KCONFIG_CONFIG ?= .config |
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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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HOSTCC = gcc HOSTCXX = g++ |
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HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer |
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HOSTCXXFLAGS = -O2 |
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# Decide whether to build built-in, modular, or both. # Normally, just do built-in. |
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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 |
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# make sure the checksums are up to date before we record them. |
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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 |
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export KBUILD_MODULES KBUILD_BUILTIN |
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export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD # 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. |
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# If it is set to "silent_", nothing will be printed at all, since |
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# the variable $(silent_cmd_cc_o_c) doesn't exist. # |
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# A simple variant is to prefix commands with $(Q) - that's useful |
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# for commands that shall be hidden in non-verbose mode. # # $(Q)ln $@ :< # # If KBUILD_VERBOSE equals 0 then the above command will be hidden. # If KBUILD_VERBOSE equals 1 then the above command is displayed. ifeq ($(KBUILD_VERBOSE),1) quiet = Q = else quiet=quiet_ Q = @ endif # If the user is running make -s (silent mode), suppress echoing of # commands ifneq ($(findstring s,$(MAKEFLAGS)),) quiet=silent_ endif export quiet Q KBUILD_VERBOSE |
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# Look for make include files relative to root of kernel src MAKEFLAGS += --include-dir=$(srctree) |
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# We need some generic definitions (do not try to remake the file). $(srctree)/scripts/Kbuild.include: ; |
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include $(srctree)/scripts/Kbuild.include |
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# Make variables (CC, etc...) 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 AWK = awk GENKSYMS = scripts/genksyms/genksyms |
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INSTALLKERNEL := installkernel |
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DEPMOD = /sbin/depmod KALLSYMS = scripts/kallsyms PERL = perl CHECK = sparse |
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CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ -Wbitwise -Wno-return-void $(CF) |
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CFLAGS_MODULE = AFLAGS_MODULE = LDFLAGS_MODULE = |
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CFLAGS_KERNEL = AFLAGS_KERNEL = |
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CFLAGS_GCOV = -fprofile-arcs -ftest-coverage |
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# Use LINUXINCLUDE when you must reference the include/ directory. # Needed to be compatible with the O= option |
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LINUXINCLUDE := -I$(srctree)/arch/$(hdr-arch)/include -Iinclude \ |
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$(if $(KBUILD_SRC), -I$(srctree)/include) \ |
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-include include/generated/autoconf.h |
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KBUILD_CPPFLAGS := -D__KERNEL__ |
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KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ |
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-fno-strict-aliasing -fno-common \ |
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-Werror-implicit-function-declaration \ |
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-Wno-format-security \ -fno-delete-null-pointer-checks |
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KBUILD_AFLAGS_KERNEL := KBUILD_CFLAGS_KERNEL := |
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KBUILD_AFLAGS := -D__ASSEMBLY__ |
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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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# Read KERNELRELEASE from include/config/kernel.release (if it exists) KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null) |
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KERNELVERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) |
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export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION |
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export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC |
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export CPP AR NM STRIP OBJCOPY OBJDUMP export MAKE AWK GENKSYMS INSTALLKERNEL PERL UTS_MACHINE |
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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 CFLAGS_GCOV |
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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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# 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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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 export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exclude CVS --exclude .pc --exclude .hg --exclude .git |
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# =========================================================================== # Rules shared between *config targets and build targets # Basic helpers built in scripts/ |
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PHONY += scripts_basic |
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scripts_basic: $(Q)$(MAKE) $(build)=scripts/basic |
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$(Q)rm -f .tmp_quiet_recordmcount |
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# To avoid any implicit rule to kick in, define an empty command. scripts/basic/%: scripts_basic ; |
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PHONY += outputmakefile |
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# outputmakefile generates a Makefile in the output directory, if using a # separate output directory. This allows convenient use of make in the # output directory. |
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outputmakefile: |
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ifneq ($(KBUILD_SRC),) |
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$(Q)ln -fsn $(srctree) source |
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) endif |
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# To make sure we do not include .config for any of the *config targets # catch them early, and hand them over to scripts/kconfig/Makefile # It is allowed to specify more targets when calling make, including # mixing *config targets and build targets. |
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# For example 'make oldconfig all'. |
