diff options
35 files changed, 547 insertions, 291 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index 2616a58a5a4b..9a1586590d82 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -872,7 +872,13 @@ When kbuild executes the following steps are followed (roughly): Assignments to $(targets) are without $(obj)/ prefix. if_changed may be used in conjunction with custom commands as defined in 6.7 "Custom kbuild commands". + Note: It is a typical mistake to forget the FORCE prerequisite. + Another common pitfall is that whitespace is sometimes + significant; for instance, the below will fail (note the extra space + after the comma): + target: source(s) FORCE + #WRONG!# $(call if_changed, ld/objcopy/gzip) ld Link target. Often LDFLAGS_$@ is used to set specific options to ld. @@ -109,10 +109,9 @@ $(if $(KBUILD_OUTPUT),, \ .PHONY: $(MAKECMDGOALS) $(filter-out _all,$(MAKECMDGOALS)) _all: - $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ - KBUILD_SRC=$(CURDIR) KBUILD_VERBOSE=$(KBUILD_VERBOSE) \ - KBUILD_CHECK=$(KBUILD_CHECK) KBUILD_EXTMOD="$(KBUILD_EXTMOD)" \ - -f $(CURDIR)/Makefile $@ + $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ + KBUILD_SRC=$(CURDIR) \ + KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile $@ # Leave processing to above invocation of make skip-makefile := 1 @@ -233,7 +232,7 @@ ifeq ($(MAKECMDGOALS),) KBUILD_MODULES := 1 endif -export KBUILD_MODULES KBUILD_BUILTIN KBUILD_VERBOSE +export KBUILD_MODULES KBUILD_BUILTIN export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD # Beautify output @@ -309,6 +308,9 @@ cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh \ # Look for make include files relative to root of kernel src MAKEFLAGS += --include-dir=$(srctree) +# We need some generic definitions +include $(srctree)/scripts/Kbuild.include + # For maximum performance (+ possibly random breakage, uncomment # the following) @@ -348,7 +350,7 @@ LINUXINCLUDE := -Iinclude \ CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE) -CFLAGS := -Wall -Wstrict-prototypes -Wno-trigraphs \ +CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common \ -ffreestanding AFLAGS := -D__ASSEMBLY__ @@ -367,11 +369,6 @@ export AFLAGS AFLAGS_KERNEL AFLAGS_MODULE # even be read-only. export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions -# The temporary file to save gcc -MD generated dependencies must not -# contain a comma -comma := , -depfile = $(subst $(comma),_,$(@D)/.$(@F).d) - # Files to ignore in find ... statements RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS -o -name .pc -o -name .hg \) -prune -o @@ -551,6 +548,26 @@ export KBUILD_IMAGE ?= vmlinux # images. Default is /boot, but you can set it to other values export INSTALL_PATH ?= /boot +# If CONFIG_LOCALVERSION_AUTO is set, we automatically perform some tests +# and try to determine if the current source tree is a release tree, of any sort, +# or if is a pure development tree. +# +# A 'release tree' is any tree with a git TAG associated +# with it. The primary goal of this is to make it safe for a native +# git/CVS/SVN user to build a release tree (i.e, 2.6.9) and also to +# continue developing against the current Linus tree, without having the Linus +# tree overwrite the 2.6.9 tree when installed. +# +# Currently, only git is supported. +# Other SCMs can edit scripts/setlocalversion and add the appropriate +# checks as needed. + + +ifdef CONFIG_LOCALVERSION_AUTO + localversion-auto := $(shell $(PERL) $(srctree)/scripts/setlocalversion $(srctree)) + LOCALVERSION := $(LOCALVERSION)$(localversion-auto) +endif + # # INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory # relocations required by build roots. This is not defined in the @@ -691,8 +708,10 @@ endef # Update vmlinux version before link # Use + in front of this rule to silent warning about make -j1 +# First command is ':' to allow us to use + in front of this rule cmd_ksym_ld = $(cmd_vmlinux__) define rule_ksym_ld + : +$(call cmd,vmlinux_version) $(call cmd,vmlinux__) $(Q)echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd @@ -722,6 +741,16 @@ quiet_cmd_kallsyms = KSYM $@ # Needs to visit scripts/ before $(KALLSYMS) can be used. $(KALLSYMS): scripts ; +# Generate some data for debugging strange kallsyms problems +debug_kallsyms: .tmp_map$(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 + endif # ifdef CONFIG_KALLSYMS # vmlinux image - including updated kernel symbols @@ -757,7 +786,7 @@ $(vmlinux-dirs): prepare-all scripts prepare2: ifneq ($(KBUILD_SRC),) @echo ' Using $(srctree) as source for kernel' - $(Q)if [ -h $(srctree)/include/asm -o -f $(srctree)/.config ]; then \ + $(Q)if [ -f $(srctree)/.config ]; then \ echo " $(srctree) is not clean, please run 'make mrproper'";\ echo " in the '$(srctree)' directory.";\ /bin/false; \ @@ -769,7 +798,8 @@ endif # prepare1 creates a makefile if using a separate output directory prepare1: prepare2 outputmakefile -prepare0: prepare1 include/linux/version.h include/asm include/config/MARKER +prepare0: prepare1 include/linux/version.h include/asm \ + include/config/MARKER ifneq ($(KBUILD_MODULES),) $(Q)rm -rf $(MODVERDIR) $(Q)mkdir -p $(MODVERDIR) @@ -875,7 +905,7 @@ modules_install: _modinst_ _modinst_post .PHONY: _modinst_ _modinst_: - @if [ -z "`$(DEPMOD) -V | grep module-init-tools`" ]; then \ + @if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \ 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; \ @@ -1159,37 +1189,49 @@ else __srctree = $(srctree)/ endif +ALLSOURCE_ARCHS := $(ARCH) + define all-sources ( find $(__srctree) $(RCS_FIND_IGNORE) \ \( -name include -o -name arch \) -prune -o \ -name '*.[chS]' -print; \ - find $(__srctree)arch/$(ARCH) $(RCS_FIND_IGNORE) \ - -name '*.[chS]' -print; \ + for ARCH in $(ALLSOURCE_ARCHS) ; do \ + find $(__srctree)arch/$${ARCH} $(RCS_FIND_IGNORE) \ + -name '*.