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Makefile
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55922c9d1 Linux 3.0-rc1 |
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VERSION = 3 |
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PATCHLEVEL = 15 |
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SUBLEVEL = 0 |
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EXTRAVERSION = -rc1 |
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NAME = Shuffling Zombie Juror |
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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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|
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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 # 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 := $(O) |
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endif |
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ifeq ("$(origin W)", "command line") |
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export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) |
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endif |
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# 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) |
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KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ && /bin/pwd) |
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$(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, $(MAKECMDGOALS)) _all: sub-make |
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@: |
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sub-make: FORCE |
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$(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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|
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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. |
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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/ ) |
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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 := $(ARCH) |
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# Additional ARCH settings for x86 ifeq ($(ARCH),i386) SRCARCH := x86 endif ifeq ($(ARCH),x86_64) SRCARCH := x86 endif |
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|
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# Additional ARCH settings for sparc |
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ifeq ($(ARCH),sparc32) SRCARCH := sparc endif |
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ifeq ($(ARCH),sparc64) |
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SRCARCH := sparc |
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endif |
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|
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# Additional ARCH settings for sh ifeq ($(ARCH),sh64) SRCARCH := sh endif |
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# Additional ARCH settings for tile |
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ifeq ($(ARCH),tilepro) SRCARCH := tile endif |
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ifeq ($(ARCH),tilegx) SRCARCH := tile endif |
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# Where to locate arch specific headers hdr-arch := $(SRCARCH) |
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KCONFIG_CONFIG ?= .config |
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export KCONFIG_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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|
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ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \ -Wno-missing-field-initializers -fno-delete-null-pointer-checks endif |
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# Decide whether to build built-in, modular, or both. # Normally, just do built-in. |
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KBUILD_MODULES := KBUILD_BUILTIN := 1 # If we have only "make modules", don't compile built-in objects. # When we're building modules with modversions, we need to consider # the built-in objects during the descend as well, in order to |
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# make sure the checksums are up to date before we record them. |
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ifeq ($(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 |
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ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) quiet=silent_ endif else # make-3.8x |
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ifneq ($(filter s% -s%,$(MAKEFLAGS)),) |
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quiet=silent_ endif |
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endif |
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export quiet Q KBUILD_VERBOSE |
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ifneq ($(CC),) ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1) COMPILER := clang else COMPILER := gcc endif export COMPILER endif |
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# Look for make include files relative to root of kernel src MAKEFLAGS += --include-dir=$(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 |
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PERL = perl CHECK = sparse |
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CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ -Wbitwise -Wno-return-void $(CF) |
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CFLAGS_MODULE = AFLAGS_MODULE = LDFLAGS_MODULE = |
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CFLAGS_KERNEL = AFLAGS_KERNEL = |
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CFLAGS_GCOV = -fprofile-arcs -ftest-coverage |
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|
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# Use USERINCLUDE when you must reference the UAPI directories only. USERINCLUDE := \ -I$(srctree)/arch/$(hdr-arch)/include/uapi \ -Iarch/$(hdr-arch)/include/generated/uapi \ -I$(srctree)/include/uapi \ -Iinclude/generated/uapi \ -include $(srctree)/include/linux/kconfig.h |
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# Use LINUXINCLUDE when you must reference the include/ directory. # Needed to be compatible with the O= option |
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LINUXINCLUDE := \ -I$(srctree)/arch/$(hdr-arch)/include \ -Iarch/$(hdr-arch)/include/generated \ $(if $(KBUILD_SRC), -I$(srctree)/include) \ -Iinclude \ $(USERINCLUDE) |
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KBUILD_CPPFLAGS := -D__KERNEL__ |