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# Detect when mixed targets is specified, and make a second invocation # of make so .config is not included in this case either (for *config). |
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no-dot-config-targets := clean mrproper distclean \ |
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cscope TAGS tags help %docs check% coccicheck \ |
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include/linux/version.h headers_% \ |
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kernelversion %src-pkg |
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config-targets := 0 mixed-targets := 0 dot-config := 1 ifneq ($(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 ($(filter-out config %config,$(MAKECMDGOALS)),) mixed-targets := 1 endif endif endif ifeq ($(mixed-targets),1) # =========================================================================== # We're called with mixed targets (*config and build targets). # Handle them one by one. %:: FORCE $(Q)$(MAKE) -C $(srctree) KBUILD_SRC= $@ else ifeq ($(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' |
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include $(srctree)/arch/$(SRCARCH)/Makefile |
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export KBUILD_DEFCONFIG KBUILD_KCONFIG |
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config: scripts_basic outputmakefile FORCE $(Q)mkdir -p include/linux include/config $(Q)$(MAKE) $(build)=scripts/kconfig $@ %config: scripts_basic outputmakefile FORCE |
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$(Q)mkdir -p include/linux include/config |
1da177e4c Linux-2.6.12-rc2 |
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$(Q)$(MAKE) $(build)=scripts/kconfig $@ else # =========================================================================== # Build targets only - this includes vmlinux, arch specific targets, clean # targets and others. In general all targets except *config targets. ifeq ($(KBUILD_EXTMOD),) # Additional helpers built in scripts/ # Carefully list dependencies so we do not try to build scripts twice |
070b98bfd kbuild: trivial f... |
459 |
# in parallel |
4f1933620 kbuild: change kb... |
460 |
PHONY += scripts |
bc081dd6e kbuild: generate ... |
461 |
scripts: scripts_basic include/config/auto.conf include/config/tristate.conf |
1da177e4c Linux-2.6.12-rc2 |
462 |
$(Q)$(MAKE) $(build)=$(@) |
1da177e4c Linux-2.6.12-rc2 |
463 464 |
# Objects we will link into vmlinux / subdirs we need to visit init-y := init/ |
4d2acfbfd firmware: Add CON... |
465 |
drivers-y := drivers/ sound/ firmware/ |
1da177e4c Linux-2.6.12-rc2 |
466 467 468 469 470 471 |
net-y := net/ libs-y := lib/ core-y := usr/ endif # KBUILD_EXTMOD ifeq ($(dot-config),1) |
9ee4e3365 kbuild: external ... |
472 473 |
# Read in config -include include/config/auto.conf |
1da177e4c Linux-2.6.12-rc2 |
474 |
|
9ee4e3365 kbuild: external ... |
475 |
ifeq ($(KBUILD_EXTMOD),) |
1da177e4c Linux-2.6.12-rc2 |
476 477 |
# Read in dependencies to all Kconfig* files, make sure to run # oldconfig if changes are detected. |
c955ccafc kconfig: fix .con... |
478 |
-include include/config/auto.conf.cmd |
1da177e4c Linux-2.6.12-rc2 |
479 |
|
1da177e4c Linux-2.6.12-rc2 |
480 |
# To avoid any implicit rule to kick in, define an empty command |
14cdd3c40 kconfig: KCONFIG_... |
481 |
$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; |
1da177e4c Linux-2.6.12-rc2 |
482 |
|
c955ccafc kconfig: fix .con... |
483 |
# If .config is newer than include/config/auto.conf, someone tinkered |
752625cff kbuild: always ru... |
484 |
# with it and forgot to run make oldconfig. |
070b98bfd kbuild: trivial f... |
485 |
# if auto.conf.cmd is missing then we are probably in a cleaned tree so |
752625cff kbuild: always ru... |
486 |
# we execute the config step to be sure to catch updated Kconfig files |
bc081dd6e kbuild: generate ... |
487 |
include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd |
1da177e4c Linux-2.6.12-rc2 |
488 489 |
$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig else |
264a26838 kbuild: move auto... |
490 |
# external modules needs include/generated/autoconf.h and include/config/auto.conf |
9ee4e3365 kbuild: external ... |
491 492 493 494 |
# 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... |
495 |
$(Q)test -e include/generated/autoconf.h -a -e $@ || ( \ |
9ee4e3365 kbuild: external ... |
496 497 |
echo; \ echo " ERROR: Kernel configuration is invalid."; \ |
264a26838 kbuild: move auto... |
498 |
echo " include/generated/autoconf.h or $@ are missing.";\ |
9ee4e3365 kbuild: external ... |
499 500 501 502 503 |
echo " Run 'make oldconfig && make prepare' on kernel src to fix it."; \ echo; \ /bin/false) endif # KBUILD_EXTMOD |
c955ccafc kconfig: fix .con... |
504 |
|
1da177e4c Linux-2.6.12-rc2 |
505 506 |
else # Dummy target needed, because used as prerequisite |
c955ccafc kconfig: fix .con... |
507 |
include/config/auto.conf: ; |
9ee4e3365 kbuild: external ... |
508 |
endif # $(dot-config) |
1da177e4c Linux-2.6.12-rc2 |
509 510 511 512 |
# 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... |
513 |
# Defaults to vmlinux, but the arch makefile usually adds further targets |
1da177e4c Linux-2.6.12-rc2 |
514 515 516 |
all: vmlinux ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE |
a0f97e06a kbuild: enable 'm... |
517 |
KBUILD_CFLAGS += -Os |
1da177e4c Linux-2.6.12-rc2 |
518 |
else |
a0f97e06a kbuild: enable 'm... |
519 |
KBUILD_CFLAGS += -O2 |
1da177e4c Linux-2.6.12-rc2 |
520 |
endif |
bef5b54bd Fix MIPS cross-co... |
521 |
include $(srctree)/arch/$(SRCARCH)/Makefile |
08f67461c kbuild: fix detec... |
522 |
ifneq ($(CONFIG_FRAME_WARN),0) |
35bb5b1e0 Add option to ena... |
523 524 |
KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN}) endif |
e06b8b98d kbuild: allow -fs... |
525 |
# Force gcc to behave correct even for buggy distributions |
5d707e9c8 stackprotector: u... |
526 |
ifndef CONFIG_CC_STACKPROTECTOR |
e06b8b98d kbuild: allow -fs... |
527 |
KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) |
5d707e9c8 stackprotector: u... |
528 |
endif |
e06b8b98d kbuild: allow -fs... |
529 |
|
1da177e4c Linux-2.6.12-rc2 |
530 |
ifdef CONFIG_FRAME_POINTER |
a0f97e06a kbuild: enable 'm... |
531 |
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls |
1da177e4c Linux-2.6.12-rc2 |
532 |
else |
7e9501fde ARM: 6312/1: ftra... |
533 534 535 536 537 538 |
# 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... |
539 |
KBUILD_CFLAGS += -fomit-frame-pointer |
1da177e4c Linux-2.6.12-rc2 |
540 |
endif |
7e9501fde ARM: 6312/1: ftra... |
541 |
endif |
1da177e4c Linux-2.6.12-rc2 |
542 543 |
ifdef CONFIG_DEBUG_INFO |
a0f97e06a kbuild: enable 'm... |
544 |
KBUILD_CFLAGS += -g |
222d394d3 kbuild: enable 'm... |
545 |
KBUILD_AFLAGS += -gdwarf-2 |
1da177e4c Linux-2.6.12-rc2 |
546 |
endif |
d6f4ceb79 Kbuild: Add optio... |
547 548 549 |
ifdef CONFIG_DEBUG_INFO_REDUCED KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) endif |
606576ce8 ftrace: rename FT... |
550 |
ifdef CONFIG_FUNCTION_TRACER |
16444a8a4 ftrace: add basic... |
551 |
KBUILD_CFLAGS += -pg |
72441cb1f ftrace/x86: Add s... |
552 |
ifdef CONFIG_DYNAMIC_FTRACE |
cf4db2597 ftrace: Rename co... |
553 |
ifdef CONFIG_HAVE_C_RECORDMCOUNT |
72441cb1f ftrace/x86: Add s... |
554 555 556 557 |
BUILD_C_RECORDMCOUNT := y export BUILD_C_RECORDMCOUNT endif endif |
16444a8a4 ftrace: add basic... |
558 |
endif |
91341d4b2 kbuild: introduce... |
559 560 561 562 |