[chS]' -print; \ + done ; \ find $(__srctree)security/selinux/include $(RCS_FIND_IGNORE) \ -name '*.[chS]' -print; \ find $(__srctree)include $(RCS_FIND_IGNORE) \ \( -name config -o -name 'asm-*' \) -prune \ -o -name '*.[chS]' -print; \ - find $(__srctree)include/asm-$(ARCH) $(RCS_FIND_IGNORE) \ - -name '*.[chS]' -print; \ + for ARCH in $(ALLSOURCE_ARCHS) ; do \ + find $(__srctree)include/asm-$${ARCH} $(RCS_FIND_IGNORE) \ + -name '*.[chS]' -print; \ + done ; \ find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \ -name '*.[chS]' -print ) endef quiet_cmd_cscope-file = FILELST cscope.files - cmd_cscope-file = $(all-sources) > cscope.files + cmd_cscope-file = (echo \-k; echo \-q; $(all-sources)) > cscope.files quiet_cmd_cscope = MAKE cscope.out - cmd_cscope = cscope -k -b -q + cmd_cscope = cscope -b cscope: FORCE $(call cmd,cscope-file) $(call cmd,cscope) quiet_cmd_TAGS = MAKE $@ -cmd_TAGS = $(all-sources) | etags - +define cmd_TAGS + rm -f $@; \ + ETAGSF=`etags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_GPL --extra=+f"`; \ + $(all-sources) | xargs etags $$ETAGSF -a +endef + +TAGS: FORCE + $(call cmd,TAGS) -# Exuberant ctags works better with -I quiet_cmd_tags = MAKE $@ define cmd_tags @@ -1198,9 +1240,6 @@ define cmd_tags $(all-sources) | xargs ctags $$CTAGSF -a endef -TAGS: FORCE - $(call cmd,TAGS) - tags: FORCE $(call cmd,tags) @@ -1268,82 +1307,11 @@ ifneq ($(cmd_files),) include $(cmd_files) endif -# Execute command and generate cmd file -if_changed = $(if $(strip $? \ - $(filter-out $(cmd_$(1)),$(cmd_$@))\ - $(filter-out $(cmd_$@),$(cmd_$(1)))),\ - @set -e; \ - $(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) \ - $(cmd_$(1)); \ - echo 'cmd_$@ := $(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).cmd) - - -# execute the command and also postprocess generated .d dependencies -# file -if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\ - $(filter-out $(cmd_$(1)),$(cmd_$@))\ - $(filter-out $(cmd_$@),$(cmd_$(1)))),\ - $(Q)set -e; \ - $(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) \ - $(cmd_$(1)); \ - scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \ - rm -f $(depfile); \ - mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd) - -# Usage: $(call if_changed_rule,foo) -# will check if $(cmd_foo) changed, or any of the prequisites changed, -# and if so will execute $(rule_foo) - -if_changed_rule = $(if $(strip $? \ - $(filter-out $(cmd_$(1)),$(cmd_$(@F)))\ - $(filter-out $(cmd_$(@F)),$(cmd_$(1)))),\ - $(Q)$(rule_$(1))) - -# If quiet is set, only print short version of command - -cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1)) - -# filechk is used to check if the content of a generated file is updated. -# Sample usage: -# define filechk_sample -# echo $KERNELRELEASE -# endef -# version.h : Makefile -# $(call filechk,sample) -# The rule defined shall write to stdout the content of the new file. -# The existing file will be compared with the new one. -# - If no file exist it is created -# - If the content differ the new file is used -# - If they are equal no change, and no timestamp update - -define filechk - @set -e; \ - echo ' CHK $@'; \ - mkdir -p $(dir $@); \ - $(filechk_$(1)) < $< > $@.tmp; \ - if [ -r $@ ] && cmp -s $@ $@.tmp; then \ - rm -f $@.tmp; \ - else \ - echo ' UPD $@'; \ - mv -f $@.tmp $@; \ - fi -endef - -# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=dir -# Usage: -# $(Q)$(MAKE) $(build)=dir -build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj - # 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 -# $(call descend,<dir>,<target>) -# Recursively call a sub-make in <dir> with target <target> -# Usage is deprecated, because make does not see this as an invocation of make. -descend =$(Q)$(MAKE) -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj=$(1) $(2) - endif # skip-makefile FORCE: diff --git a/arch/m68knommu/Makefile b/arch/m68knommu/Makefile index 97022ed0da38..7ce5e55b2401 100644 --- a/arch/m68knommu/Makefile +++ b/arch/m68knommu/Makefile @@ -114,7 +114,7 @@ libs-y += arch/m68knommu/lib/ prepare: include/asm-$(ARCH)/asm-offsets.h archclean: - $(call descend arch/$(ARCH)/boot, subdirclean) + $(Q)$(MAKE) $(clean)=arch/m68knommu/boot include/asm-$(ARCH)/asm-offsets.h: arch/$(ARCH)/kernel/asm-offsets.s \ include/asm include/linux/version.h \ diff --git a/arch/mips/Makefile b/arch/mips/Makefile index d27b82595485..b0fdaee8d8d9 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -673,7 +673,7 @@ drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ ifdef CONFIG_LASAT rom.bin rom.sw: vmlinux - $(call descend,arch/mips/lasat/image,$@) + $(Q)$(MAKE) $(build)=arch/mips/lasat/image $@ endif # diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 879036d4b30b..6b736364cc5b 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -408,48 +408,6 @@ config BLK_DEV_INITRD "real" root file system, etc. See <file:Documentation/initrd.txt> for details. -config INITRAMFS_SOURCE - string "Initramfs source file(s)" - default "" - help - This can be either a single cpio archive with a .cpio suffix or a - space-separated list of directories and files for building the - initramfs image. A cpio archive should contain a filesystem archive - to be used as an initramfs image. Directories should contain a - filesystem layout to be included in the initramfs image. Files - should contain entries according to the format described by the - "usr/gen_init_cpio" program in the kernel tree. - - When multiple directories and files are specified then the - initramfs image will be the aggregate of all of them. - - See <file:Documentation/early-userspace/README for more details. - - If you are not sure, leave it blank. - -config INITRAMFS_ROOT_UID - int "User ID to map to 0 (user root)" - depends on INITRAMFS_SOURCE!