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KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ |
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-fno-strict-aliasing -fno-common \ |
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-Werror-implicit-function-declaration \ |
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-Wno-format-security \ |
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$(call cc-option,-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 = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(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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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 |
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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),) |
929799973 kbuild: create th... |
429 |
$(Q)ln -fsn $(srctree) source |
fd5f0cd6b kbuild: Do not ov... |
430 431 432 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) endif |
1da177e4c Linux-2.6.12-rc2 |
433 |
|
d8ecc5cd8 kbuild: asm-gener... |
434 435 436 437 |
# Support for using generic headers in asm-generic PHONY += asm-generic asm-generic: $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \ |
3c5994c83 uapi: Allow autom... |
438 439 440 |
src=asm obj=arch/$(SRCARCH)/include/generated/asm $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \ src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm |
d8ecc5cd8 kbuild: asm-gener... |
441 |
|
1da177e4c Linux-2.6.12-rc2 |
442 443 444 445 |
# 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. |
070b98bfd kbuild: trivial f... |
446 |
# For example 'make oldconfig all'. |
1da177e4c Linux-2.6.12-rc2 |
447 448 |
# Detect when mixed targets is specified, and make a second invocation # of make so .config is not included in this case either (for *config). |
10b63956f UAPI: Plumb the U... |
449 |
version_h := include/generated/uapi/linux/version.h |
d183e6f57 UAPI: Move linux/... |
450 |
|
3eb3c740f [PATCH] fix linux... |
451 |
no-dot-config-targets := clean mrproper distclean \ |
f4ed1009f kbuild: add GNU G... |
452 |
cscope gtags TAGS tags help %docs check% coccicheck \ |
d183e6f57 UAPI: Move linux/... |
453 |
$(version_h) headers_% archheaders archscripts \ |
4aed2fd8e Merge branch 'per... |
454 |
kernelversion %src-pkg |
1da177e4c Linux-2.6.12-rc2 |
455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 |
config-targets := 0 mixed-targets := 0 dot-config := 1 ifneq ($(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' |
74b469f2e x86: move i386 an... |
492 |
include $(srctree)/arch/$(SRCARCH)/Makefile |
61bee2044 x86, um: get rid ... |
493 |
export KBUILD_DEFCONFIG KBUILD_KCONFIG |
1da177e4c Linux-2.6.12-rc2 |
494 |
|
31110ebbe kbuild: fix make ... |
495 496 497 498 499 |
config: scripts_basic outputmakefile FORCE $(Q)mkdir -p include/linux include/config $(Q)$(MAKE) $(build)=scripts/kconfig $@ %config: scripts_basic outputmakefile FORCE |
c955ccafc kconfig: fix .con... |
500 |
$(Q)mkdir -p include/linux include/config |
1da177e4c Linux-2.6.12-rc2 |
501 502 503 504 505 506 507 508 509 510 |
$(Q)$(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... |
511 |
# in parallel |
4f1933620 kbuild: change kb... |
512 |
PHONY += scripts |
a54292f58 kbuild: generate ... |
513 514 |
scripts: scripts_basic include/config/auto.conf include/config/tristate.conf \ asm-generic |
1da177e4c Linux-2.6.12-rc2 |
515 |
$(Q)$(MAKE) $(build)=$(@) |
1da177e4c Linux-2.6.12-rc2 |
516 517 |
# Objects we will link into vmlinux / subdirs we need to visit init-y := init/ |
4d2acfbfd firmware: Add CON... |
518 |
drivers-y := drivers/ sound/ firmware/ |
1da177e4c Linux-2.6.12-rc2 |
519 520 521 522 523 524 |
net-y := net/ libs-y := lib/ core-y := usr/ endif # KBUILD_EXTMOD ifeq ($(dot-config),1) |
9ee4e3365 kbuild: external ... |
525 526 |
# Read in config -include include/config/auto.conf |
1da177e4c Linux-2.6.12-rc2 |
527 |
|
9ee4e3365 kbuild: external ... |
528 |
ifeq ($(KBUILD_EXTMOD),) |
1da177e4c Linux-2.6.12-rc2 |
529 530 |
# Read in dependencies to all Kconfig* files, make sure to run # oldconfig if changes are detected. |
c955ccafc kconfig: fix .con... |
531 |
-include include/config/auto.conf.cmd |
1da177e4c Linux-2.6.12-rc2 |
532 |
|
1da177e4c Linux-2.6.12-rc2 |
533 |
# To avoid any implicit rule to kick in, define an empty command |
14cdd3c40 kconfig: KCONFIG_... |
534 |
$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; |
1da177e4c Linux-2.6.12-rc2 |
535 |
|
c955ccafc kconfig: fix .con... |
536 |
# If .config is newer than include/config/auto.conf, someone tinkered |
752625cff kbuild: always ru... |
537 |
# with it and forgot to run make oldconfig. |
070b98bfd kbuild: trivial f... |
538 |
# if auto.conf.cmd is missing then we are probably in a cleaned tree so |
752625cff kbuild: always ru... |
539 |
# we execute the config step to be sure to catch updated Kconfig files |
bc081dd6e kbuild: generate ... |
540 |
include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd |
1da177e4c Linux-2.6.12-rc2 |
541 542 |
$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig else |
264a26838 kbuild: move auto... |
543 |
# external modules needs include/generated/autoconf.h and include/config/auto.conf |
9ee4e3365 kbuild: external ... |
544 545 546 547 |
# 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... |
548 |
$(Q)test -e include/generated/autoconf.h -a -e $@ || ( \ |
5369f5502 kbuild: Print err... |
549 550 551 552 553 |
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 ... |
554 555 556 |
/bin/false) endif # KBUILD_EXTMOD |
c955ccafc kconfig: fix .con... |
557 |
|
1da177e4c Linux-2.6.12-rc2 |
558 559 |
else # Dummy target needed, because used as prerequisite |
c955ccafc kconfig: fix .con... |
560 |
include/config/auto.conf: ; |
9ee4e3365 kbuild: external ... |
561 |
endif # $(dot-config) |
1da177e4c Linux-2.6.12-rc2 |
562 563 564 565 |
# 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... |
566 |
# Defaults to vmlinux, but the arch makefile usually adds further targets |
1da177e4c Linux-2.6.12-rc2 |
567 568 569 |
all: vmlinux ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE |
e74fc973b Turn off -Wmaybe-... |
570 |
KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,) |
1da177e4c Linux-2.6.12-rc2 |
571 |
else |
a0f97e06a kbuild: enable 'm... |
572 |
KBUILD_CFLAGS += -O2 |
1da177e4c Linux-2.6.12-rc2 |
573 |
endif |
a1f42beb8 Makefile: fix up ... |
574 |
include $(srctree)/arch/$(SRCARCH)/Makefile |
1873e870f debug: Add CONFIG... |
575 576 577 578 579 580 581 582 583 |
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,) \ $(call cc-option,-fno-partial-inlining) endif |
08f67461c kbuild: fix detec... |
584 |
ifneq ($(CONFIG_FRAME_WARN),0) |
35bb5b1e0 Add option to ena... |