# We trigger additional mismatches with less inlining ifdef CONFIG_DEBUG_SECTION_MISMATCH KBUILD_CFLAGS += $(call cc-option, -fno-inline-functions-called-once) endif |
e8e699317 [PATCH] kbuild: S... |
563 |
# arch Makefile may override CC so keep this after arch Makefile is included |
e8f5bdb02 [PATCH] Makefile ... |
564 |
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) |
e8e699317 [PATCH] kbuild: S... |
565 |
CHECKFLAGS += $(NOSTDINC_FLAGS) |
1da177e4c Linux-2.6.12-rc2 |
566 |
# warn about C99 declaration after statement |
a0f97e06a kbuild: enable 'm... |
567 |
KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) |
1da177e4c Linux-2.6.12-rc2 |
568 |
|
070b98bfd kbuild: trivial f... |
569 |
# disable pointer signed / unsigned warnings in gcc 4.0 |
a0f97e06a kbuild: enable 'm... |
570 |
KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,) |
1da177e4c Linux-2.6.12-rc2 |
571 |
|
fe8d0a410 kbuild: fix a few... |
572 |
# disable invalid "can't wrap" optimizations for signed / pointers |
a137802ee Don't use '-fwrap... |
573 |
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) |
d0115552c Move cc-option to... |
574 |
|
8f7f5c9fc kbuild: set -fcon... |
575 576 |
# conserve stack if available KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) |
bf5438fca jump label: Base ... |
577 578 579 580 |
# check for 'asm goto' ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y) KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO endif |
06c5040cd kbuild: enable 'm... |
581 |
# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments |
69ee0b352 kbuild: do not pi... |
582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 |
# But warn user when we do so warn-assign = \ $(warning "WARNING: Appending $$K$(1) ($(K$(1))) from $(origin K$(1)) to kernel $$$(1)") ifneq ($(KCPPFLAGS),) $(call warn-assign,CPPFLAGS) KBUILD_CPPFLAGS += $(KCPPFLAGS) endif ifneq ($(KAFLAGS),) $(call warn-assign,AFLAGS) KBUILD_AFLAGS += $(KAFLAGS) endif ifneq ($(KCFLAGS),) $(call warn-assign,CFLAGS) KBUILD_CFLAGS += $(KCFLAGS) endif |
52bcc3308 kbuild: enable us... |
598 |
|
18991197b Use --build-id ld... |
599 600 |
# Use --build-id when available. LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\ |
f86fd3066 kbuild: rename ld... |
601 |
$(call cc-ldoption, -Wl$(comma)--build-id,)) |
6588169d5 kbuild: allow ass... |
602 |
KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID) |
18991197b Use --build-id ld... |
603 |
LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID) |
5d7d18f5b kbuild: make it p... |
604 |
ifeq ($(CONFIG_STRIP_ASM_SYMS),y) |
d79a27195 kbuild: Check if ... |
605 |
LDFLAGS_vmlinux += $(call ld-option, -X,) |
5d7d18f5b kbuild: make it p... |
606 |
endif |
1da177e4c Linux-2.6.12-rc2 |
607 |
# Default kernel image to build when no specific target is given. |
070b98bfd kbuild: trivial f... |
608 |
# KBUILD_IMAGE may be overruled on the command line or |
1da177e4c Linux-2.6.12-rc2 |
609 610 611 612 613 614 615 616 617 618 619 620 621 |
# set in the environment # Also any assignments in arch/$(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 # # 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... |
622 |
# makefile but the argument can be passed to make if needed. |
1da177e4c Linux-2.6.12-rc2 |
623 |
# |
df9df036d kbuild: fix 'make... |
624 |
MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) |
1da177e4c Linux-2.6.12-rc2 |
625 |
export MODLIB |
ac031f26e kbuild: add optio... |
626 |
# |
2ea038917 Revert "kbuild: s... |
627 628 629 630 |
# 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 will used as the options to the strip command. |
ac031f26e kbuild: add optio... |
631 632 |
ifdef INSTALL_MOD_STRIP ifeq ($(INSTALL_MOD_STRIP),1) |
2ea038917 Revert "kbuild: s... |
633 |
mod_strip_cmd = $(STRIP) --strip-debug |
ac031f26e kbuild: add optio... |
634 |
else |
2ea038917 Revert "kbuild: s... |
635 |
mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP) |
ac031f26e kbuild: add optio... |
636 637 |
endif # INSTALL_MOD_STRIP=1 else |
2ea038917 Revert "kbuild: s... |
638 |
mod_strip_cmd = true |
ac031f26e kbuild: add optio... |
639 640 |
endif # INSTALL_MOD_STRIP export mod_strip_cmd |
1da177e4c Linux-2.6.12-rc2 |
641 642 |
ifeq ($(KBUILD_EXTMOD),) |
3a65dfe8c [BLOCK] Move all ... |
643 |
core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ |
1da177e4c Linux-2.6.12-rc2 |
644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 |
vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \ $(core-y) $(core-m) $(drivers-y) $(drivers-m) \ $(net-y) $(net-m) $(libs-y) $(libs-m))) vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \ $(init-n) $(init-) \ $(core-n) $(core-) $(drivers-n) $(drivers-) \ $(net-n) $(net-) $(libs-n) $(libs-)))) init-y := $(patsubst %/, %/built-in.o, $(init-y)) core-y := $(patsubst %/, %/built-in.o, $(core-y)) drivers-y := $(patsubst %/, %/built-in.o, $(drivers-y)) net-y := $(patsubst %/, %/built-in.o, $(net-y)) libs-y1 := $(patsubst %/, %/lib.a, $(libs-y)) libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y)) libs-y := $(libs-y1) $(libs-y2) # Build vmlinux # --------------------------------------------------------------------------- |
070b98bfd kbuild: trivial f... |
664 |
# vmlinux is built from the objects selected by $(vmlinux-init) and |
1da177e4c Linux-2.6.12-rc2 |
665 |
# $(vmlinux-main). Most are built-in.o files from top-level directories |
2462566f2 kbuild: add a mis... |
666 |
# in the kernel tree, others are specified in arch/$(ARCH)/Makefile. |
1da177e4c Linux-2.6.12-rc2 |
667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 |
# Ordering when linking is important, and $(vmlinux-init) must be first. # # vmlinux # ^ # | # +-< $(vmlinux-init) # | +--< init/version.o + more # | # +--< $(vmlinux-main) # | +--< driver/built-in.o mm/built-in.o + more # | # +-< kallsyms.o (see description in CONFIG_KALLSYMS section) # # vmlinux version (uname -v) cannot be updated during normal # descending-into-subdirs phase since we do not yet know if we need to # update vmlinux. # Therefore this step is delayed until just before final link of vmlinux - # except in the kallsyms case where it is done just before adding the # symbols to the kernel. # # System.map is generated to document addresses of all kernel symbols vmlinux-init := $(head-y) $(init-y) vmlinux-main := $(core-y) $(libs-y) $(drivers-y) $(net-y) vmlinux-all := $(vmlinux-init) $(vmlinux-main) |
6752ed90d Kbuild: allow arc... |
692 |
vmlinux-lds := arch/$(SRCARCH)/kernel/vmlinux.lds |
85bd2fddd kbuild: fix secti... |
693 |
export KBUILD_VMLINUX_OBJS := $(vmlinux-all) |
1da177e4c Linux-2.6.12-rc2 |
694 695 696 697 698 699 700 |
# Rule to link vmlinux - also used during CONFIG_KALLSYMS # May be overridden by arch/$(ARCH)/Makefile quiet_cmd_vmlinux__ ?= LD $@ cmd_vmlinux__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) -o $@ \ -T $(vmlinux-lds) $(vmlinux-init) \ --start-group $(vmlinux-main) --end-group \ |
741f98fe2 kbuild: do sectio... |
701 |
$(filter-out $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) vmlinux.o FORCE ,$^) |
1da177e4c Linux-2.6.12-rc2 |
702 703 704 705 |
# Generate new vmlinux version quiet_cmd_vmlinux_version = GEN .version cmd_vmlinux_version = set -e; \ |
4e25d8bb9 [PATCH] kbuild: a... |
706 707 708 709 710 711 712 |
if [ ! -r .version ]; then \ rm -f .version; \ echo 1 >.version; \ else \ mv .version .old_version; \ expr 0$$(cat .old_version) + 1 >.version; \ fi; \ |
1da177e4c Linux-2.6.12-rc2 |