="" - default "0" - help - This setting is only meaningful if the INITRAMFS_SOURCE is - contains a directory. Setting this user ID (UID) to something - other than "0" will cause all files owned by that UID to be - owned by user root in the initial ramdisk image. - - If you are not sure, leave it set to "0". - -config INITRAMFS_ROOT_GID - int "Group ID to map to 0 (group root)" - depends on INITRAMFS_SOURCE!="" - default "0" - help - This setting is only meaningful if the INITRAMFS_SOURCE is - contains a directory. Setting this group ID (GID) to something - other than "0" will cause all files owned by that GID to be - owned by group root in the initial ramdisk image. - - If you are not sure, leave it set to "0". #XXX - it makes sense to enable this only for 32-bit subarch's, not for x86_64 #for instance. diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index b3bb326ae5b6..3fa94288aa93 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -6,6 +6,9 @@ #define VMLINUX_SYMBOL(_sym_) _sym_ #endif +/* Align . to a 8 byte boundary equals to maximum function alignment. */ +#define ALIGN_FUNCTION() . = ALIGN(8) + #define RODATA \ .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ *(.rodata) *(.rodata.*) \ @@ -79,12 +82,18 @@ VMLINUX_SYMBOL(__security_initcall_end) = .; \ } +/* sched.text is aling to function alignment to secure we have same + * address even at second ld pass when generating System.map */ #define SCHED_TEXT \ + ALIGN_FUNCTION(); \ VMLINUX_SYMBOL(__sched_text_start) = .; \ *(.sched.text) \ VMLINUX_SYMBOL(__sched_text_end) = .; +/* spinlock.text is aling to function alignment to secure we have same + * address even at second ld pass when generating System.map */ #define LOCK_TEXT \ + ALIGN_FUNCTION(); \ VMLINUX_SYMBOL(__lock_text_start) = .; \ *(.spinlock.text) \ VMLINUX_SYMBOL(__lock_text_end) = .; diff --git a/init/Kconfig b/init/Kconfig index 05a75c4f5ce2..d5a1a1228fab 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -77,6 +77,22 @@ config LOCALVERSION object and source tree, in that order. Your total string can be a maximum of 64 characters. +config LOCALVERSION_AUTO + bool "Automatically append version information to the version string" + default y + help + This will try to automatically determine if the current tree is a + release tree by looking for git tags that + belong to the current top of tree revision. + + A string of the format -gxxxxxxxx will be added to the localversion + if a git based tree is found. The string generated by this will be + appended after any matching localversion* files, and after the value + set in CONFIG_LOCALVERSION + + Note: This requires Perl, and a git repository, but not necessarily + the git or cogito tools to be installed. + config SWAP bool "Support for paging of anonymous memory (swap)" depends on MMU @@ -238,6 +254,8 @@ config CPUSETS Say N if unsure. +source "usr/Kconfig" + menuconfig EMBEDDED bool "Configure standard kernel features (for small systems)" help @@ -260,8 +278,8 @@ config KALLSYMS_ALL help Normally kallsyms only contains the symbols of functions, for nicer OOPS messages. Some debuggers can use kallsyms for other - symbols too: say Y here to include all symbols, and you - don't care about adding 300k to the size of your kernel. + symbols too: say Y here to include all symbols, if you need them + and you don't care about adding 300k to the size of your kernel. Say N. diff --git a/init/Makefile b/init/Makefile index 93a53fbdbe79..a2300078f2b7 100644 --- a/init/Makefile +++ b/init/Makefile @@ -25,4 +25,5 @@ $(obj)/version.o: include/linux/compile.h include/linux/compile.h: FORCE @echo ' CHK $@' - @$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CC) $(CFLAGS)" + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \ + "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(CFLAGS)" diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include new file mode 100644 index 000000000000..9087273abf91 --- /dev/null +++ b/scripts/Kbuild.include @@ -0,0 +1,96 @@ +#### +# kbuild: Generic definitions + +# Convinient variables +comma := , +empty := +space := $(empty) $(empty) + +### +# The temporary file to save gcc -MD generated dependencies must not +# contain a comma +depfile = $(subst $(comma),_,$(@D)/.$(@F).d) + +### +# filechk is used to check if the content of a generated file is updated. +# Sample usage: +# define filechk_sample +# echo $KERNELRELEASE +# endef +# version.h : Makefile +# $(call filechk,sample) +# The rule defined shall write to stdout the content of the new file. +# The existing file will be compared with the new one. +# - If no file exist it is created +# - If the content differ the new file is used +# - If they are equal no change, and no timestamp update +# - stdin is piped in from the first prerequisite ($<) so one has +# to specify a valid file as first prerequisite (often the kbuild file) +define filechk + $(Q)set -e; \ + echo ' CHK $@'; \ + mkdir -p $(dir $@); \ + $(filechk_$(1)) < $< > $@.tmp; \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + echo ' UPD $@'; \ + mv -f $@.tmp $@; \ + fi +endef + +### +# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj= +# Usage: +# $(Q)$(MAKE) $(build)=dir +build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj + +# If quiet is set, only print short version of command +cmd = @$(if $($(quiet)cmd_$(1)),\ + echo ' $(subst ','\'',$($(quiet)cmd_$(1)))' &&) $(cmd_$(1)) + +### +# if_changed - execute command if any prerequisite is newer than +# target, or command line has changed +# if_changed_dep - as if_changed, but uses fixdep to reveal dependencies +# including used config symbols +# if_changed_rule - as if_changed but execute rule instead +# See Documentation/kbuild/makefiles.txt for more info + +ifneq ($(KBUILD_NOCMDDEP),1) +# Check if both arguments has same arguments. Result in