585 586 |
KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN}) endif |
19952a920 stackprotector: U... |
587 |
# Handle stack protector mode. |
8779657d2 stackprotector: I... |
588 |
ifdef CONFIG_CC_STACKPROTECTOR_REGULAR |
19952a920 stackprotector: U... |
589 590 |
stackp-flag := -fstack-protector ifeq ($(call cc-option, $(stackp-flag)),) |
6c15b327c Makefile: fix bui... |
591 |
$(warning Cannot use CONFIG_CC_STACKPROTECTOR_REGULAR: \ |
27b2a49a1 Makefile: fix ext... |
592 |
-fstack-protector not supported by compiler) |
19952a920 stackprotector: U... |
593 |
endif |
6c15b327c Makefile: fix bui... |
594 595 |
else ifdef CONFIG_CC_STACKPROTECTOR_STRONG |
8779657d2 stackprotector: I... |
596 597 598 599 600 |
stackp-flag := -fstack-protector-strong ifeq ($(call cc-option, $(stackp-flag)),) $(warning Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: \ -fstack-protector-strong not supported by compiler) endif |
19952a920 stackprotector: U... |
601 602 603 |
else # Force off for distro compilers that enable stack protector by default. stackp-flag := $(call cc-option, -fno-stack-protector) |
5d707e9c8 stackprotector: u... |
604 |
endif |
6c15b327c Makefile: fix bui... |
605 |
endif |
19952a920 stackprotector: U... |
606 |
KBUILD_CFLAGS += $(stackp-flag) |
e06b8b98d kbuild: allow -fs... |
607 |
|
61163efae kbuild: LLVMLinux... |
608 609 610 611 612 613 614 615 616 617 618 619 620 |
ifeq ($(COMPILER),clang) KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,) KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable) KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) KBUILD_CFLAGS += $(call cc-disable-warning, gnu) # 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,) else |
af0e5d565 kbuild: Disable -... |
621 622 |
# This warning generated too much noise in a regular build. # Use make W=1 to enable this warning (see scripts/Makefile.build) |
8417da6f2 kbuild: Fix passi... |
623 |
KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) |
61163efae kbuild: LLVMLinux... |
624 |
endif |
af0e5d565 kbuild: Disable -... |
625 |
|
1da177e4c Linux-2.6.12-rc2 |
626 |
ifdef CONFIG_FRAME_POINTER |
a0f97e06a kbuild: enable 'm... |
627 |
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls |
1da177e4c Linux-2.6.12-rc2 |
628 |
else |
7e9501fde ARM: 6312/1: ftra... |
629 630 631 632 633 634 |
# 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... |
635 |
KBUILD_CFLAGS += -fomit-frame-pointer |
1da177e4c Linux-2.6.12-rc2 |
636 |
endif |
7e9501fde ARM: 6312/1: ftra... |
637 |
endif |
1da177e4c Linux-2.6.12-rc2 |
638 639 |
ifdef CONFIG_DEBUG_INFO |
a0f97e06a kbuild: enable 'm... |
640 |
KBUILD_CFLAGS += -g |
7db436325 kbuild: Fix debug... |
641 |
KBUILD_AFLAGS += -Wa,--gdwarf-2 |
1da177e4c Linux-2.6.12-rc2 |
642 |
endif |
d6f4ceb79 Kbuild: Add optio... |
643 |
ifdef CONFIG_DEBUG_INFO_REDUCED |
e82c4bb8b Kbuild: Disable v... |
644 645 |
KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) \ $(call cc-option,-fno-var-tracking) |
d6f4ceb79 Kbuild: Add optio... |
646 |
endif |
606576ce8 ftrace: rename FT... |
647 |
ifdef CONFIG_FUNCTION_TRACER |
a2546fae0 ftrace: Add -mfen... |
648 649 650 651 652 |
ifdef CONFIG_HAVE_FENTRY CC_USING_FENTRY := $(call cc-option, -mfentry -DCC_USING_FENTRY) endif KBUILD_CFLAGS += -pg $(CC_USING_FENTRY) KBUILD_AFLAGS += $(CC_USING_FENTRY) |
72441cb1f ftrace/x86: Add s... |
653 |
ifdef CONFIG_DYNAMIC_FTRACE |
cf4db2597 ftrace: Rename co... |
654 |
ifdef CONFIG_HAVE_C_RECORDMCOUNT |
72441cb1f ftrace/x86: Add s... |
655 656 657 658 |
BUILD_C_RECORDMCOUNT := y export BUILD_C_RECORDMCOUNT endif endif |
16444a8a4 ftrace: add basic... |
659 |
endif |
91341d4b2 kbuild: introduce... |
660 661 662 663 |
# 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... |
664 |
# arch Makefile may override CC so keep this after arch Makefile is included |
e8f5bdb02 [PATCH] Makefile ... |
665 |
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) |
e8e699317 [PATCH] kbuild: S... |
666 |
CHECKFLAGS += $(NOSTDINC_FLAGS) |
1da177e4c Linux-2.6.12-rc2 |
667 |
# warn about C99 declaration after statement |
a0f97e06a kbuild: enable 'm... |
668 |
KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) |
1da177e4c Linux-2.6.12-rc2 |
669 |
|
070b98bfd kbuild: trivial f... |
670 |
# disable pointer signed / unsigned warnings in gcc 4.0 |
8417da6f2 kbuild: Fix passi... |
671 |
KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign) |
1da177e4c Linux-2.6.12-rc2 |
672 |
|
fe8d0a410 kbuild: fix a few... |
673 |
# disable invalid "can't wrap" optimizations for signed / pointers |
a137802ee Don't use '-fwrap... |
674 |
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) |
d0115552c Move cc-option to... |
675 |
|
8f7f5c9fc kbuild: set -fcon... |
676 677 |
# conserve stack if available KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) |
809704721 Makefile: enable ... |
678 679 680 681 682 |
# 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... |
683 684 |
# Prohibit date/time macros, which would make the build non-deterministic KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) |
40df759e2 kbuild: Fix build... |
685 686 |
# use the deterministic mode of AR if available KBUILD_ARFLAGS := $(call ar-option,D) |
bf5438fca jump label: Base ... |
687 688 689 690 |
# check for 'asm goto' ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y) KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO endif |
06c5040cd kbuild: enable 'm... |
691 |
# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments |
70cfe0268 kbuild: Remove us... |
692 693 694 |
KBUILD_CPPFLAGS += $(KCPPFLAGS) KBUILD_AFLAGS += $(KAFLAGS) KBUILD_CFLAGS += $(KCFLAGS) |
52bcc3308 kbuild: enable us... |
695 |
|
18991197b Use --build-id ld... |
696 697 |
# Use --build-id when available. LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\ |
f86fd3066 kbuild: rename ld... |
698 |
$(call cc-ldoption, -Wl$(comma)--build-id,)) |
6588169d5 kbuild: allow ass... |
699 |
KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID) |
18991197b Use --build-id ld... |
700 |
LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID) |
5d7d18f5b kbuild: make it p... |
701 |
ifeq ($(CONFIG_STRIP_ASM_SYMS),y) |
d79a27195 kbuild: Check if ... |
702 |
LDFLAGS_vmlinux += $(call ld-option, -X,) |
5d7d18f5b kbuild: make it p... |
703 |
endif |
1da177e4c Linux-2.6.12-rc2 |
704 |
# Default kernel image to build when no specific target is given. |
070b98bfd kbuild: trivial f... |
705 |
# KBUILD_IMAGE may be overruled on the command line or |
1da177e4c Linux-2.6.12-rc2 |
706 707 708 709 710 711 712 713 714 715 716 |
# set in the environment # Also any assignments in arch/$(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... |
717 718 719 720 721 722 723 |
