X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=Makefile;h=e9c5d47f31cdb42f8b98fc28065446a85fe7d2f6;hb=e4625eb826de4f6774ee602c442ba23b686bdcc7;hp=0f84c742ed0e1c8363d27121fb2ce563fb582bc7;hpb=310f8243a602e9ae950e81b17cbd18a4246674f9;p=safe%2Fjmp%2Flinux-2.6 diff --git a/Makefile b/Makefile index 0f84c74..e9c5d47 100644 --- a/Makefile +++ b/Makefile @@ -1,8 +1,8 @@ VERSION = 2 PATCHLEVEL = 6 -SUBLEVEL = 24 -EXTRAVERSION = -NAME = Arr Matey! A Hairy Bilge Rat! +SUBLEVEL = 28 +EXTRAVERSION = -rc2 +NAME = Killer Bat of Doom # *DOCUMENTATION* # To see a list of typical targets execute "make help" @@ -189,7 +189,7 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ # Alternatively CROSS_COMPILE can be set in the environment. # Default value for CROSS_COMPILE is not to prefix executables # Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile - +export KBUILD_BUILDHOST := $(SUBARCH) ARCH ?= $(SUBARCH) CROSS_COMPILE ?= @@ -205,6 +205,13 @@ ifeq ($(ARCH),x86_64) SRCARCH := x86 endif +# Where to locate arch specific headers +ifeq ($(ARCH),sparc64) + hdr-arch := sparc +else + hdr-arch := $(SRCARCH) +endif + KCONFIG_CONFIG ?= .config # SHELL used by kbuild @@ -326,7 +333,8 @@ AFLAGS_KERNEL = # Needed to be compatible with the O= option LINUXINCLUDE := -Iinclude \ $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) \ - -include include/linux/autoconf.h + -I$(srctree)/arch/$(hdr-arch)/include \ + -include include/linux/autoconf.h KBUILD_CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE) @@ -429,7 +437,7 @@ ifeq ($(config-targets),1) # KBUILD_DEFCONFIG may point out an alternative default configuration # used for 'make defconfig' include $(srctree)/arch/$(SRCARCH)/Makefile -export KBUILD_DEFCONFIG +export KBUILD_DEFCONFIG KBUILD_KCONFIG config %config: scripts_basic outputmakefile FORCE $(Q)mkdir -p include/linux include/config @@ -450,7 +458,7 @@ scripts: scripts_basic include/config/auto.conf # Objects we will link into vmlinux / subdirs we need to visit init-y := init/ -drivers-y := drivers/ sound/ +drivers-y := drivers/ sound/ firmware/ net-y := net/ libs-y := lib/ core-y := usr/ @@ -509,6 +517,14 @@ endif include $(srctree)/arch/$(SRCARCH)/Makefile +ifneq (CONFIG_FRAME_WARN,0) +KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN}) +endif + +# Force gcc to behave correct even for buggy distributions +# Arch Makefiles may override this setting +KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) + ifdef CONFIG_FRAME_POINTER KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls else @@ -520,14 +536,15 @@ KBUILD_CFLAGS += -g KBUILD_AFLAGS += -gdwarf-2 endif +ifdef CONFIG_FTRACE +KBUILD_CFLAGS += -pg +endif + # We trigger additional mismatches with less inlining ifdef CONFIG_DEBUG_SECTION_MISMATCH KBUILD_CFLAGS += $(call cc-option, -fno-inline-functions-called-once) endif -# Force gcc to behave correct even for buggy distributions -KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) - # arch Makefile may override CC so keep this after arch Makefile is included NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) CHECKFLAGS += $(NOSTDINC_FLAGS) @@ -789,7 +806,7 @@ endif # ifdef CONFIG_KALLSYMS quiet_cmd_vmlinux-modpost = LD $@ cmd_vmlinux-modpost = $(LD) $(LDFLAGS) -r -o $@ \ $(vmlinux-init) --start-group $(vmlinux-main) --end-group \ - $(filter-out $(vmlinux-init) $(vmlinux-main) $(vmlinux-lds) FORCE ,$^) + $(filter-out $(vmlinux-init) $(vmlinux-main) FORCE ,$^) define rule_vmlinux-modpost : +$(call cmd,vmlinux-modpost) @@ -805,13 +822,20 @@ endif ifdef CONFIG_SAMPLES $(Q)$(MAKE) $(build)=samples endif +ifdef CONFIG_BUILD_DOCSRC + $(Q)$(MAKE) $(build)=Documentation +endif $(call vmlinux-modpost) $(call if_changed_rule,vmlinux__) $(Q)rm -f .old_version # build vmlinux.o first to catch section mismatch errors early -$(kallsyms.o): vmlinux.o -vmlinux.o: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) FORCE +ifdef CONFIG_KALLSYMS +.tmp_vmlinux1: vmlinux.o +endif + +modpost-init := $(filter-out init/built-in.o, $(vmlinux-init)) +vmlinux.o: $(modpost-init) $(vmlinux-main) FORCE $(call if_changed_rule,vmlinux-modpost) # The actual objects are generated when descending, @@ -908,8 +932,10 @@ ifneq ($(KBUILD_SRC),) echo " in the '$(srctree)' directory.";\ /bin/false; \ fi; - $(Q)if [ ! -d include2 ]; then mkdir -p include2; fi; - $(Q)ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm + $(Q)if [ ! -d include2 ]; then \ + mkdir -p include2; \ + ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm; \ + fi endif # prepare2 creates a makefile if using a separate output directory @@ -935,22 +961,34 @@ export CPPFLAGS_vmlinux.lds += -P -C -U$(ARCH) # The asm symlink changes when $(ARCH) changes. # Detect this and ask user to run make mrproper - -include/asm: FORCE - $(Q)set -e; asmlink=`readlink include/asm | cut -d '-' -f 2`; \ - if [ -L include/asm ]; then \ - if [ "$$asmlink" != "$(SRCARCH)" ]; then \ +define check-symlink + set -e; \ + if [ -L include/asm ]; then \ + asmlink=`readlink include/asm | cut -d '-' -f 2`; \ + if [ "$$asmlink" != "$(SRCARCH)" ]; then \ echo "ERROR: the symlink $@ points to asm-$$asmlink but asm-$(SRCARCH) was expected"; \ echo " set ARCH or save .config and run 'make mrproper' to fix it"; \ - exit 1; \ - fi; \ - else \ - echo ' SYMLINK $@ -> include/asm-$(SRCARCH)'; \ - if [ ! -d include ]; then \ - mkdir -p include; \ - fi; \ - ln -fsn asm-$(SRCARCH) $@; \ + exit 1; \ + fi; \ + fi +endef + +# We create the target directory of the symlink if it does +# not exist so the test in chack-symlink works and we have a +# directory for generated filesas used by some architectures. +define create-symlink + if [ ! -L include/asm ]; then \ + echo ' SYMLINK $@ -> include/asm-$(SRCARCH)'; \ + if [ ! -d include/asm-$(SRCARCH) ]; then \ + mkdir -p include/asm-$(SRCARCH); \ + fi; \ + ln -fsn asm-$(SRCARCH) $@; \ fi +endef + +include/asm: FORCE + $(Q)$(check-symlink) + $(Q)$(create-symlink) # Generate some files # --------------------------------------------------------------------------- @@ -986,37 +1024,54 @@ depend dep: @echo '*** Warning: make $@ is unnecessary now.' # --------------------------------------------------------------------------- +# 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 + +# --------------------------------------------------------------------------- # Kernel headers -INSTALL_HDR_PATH=$(objtree)/usr -export INSTALL_HDR_PATH -HDRFILTER=generic i386 x86_64 -HDRARCHES=$(filter-out $(HDRFILTER),$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild))) +#Default location for installed headers +export INSTALL_HDR_PATH = $(objtree)/usr -PHONY += headers_install_all -headers_install_all: include/linux/version.h scripts_basic FORCE +hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj +# Find out where the Kbuild file is located to support +# arch/$(ARCH)/include/asm +hdr-dir = $(strip \ + $(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/asm/Kbuild), \ + arch/$(hdr-arch)/include/asm, include/asm-$(hdr-arch))) + +# 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) + +PHONY += __headers +__headers: include/linux/version.h scripts_basic FORCE $(Q)$(MAKE) $(build)=scripts scripts/unifdef - $(Q)for arch in $(HDRARCHES); do \ - $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\ - done + +PHONY += headers_install_all +headers_install_all: + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install PHONY += headers_install -headers_install: include/linux/version.h scripts_basic FORCE - @if [ ! -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \ - echo '*** Error: Headers not exportable for this architecture ($(SRCARCH))'; \ - exit 1 ; fi - $(Q)$(MAKE) $(build)=scripts scripts/unifdef - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst ARCH=$(SRCARCH) obj=include +headers_install: __headers + $(if $(wildcard $(srctree)/$(hdr-dir)/Kbuild),, \ + $(error Headers not exportable for the $(SRCARCH) architecture)) + $(Q)$(MAKE) $(hdr-inst)=include + $(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst) PHONY += headers_check_all headers_check_all: headers_install_all - $(Q)for arch in $(HDRARCHES); do \ - $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch HDRCHECK=1 ;\ - done + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check PHONY += headers_check headers_check: headers_install - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst ARCH=$(SRCARCH) obj=include HDRCHECK=1 + $(Q)$(MAKE) $(hdr-inst)=include HDRCHECK=1 + $(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst) HDRCHECK=1 # --------------------------------------------------------------------------- # Modules @@ -1038,6 +1093,7 @@ modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order @echo ' Building modules, stage 2.'; $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild # Target to prepare building external modules @@ -1071,6 +1127,7 @@ _modinst_: # boot script depmod is the master version. PHONY += _modinst_post _modinst_post: _modinst_ + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst $(call cmd,depmod) else # CONFIG_MODULES @@ -1105,13 +1162,14 @@ MRPROPER_DIRS += include/config include2 usr/include MRPROPER_FILES += .config .config.old include/asm .version .old_version \ include/linux/autoconf.h include/linux/version.h \ include/linux/utsrelease.h \ - Module.symvers tags TAGS cscope* + include/linux/bounds.h include/asm*/asm-offsets.h \ + Module.symvers Module.markers tags TAGS cscope* # clean - Delete most, but leave enough to build external modules # clean: rm-dirs := $(CLEAN_DIRS) clean: rm-files := $(CLEAN_FILES) -clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs)) +clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs) Documentation) PHONY += $(clean-dirs) clean archclean $(clean-dirs): @@ -1123,7 +1181,8 @@ clean: archclean $(clean-dirs) @find . $(RCS_FIND_IGNORE) \ \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ - -o -name '*.symtypes' -o -name 'modules.order' \) \ + -o -name '*.symtypes' -o -name 'modules.order' \ + -o -name 'Module.markers' -o -name '.tmp_*.o.*' \) \ -type f -print | xargs rm -f # mrproper - Delete all generated files, including .config @@ -1167,8 +1226,10 @@ rpm: include/config/kernel.release FORCE # Brief documentation of the typical targets used # --------------------------------------------------------------------------- -boards := $(wildcard $(srctree)/arch/$(ARCH)/configs/*_defconfig) +boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig) boards := $(notdir $(boards)) +board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig)) +board-dirs := $(sort $(notdir $(board-dirs:/=))) help: @echo 'Cleaning targets:' @@ -1185,6 +1246,8 @@ help: @echo '* vmlinux - Build the bare kernel' @echo '* modules - Build all modules' @echo ' modules_install - Install all modules to INSTALL_MOD_PATH (default: /)' + @echo ' firmware_install- Install all firmware to INSTALL_FW_PATH' + @echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)' @echo ' dir/ - Build all files in dir and below' @echo ' dir/file.[ois] - Build specified target only' @echo ' dir/file.ko - Build module including final link' @@ -1193,35 +1256,36 @@ help: @echo ' cscope - Generate cscope index' @echo ' kernelrelease - Output the release version string' @echo ' kernelversion - Output the version stored in Makefile' - @if [ -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \ - echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ + @echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ echo ' (default: $(INSTALL_HDR_PATH))'; \ - fi - @echo '' + echo '' @echo 'Static analysers' @echo ' checkstack - Generate a list of stack hogs' @echo ' namespacecheck - Name space analysis on compiled kernel' @echo ' versioncheck - Sanity check on version.h usage' @echo ' includecheck - Check for duplicate included header files' @echo ' export_report - List the usages of all exported symbols' - @if [ -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \ - echo ' headers_check - Sanity check on exported headers'; \ - fi - @echo '' + @echo ' headers_check - Sanity check on exported headers'; \ + echo '' @echo 'Kernel packaging:' @$(MAKE) $(build)=$(package-dir) help @echo '' @echo 'Documentation targets:' @$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp @echo '' - @echo 'Architecture specific targets ($(ARCH)):' + @echo 'Architecture specific targets ($(SRCARCH)):' @$(if $(archhelp),$(archhelp),\ - echo ' No architecture specific help defined for $(ARCH)') + echo ' No architecture specific help defined for $(SRCARCH)') @echo '' @$(if $(boards), \ $(foreach b, $(boards), \ printf " %-24s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \ echo '') + @$(if $(board-dirs), \ + $(foreach b, $(board-dirs), \ + printf " %-16s - Show %s-specific targets\\n" help-$(b) $(b);) \ + printf " %-16s - Show all of the above\\n" help-boards; \ + echo '') @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' @echo ' make V=2 [targets] 2 => give reason for rebuild of target' @@ -1233,6 +1297,20 @@ help: @echo 'For further info see the ./README file' +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\\n" $*/$(b) $(subst _defconfig,,$(b));) \ + echo '') + + # Documentation targets # --------------------------------------------------------------------------- %docs: scripts_basic FORCE @@ -1361,7 +1439,11 @@ define find-sources \( -name config -o -name 'asm-*' \) -prune \ -o -name $1 -print; \ for arch in $(ALLINCLUDE_ARCHS) ; do \ - find $(__srctree)include/asm-$${arch} $(RCS_FIND_IGNORE) \ + test -e $(__srctree)include/asm-$${arch} && \ + find $(__srctree)include/asm-$${arch} $(RCS_FIND_IGNORE) \ + -name $1 -print; \ + test -e $(__srctree)arch/$${arch}/include/asm && \ + find $(__srctree)arch/$${arch}/include/asm $(RCS_FIND_IGNORE) \ -name $1 -print; \ done ; \ find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \ @@ -1393,7 +1475,7 @@ define xtags $(all-kconfigs) | xargs $1 -a \ --langdef=kconfig \ --language-force=kconfig \ - --regex-kconfig='/^[[:blank:]]*config[[:blank:]]+([[:alnum:]_]+)/\1/'; \ + --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'; \ $(all-defconfigs) | xargs -r $1 -a \ --langdef=dotconfig \ --language-force=dotconfig \ @@ -1401,7 +1483,7 @@ define xtags elif $1 --version 2>&1 | grep -iq emacs; then \ $(all-sources) | xargs $1 -a; \ $(all-kconfigs) | xargs $1 -a \ - --regex='/^[ \t]*config[ \t]+\([a-zA-Z0-9_]+\)/\1/'; \ + --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'; \ $(all-defconfigs) | xargs -r $1 -a \ --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'; \ else \ @@ -1413,7 +1495,7 @@ quiet_cmd_cscope-file = FILELST cscope.files cmd_cscope-file = (echo \-k; echo \-q; $(all-sources)) > cscope.files quiet_cmd_cscope = MAKE cscope.out - cmd_cscope = cscope -b + cmd_cscope = cscope -b -f cscope.out cscope: FORCE $(call cmd,cscope-file) @@ -1484,7 +1566,7 @@ kernelversion: # Single targets # --------------------------------------------------------------------------- # Single targets are compatible with: -# - build whith mixed source and output +# - build with mixed source and output # - build with separate output dir 'make O=...' # - external modules # @@ -1535,8 +1617,7 @@ quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) cmd_rmfiles = rm -f $(rm-files) -# Run depmod only is we have System.map and depmod is executable -# and we build for the host arch +# Run depmod only if we have System.map and depmod is executable quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) cmd_depmod = \ if [ -r System.map -a -x $(DEPMOD) ]; then \