empty string if equal +# User may override this check using make KBUILD_NOCMDDEP=1 +arg-check = $(strip $(filter-out $(1), $(2)) $(filter-out $(2), $(1)) ) +endif + +# echo command. Short version is $(quiet) equals quiet, otherwise full command +echo-cmd = $(if $($(quiet)cmd_$(1)), \ + echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) + +# function to only execute the passed command if necessary +# >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file +# note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars +# +if_changed = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ + @set -e; \ + $(echo-cmd) \ + $(cmd_$(1)); \ + echo 'cmd_$@ := $(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).cmd) + +# execute the command and also postprocess generated .d dependencies +# file +if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\ + $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ + @set -e; \ + $(echo-cmd) \ + $(cmd_$(1)); \ + scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \ + rm -f $(depfile); \ + mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd) + +# Usage: $(call if_changed_rule,foo) +# will check if $(cmd_foo) changed, or any of the prequisites changed, +# and if so will execute $(rule_foo) +if_changed_rule = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ),\ + @set -e; \ + $(rule_$(1))) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 76ba6be3dfc9..506e3f3befe3 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -10,8 +10,11 @@ __build: # Read .config if it exist, otherwise ignore -include .config -include $(if $(wildcard $(obj)/Kbuild), $(obj)/Kbuild, $(obj)/Makefile) +# The filename Kbuild has precedence over Makefile +kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) +include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile) +include scripts/Kbuild.include include scripts/Makefile.lib ifdef host-progs @@ -169,7 +172,7 @@ cmd_modversions = \ -T $(@D)/.tmp_$(@F:.o=.ver); \ rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver); \ else \ - mv $(@D)/.tmp_$(@F) $@; \ + mv -f $(@D)/.tmp_$(@F) $@; \ fi; endif diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean index ff3e87dbf387..8974ea5fc878 100644 --- a/scripts/Makefile.clean +++ b/scripts/Makefile.clean @@ -7,7 +7,14 @@ src := $(obj) .PHONY: __clean __clean: -include $(if $(wildcard $(obj)/Kbuild), $(obj)/Kbuild, $(obj)/Makefile) +# Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir +# Usage: +# $(Q)$(MAKE) $(clean)=dir +clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj + +# The filename Kbuild has precedence over Makefile +kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) +include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile) # Figure out what we need to build from the various variables # ========================================================================== @@ -87,8 +94,3 @@ $(subdir-ymn): # If quiet is set, only print short version of command cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1)) - -# Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir -# Usage: -# $(Q)$(MAKE) $(clean)=dir -clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj diff --git a/scripts/Makefile.host b/scripts/Makefile.host index 2821a2b83bbb..2d519704b8fd 100644 --- a/scripts/Makefile.host +++ b/scripts/Makefile.host @@ -98,7 +98,8 @@ hostcxx_flags = -Wp,-MD,$(depfile) $(__hostcxx_flags) # Create executable from a single .c file # host-csingle -> Executable quiet_cmd_host-csingle = HOSTCC $@ - cmd_host-csingle = $(HOSTCC) $(hostc_flags) $(HOST_LOADLIBES) -o $@ $< + cmd_host-csingle = $(HOSTCC) $(hostc_flags) -o $@ $< \ + $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) $(host-csingle): %: %.c FORCE $(call if_changed_dep,host-csingle) diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 7cf75cc4f849..0f81dcfd6909 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -1,13 +1,3 @@ -# =========================================================================== -# kbuild: Generic definitions -# =========================================================================== - -# Standard vars - -comma := , -empty := -space := $(empty) $(empty) - # Backward compatibility - to be removed... extra-y += $(EXTRA_TARGETS) # Figure out what we need to build from the various variables @@ -84,10 +74,6 @@ multi-objs-m := $(addprefix $(obj)/,$(multi-objs-m)) subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) obj-dirs := $(addprefix $(obj)/,$(obj-dirs)) -# The temporary file to save gcc -MD generated dependencies must not -# contain a comma -depfile = $(subst $(comma),_,$(@D)/.$(@F).d) - # These flags are needed for modversions and compiling, so we define them here # already # $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will @@ -179,89 +165,4 @@ cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ quiet_cmd_gzip = GZIP $@ cmd_gzip = gzip -f -9 < $< > $@ -# =========================================================================== -# Generic stuff -# =========================================================================== - -ifneq ($(KBUILD_NOCMDDEP),1) -# Check if both arguments has same arguments. Result in empty string if equal -# User may override this check using make KBUILD_NOCMDDEP=1 -arg-check = $(strip $(filter-out $(1), $(2)) $(filter-out $(2), $(1)) ) - -endif - -# echo command. Short version is $(quiet) equals quiet, otherwise full command -echo-cmd = $(if $($(quiet)cmd_$(1)), \ - echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) - -# function to only execute the passed command if necessary -# >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file -# note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars -# -if_changed = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ - @set -e; \ - $(echo-cmd) \ - $(cmd_$(1)); \ - echo 'cmd_$@ := $(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).cmd) - - -# execute the command and also postprocess generated .d dependencies -# file - -if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\ - $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \ - @set -e; \ - $(echo-cmd) \ - $(cmd_$(1)); \ - scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \ - rm -f $(depfile); \ - mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd) - -# Usage: $(call if_changed_rule,foo) -# will check if $(cmd_foo) changed, or any of the prequisites changed, -# and if so will execute $(rule_foo) - -if_changed_rule = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ),\ - @set -e; \ - $(rule_$(1))) - -# If quiet is set, only print short version of command - -cmd = @$(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))' &&) $(cmd_$(1)) - -# $(call descend,<dir>,<target>) -# Recursively call a sub-make in <dir> with target <target> -# Usage is deprecated, because make do not see this as an invocation of make. -descend =$(Q)$(MAKE) -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj=$(1) $(2) - -# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj= -# Usage: -# $(Q)$(MAKE) $(build)=dir -build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj - -# filechk is used to check if the content of a generated file is updated. -# Sample usage: -# define filechk_sample -# echo $KERNELRELEASE -# endef -# version.h : Makefile -# $(call filechk,sample) -# The rule defined shall write to stdout the content of the new file. -# The existing file will be compared with the new one. -# - If no file exist it is created -# - If the content differ the new file is used -# - If they are equal no change, and no timestamp update - -define filechk - $(Q)set -e; \ - echo ' CHK $@'; \ - mkdir -p $(dir $@); \ - $(filechk_$(1)) $(2) > $@.tmp; \ - if [ -r $@ ] && cmp -s $@ $@.tmp; then \ - rm -f $@.tmp; \ - else \ - echo ' UPD $@'; \ - mv -f $@.tmp $@; \ - fi -endef diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst index 85d6494e3c24..23fd1bdc25ce 100644 --- a/scripts/Makefile.modinst +++ b/scripts/Makefile.modinst @@ -5,7 +5,7 @@ .PHONY: __modinst __modinst: -include scripts/Makefile.lib +include scripts/Kbuild.include # diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index 94b550e21be8..0c4f3a9f2ea9 100644 --- a/scripts/Makefile.modpost +++ b/scripts/Makefile.modpost @@ -36,6 +36,7 @@ _modpost: __modpost include .config +include scripts/Kbuild.include include scripts/Makefile.lib symverfile := $(objtree)/Module.symvers diff --git a/scripts/conmakehash.c b/scripts/conmakehash.c index 93dd23f21ec9..e0c6891a9ad4 100644 --- a/scripts/conmakehash.c +++ b/scripts/conmakehash.c @@ -33,7 +33,7 @@ void usage(char *argv0) int getunicode(char **p0) { - unsigned char *p = *p0; + char *p = *p0; while (*p == ' ' || *p == '\t') p++; diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index d3d2e5341051..9be41a9f5aff 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -207,9 +207,9 @@ symbol_valid(struct sym_entry *s) * move then they may get dropped in pass 2, which breaks the * kallsyms rules. */ - if ((s->addr == _etext && strcmp(s->sym + offset, "_etext")) || - (s->addr == _einittext && strcmp(s->sym + offset, "_einittext")) || - (s->addr == _eextratext && strcmp(s->sym + offset, "_eextratext"))) + if ((s->addr == _etext && strcmp((char*)s->sym + offset, "_etext")) || + (s->addr == _einittext && strcmp((char*)s->sym + offset, "_einittext")) || + (s->addr == _eextratext && strcmp((char*)s->sym + offset, "_eextratext"))) return 0; } diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index 8b84c42b49b5..c3d25786a64d 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -59,7 +59,7 @@ void menu_add_entry(struct symbol *sym); void menu_end_entry(void); void menu_add_dep(struct expr *dep); struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep); -void menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); +struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); void menu_finalize(struct menu *parent); diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index 8c59b212722d..5cfa6c405cf0 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -136,9 +136,9 @@ struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *e return prop; } -void menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep) +struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep) { - menu_add_prop(type, prompt, NULL, dep); + return menu_add_prop(type, prompt, NULL, dep); } void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep) diff --git a/scripts/kconfig/zconf.tab.c_shipped b/scripts/kconfig/zconf.tab.c_shipped index f163d8d2d9ef..ff4fcc09720e 100644 --- a/scripts/kconfig/zconf.tab.c_shipped +++ b/scripts/kconfig/zconf.tab.c_shipped @@ -1531,7 +1531,7 @@ yyreduce: { menu_add_entry(NULL); - menu_add_prop(P_MENU, yyvsp[-1].string, NULL, NULL); + menu_add_prompt(P_MENU, yyvsp[-1].string, NULL); printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); ;} break; @@ -1586,7 +1586,7 @@ yyreduce: { menu_add_entry(NULL); - menu_add_prop(P_COMMENT, yyvsp[-1].string, NULL, NULL); + menu_add_prompt(P_COMMENT, yyvsp[-1].string, NULL); printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno()); ;} break; @@ -1640,7 +1640,7 @@ yyreduce: case 86: { - menu_add_prop(P_PROMPT, yyvsp[-1].string, NULL, yyvsp[0].expr); + menu_add_prompt(P_PROMPT, yyvsp[-1].string, yyvsp[0].expr); ;} break; @@ -1925,7 +1925,7 @@ void conf_parse(const char *name) sym_init(); menu_init(); modules_sym = sym_lookup("MODULES", 0); - rootmenu.prompt = menu_add_prop(P_MENU, "Linux Kernel Configuration", NULL, NULL); + rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL); //zconfdebug = 1; zconfparse(); diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 