# 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 |
724 725 |
# 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... |
726 |
# makefile but the argument can be passed to make if needed. |
1da177e4c Linux-2.6.12-rc2 |
727 |
# |
df9df036d kbuild: fix 'make... |
728 |
MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) |
1da177e4c Linux-2.6.12-rc2 |
729 |
export MODLIB |
ac031f26e kbuild: add optio... |
730 |
# |
2ea038917 Revert "kbuild: s... |
731 732 733 |
# 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, |
177b241d0 kbuild, mtd, net:... |
734 |
# INSTALL_MOD_STRIP value will be used as the options to the strip command. |
2ea038917 Revert "kbuild: s... |
735 |
|
ac031f26e kbuild: add optio... |
736 737 |
ifdef INSTALL_MOD_STRIP ifeq ($(INSTALL_MOD_STRIP),1) |
2ea038917 Revert "kbuild: s... |
738 |
mod_strip_cmd = $(STRIP) --strip-debug |
ac031f26e kbuild: add optio... |
739 |
else |
2ea038917 Revert "kbuild: s... |
740 |
mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP) |
ac031f26e kbuild: add optio... |
741 742 |
endif # INSTALL_MOD_STRIP=1 else |
2ea038917 Revert "kbuild: s... |
743 |
mod_strip_cmd = true |
ac031f26e kbuild: add optio... |
744 745 |
endif # INSTALL_MOD_STRIP export mod_strip_cmd |
1bf49dd4b ./Makefile: expor... |
746 747 748 |
# Select initial ramdisk compression format, default is gzip(1). # This shall be used by the dracut(8) tool while creating an initramfs image. # |
7ac181568 fix build with ma... |
749 750 751 752 753 754 |
INITRD_COMPRESS-y := gzip INITRD_COMPRESS-$(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... |
755 756 757 |
# 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 |
758 |
|
d9d8d7ed4 MODSIGN: Add opti... |
759 |
ifdef CONFIG_MODULE_SIG_ALL |
e2a666d52 kbuild: sign the ... |
760 761 762 |
MODSECKEY = ./signing_key.priv MODPUBKEY = ./signing_key.x509 export MODPUBKEY |
4bc9410c0 MODSIGN: Specify ... |
763 |
mod_sign_cmd = perl $(srctree)/scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(MODSECKEY) $(MODPUBKEY) |
e2a666d52 kbuild: sign the ... |
764 765 766 767 |
else mod_sign_cmd = true endif export mod_sign_cmd |
1da177e4c Linux-2.6.12-rc2 |
768 |
ifeq ($(KBUILD_EXTMOD),) |
3a65dfe8c [BLOCK] Move all ... |
769 |
core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ |
1da177e4c Linux-2.6.12-rc2 |
770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 |
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) |
1f2bfbd00 kbuild: link of v... |
787 |
# Externally visible symbols (used by link-vmlinux.sh) |
956985705 kbuild: refactor ... |
788 789 790 |
export KBUILD_VMLINUX_INIT := $(head-y) $(init-y) export KBUILD_VMLINUX_MAIN := $(core-y) $(libs-y) $(drivers-y) $(net-y) export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds |
1f2bfbd00 kbuild: link of v... |
791 |
export LDFLAGS_vmlinux |
6615d6c32 rpm-pkg: Do not p... |
792 793 |
# used by scripts/pacmage/Makefile export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) arch Documentation include samples scripts tools virt) |
9bb482476 allow stripping o... |
794 |
|
1f2bfbd00 kbuild: link of v... |
795 |
vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_INIT) $(KBUILD_VMLINUX_MAIN) |
1da177e4c Linux-2.6.12-rc2 |
796 |
|
1f2bfbd00 kbuild: link of v... |
797 798 799 |
# Final link of vmlinux cmd_link-vmlinux = $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) quiet_cmd_link-vmlinux = LINK $@ |
1da177e4c Linux-2.6.12-rc2 |
800 |
|
1f2bfbd00 kbuild: link of v... |
801 802 803 |
# Include targets which we want to # execute if the rest of the kernel build went well. vmlinux: scripts/link-vmlinux.sh $(vmlinux-deps) FORCE |
0f836e5fe [PATCH] Add CONFI... |
804 |
ifdef CONFIG_HEADERS_CHECK |
0e7af8d04 [PATCH] Fix heade... |
805 |
$(Q)$(MAKE) -f $(srctree)/Makefile headers_check |
0f836e5fe [PATCH] Add CONFI... |
806 |
endif |
267c4025f markers: Add samp... |
807 808 809 |
ifdef CONFIG_SAMPLES $(Q)$(MAKE) $(build)=samples endif |
3794f3e81 docsrc: build Doc... |
810 811 812 |
ifdef CONFIG_BUILD_DOCSRC $(Q)$(MAKE) $(build)=Documentation endif |
1f2bfbd00 kbuild: link of v... |
813 |
+$(call if_changed,link-vmlinux) |
741f98fe2 kbuild: do sectio... |
814 |
|
1da177e4c Linux-2.6.12-rc2 |
815 816 |
# The actual objects are generated when descending, # make sure no implicit rule kicks in |
1f2bfbd00 kbuild: link of v... |
817 |
$(sort $(vmlinux-deps)): $(vmlinux-dirs) ; |
1da177e4c Linux-2.6.12-rc2 |
818 819 820 821 822 823 |
# 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... |
824 |
PHONY += $(vmlinux-dirs) |
5bb782690 kbuild: rename pr... |
825 |
$(vmlinux-dirs): prepare scripts |
1da177e4c Linux-2.6.12-rc2 |
826 |
$(Q)$(MAKE) $(build)=$@ |
0d0e7718a kbuild: Do not ov... |
827 828 829 |
define filechk_kernel.release echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" endef |
83a35e360 treewide: relase ... |
830 |
# Store (new) KERNELRELEASE string in include/config/kernel.release |
f1d28fb04 kconfig: move .ke... |
831 |
include/config/kernel.release: include/config/auto.conf FORCE |
0d0e7718a kbuild: Do not ov... |
832 |
$(call filechk,kernel.release) |
cb58455c4 kbuild: KERNELREL... |
833 |
|
1da177e4c Linux-2.6.12-rc2 |
834 |
# Things we need to do before we recursively start building the kernel |
5bb782690 kbuild: rename pr... |
835 836 837 838 |
# 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 |
839 |
|
5bb782690 kbuild: rename pr... |
840 |
# Listed in dependency order |
4f1933620 kbuild: change kb... |
841 |
PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 |
5bb782690 kbuild: rename pr... |
842 |
|
86feeaa81 kbuild: full depe... |
843 |
# prepare3 is used to check if we are building in a separate output directory, |
1da177e4c Linux-2.6.12-rc2 |
844 845 |
# and if so do: # 1) Check that make has not been executed in the kernel src $(srctree) |
f1d28fb04 kconfig: move .ke... |
846 |
prepare3: include/config/kernel.release |
1da177e4c Linux-2.6.12-rc2 |
847 |
ifneq ($(KBUILD_SRC),) |
fd54f5028 kbuild: use KECHO... |
848 |
@$(kecho) ' Using $(srctree) as source for kernel' |
c955ccafc kconfig: fix .con... |
849 |
$(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ |
5369f5502 kbuild: Print err... |
850 851 |
echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ echo >&2 " in the '$(srctree)' directory.";\ |
1da177e4c Linux-2.6.12-rc2 |
852 853 |
/bin/false; \ fi; |
1da177e4c Linux-2.6.12-rc2 |
854 |
endif |
86feeaa81 kbuild: full depe... |
855 |
# prepare2 creates a makefile if using a separate output directory |
d8ecc5cd8 kbuild: asm-gener... |
856 |
prepare2: prepare3 outputmakefile asm-generic |
1da177e4c Linux-2.6.12-rc2 |
857 |
|
d183e6f57 UAPI: Move linux/... |
858 |
prepare1: prepare2 $(version_h) include/generated/utsrelease.h \ |