713 714 715 |
$(MAKE) $(build)=init # Generate System.map |
070b98bfd kbuild: trivial f... |
716 |
quiet_cmd_sysmap = SYSMAP |
1da177e4c Linux-2.6.12-rc2 |
717 718 719 720 721 |
cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap # Link of vmlinux # If CONFIG_KALLSYMS is set .version is already updated # Generate System.map and verify that the content is consistent |
39ca371c4 [PATCH] kbuild: E... |
722 723 |
# Use + in front of the vmlinux_version rule to silent warning with make -j2 # First command is ':' to allow us to use + in front of the rule |
1da177e4c Linux-2.6.12-rc2 |
724 |
define rule_vmlinux__ |
39ca371c4 [PATCH] kbuild: E... |
725 |
: |
1da177e4c Linux-2.6.12-rc2 |
726 727 728 729 |
$(if $(CONFIG_KALLSYMS),,+$(call cmd,vmlinux_version)) $(call cmd,vmlinux__) $(Q)echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd |
4635281c8 kbuild: preperly ... |
730 731 732 733 734 735 |
$(Q)$(if $($(quiet)cmd_sysmap), \ echo ' $($(quiet)cmd_sysmap) System.map' &&) \ $(cmd_sysmap) $@ System.map; \ if [ $$? -ne 0 ]; then \ rm -f $@; \ /bin/false; \ |
1da177e4c Linux-2.6.12-rc2 |
736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 |
fi; $(verify_kallsyms) endef ifdef CONFIG_KALLSYMS # Generate section listing all symbols and add it into vmlinux $(kallsyms.o) # It's a three stage process: # o .tmp_vmlinux1 has all symbols and sections, but __kallsyms is # empty # Running kallsyms on that gives us .tmp_kallsyms1.o with # the right size - vmlinux version (uname -v) is updated during this step # o .tmp_vmlinux2 now has a __kallsyms section of the right size, # but due to the added section, some addresses have shifted. # From here, we generate a correct .tmp_kallsyms2.o # o The correct .tmp_kallsyms2.o is linked into the final vmlinux. # o Verify that the System.map from vmlinux matches the map from # .tmp_vmlinux2, just in case we did not generate kallsyms correctly. # o If CONFIG_KALLSYMS_EXTRA_PASS is set, do an extra pass using # .tmp_vmlinux3 and .tmp_kallsyms3.o. This is only meant as a # temporary bypass to allow the kernel to be built while the # maintainers work out what went wrong with kallsyms. ifdef CONFIG_KALLSYMS_EXTRA_PASS last_kallsyms := 3 else last_kallsyms := 2 endif kallsyms.o := .tmp_kallsyms$(last_kallsyms).o define verify_kallsyms |
4635281c8 kbuild: preperly ... |
768 769 |
$(Q)$(if $($(quiet)cmd_sysmap), \ echo ' $($(quiet)cmd_sysmap) .tmp_System.map' &&) \ |
1da177e4c Linux-2.6.12-rc2 |
770 |
$(cmd_sysmap) .tmp_vmlinux$(last_kallsyms) .tmp_System.map |
4635281c8 kbuild: preperly ... |
771 772 773 |
$(Q)cmp -s System.map .tmp_System.map || \ (echo Inconsistent kallsyms data; \ echo Try setting CONFIG_KALLSYMS_EXTRA_PASS; \ |
1da177e4c Linux-2.6.12-rc2 |
774 775 776 777 778 |
rm .tmp_kallsyms* ; /bin/false ) endef # Update vmlinux version before link # Use + in front of this rule to silent warning about make -j1 |
72ba47c1b kbuild: silence m... |
779 |
# First command is ':' to allow us to use + in front of this rule |
1da177e4c Linux-2.6.12-rc2 |
780 781 |
cmd_ksym_ld = $(cmd_vmlinux__) define rule_ksym_ld |
72ba47c1b kbuild: silence m... |
782 |
: |
1da177e4c Linux-2.6.12-rc2 |
783 784 785 786 787 788 789 |
+$(call cmd,vmlinux_version) $(call cmd,vmlinux__) $(Q)echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd endef # Generate .S file with all kernel symbols quiet_cmd_kallsyms = KSYM $@ |
2ea038917 Revert "kbuild: s... |
790 791 |
cmd_kallsyms = $(NM) -n $< | $(KALLSYMS) \ $(if $(CONFIG_KALLSYMS_ALL),--all-symbols) > $@ |
9bb482476 allow stripping o... |
792 |
|
2ea038917 Revert "kbuild: s... |
793 |
.tmp_kallsyms1.o .tmp_kallsyms2.o .tmp_kallsyms3.o: %.o: %.S scripts FORCE |
1da177e4c Linux-2.6.12-rc2 |
794 |
$(call if_changed_dep,as_o_S) |
2ea038917 Revert "kbuild: s... |
795 |
.tmp_kallsyms%.S: .tmp_vmlinux% $(KALLSYMS) |
1da177e4c Linux-2.6.12-rc2 |
796 797 798 |
$(call cmd,kallsyms) # .tmp_vmlinux1 must be complete except kallsyms, so update vmlinux version |
2ea038917 Revert "kbuild: s... |
799 800 |
.tmp_vmlinux1: $(vmlinux-lds) $(vmlinux-all) FORCE $(call if_changed_rule,ksym_ld) |
1da177e4c Linux-2.6.12-rc2 |
801 |
|
2ea038917 Revert "kbuild: s... |
802 803 |
.tmp_vmlinux2: $(vmlinux-lds) $(vmlinux-all) .tmp_kallsyms1.o FORCE $(call if_changed,vmlinux__) |
1da177e4c Linux-2.6.12-rc2 |
804 |
|
2ea038917 Revert "kbuild: s... |
805 806 |
.tmp_vmlinux3: $(vmlinux-lds) $(vmlinux-all) .tmp_kallsyms2.o FORCE $(call if_changed,vmlinux__) |
1da177e4c Linux-2.6.12-rc2 |
807 808 809 |
# Needs to visit scripts/ before $(KALLSYMS) can be used. $(KALLSYMS): scripts ; |
33bc25eae kbuild: Add targe... |
810 811 812 813 814 815 816 817 818 |
# Generate some data for debugging strange kallsyms problems debug_kallsyms: .tmp_map$(last_kallsyms) .tmp_map%: .tmp_vmlinux% FORCE ($(OBJDUMP) -h $< | $(AWK) '/^ +[0-9]/{print $$4 " 0 " $$2}'; $(NM) $<) | sort > $@ .tmp_map3: .tmp_map2 .tmp_map2: .tmp_map1 |
1da177e4c Linux-2.6.12-rc2 |
819 |
endif # ifdef CONFIG_KALLSYMS |
741f98fe2 kbuild: do sectio... |
820 821 822 823 824 |
# Do modpost on a prelinked vmlinux. The finally linked vmlinux has # relevant sections renamed as per the linker script. quiet_cmd_vmlinux-modpost = LD $@ cmd_vmlinux-modpost = $(LD) $(LDFLAGS) -r -o $@ \ $(vmlinux-init) --start-group $(vmlinux-main) --end-group \ |
90ebd878a kbuild: fix vmlin... |
825 |
$(filter-out $(vmlinux-init) $(vmlinux-main) FORCE ,$^) |
741f98fe2 kbuild: do sectio... |
826 827 828 829 830 831 |
define rule_vmlinux-modpost : +$(call cmd,vmlinux-modpost) $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $@ $(Q)echo 'cmd_$@ := $(cmd_vmlinux-modpost)' > $(dot-target).cmd endef |
1da177e4c Linux-2.6.12-rc2 |
832 |
# vmlinux image - including updated kernel symbols |
310f8243a kbuild: link vmli... |
833 |
vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) vmlinux.o $(kallsyms.o) FORCE |
0f836e5fe [PATCH] Add CONFI... |
834 |
ifdef CONFIG_HEADERS_CHECK |
0e7af8d04 [PATCH] Fix heade... |
835 |
$(Q)$(MAKE) -f $(srctree)/Makefile headers_check |
0f836e5fe [PATCH] Add CONFI... |
836 |
endif |
267c4025f markers: Add samp... |
837 838 839 |
ifdef CONFIG_SAMPLES $(Q)$(MAKE) $(build)=samples endif |
3794f3e81 docsrc: build Doc... |
840 841 842 |
ifdef CONFIG_BUILD_DOCSRC $(Q)$(MAKE) $(build)=Documentation endif |
741f98fe2 kbuild: do sectio... |
843 |
$(call vmlinux-modpost) |
1da177e4c Linux-2.6.12-rc2 |
844 |
$(call if_changed_rule,vmlinux__) |
4e25d8bb9 [PATCH] kbuild: a... |
845 |
$(Q)rm -f .old_version |
1da177e4c Linux-2.6.12-rc2 |
846 |
|
310f8243a kbuild: link vmli... |
847 |
# build vmlinux.o first to catch section mismatch errors early |
cf87dcd14 kbuild: fix build... |
848 849 850 |
ifdef CONFIG_KALLSYMS .tmp_vmlinux1: vmlinux.o endif |
90ebd878a kbuild: fix vmlin... |
851 852 853 |
modpost-init := $(filter-out init/built-in.o, $(vmlinux-init)) vmlinux.o: $(modpost-init) $(vmlinux-main) FORCE |
741f98fe2 kbuild: do sectio... |
854 |
$(call if_changed_rule,vmlinux-modpost) |
1da177e4c Linux-2.6.12-rc2 |
855 856 857 858 859 860 861 862 863 |
# The actual objects are generated when descending, # make sure no implicit rule kicks in $(sort $(vmlinux-init) $(vmlinux-main)) $(vmlinux-lds): $(vmlinux-dirs) ; # 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... |
864 |
PHONY += $(vmlinux-dirs) |
5bb782690 kbuild: rename pr... |
865 |
$(vmlinux-dirs): prepare scripts |
1da177e4c Linux-2.6.12-rc2 |
866 |
$(Q)$(MAKE) $(build)=$@ |
f1d28fb04 kconfig: move .ke... |