54460f8d3696..e1a0f455d4a8 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -342,7 +342,7 @@ if_block: menu: T_MENU prompt T_EOL { menu_add_entry(NULL); - menu_add_prop(P_MENU, $2, NULL, NULL); + menu_add_prompt(P_MENU, $2, NULL); printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); }; @@ -392,7 +392,7 @@ source_stmt: source comment: T_COMMENT prompt T_EOL { menu_add_entry(NULL); - menu_add_prop(P_COMMENT, $2, NULL, NULL); + menu_add_prompt(P_COMMENT, $2, NULL); printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno()); }; @@ -443,7 +443,7 @@ prompt_stmt_opt: /* empty */ | prompt if_expr { - menu_add_prop(P_PROMPT, $1, NULL, $2); + menu_add_prompt(P_PROMPT, $1, $2); }; prompt: T_WORD @@ -487,7 +487,7 @@ void conf_parse(const char *name) sym_init(); menu_init(); modules_sym = sym_lookup("MODULES", 0); - rootmenu.prompt = menu_add_prop(P_MENU, "Linux Kernel Configuration", NULL, NULL); + rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL); //zconfdebug = 1; zconfparse(); diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 0835dc2a8aa9..8aaf74e64183 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -1665,11 +1665,17 @@ sub xml_escape($) { } sub process_file($) { - my ($file) = "$ENV{'SRCTREE'}@_"; + my $file; my $identifier; my $func; my $initial_section_counter = $section_counter; + if (defined($ENV{'SRCTREE'})) { + $file = "$ENV{'SRCTREE'}" . "/" . "@_"; + } + else { + $file = "@_"; + } if (defined($source_map{$file})) { $file = $source_map{$file}; } diff --git a/scripts/lxdialog/dialog.h b/scripts/lxdialog/dialog.h index c571548daa82..eb63e1bb63a3 100644 --- a/scripts/lxdialog/dialog.h +++ b/scripts/lxdialog/dialog.h @@ -163,7 +163,7 @@ int dialog_menu (const char *title, const char *prompt, int height, int width, int dialog_checklist (const char *title, const char *prompt, int height, int width, int list_height, int item_no, const char * const * items, int flag); -extern unsigned char dialog_input_result[]; +extern char dialog_input_result[]; int dialog_inputbox (const char *title, const char *prompt, int height, int width, const char *init); diff --git a/scripts/lxdialog/inputbox.c b/scripts/lxdialog/inputbox.c index fa7bebc693b9..074d2d68bd31 100644 --- a/scripts/lxdialog/inputbox.c +++ b/scripts/lxdialog/inputbox.c @@ -21,7 +21,7 @@ #include "dialog.h" -unsigned char dialog_input_result[MAX_LEN + 1]; +char dialog_input_result[MAX_LEN + 1]; /* * Print the termination buttons @@ -48,7 +48,7 @@ dialog_inputbox (const char *title, const char *prompt, int height, int width, { int i, x, y, box_y, box_x, box_width; int input_x = 0, scroll = 0, key = 0, button = -1; - unsigned char *instr = dialog_input_result; + char *instr = dialog_input_result; WINDOW *dialog; /* center dialog box on screen */ diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h index 8d118d181950..d7b8a384b4a7 100755 --- a/scripts/mkcompile_h +++ b/scripts/mkcompile_h @@ -1,7 +1,8 @@ TARGET=$1 ARCH=$2 SMP=$3 -CC=$4 +PREEMPT=$4 +CC=$5 # If compile.h exists already and we don't own autoconf.h # (i.e. we're not the same user who did make *config), don't @@ -26,8 +27,10 @@ fi UTS_VERSION="#$VERSION" -if [ -n "$SMP" ] ; then UTS_VERSION="$UTS_VERSION SMP"; fi -UTS_VERSION="$UTS_VERSION `LC_ALL=C LANG=C date`" +CONFIG_FLAGS="" +if [ -n "$SMP" ] ; then CONFIG_FLAGS="SMP"; fi +if [ -n "$PREEMPT" ] ; then CONFIG_FLAGS="$CONFIG_FLAGS PREEMPT"; fi +UTS_VERSION="$UTS_VERSION $CONFIG_FLAGS `LC_ALL=C LANG=C date`" # Truncate to maximum length @@ -37,7 +40,8 @@ UTS_TRUNCATE="sed -e s/\(.\{1,$UTS_LEN\}\).*/\1/" # Generate a temporary compile.h ( echo /\* This file is auto generated, version $VERSION \*/ - + if [ -n "$CONFIG_FLAGS" ] ; then echo "/* $CONFIG_FLAGS */"; fi + echo \#define UTS_MACHINE \"$ARCH\" echo \#define UTS_VERSION \"`echo $UTS_VERSION | $UTS_TRUNCATE`\" diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c index 1112347245c0..43271a1ca01e 100644 --- a/scripts/mod/sumversion.c +++ b/scripts/mod/sumversion.c @@ -252,9 +252,9 @@ static int parse_comment(const char *file, unsigned long len) } /* FIXME: Handle .s files differently (eg. # starts comments) --RR */ -static int parse_file(const signed char *fname, struct md4_ctx *md) +static int parse_file(const char *fname, struct md4_ctx *md) { - signed char *file; + char *file; unsigned long i, len; file = grab_file(fname, &len); @@ -332,7 +332,7 @@ static int parse_source_files(const char *objfile, struct md4_ctx *md) Sum all files in the same dir or subdirs. */ while ((line = get_next_line(&pos, file, flen)) != NULL) { - signed char* p = line; + char* p = line; if (strncmp(line, "deps_", sizeof("deps_")-1) == 0) { check_files = 1; continue; @@ -458,7 +458,7 @@ out: close(fd); } -static int strip_rcs_crap(signed char *version) +static int strip_rcs_crap(char *version) { unsigned int len, full_len; diff --git a/scripts/package/Makefile b/scripts/package/Makefile index 3b1f2eff2584..f3e7e8e4a500 100644 --- a/scripts/package/Makefile +++ b/scripts/package/Makefile @@ -59,7 +59,7 @@ $(objtree)/binkernel.spec: $(MKSPEC) $(srctree)/Makefile $(CONFIG_SHELL) $(MKSPEC) prebuilt > $@ binrpm-pkg: $(objtree)/binkernel.spec - $(MAKE) + $(MAKE) KBUILD_SRC= set -e; \ $(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version set -e; \ @@ -74,16 +74,30 @@ clean-files += $(objtree)/binkernel.spec # .PHONY: deb-pkg deb-pkg: - $(MAKE) + $(MAKE) KBUILD_SRC= $(CONFIG_SHELL) $(srctree)/scripts/package/builddeb clean-dirs += $(objtree)/debian/ +# tarball targets +# --------------------------------------------------------------------------- +.PHONY: tar%pkg +tar%pkg: + $(MAKE) + $(CONFIG_SHELL) $(srctree)/scripts/package/buildtar $@ + +clean-dirs += $(objtree)/tar-install/ + + # Help text displayed when executing 'make help' # --------------------------------------------------------------------------- help: - @echo ' rpm-pkg - Build the kernel as an RPM package' - @echo ' binrpm-pkg - Build an rpm package containing the compiled kernel & modules' - @echo ' deb-pkg - Build the kernel as an deb package' + @echo ' rpm-pkg - Build the kernel as an RPM package' + @echo ' binrpm-pkg - Build an rpm package containing the compiled kernel' + @echo ' and modules' + @echo ' deb-pkg - Build the kernel as an deb package' + @echo ' tar-pkg - Build the kernel as an uncompressed tarball' + @echo ' targz-pkg - Build the kernel as a gzip compressed tarball' + @echo ' tarbz2-pkg - Build the kernel as a bzip2 compressed tarball' diff --git a/scripts/package/builddeb b/scripts/package/builddeb index c279b6310f02..6edb29f2b4a6 100644 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -14,18 +14,38 @@ set -e # Some variables and settings used throughout the script version=$KERNELRELEASE tmpdir="$objtree/debian/tmp" +packagename=linux-$version + +if [ "$ARCH" == "um" ] ; then + packagename=user-mode-linux-$version +fi # Setup the directory structure rm -rf "$tmpdir" mkdir -p "$tmpdir/DEBIAN" "$tmpdir/lib" "$tmpdir/boot" +if [ "$ARCH" == "um" ] ; then + mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/share/doc/$packagename" "$tmpdir/usr/bin" +fi # Build and install the kernel -cp System.map "$tmpdir/boot/System.map-$version" -cp .config "$tmpdir/boot/config-$version" -cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version" +if [ "$ARCH" == "um" ] ; then + $MAKE linux + cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" + cp .config "$tmpdir/usr/share/doc/$packagename/config" + gzip "$tmpdir/usr/share/doc/$packagename/config" + cp $KBUILD_IMAGE "$tmpdir/usr/bin/linux-$version" +else + cp System.map "$tmpdir/boot/System.map-$version" + cp .config "$tmpdir/boot/config-$version" + cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version" +fi if grep -q '^CONFIG_MODULES=y' .config ; then - INSTALL_MOD_PATH="$tmpdir" make modules_install + INSTALL_MOD_PATH="$tmpdir" make KBUILD_SRC= modules_install + if [ "$ARCH" == "um" ] ; then + mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" + rmdir "$tmpdir/lib/modules/$version" + fi fi # Install the maintainer scripts @@ -53,6 +73,8 @@ linux ($version) unstable; urgency=low EOF # Generate a control file +if [ "$ARCH" == "um" ]; then + cat <<EOF > debian/control Source: linux Section: base @@ -60,12 +82,34 @@ Priority: optional Maintainer: $name Standards-Version: 3.6.1 -Package: linux-$version +Package: $packagename +Architecture: any +Description: User Mode Linux kernel, version $version + User-mode Linux is a port of the Linux kernel to its own system call + interface. It provides a kind of virtual machine, which runs Linux + as a user process under another Linux kernel. This is useful for + kernel development, sandboxes, jails, experimentation, and + many other things. + . + This package contains the Linux kernel, modules and corresponding other + files version $version +EOF + +else +cat <<EOF > debian/control +Source: linux +Section: base +Priority: optional +Maintainer: $name +Standards-Version: 3.6.1 + +Package: $packagename Architecture: any Description: Linux kernel, version $version This package contains the Linux kernel, modules and corresponding other - files version $version. + files version $version EOF +fi # Fix some ownership and permissions chown -R root:root "$tmpdir" diff --git a/scripts/package/buildtar b/scripts/package/buildtar new file mode 100644 index 000000000000..d8fffe6f8906 --- /dev/null +++ b/scripts/package/buildtar @@ -0,0 +1,111 @@ +#!/bin/sh + +# +# buildtar 0.0.3 +# +# (C) 2004-2005 by Jan-Benedict Glaw <jbglaw@lug-owl.de> +# +# This script is used to compile a tarball from the currently +# prepared kernel. Based upon the builddeb script from +# Wichert Akkerman <wichert@wiggy.net>. +# + +set -e + +# +# Some variables and settings used throughout the script +# +version="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}${EXTRANAME}" +tmpdir="${objtree}/tar-install" +tarball="${objtree}/linux-${version}.tar" + + +# +# Figure out how to compress, if requested at all +# +case "${1}" in + tar-pkg) + compress="cat" + file_ext="" + ;; + targz-pkg) + compress="gzip -c9" + file_ext=".gz" + ;; + tarbz2-pkg) + compress="bzip2 -c9" + file_ext=".bz2" + ;; + *) + echo "Unknown tarball target \"${1}\" requested, please add it to ${0}." >&2 + exit 1 + ;; +esac + + +# +# Clean-up and re-create the temporary directory +# +rm -rf -- "${tmpdir}" +mkdir -p -- "${tmpdir}/boot" + + +# +# Try to install modules +# +if ! make INSTALL_MOD_PATH="${tmpdir}" modules_install; then + echo "" >&2 + echo "Ignoring error at module_install time, since that could be" >&2 + echo "a result of missing local modutils/module-init-tools," >&2 + echo "or you just didn't compile in module support at all..." >&2 + echo "" >&2 +fi + + +# +# Install basic kernel files +# +cp -v -- System.map "${tmpdir}/boot/System.map-${version}" +cp -v -- .config "${tmpdir}/boot/config-${version}" +cp -v -- vmlinux "${tmpdir}/boot/vmlinux-${version}" + + +# +# Install arch-specific kernel image(s) +# +case "${ARCH}" in + i386) + [ -f arch/i386/boot/bzImage ] && cp -v -- arch/i386/boot/bzImage "${tmpdir}/boot/vmlinuz-${version}" + ;; + alpha) + [ -f arch/alpha/boot/vmlinux.gz ] && cp -v -- arch/alpha/boot/vmlinux.gz "${tmpdir}/boot/vmlinuz-${version}" + ;; + vax) + [ -f vmlinux.SYS ] && cp -v -- vmlinux.SYS "${tmpdir}/boot/vmlinux-${version}.SYS" + [ -f vmlinux.dsk ] && cp -v -- vmlinux.dsk "${tmpdir}/boot/vmlinux-${version}.dsk" + ;; + *) + [ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-kbuild-${version}" + echo "" >&2 + echo '** ** ** WARNING ** ** **' >&2 + echo "" >&2 + echo "Your architecture did not define any architecture-dependant