f7f16b779 kbuild: drop incl... |
859 |
include/config/auto.conf |
7bb9d092d kbuild: fix first... |
860 |
$(cmd_crmodverdir) |
1da177e4c Linux-2.6.12-rc2 |
861 |
|
6520fe556 x86, realmode: 16... |
862 |
archprepare: archheaders archscripts prepare1 scripts_basic |
5bb782690 kbuild: rename pr... |
863 864 |
prepare0: archprepare FORCE |
8d36a6236 kbuild: fix gener... |
865 |
$(Q)$(MAKE) $(build)=. |
86feeaa81 kbuild: full depe... |
866 |
|
1da177e4c Linux-2.6.12-rc2 |
867 |
# All the preparing.. |
d395efb54 [PATCH] Kbuild: R... |
868 |
prepare: prepare0 |
1da177e4c Linux-2.6.12-rc2 |
869 |
|
1da177e4c Linux-2.6.12-rc2 |
870 871 872 873 874 875 876 |
# 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... |
877 878 879 880 881 882 883 |
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 |
884 885 |
define filechk_version.h |
450c6076a Makefile: improve... |
886 887 |
(echo \#define LINUX_VERSION_CODE $(shell \ expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \ |
63104eec2 kbuild: introduce... |
888 |
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';) |
1da177e4c Linux-2.6.12-rc2 |
889 |
endef |
d183e6f57 UAPI: Move linux/... |
890 |
$(version_h): $(srctree)/Makefile FORCE |
1da177e4c Linux-2.6.12-rc2 |
891 |
$(call filechk,version.h) |
273b281fa kbuild: move utsr... |
892 |
include/generated/utsrelease.h: include/config/kernel.release FORCE |
63104eec2 kbuild: introduce... |
893 |
$(call filechk,utsrelease.h) |
179efcb47 kbuild: add heade... |
894 895 |
PHONY += headerdep headerdep: |
9663d9890 kbuild: make head... |
896 897 |
$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \ $(srctree)/scripts/headerdep.pl -I$(srctree)/include |
179efcb47 kbuild: add heade... |
898 |
|
1da177e4c Linux-2.6.12-rc2 |
899 |
# --------------------------------------------------------------------------- |
4f1933620 kbuild: change kb... |
900 |
PHONY += depend dep |
1da177e4c Linux-2.6.12-rc2 |
901 902 903 904 |
depend dep: @echo '*** Warning: make $@ is unnecessary now.' # --------------------------------------------------------------------------- |
88ecf814c firmware: Add fir... |
905 906 907 908 909 910 911 912 913 914 |
# 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... |
915 |
# Kernel headers |
8d730cfb5 Basic implementat... |
916 |
|
e6883b187 kbuild: refactor ... |
917 918 |
#Default location for installed headers export INSTALL_HDR_PATH = $(objtree)/usr |
6d7162758 New 'make headers... |
919 |
|
e6883b187 kbuild: refactor ... |
920 |
hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj |
2fb9b1bd9 kbuild: prepare h... |
921 922 923 |
# 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 ... |
924 |
|
052ad2749 kbuild: Add suppo... |
925 926 |
PHONY += archheaders archheaders: |
6520fe556 x86, realmode: 16... |
927 928 |
PHONY += archscripts archscripts: |
e6883b187 kbuild: refactor ... |
929 |
PHONY += __headers |
d183e6f57 UAPI: Move linux/... |
930 |
__headers: $(version_h) scripts_basic asm-generic archheaders archscripts FORCE |
e1b702cf2 KBuild: silence "... |
931 |
$(Q)$(MAKE) $(build)=scripts build_unifdef |
e6883b187 kbuild: refactor ... |
932 933 |
PHONY += headers_install_all |
2fb9b1bd9 kbuild: prepare h... |
934 935 |
headers_install_all: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install |
6d7162758 New 'make headers... |
936 |
|
8d730cfb5 Basic implementat... |
937 |
PHONY += headers_install |
e6883b187 kbuild: refactor ... |
938 |
headers_install: __headers |
10b63956f UAPI: Plumb the U... |
939 940 941 942 |
$(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/uapi/asm/Kbuild),, \ $(error Headers not exportable for the $(SRCARCH) architecture)) $(Q)$(MAKE) $(hdr-inst)=include/uapi $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi/asm $(hdr-dst) |
8d730cfb5 Basic implementat... |
943 |
|
1f85712e6 [PATCH] new tople... |
944 945 |
PHONY += headers_check_all headers_check_all: headers_install_all |
2fb9b1bd9 kbuild: prepare h... |
946 |
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check |
1f85712e6 [PATCH] new tople... |
947 |
|
684753599 Basic implementat... |
948 949 |
PHONY += headers_check headers_check: headers_install |
10b63956f UAPI: Plumb the U... |
950 951 |
$(Q)$(MAKE) $(hdr-inst)=include/uapi HDRCHECK=1 $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi/asm $(hdr-dst) HDRCHECK=1 |
684753599 Basic implementat... |
952 |
|
8d730cfb5 Basic implementat... |
953 |
# --------------------------------------------------------------------------- |
1da177e4c Linux-2.6.12-rc2 |
954 955 956 |
# Modules ifdef CONFIG_MODULES |
070b98bfd kbuild: trivial f... |
957 |
# By default, build modules as well |
1da177e4c Linux-2.6.12-rc2 |
958 |
|
73d1393eb kbuild: Generate ... |
959 |
all: modules |
1da177e4c Linux-2.6.12-rc2 |
960 961 |
# Build modules |
551559e13 kbuild: implement... |
962 963 964 965 |
# # 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 |
966 |
|
4f1933620 kbuild: change kb... |
967 |
PHONY += modules |
2da30e703 kbuild: Generate ... |
968 |
modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin |
551559e13 kbuild: implement... |
969 |
$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order |
fd54f5028 kbuild: use KECHO... |
970 |
@$(kecho) ' Building modules, stage 2.'; |
b805aa0e7 kbuild: make -rR ... |
971 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
44463f7dd firmware: create ... |
972 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild |
1da177e4c Linux-2.6.12-rc2 |
973 |
|
a6c366324 kbuild: Do not un... |
974 975 |
modules.builtin: $(vmlinux-dirs:%=%/modules.builtin) $(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin |
73d1393eb kbuild: Generate ... |
976 |
%/modules.builtin: include/config/auto.conf |
a6c366324 kbuild: Do not un... |
977 |
$(Q)$(MAKE) $(modbuiltin)=$* |
1da177e4c Linux-2.6.12-rc2 |
978 979 |
# Target to prepare building external modules |
4f1933620 kbuild: change kb... |
980 |
PHONY += modules_prepare |
5bb782690 kbuild: rename pr... |
981 |
modules_prepare: prepare scripts |
1da177e4c Linux-2.6.12-rc2 |
982 983 |
# Target to install modules |
4f1933620 kbuild: change kb... |
984 |
PHONY += modules_install |
1da177e4c Linux-2.6.12-rc2 |
985 |
modules_install: _modinst_ _modinst_post |
4f1933620 kbuild: change kb... |
986 |
PHONY += _modinst_ |
2da30e703 kbuild: Generate ... |
987 |
_modinst_: |
1da177e4c Linux-2.6.12-rc2 |
988 989 990 991 992 993 994 995 |
@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... |
996 |
@cp -f $(objtree)/modules.order $(MODLIB)/ |
bc081dd6e kbuild: generate ... |
997 |
@cp -f $(objtree)/modules.builtin $(MODLIB)/ |
b805aa0e7 kbuild: make -rR ... |
998 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
999 |
|
50a8ec31c kbuild: disable d... |
1000 |