867 |
# Store (new) KERNELRELASE string in include/config/kernel.release |
f1d28fb04 kconfig: move .ke... |
868 |
include/config/kernel.release: include/config/auto.conf FORCE |
2244cbd8a kbuild: create .k... |
869 |
$(Q)rm -f $@ |
7263e715c kbuild: Fix path ... |
870 |
$(Q)echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" > $@ |
cb58455c4 kbuild: KERNELREL... |
871 |
|
1da177e4c Linux-2.6.12-rc2 |
872 |
# Things we need to do before we recursively start building the kernel |
5bb782690 kbuild: rename pr... |
873 874 875 876 |
# 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 |
877 |
|
5bb782690 kbuild: rename pr... |
878 |
# Listed in dependency order |
4f1933620 kbuild: change kb... |
879 |
PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 |
5bb782690 kbuild: rename pr... |
880 |
|
86feeaa81 kbuild: full depe... |
881 |
# prepare3 is used to check if we are building in a separate output directory, |
1da177e4c Linux-2.6.12-rc2 |
882 883 |
# and if so do: # 1) Check that make has not been executed in the kernel src $(srctree) |
f1d28fb04 kconfig: move .ke... |
884 |
prepare3: include/config/kernel.release |
1da177e4c Linux-2.6.12-rc2 |
885 |
ifneq ($(KBUILD_SRC),) |
fd54f5028 kbuild: use KECHO... |
886 |
@$(kecho) ' Using $(srctree) as source for kernel' |
c955ccafc kconfig: fix .con... |
887 |
$(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ |
1da177e4c Linux-2.6.12-rc2 |
888 889 890 891 |
echo " $(srctree) is not clean, please run 'make mrproper'";\ echo " in the '$(srctree)' directory.";\ /bin/false; \ fi; |
1da177e4c Linux-2.6.12-rc2 |
892 |
endif |
86feeaa81 kbuild: full depe... |
893 894 |
# prepare2 creates a makefile if using a separate output directory prepare2: prepare3 outputmakefile |
1da177e4c Linux-2.6.12-rc2 |
895 |
|
273b281fa kbuild: move utsr... |
896 |
prepare1: prepare2 include/linux/version.h include/generated/utsrelease.h \ |
f7f16b779 kbuild: drop incl... |
897 |
include/config/auto.conf |
7bb9d092d kbuild: fix first... |
898 |
$(cmd_crmodverdir) |
1da177e4c Linux-2.6.12-rc2 |
899 |
|
5bb782690 kbuild: rename pr... |
900 901 902 |
archprepare: prepare1 scripts_basic prepare0: archprepare FORCE |
8d36a6236 kbuild: fix gener... |
903 |
$(Q)$(MAKE) $(build)=. |
c53aeca05 kbuild: complain ... |
904 |
$(Q)$(MAKE) $(build)=. missing-syscalls |
86feeaa81 kbuild: full depe... |
905 |
|
1da177e4c Linux-2.6.12-rc2 |
906 |
# All the preparing.. |
d395efb54 [PATCH] Kbuild: R... |
907 |
prepare: prepare0 |
1da177e4c Linux-2.6.12-rc2 |
908 |
|
1da177e4c Linux-2.6.12-rc2 |
909 910 911 912 913 914 915 |
# 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... |
916 917 918 919 920 921 922 |
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 |
923 924 |
define filechk_version.h |
63104eec2 kbuild: introduce... |
925 926 927 |
(echo \#define LINUX_VERSION_CODE $(shell \ expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \ echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';) |
1da177e4c Linux-2.6.12-rc2 |
928 |
endef |
63104eec2 kbuild: introduce... |
929 |
include/linux/version.h: $(srctree)/Makefile FORCE |
1da177e4c Linux-2.6.12-rc2 |
930 |
$(call filechk,version.h) |
273b281fa kbuild: move utsr... |
931 |
include/generated/utsrelease.h: include/config/kernel.release FORCE |
63104eec2 kbuild: introduce... |
932 |
$(call filechk,utsrelease.h) |
179efcb47 kbuild: add heade... |
933 934 935 |
PHONY += headerdep headerdep: $(Q)find include/ -name '*.h' | xargs --max-args 1 scripts/headerdep.pl |
1da177e4c Linux-2.6.12-rc2 |
936 |
# --------------------------------------------------------------------------- |
4f1933620 kbuild: change kb... |
937 |
PHONY += depend dep |
1da177e4c Linux-2.6.12-rc2 |
938 939 940 941 |
depend dep: @echo '*** Warning: make $@ is unnecessary now.' # --------------------------------------------------------------------------- |
88ecf814c firmware: Add fir... |
942 943 944 945 946 947 948 949 950 951 |
# Firmware install INSTALL_FW_PATH=$(INSTALL_MOD_PATH)/lib/firmware export INSTALL_FW_PATH PHONY += firmware_install firmware_install: FORCE @mkdir -p $(objtree)/firmware $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_install # --------------------------------------------------------------------------- |
8d730cfb5 Basic implementat... |
952 |
# Kernel headers |
8d730cfb5 Basic implementat... |
953 |
|
e6883b187 kbuild: refactor ... |
954 955 |
#Default location for installed headers export INSTALL_HDR_PATH = $(objtree)/usr |
6d7162758 New 'make headers... |
956 |
|
e6883b187 kbuild: refactor ... |
957 |
hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj |
2fb9b1bd9 kbuild: prepare h... |
958 959 960 |
# If we do an all arch process set dst to asm-$(hdr-arch) hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm) |
e6883b187 kbuild: refactor ... |
961 962 963 |
PHONY += __headers __headers: include/linux/version.h scripts_basic FORCE |
398477d4b Merge git://git.i... |
964 |
$(Q)$(MAKE) $(build)=scripts scripts/unifdef |
e6883b187 kbuild: refactor ... |
965 966 |
PHONY += headers_install_all |
2fb9b1bd9 kbuild: prepare h... |
967 968 |
headers_install_all: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install |
6d7162758 New 'make headers... |
969 |
|
8d730cfb5 Basic implementat... |
970 |
PHONY += headers_install |
e6883b187 kbuild: refactor ... |
971 |
headers_install: __headers |
c95fa08a3 kbuild: do not ch... |
972 |
$(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/asm/Kbuild),, \ |
2fb9b1bd9 kbuild: prepare h... |
973 |
$(error Headers not exportable for the $(SRCARCH) architecture)) |
88181ec30 kbuild: only one ... |
974 |
$(Q)$(MAKE) $(hdr-inst)=include |
c95fa08a3 kbuild: do not ch... |
975 |
$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/asm $(hdr-dst) |
8d730cfb5 Basic implementat... |
976 |
|
1f85712e6 [PATCH] new tople... |
977 978 |
PHONY += headers_check_all headers_check_all: headers_install_all |
2fb9b1bd9 kbuild: prepare h... |
979 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check |
1f85712e6 [PATCH] new tople... |
980 |
|
684753599 Basic implementat... |
981 982 |
PHONY += headers_check headers_check: headers_install |
88181ec30 kbuild: only one ... |
983 |
$(Q)$(MAKE) $(hdr-inst)=include HDRCHECK=1 |
c95fa08a3 kbuild: do not ch... |
984 |
$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/asm $(hdr-dst) HDRCHECK=1 |
684753599 Basic implementat... |
985 |
|
8d730cfb5 Basic implementat... |
986 |
# --------------------------------------------------------------------------- |
1da177e4c Linux-2.6.12-rc2 |
987 988 989 |
# Modules ifdef CONFIG_MODULES |
070b98bfd kbuild: trivial f... |
990 |
# By default, build modules as well |
1da177e4c Linux-2.6.12-rc2 |
991 |
|
73d1393eb kbuild: Generate ... |
992 |
all: modules |
1da177e4c Linux-2.6.12-rc2 |
993 994 |
# Build modules |
551559e13 kbuild: implement... |
995 996 997 998 |
# # 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 |
999 |
|
4f1933620 kbuild: change kb... |
1000 |
PHONY += modules |
2da30e703 kbuild: Generate ... |
1001 |
modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin |
551559e13 kbuild: implement... |
1002 |
$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order |
fd54f5028 kbuild: use KECHO... |
1003 |
@$(kecho) ' Building modules, stage 2.'; |
b805aa0e7 kbuild: make -rR ... |
1004 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
44463f7dd firmware: create ... |
1005 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild |
1da177e4c Linux-2.6.12-rc2 |
1006 |
|
a6c366324 kbuild: Do not un... |
1007 1008 |
modules.builtin: $(vmlinux-dirs:%=%/modules.builtin) $(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin |
73d1393eb kbuild: Generate ... |
1009 |
%/modules.builtin: include/config/auto.conf |
a6c366324 kbuild: Do not un... |
1010 |
$(Q)$(MAKE) $(modbuiltin)=$* |
1da177e4c Linux-2.6.12-rc2 |
1011 1012 |
# Target to prepare building external modules |
4f1933620 kbuild: change kb... |
1013 |
PHONY += modules_prepare |
5bb782690 kbuild: rename pr... |
1014 |
modules_prepare: prepare scripts |
1da177e4c Linux-2.6.12-rc2 |
1015 1016 |
# Target to install modules |
4f1933620 kbuild: change kb... |
1017 |
PHONY += modules_install |
1da177e4c Linux-2.6.12-rc2 |
1018 |
modules_install: _modinst_ _modinst_post |
4f1933620 kbuild: change kb... |
1019 |
PHONY += _modinst_ |
2da30e703 kbuild: Generate ... |
1020 |
_modinst_: |
ce454d4d7 [PATCH] kbuild: W... |
1021 |
@if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \ |
1da177e4c Linux-2.6.12-rc2 |
1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 |
echo "Warning: you may need to install module-init-tools"; \ echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt";\ sleep 1; \ fi @rm -rf $(MODLIB)/kernel @rm -f $(MODLIB)/source @mkdir -p $(MODLIB)/kernel @ln -s $(srctree) $(MODLIB)/source @if [ ! $(objtree) -ef $(MODLIB)/build ]; then \ rm -f $(MODLIB)/build ; \ ln -s $(objtree) $(MODLIB)/build ; \ fi |
551559e13 kbuild: implement... |
1034 |
@cp -f $(objtree)/modules.order $(MODLIB)/ |
bc081dd6e kbuild: generate ... |
1035 |
@cp -f $(objtree)/modules.builtin $(MODLIB)/ |
b805aa0e7 kbuild: make -rR ... |
1036 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
1037 |
|
50a8ec31c kbuild: disable d... |
1038 |
# This depmod is only for convenience to give the initial |
1da177e4c Linux-2.6.12-rc2 |
1039 1040 |
# boot a modules.dep even before / is mounted read-write. However the # boot script depmod is the master version. |
4f1933620 kbuild: change kb... |
1041 |
PHONY += _modinst_post |
1da177e4c Linux-2.6.12-rc2 |
1042 |
_modinst_post: _modinst_ |
88ecf814c firmware: Add fir... |
1043 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst |
50a8ec31c kbuild: disable d... |
1044 |
$(call cmd,depmod) |
1da177e4c Linux-2.6.12-rc2 |
1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 |
else # CONFIG_MODULES # Modules not configured # --------------------------------------------------------------------------- modules modules_install: FORCE @echo @echo "The present kernel configuration has modules disabled." @echo "Type 'make config' and enable loadable module support." @echo "Then build a kernel with module support enabled." @echo @exit 1 endif # CONFIG_MODULES |
1da177e4c Linux-2.6.12-rc2 |
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 |
### # 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' CLEAN_DIRS += $(MODVERDIR) CLEAN_FILES += vmlinux System.map \ .tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map # Directories & files removed with 'make mrproper' |
96f13045b kbuild: drop incl... |
1073 |
MRPROPER_DIRS += include/config usr/include include/generated |
f7f16b779 kbuild: drop incl... |
1074 |
MRPROPER_FILES += .config .config.old .version .old_version \ |
264a26838 kbuild: move auto... |
1075 |
include/linux/version.h \ |
8723eaeff Kbuild: clean up ... |
1076 |
Module.symvers tags TAGS cscope* |
1da177e4c Linux-2.6.12-rc2 |
1077 1078 1079 1080 1081 |
# clean - Delete most, but leave enough to build external modules # clean: rm-dirs := $(CLEAN_DIRS) clean: rm-files := $(CLEAN_FILES) |
3794f3e81 docsrc: build Doc... |
1082 |
clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs) Documentation) |
1da177e4c Linux-2.6.12-rc2 |
1083 |
|
4f1933620 kbuild: change kb... |
1084 |
PHONY += $(clean-dirs) clean archclean |
1da177e4c Linux-2.6.12-rc2 |
1085 1086 1087 1088 1089 1090 1091 |
$(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) clean: archclean $(clean-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) @find . $(RCS_FIND_IGNORE) \ |
070b98bfd kbuild: trivial f... |
1092 |
\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ |
15fde6751 kbuild: support f... |
1093 |
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ |
d35cb360c markers: fix dupl... |
1094 |
-o -name '*.symtypes' -o -name 'modules.order' \ |
d9bdcc72e kbuild: fix make ... |
1095 |
-o -name modules.builtin -o -name '.tmp_*.o.*' \ |
2521f2c22 gcov: add gcov pr... |
1096 |
-o -name '*.gcno' \) -type f -print | xargs rm -f |
1da177e4c Linux-2.6.12-rc2 |
1097 1098 1099 1100 1101 1102 |
# mrproper - Delete all generated files, including .config # mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) mrproper-dirs := $(addprefix _mrproper_,Documentation/DocBook scripts) |
4f1933620 kbuild: change kb... |
1103 |
PHONY += $(mrproper-dirs) mrproper archmrproper |
1da177e4c Linux-2.6.12-rc2 |
1104 1105 1106 1107 1108 1109 1110 1111 1112 |
$(mrproper-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) mrproper: clean archmrproper $(mrproper-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) # distclean # |
4f1933620 kbuild: change kb... |
1113 |
PHONY += distclean |
1da177e4c Linux-2.6.12-rc2 |
1114 1115 1116 |
distclean: mrproper @find $(srctree) $(RCS_FIND_IGNORE) \ |
070b98bfd kbuild: trivial f... |
1117 |
\( -name '*.orig' -o -name '*.rej' -o -name '*~' \ |
1da177e4c Linux-2.6.12-rc2 |
1118 |
-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ |
070b98bfd kbuild: trivial f... |
1119 |
-o -name '.*.rej' -o -size 0 \ |
1da177e4c Linux-2.6.12-rc2 |
1120 1121 1122 1123 1124 1125 1126 1127 |
-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ -type f -print | xargs rm -f # Packaging of the kernel to various formats # --------------------------------------------------------------------------- # rpm target kept for backward compatibility package-dir := $(srctree)/scripts/package |
bafb67470 perf tools: Allow... |
1128 1129 |
%src-pkg: FORCE $(Q)$(MAKE) $(build)=$(package-dir) $@ |
031ecc6de kbuild: add depen... |
1130 |
%pkg: include/config/kernel.release FORCE |
6c2133e11 kbuild: fix make ... |
1131 |
$(Q)$(MAKE) $(build)=$(package-dir) $@ |
031ecc6de kbuild: add depen... |
1132 |
rpm: include/config/kernel.release FORCE |
6c2133e11 kbuild: fix make ... |
1133 |
$(Q)$(MAKE) $(build)=$(package-dir) $@ |
1da177e4c Linux-2.6.12-rc2 |
1134 1135 1136 1137 |
# Brief documentation of the typical targets used # --------------------------------------------------------------------------- |
5dffbe811 kbuild: show defc... |
1138 |
boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig) |
1da177e4c Linux-2.6.12-rc2 |
1139 |
boards := $(notdir $(boards)) |
5dffbe811 kbuild: show defc... |
1140 1141 |
board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig)) board-dirs := $(sort $(notdir $(board-dirs:/=))) |
1da177e4c Linux-2.6.12-rc2 |
1142 1143 1144 |
help: @echo 'Cleaning targets:' |
5ea084ef9 Use consistent ca... |
1145 |
@echo ' clean - Remove most generated files but keep the config and' |
5cc8d246d kbuild: add distc... |
1146 |
@echo ' enough build support to build external modules' |
5ea084ef9 Use consistent ca... |
1147 |
@echo ' mrproper - Remove all generated files + config + various backup files' |
5cc8d246d kbuild: add distc... |
1148 |
@echo ' distclean - mrproper + remove editor backup and patch files' |
1da177e4c Linux-2.6.12-rc2 |