files" >&2 + echo "to be placed into the tarball. Please add those to ${0} ..." >&2 + echo "" >&2 + sleep 5 + ;; +esac + + +# +# Create the tarball +# +( + cd "${tmpdir}" + tar cf - . | ${compress} > "${tarball}${file_ext}" +) + +echo "Tarball successfully created in ${tarball}${file_ext}" + +exit 0 + diff --git a/scripts/package/mkspec b/scripts/package/mkspec index 6e7a58f145ad..0b1038737548 100755 --- a/scripts/package/mkspec +++ b/scripts/package/mkspec @@ -62,10 +62,19 @@ echo "" fi echo "%install" +echo "%ifarch ia64" +echo 'mkdir -p $RPM_BUILD_ROOT/boot/efi $RPM_BUILD_ROOT/lib $RPM_BUILD_ROOT/lib/modules' +echo "%else" echo 'mkdir -p $RPM_BUILD_ROOT/boot $RPM_BUILD_ROOT/lib $RPM_BUILD_ROOT/lib/modules' +echo "%endif" echo 'INSTALL_MOD_PATH=$RPM_BUILD_ROOT make %{_smp_mflags} modules_install' +echo "%ifarch ia64" +echo 'cp $KBUILD_IMAGE $RPM_BUILD_ROOT'"/boot/efi/vmlinuz-$KERNELRELEASE" +echo 'ln -s '"efi/vmlinuz-$KERNELRELEASE" '$RPM_BUILD_ROOT'"/boot/" +echo "%else" echo 'cp $KBUILD_IMAGE $RPM_BUILD_ROOT'"/boot/vmlinuz-$KERNELRELEASE" +echo "%endif" echo 'cp System.map $RPM_BUILD_ROOT'"/boot/System.map-$KERNELRELEASE" diff --git a/scripts/reference_discarded.pl b/scripts/reference_discarded.pl index d5cabb81bd1b..f04f62736851 100644 --- a/scripts/reference_discarded.pl +++ b/scripts/reference_discarded.pl @@ -96,6 +96,7 @@ foreach $object (keys(%object)) { $from !~ /\.debug_ranges$/ && $from !~ /\.debug_line$/ && $from !~ /\.debug_frame$/ && + $from !~ /\.debug_loc$/ && $from !~ /\.exitcall\.exit$/ && $from !~ /\.eh_frame$/ && $from !~ /\.stab$/)) { diff --git a/scripts/reference_init.pl b/scripts/reference_init.pl index 9a2408453869..7f6960b175a2 100644 --- a/scripts/reference_init.pl +++ b/scripts/reference_init.pl @@ -98,6 +98,7 @@ foreach $object (sort(keys(%object))) { $from !~ /\.pdr$/ && $from !~ /\__param$/ && $from !~ /\.altinstructions/ && + $from !~ /\.eh_frame/ && $from !~ /\.debug_/)) { printf("Error: %s %s refers to %s\n", $object, $from, $line); } diff --git a/scripts/setlocalversion b/scripts/setlocalversion new file mode 100644 index 000000000000..7c805c8fccd2 --- /dev/null +++ b/scripts/setlocalversion @@ -0,0 +1,56 @@ +#!/usr/bin/perl +# Copyright 2004 - Ryan Anderson <ryan@michonline.com> GPL v2 + +use strict; +use warnings; +use Digest::MD5; +require 5.006; + +if (@ARGV != 1) { + print <<EOT; +Usage: setlocalversion <srctree> +EOT + exit(1); +} + +my ($srctree) = @ARGV; +chdir($srctree); + +my @LOCALVERSIONS = (); + +# We are going to use the following commands to try and determine if this +# repository is at a Version boundary (i.e, 2.6.10 vs 2.6.10 + some patches) We +# currently assume that all meaningful version boundaries are marked by a tag. +# We don't care what the tag is, just that something exists. + +# Git/Cogito store the top-of-tree "commit" in .git/HEAD +# A list of known tags sits in .git/refs/tags/ +# +# The simple trick here is to just compare the two of these, and if we get a +# match, return nothing, otherwise, return a subset of the SHA-1 hash in +# .git/HEAD + +sub do_git_checks { + open(H,"<.git/HEAD") or return; + my $head = <H>; + chomp $head; + close(H); + + opendir(D,".git/refs/tags") or return; + foreach my $tagfile (grep !/^\.{1,2}$/, readdir(D)) { + open(F,"<.git/refs/tags/" . $tagfile) or return; + my $tag = <F>; + chomp $tag; + close(F); + return if ($tag eq $head); + } + closedir(D); + + push @LOCALVERSIONS, "g" . substr($head,0,8); +} + +if ( -d ".git") { + do_git_checks(); +} + +printf "-%s\n", join("-",@LOCALVERSIONS) if (scalar @LOCALVERSIONS > 0); diff --git a/usr/Kconfig b/usr/Kconfig new file mode 100644 index 000000000000..07727f3c7cea --- /dev/null +++ b/usr/Kconfig @@ -0,0 +1,46 @@ +# +# Configuration for initramfs +# + +config INITRAMFS_SOURCE + string "Initramfs source file(s)" + default "" + help + This can be either a single cpio archive with a .cpio suffix or a + space-separated list of directories and files for building the + initramfs image. A cpio archive should contain a filesystem archive + to be used as an initramfs image. Directories should contain a + filesystem layout to be included in the initramfs image. Files + should contain entries according to the format described by the + "usr/gen_init_cpio" program in the kernel tree. + + When multiple directories and files are specified then the + initramfs image will be the aggregate of all of them. + + See <file:Documentation/early-userspace/README for more details. + + If you are not sure, leave it blank. + +config INITRAMFS_ROOT_UID + int "User ID to map to 0 (user root)" + depends on INITRAMFS_SOURCE!="" + default "0" + help + This setting is only meaningful if the INITRAMFS_SOURCE is + contains a directory. Setting this user ID (UID) to something + other than "0" will cause all files owned by that UID to be + owned by user root in the initial ramdisk image. + + If you are not sure, leave it set to "0". + +config INITRAMFS_ROOT_GID + int "Group ID to map to 0 (group root)" + depends on INITRAMFS_SOURCE!="" + default "0" + help + This setting is only meaningful if the INITRAMFS_SOURCE is + contains a directory. Setting this group ID (GID) to something + other than "0" will cause all files owned by that GID to be + owned by group root in the initial ramdisk image. + + If you are not sure, leave it set to "0". diff --git a/usr/Makefile b/usr/Makefile index 248d5551029d..e2129cb570bb 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -27,7 +27,7 @@ quotefixed_initramfs_source := $(shell echo $(CONFIG_INITRAMFS_SOURCE)) filechk_initramfs_list = $(CONFIG_SHELL) \ $(srctree)/scripts/gen_initramfs_list.sh $(gen_initramfs_args) $(quotefixed_initramfs_source) -$(obj)/initramfs_list: FORCE +$(obj)/initramfs_list: $(obj)/Makefile FORCE $(call filechk,initramfs_list) quiet_cmd_cpio = CPIO $@ |