# This depmod is only for convenience to give the initial |
1da177e4c Linux-2.6.12-rc2 |
1001 1002 |
# boot a modules.dep even before / is mounted read-write. However the # boot script depmod is the master version. |
4f1933620 kbuild: change kb... |
1003 |
PHONY += _modinst_post |
6d128e1e7 Revert "Makefile:... |
1004 |
_modinst_post: _modinst_ |
88ecf814c firmware: Add fir... |
1005 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst |
50a8ec31c kbuild: disable d... |
1006 |
$(call cmd,depmod) |
1da177e4c Linux-2.6.12-rc2 |
1007 |
|
d890f510c MODSIGN: Add modu... |
1008 1009 1010 1011 1012 |
ifeq ($(CONFIG_MODULE_SIG), y) PHONY += modules_sign modules_sign: $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modsign endif |
1da177e4c Linux-2.6.12-rc2 |
1013 1014 1015 1016 1017 1018 |
else # CONFIG_MODULES # Modules not configured # --------------------------------------------------------------------------- modules modules_install: FORCE |
5369f5502 kbuild: Print err... |
1019 1020 1021 1022 1023 |
@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 |
1024 1025 1026 |
@exit 1 endif # CONFIG_MODULES |
1da177e4c Linux-2.6.12-rc2 |
1027 1028 1029 1030 1031 1032 1033 1034 1035 |
### # 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) |
1da177e4c Linux-2.6.12-rc2 |
1036 1037 |
# Directories & files removed with 'make mrproper' |
d8ecc5cd8 kbuild: asm-gener... |
1038 |
MRPROPER_DIRS += include/config usr/include include/generated \ |
79192ca8e scripts: objdiff:... |
1039 |
arch/*/include/generated .tmp_objdiff |
d183e6f57 UAPI: Move linux/... |
1040 |
MRPROPER_FILES += .config .config.old .version .old_version $(version_h) \ |
d5b719365 MODSIGN: Make mrp... |
1041 1042 1043 |
Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ signing_key.priv signing_key.x509 x509.genkey \ extra_certificates signing_key.x509.keyid \ |
9c8cdb716 kbuild: unconditi... |
1044 |
signing_key.x509.signer include/linux/version.h |
1da177e4c Linux-2.6.12-rc2 |
1045 1046 1047 1048 1049 |
# clean - Delete most, but leave enough to build external modules # clean: rm-dirs := $(CLEAN_DIRS) clean: rm-files := $(CLEAN_FILES) |
fb68d4be9 kbuild: clean up ... |
1050 |
clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs) Documentation samples) |
1da177e4c Linux-2.6.12-rc2 |
1051 |
|
bd1ee804a kbuild: Do not re... |
1052 |
PHONY += $(clean-dirs) clean archclean vmlinuxclean |
1da177e4c Linux-2.6.12-rc2 |
1053 1054 |
$(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) |
bd1ee804a kbuild: Do not re... |
1055 1056 1057 1058 |
vmlinuxclean: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean clean: archclean vmlinuxclean |
1da177e4c Linux-2.6.12-rc2 |
1059 1060 1061 1062 1063 1064 |
# 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... |
1065 |
PHONY += $(mrproper-dirs) mrproper archmrproper |
1da177e4c Linux-2.6.12-rc2 |
1066 1067 1068 1069 1070 1071 1072 1073 1074 |
$(mrproper-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) mrproper: clean archmrproper $(mrproper-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) # distclean # |
4f1933620 kbuild: change kb... |
1075 |
PHONY += distclean |
1da177e4c Linux-2.6.12-rc2 |
1076 1077 1078 |
distclean: mrproper @find $(srctree) $(RCS_FIND_IGNORE) \ |
070b98bfd kbuild: trivial f... |
1079 |
\( -name '*.orig' -o -name '*.rej' -o -name '*~' \ |
1da177e4c Linux-2.6.12-rc2 |
1080 |
-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ |
a03fcb50e kbuild: remove re... |
1081 |
-o -name '.*.rej' -o -name '*%' -o -name 'core' \) \ |
1da177e4c Linux-2.6.12-rc2 |
1082 1083 1084 1085 1086 1087 1088 |
-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... |
1089 1090 |
%src-pkg: FORCE $(Q)$(MAKE) $(build)=$(package-dir) $@ |
031ecc6de kbuild: add depen... |
1091 |
%pkg: include/config/kernel.release FORCE |
6c2133e11 kbuild: fix make ... |
1092 |
$(Q)$(MAKE) $(build)=$(package-dir) $@ |
031ecc6de kbuild: add depen... |
1093 |
rpm: include/config/kernel.release FORCE |
6c2133e11 kbuild: fix make ... |
1094 |
$(Q)$(MAKE) $(build)=$(package-dir) $@ |
1da177e4c Linux-2.6.12-rc2 |
1095 1096 1097 1098 |
# Brief documentation of the typical targets used # --------------------------------------------------------------------------- |
5dffbe811 kbuild: show defc... |
1099 |
boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig) |
1da177e4c Linux-2.6.12-rc2 |
1100 |
boards := $(notdir $(boards)) |
5dffbe811 kbuild: show defc... |
1101 1102 |
board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig)) board-dirs := $(sort $(notdir $(board-dirs:/=))) |
1da177e4c Linux-2.6.12-rc2 |
1103 1104 1105 |
help: @echo 'Cleaning targets:' |
5ea084ef9 Use consistent ca... |
1106 |
@echo ' clean - Remove most generated files but keep the config and' |
5cc8d246d kbuild: add distc... |
1107 |
@echo ' enough build support to build external modules' |
5ea084ef9 Use consistent ca... |
1108 |
@echo ' mrproper - Remove all generated files + config + various backup files' |
5cc8d246d kbuild: add distc... |
1109 |
@echo ' distclean - mrproper + remove editor backup and patch files' |
1da177e4c Linux-2.6.12-rc2 |
1110 1111 1112 1113 1114 1115 1116 1117 |
@echo '' @echo 'Configuration targets:' @$(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 ... |
1118 |
@echo ' modules_install - Install all modules to INSTALL_MOD_PATH (default: /)' |
88ecf814c firmware: Add fir... |
1119 1120 |
@echo ' firmware_install- Install all firmware to INSTALL_FW_PATH' @echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)' |
1da177e4c Linux-2.6.12-rc2 |
1121 |
@echo ' dir/ - Build all files in dir and below' |
627189797 Makefile: Documen... |
1122 1123 1124 |
@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... |
1125 |
@echo ' dir/file.ko - Build module including final link' |
c4d5ee67c kbuild: "make pre... |
1126 |
@echo ' modules_prepare - Set up for building external modules' |
1da177e4c Linux-2.6.12-rc2 |
1127 1128 |
@echo ' tags/TAGS - Generate tags file for editors' @echo ' cscope - Generate cscope index' |
f4ed1009f kbuild: add GNU G... |
1129 |
@echo ' gtags - Generate GNU GLOBAL index' |
6d1288425 [PATCH] kbuild: a... |
1130 |
@echo ' kernelrelease - Output the release version string' |
cb58455c4 kbuild: KERNELREL... |
1131 |
@echo ' kernelversion - Output the version stored in Makefile' |
c398ff00f kbuild: fix error... |
1132 |
@echo ' image_name - Output the image name' |
2fb9b1bd9 kbuild: prepare h... |
1133 |
@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ |
59df3230f [PATCH] `make hel... |
1134 |
echo ' (default: $(INSTALL_HDR_PATH))'; \ |
2fb9b1bd9 kbuild: prepare h... |
1135 |
echo '' |
1da177e4c Linux-2.6.12-rc2 |
1136 |
@echo 'Static analysers' |
1da177e4c Linux-2.6.12-rc2 |
1137 1138 |