1149 1150 1151 1152 1153 1154 1155 1156 |
@echo '' @echo 'Configuration targets:' @$(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 ... |
1157 |
@echo ' modules_install - Install all modules to INSTALL_MOD_PATH (default: /)' |
88ecf814c firmware: Add fir... |
1158 1159 |
@echo ' firmware_install- Install all firmware to INSTALL_FW_PATH' @echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)' |
1da177e4c Linux-2.6.12-rc2 |
1160 |
@echo ' dir/ - Build all files in dir and below' |
627189797 Makefile: Documen... |
1161 1162 1163 |
@echo ' dir/file.[oisS] - Build specified target only' @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... |
1164 |
@echo ' dir/file.ko - Build module including final link' |
c4d5ee67c kbuild: "make pre... |
1165 |
@echo ' modules_prepare - Set up for building external modules' |
1da177e4c Linux-2.6.12-rc2 |
1166 1167 |
@echo ' tags/TAGS - Generate tags file for editors' @echo ' cscope - Generate cscope index' |
6d1288425 [PATCH] kbuild: a... |
1168 |
@echo ' kernelrelease - Output the release version string' |
cb58455c4 kbuild: KERNELREL... |
1169 |
@echo ' kernelversion - Output the version stored in Makefile' |
2fb9b1bd9 kbuild: prepare h... |
1170 |
@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ |
59df3230f [PATCH] `make hel... |
1171 |
echo ' (default: $(INSTALL_HDR_PATH))'; \ |
2fb9b1bd9 kbuild: prepare h... |
1172 |
echo '' |
1da177e4c Linux-2.6.12-rc2 |
1173 |
@echo 'Static analysers' |
1da177e4c Linux-2.6.12-rc2 |
1174 1175 |
@echo ' checkstack - Generate a list of stack hogs' @echo ' namespacecheck - Name space analysis on compiled kernel' |
aa025e7d5 kbuild: document ... |
1176 |
@echo ' versioncheck - Sanity check on version.h usage' |
ec2d987f9 kbuild: add 'incl... |
1177 |
@echo ' includecheck - Check for duplicate included header files' |
295ac0518 kbuild: call expo... |
1178 |
@echo ' export_report - List the usages of all exported symbols' |
179efcb47 kbuild: add heade... |
1179 |
@echo ' headers_check - Sanity check on exported headers' |
74425eee7 Add a target to u... |
1180 1181 1182 |
@echo ' headerdep - Detect inclusion cycles in headers' @$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help @echo '' |
1da177e4c Linux-2.6.12-rc2 |
1183 |
@echo 'Kernel packaging:' |
6c2133e11 kbuild: fix make ... |
1184 |
@$(MAKE) $(build)=$(package-dir) help |
1da177e4c Linux-2.6.12-rc2 |
1185 1186 1187 1188 |
@echo '' @echo 'Documentation targets:' @$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp @echo '' |
01dee1881 kbuild: fix help ... |
1189 |
@echo 'Architecture specific targets ($(SRCARCH)):' |
1da177e4c Linux-2.6.12-rc2 |
1190 |
@$(if $(archhelp),$(archhelp),\ |
01dee1881 kbuild: fix help ... |
1191 |
echo ' No architecture specific help defined for $(SRCARCH)') |
1da177e4c Linux-2.6.12-rc2 |
1192 1193 1194 1195 1196 1197 |
@echo '' @$(if $(boards), \ $(foreach b, $(boards), \ printf " %-24s - Build for %s\ " $(b) $(subst _defconfig,,$(b));) \ echo '') |
5dffbe811 kbuild: show defc... |
1198 1199 1200 1201 1202 1203 1204 |
@$(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 |
1205 1206 |
@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' |
45d506bd6 kbuild: make V=2 ... |
1207 |
@echo ' make V=2 [targets] 2 => give reason for rebuild of target' |
1da177e4c Linux-2.6.12-rc2 |
1208 |
@echo ' make O=dir [targets] Locate all output files in "dir", including .config' |
701842e3b kbuild: documenta... |
1209 1210 |
@echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' @echo ' make C=2 [targets] Force check of all c source with $$CHECK' |
1da177e4c Linux-2.6.12-rc2 |
1211 1212 1213 |
@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... |
1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 |
help-board-dirs := $(addprefix help-,$(board-dirs)) help-boards: $(help-board-dirs) boards-per-dir = $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig)) $(help-board-dirs): help-%: @echo 'Architecture specific targets ($(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 |
1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 |
# Documentation targets # --------------------------------------------------------------------------- %docs: scripts_basic FORCE $(Q)$(MAKE) $(build)=Documentation/DocBook $@ 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... |
1248 |
# Install the modules built in the module directory |
1da177e4c Linux-2.6.12-rc2 |
1249 1250 1251 1252 |
# Assumes install directory is already created # We are always building modules KBUILD_MODULES := 1 |
4f1933620 kbuild: change kb... |
1253 |
PHONY += crmodverdir |
1da177e4c Linux-2.6.12-rc2 |
1254 |
crmodverdir: |
7bb9d092d kbuild: fix first... |
1255 |
$(cmd_crmodverdir) |
1da177e4c Linux-2.6.12-rc2 |
1256 |
|
4f1933620 kbuild: change kb... |
1257 |
PHONY += $(objtree)/Module.symvers |
1da177e4c Linux-2.6.12-rc2 |
1258 1259 1260 1261 1262 1263 1264 1265 |
$(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... |
1266 |
PHONY += $(module-dirs) modules |
1da177e4c Linux-2.6.12-rc2 |
1267 1268 1269 1270 |
$(module-dirs): crmodverdir $(objtree)/Module.symvers $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@) modules: $(module-dirs) |
fd54f5028 kbuild: use KECHO... |
1271 |
@$(kecho) ' Building modules, stage 2.'; |
b805aa0e7 kbuild: make -rR ... |
1272 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
1da177e4c Linux-2.6.12-rc2 |
1273 |
|
4f1933620 kbuild: change kb... |
1274 |
PHONY += modules_install |
a67dc21a3 kbuild: run depmo... |
1275 |
modules_install: _emodinst_ _emodinst_post |
e63046630 kbuild: remove a ... |
1276 |
|
4f1933620 kbuild: change kb... |
1277 1278 |
install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra) PHONY += _emodinst_ |
a67dc21a3 kbuild: run depmo... |
1279 |
_emodinst_: |
a67dc21a3 kbuild: run depmo... |
1280 |
$(Q)mkdir -p $(MODLIB)/$(install-dir) |
b805aa0e7 kbuild: make -rR ... |
1281 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
1282 |
|
4f1933620 kbuild: change kb... |
1283 |
PHONY += _emodinst_post |
a67dc21a3 kbuild: run depmo... |
1284 1285 |
_emodinst_post: _emodinst_ $(call cmd,depmod) |
1da177e4c Linux-2.6.12-rc2 |
1286 |
clean-dirs := $(addprefix _clean_,$(KBUILD_EXTMOD)) |
4f1933620 kbuild: change kb... |
1287 |
PHONY += $(clean-dirs) clean |
1da177e4c Linux-2.6.12-rc2 |
1288 1289 1290 1291 |
$(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) clean: rm-dirs := $(MODVERDIR) |
0c56042ad kbuild: clean Mod... |
1292 |
clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers \ |
bc081dd6e kbuild: generate ... |
1293 1294 |
$(KBUILD_EXTMOD)/modules.order \ $(KBUILD_EXTMOD)/modules.builtin |
1da177e4c Linux-2.6.12-rc2 |
1295 1296 |
clean: $(clean-dirs) $(call cmd,rmdirs) |
c34114f4a kbuild: clean Mod... |
1297 |
$(call cmd,rmfiles) |
1da177e4c Linux-2.6.12-rc2 |
1298 |
@find $(KBUILD_EXTMOD) $(RCS_FIND_IGNORE) \ |
070b98bfd kbuild: trivial f... |
1299 |
\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ |
2521f2c22 gcov: add gcov pr... |
1300 1301 |
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ -o -name '*.gcno' \) -type f -print | xargs rm -f |
1da177e4c Linux-2.6.12-rc2 |
1302 1303 1304 1305 1306 1307 1308 1309 1310 |
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... |
1311 1312 |
# Dummies... |
4f1933620 kbuild: change kb... |
1313 |
PHONY += prepare scripts |
06300b21f kbuild: support b... |
1314 1315 |
prepare: ; scripts: ; |
1da177e4c Linux-2.6.12-rc2 |
1316 1317 1318 1319 |