@echo ' checkstack - Generate a list of stack hogs' @echo ' namespacecheck - Name space analysis on compiled kernel' |
aa025e7d5 kbuild: document ... |
1139 |
@echo ' versioncheck - Sanity check on version.h usage' |
ec2d987f9 kbuild: add 'incl... |
1140 |
@echo ' includecheck - Check for duplicate included header files' |
295ac0518 kbuild: call expo... |
1141 |
@echo ' export_report - List the usages of all exported symbols' |
179efcb47 kbuild: add heade... |
1142 |
@echo ' headers_check - Sanity check on exported headers' |
74425eee7 Add a target to u... |
1143 1144 1145 |
@echo ' headerdep - Detect inclusion cycles in headers' @$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help @echo '' |
1da177e4c Linux-2.6.12-rc2 |
1146 |
@echo 'Kernel packaging:' |
6c2133e11 kbuild: fix make ... |
1147 |
@$(MAKE) $(build)=$(package-dir) help |
1da177e4c Linux-2.6.12-rc2 |
1148 1149 1150 1151 |
@echo '' @echo 'Documentation targets:' @$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp @echo '' |
01dee1881 kbuild: fix help ... |
1152 |
@echo 'Architecture specific targets ($(SRCARCH)):' |
1da177e4c Linux-2.6.12-rc2 |
1153 |
@$(if $(archhelp),$(archhelp),\ |
01dee1881 kbuild: fix help ... |
1154 |
echo ' No architecture specific help defined for $(SRCARCH)') |
1da177e4c Linux-2.6.12-rc2 |
1155 1156 1157 1158 1159 1160 |
@echo '' @$(if $(boards), \ $(foreach b, $(boards), \ printf " %-24s - Build for %s\ " $(b) $(subst _defconfig,,$(b));) \ echo '') |
5dffbe811 kbuild: show defc... |
1161 1162 1163 1164 1165 1166 1167 |
@$(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 |
1168 1169 |
@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' |
45d506bd6 kbuild: make V=2 ... |
1170 |
@echo ' make V=2 [targets] 2 => give reason for rebuild of target' |
1da177e4c Linux-2.6.12-rc2 |
1171 |
@echo ' make O=dir [targets] Locate all output files in "dir", including .config' |
701842e3b kbuild: documenta... |
1172 1173 |
@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' |
af07ce3e7 Merge branch 'tip... |
1174 |
@echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' |
28bc20dcc kbuild: implement... |
1175 1176 1177 1178 |
@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 ... |
1179 |
@echo ' Multiple levels can be combined with W=12 or W=123' |
1da177e4c Linux-2.6.12-rc2 |
1180 1181 1182 |
@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... |
1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 |
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 |
1196 1197 1198 |
# Documentation targets # --------------------------------------------------------------------------- %docs: scripts_basic FORCE |
bffd2020a kbuild: move scri... |
1199 |
$(Q)$(MAKE) $(build)=scripts build_docproc |
1da177e4c Linux-2.6.12-rc2 |
1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 |
$(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... |
1218 |
# Install the modules built in the module directory |
1da177e4c Linux-2.6.12-rc2 |
1219 1220 1221 1222 |
# Assumes install directory is already created # We are always building modules KBUILD_MODULES := 1 |
4f1933620 kbuild: change kb... |
1223 |
PHONY += crmodverdir |
1da177e4c Linux-2.6.12-rc2 |
1224 |
crmodverdir: |
7bb9d092d kbuild: fix first... |
1225 |
$(cmd_crmodverdir) |
1da177e4c Linux-2.6.12-rc2 |
1226 |
|
4f1933620 kbuild: change kb... |
1227 |
PHONY += $(objtree)/Module.symvers |
1da177e4c Linux-2.6.12-rc2 |
1228 1229 1230 1231 1232 1233 1234 1235 |
$(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... |
1236 |
PHONY += $(module-dirs) modules |
1da177e4c Linux-2.6.12-rc2 |
1237 1238 1239 1240 |
$(module-dirs): crmodverdir $(objtree)/Module.symvers $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@) modules: $(module-dirs) |
fd54f5028 kbuild: use KECHO... |
1241 |
@$(kecho) ' Building modules, stage 2.'; |
b805aa0e7 kbuild: make -rR ... |
1242 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
1da177e4c Linux-2.6.12-rc2 |
1243 |
|
4f1933620 kbuild: change kb... |
1244 |
PHONY += modules_install |
a67dc21a3 kbuild: run depmo... |
1245 |
modules_install: _emodinst_ _emodinst_post |
e63046630 kbuild: remove a ... |
1246 |
|
4f1933620 kbuild: change kb... |
1247 1248 |
install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra) PHONY += _emodinst_ |
a67dc21a3 kbuild: run depmo... |
1249 |
_emodinst_: |
a67dc21a3 kbuild: run depmo... |
1250 |
$(Q)mkdir -p $(MODLIB)/$(install-dir) |
b805aa0e7 kbuild: make -rR ... |
1251 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst |
1da177e4c Linux-2.6.12-rc2 |
1252 |
|
4f1933620 kbuild: change kb... |
1253 |
PHONY += _emodinst_post |
a67dc21a3 kbuild: run depmo... |
1254 1255 |
_emodinst_post: _emodinst_ $(call cmd,depmod) |
1da177e4c Linux-2.6.12-rc2 |
1256 |
clean-dirs := $(addprefix _clean_,$(KBUILD_EXTMOD)) |
4f1933620 kbuild: change kb... |
1257 |
PHONY += $(clean-dirs) clean |
1da177e4c Linux-2.6.12-rc2 |
1258 1259 1260 1261 |
$(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) clean: rm-dirs := $(MODVERDIR) |
88d7be031 kbuild: Use a sin... |
1262 |
clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers |
1da177e4c Linux-2.6.12-rc2 |
1263 1264 1265 1266 1267 1268 1269 1270 1271 |
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... |
1272 1273 |
# Dummies... |
4f1933620 kbuild: change kb... |
1274 |
PHONY += prepare scripts |
06300b21f kbuild: support b... |
1275 1276 |
prepare: ; scripts: ; |
1da177e4c Linux-2.6.12-rc2 |
1277 |
endif # KBUILD_EXTMOD |
88d7be031 kbuild: Use a sin... |
1278 1279 1280 |
clean: $(clean-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) |
43f67c981 kbuild: Fix GNU m... |
1281 |
@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ |
88d7be031 kbuild: Use a sin... |
1282 |
\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ |
addbcdbbf MODSIGN: Provide ... |
1283 |
-o -name '*.ko.*' \ |
88d7be031 kbuild: Use a sin... |
1284 1285 1286 1287 |
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ -o -name '*.symtypes' -o -name 'modules.order' \ -o -name modules.builtin -o -name '.tmp_*.o.*' \ -o -name '*.gcno' \) -type f -print | xargs rm -f |
1da177e4c Linux-2.6.12-rc2 |
1288 1289 |
# Generate tags for editors # --------------------------------------------------------------------------- |
a680eedc6 tags and cscope s... |
1290 1291 |
quiet_cmd_tags = GEN $@ cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@ |
1da177e4c Linux-2.6.12-rc2 |
1292 |
|
f4ed1009f kbuild: add GNU G... |
1293 |
tags TAGS cscope gtags: FORCE |
1da177e4c Linux-2.6.12-rc2 |
1294 |
$(call cmd,tags) |
1da177e4c Linux-2.6.12-rc2 |
1295 1296 |
# Scripts to check various things for consistency # --------------------------------------------------------------------------- |
279f3dd35 kbuild: add targe... |
1297 |
PHONY += includecheck versioncheck coccicheck namespacecheck export_report |
1da177e4c Linux-2.6.12-rc2 |
1298 |
includecheck: |
436f876cc kbuild: make incl... |
1299 |
find $(srctree)/* $(RCS_FIND_IGNORE) \ |
1da177e4c Linux-2.6.12-rc2 |
1300 |
-name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1301 |
| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl |
1da177e4c Linux-2.6.12-rc2 |
1302 1303 |
versioncheck: |
2ee2d2928 kbuild: make vers... |
1304 |
find $(srctree)/* $(RCS_FIND_IGNORE) \ |
1da177e4c Linux-2.6.12-rc2 |
1305 |
-name '*.[hcS]' -type f -print | sort \ |
800074345 kbuild: Add missi... |
1306 |
| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl |
1da177e4c Linux-2.6.12-rc2 |
1307 |
|
74425eee7 Add a target to u... |
1308 1309 |
coccicheck: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ |
1da177e4c Linux-2.6.12-rc2 |
1310 1311 |
namespacecheck: $(PERL) $(srctree)/scripts/namespace.pl |
295ac0518 kbuild: call expo... |
1312 1313 |
export_report: $(PERL) $(srctree)/scripts/export_report.pl |
1da177e4c Linux-2.6.12-rc2 |
1314 1315 |
endif #ifeq ($(config-targets),1) endif #ifeq ($(mixed-targets),1) |
c398ff00f kbuild: fix error... |
1316 |
PHONY += checkstack kernelrelease kernelversion image_name |
e3ccf6e36 [PATCH] uml: add ... |
1317 |
|
011e3a9ad [PATCH] Fix cross... |
1318 1319 1320 1321 1322 1323 1324 1325 1326 |
# 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 |
1327 1328 |
checkstack: $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \ |
011e3a9ad [PATCH] Fix cross... |
1329 |
$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH) |
1da177e4c Linux-2.6.12-rc2 |
1330 |
|
7b8ea53d7 makefile: not nee... |
1331 1332 |
kernelrelease: @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" |
01ab17887 Makefile: "make k... |
1333 |
|
cb58455c4 kbuild: KERNELREL... |
1334 |
kernelversion: |
2244cbd8a kbuild: create .k... |
1335 |
@echo $(KERNELVERSION) |
1da177e4c Linux-2.6.12-rc2 |
1336 |
|
c398ff00f kbuild: fix error... |
1337 1338 |
image_name: @echo $(KBUILD_IMAGE) |
ea01fa9f6 tools: Connect to... |
1339 1340 |
# Clear a bunch of variables before executing the submake tools/: FORCE |
bf35182ff tools: Honour the... |
1341 |
$(Q)mkdir -p $(objtree)/tools |
a50e43332 perf tools: Honor... |
1342 |
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(objtree) subdir=tools -C $(src)/tools/ |
ea01fa9f6 tools: Connect to... |
1343 1344 |
tools/%: FORCE |
bf35182ff tools: Honour the... |
1345 |
$(Q)mkdir -p $(objtree)/tools |
a50e43332 perf tools: Honor... |
1346 |
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(objtree) subdir=tools -C $(src)/tools/ $* |
ea01fa9f6 tools: Connect to... |
1347 |
|
06300b21f kbuild: support b... |
1348 1349 |
# Single targets # --------------------------------------------------------------------------- |
bc2546a67 kbuild: fix build... |
1350 |
# Single targets are compatible with: |
e1b8513d2 Typoes: "whith" ... |
1351 |
# - build with mixed source and output |
bc2546a67 kbuild: fix build... |
1352 1353 1354 1355 1356 1357 1358 |
# - build with separate output dir 'make O=...' # - external modules # # target-dir => where to store outputfile # build-dir => directory in kernel source tree to use ifeq ($(KBUILD_EXTMOD),) |
aa360879e kbuild: fix make ... |
1359 |
build-dir = $(patsubst %/,%,$(dir $@)) |
bc2546a67 kbuild: fix build... |
1360 1361 1362 1363 1364 1365 |
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 ... |
1366 |
%.s: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1367 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1368 |
%.i: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1369 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1370 |
%.o: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1371 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1372 |
%.lst: %.c prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1373 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1374 |
%.s: %.S prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1375 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
f6ecebd65 kbuild: fix make ... |
1376 |
%.o: %.S prepare scripts FORCE |
bc2546a67 kbuild: fix build... |
1377 |
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
15fde6751 kbuild: support f... |
1378 1379 |
%.symtypes: %.c prepare scripts FORCE $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
06300b21f kbuild: support b... |
1380 |
|
bc2546a67 kbuild: fix build... |
1381 |
# Modules |
31110ebbe kbuild: fix make ... |
1382 1383 1384 1385 1386 |
/: prepare scripts FORCE $(cmd_crmodverdir) $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ $(build)=$(build-dir) %/: prepare scripts FORCE |
7bb9d092d kbuild: fix first... |
1387 |
$(cmd_crmodverdir) |
06300b21f kbuild: support b... |
1388 |
$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ |
bc2546a67 kbuild: fix build... |
1389 1390 |
$(build)=$(build-dir) %.ko: prepare scripts FORCE |
7bb9d092d kbuild: fix first... |
1391 |
$(cmd_crmodverdir) |
06300b21f kbuild: support b... |
1392 |
$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ |
bc2546a67 kbuild: fix build... |
1393 |
$(build)=$(build-dir) $(@:.ko=.o) |
b805aa0e7 kbuild: make -rR ... |
1394 |
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost |
06300b21f kbuild: support b... |
1395 |
|
1da177e4c Linux-2.6.12-rc2 |
1396 1397 1398 1399 1400 1401 1402 1403 |
# 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" -> ... |
1404 |
# Run depmod only if we have System.map and depmod is executable |
50a8ec31c kbuild: disable d... |
1405 |
quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) |
569658ddd kbuild: Call depm... |
1406 |
cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \ |
b92021b09 CONFIG_SYMBOL_PRE... |
1407 |
$(KERNELRELEASE) "$(patsubst y,_,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX))" |
50a8ec31c kbuild: disable d... |
1408 |
|
7bb9d092d kbuild: fix first... |
1409 |
# Create temporary dir for module support files |
ab19f8794 kbuild: fix modul... |
1410 1411 1412 |
# 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 |
1413 |
|
1da177e4c Linux-2.6.12-rc2 |
1414 1415 1416 1417 1418 1419 1420 1421 1422 |
# 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 |
1423 1424 1425 1426 |
# 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 |
1427 |
endif # skip-makefile |
4f1933620 kbuild: change kb... |
1428 |
PHONY += FORCE |
1da177e4c Linux-2.6.12-rc2 |
1429 |
FORCE: |
4f1933620 kbuild: change kb... |
1430 |
|
4f1933620 kbuild: change kb... |
1431 |
# Declare the contents of the .PHONY variable as phony. We keep that |
fe8d0a410 kbuild: fix a few... |
1432 |
# information in a variable so we can use it in if_changed and friends. |
4f1933620 kbuild: change kb... |
1433 |
.PHONY: $(PHONY) |