endif # KBUILD_EXTMOD # Generate tags for editors # --------------------------------------------------------------------------- |
a680eedc6 tags and cscope s... |
1320 1321 |
quiet_cmd_tags = GEN $@ cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@ |
1da177e4c Linux-2.6.12-rc2 |
1322 |
|
a680eedc6 tags and cscope s... |
1323 |
tags TAGS cscope: FORCE |
1da177e4c Linux-2.6.12-rc2 |
1324 |
$(call cmd,tags) |
1da177e4c Linux-2.6.12-rc2 |
1325 1326 |
# Scripts to check various things for consistency # --------------------------------------------------------------------------- |
1da177e4c Linux-2.6.12-rc2 |
1327 1328 1329 |
includecheck: find * $(RCS_FIND_IGNORE) \ -name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1330 |
| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl |
1da177e4c Linux-2.6.12-rc2 |
1331 1332 1333 1334 |
versioncheck: find * $(RCS_FIND_IGNORE) \ -name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1335 |
| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl |
1da177e4c Linux-2.6.12-rc2 |
1336 |
|
74425eee7 Add a target to u... |
1337 1338 |
coccicheck: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ |
1da177e4c Linux-2.6.12-rc2 |
1339 1340 |
namespacecheck: $(PERL) $(srctree)/scripts/namespace.pl |
295ac0518 kbuild: call expo... |
1341 1342 |
export_report: $(PERL) $(srctree)/scripts/export_report.pl |
1da177e4c Linux-2.6.12-rc2 |
1343 1344 |
endif #ifeq ($(config-targets),1) endif #ifeq ($(mixed-targets),1) |
c30a02e02 kbuild: `make ker... |
1345 |
PHONY += checkstack kernelrelease kernelversion |
e3ccf6e36 [PATCH] uml: add ... |
1346 |
|
011e3a9ad [PATCH] Fix cross... |
1347 1348 1349 1350 1351 1352 1353 1354 1355 |
# 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 |
1356 1357 |
checkstack: $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \ |
011e3a9ad [PATCH] Fix cross... |
1358 |
$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH) |
1da177e4c Linux-2.6.12-rc2 |
1359 |
|
7b8ea53d7 makefile: not nee... |
1360 1361 |
kernelrelease: @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" |
01ab17887 Makefile: "make k... |
1362 |
|
cb58455c4 kbuild: KERNELREL... |
1363 |
kernelversion: |
2244cbd8a kbuild: create .k... |
1364 |
@echo $(KERNELVERSION) |
1da177e4c Linux-2.6.12-rc2 |
1365 |
|
06300b21f kbuild: support b... |
1366 1367 |
# Single targets # --------------------------------------------------------------------------- |
bc2546a67 kbuild: fix build... |
1368 |
# Single targets are compatible with: |
e1b8513d2 Typoes: "whith" ... |
1369 |
# - build with mixed source and output |
bc2546a67 kbuild: fix build... |
1370 1371 1372 1373 1374 1375 1376 |
# - build with separate output dir 'make O=...' # - external modules # # target-dir => where to store outputfile # build-dir => directory in kernel source tree to use ifeq ($(KBUILD_EXTMOD),) |
aa360879e kbuild: fix make ... |
1377 |
build-dir = $(patsubst %/,%,$(dir $@)) |
bc2546a67 kbuild: fix build... |
1378 1379 1380 1381 1382 1383 |
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 ... |
1384 |
%.s: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1385 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1386 |
%.i: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1387 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1388 |
%.o: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1389 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1390 |
%.lst: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1391 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1392 |
%.s: %.S prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1393 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1394 |
%.o: %.S prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1395 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
15fde6751 kbuild: support f... |
1396 1397 |
%.symtypes: %.c prepare scripts FORCE $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
06300b21f kbuild: support b... |
1398 |
|
bc2546a67 kbuild: fix build... |
1399 |
# Modules |
31110ebbe kbuild: fix make ... |
1400 1401 1402 1403 1404 |
/: prepare scripts FORCE $(cmd_crmodverdir) $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ $(build)=$(build-dir) %/: prepare scripts FORCE |
7bb9d092d kbuild: fix first... |
1405 |
$(cmd_crmodverdir) |
06300b21f kbuild: support b... |
1406 |
$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ |
bc2546a67 kbuild: fix build... |
1407 1408 |
$(build)=$(build-dir) %.ko: prepare scripts FORCE |
7bb9d092d kbuild: fix first... |
1409 |
$(cmd_crmodverdir) |
06300b21f kbuild: support b... |
1410 |
$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ |
bc2546a67 kbuild: fix build... |
1411 |
$(build)=$(build-dir) $(@:.ko=.o) |
b805aa0e7 kbuild: make -rR ... |
1412 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
06300b21f kbuild: support b... |
1413 |
|
1da177e4c Linux-2.6.12-rc2 |
1414 1415 1416 1417 1418 1419 1420 1421 |
# FIXME Should go into a make.lib or something # =========================================================================== 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" -> ... |
1422 |
# Run depmod only if we have System.map and depmod is executable |
50a8ec31c kbuild: disable d... |
1423 1424 |
quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) cmd_depmod = \ |
d8d2e78a0 kbuild: allow dep... |
1425 |
if [ -r System.map -a -x $(DEPMOD) ]; then \ |
50a8ec31c kbuild: disable d... |
1426 |
$(DEPMOD) -ae -F System.map \ |
75bccd881 kbuild: remove un... |
1427 |
$(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) ) \ |
50a8ec31c kbuild: disable d... |
1428 1429 |
$(KERNELRELEASE); \ fi |
7bb9d092d kbuild: fix first... |
1430 |
# Create temporary dir for module support files |
ab19f8794 kbuild: fix modul... |
1431 1432 1433 |
# clean it up only when building all modules cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \ $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*) |
1da177e4c Linux-2.6.12-rc2 |
1434 |
|
222d394d3 kbuild: enable 'm... |
1435 |
a_flags = -Wp,-MD,$(depfile) $(KBUILD_AFLAGS) $(AFLAGS_KERNEL) \ |
80c00ba94 kbuild: allow ass... |
1436 |
$(KBUILD_AFLAGS_KERNEL) \ |
d8672b40d kbuild: expand -I... |
1437 |
$(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(KBUILD_CPPFLAGS) \ |
5e8d780d7 kbuild: fix ia64 ... |
1438 |
$(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o) |
1da177e4c Linux-2.6.12-rc2 |
1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 |
quiet_cmd_as_o_S = AS $@ cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $< # read all saved command lines targets := $(wildcard $(sort $(targets))) cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) ifneq ($(cmd_files),) $(cmd_files): ; # Do not try to update included dependency files include $(cmd_files) endif |
1da177e4c Linux-2.6.12-rc2 |
1452 1453 1454 1455 |
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir # Usage: # $(Q)$(MAKE) $(clean)=dir clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj |
1da177e4c Linux-2.6.12-rc2 |
1456 |
endif # skip-makefile |
4f1933620 kbuild: change kb... |
1457 |
PHONY += FORCE |
1da177e4c Linux-2.6.12-rc2 |
1458 |
FORCE: |
4f1933620 kbuild: change kb... |
1459 |
|
4f1933620 kbuild: change kb... |
1460 |
# Declare the contents of the .PHONY variable as phony. We keep that |
fe8d0a410 kbuild: fix a few... |
1461 |
# information in a variable so we can use it in if_changed and friends. |
4f1933620 kbuild: change kb... |
1462 |
.PHONY: $(PHONY) |