X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=Makefile;h=7f9ff9bf1544049db441f9d0be0da6df628cd0d5;hb=f7160c7573615ec82c691e294cf80d920b5d588d;hp=3cad7db5eba7a7570b392f5d5b4c99b794ee71e5;hpb=44463f7dd6c8039904333e4374e5c6e9ad83006f;p=safe%2Fjmp%2Flinux-2.6 diff --git a/Makefile b/Makefile index 3cad7db..7f9ff9b 100644 --- a/Makefile +++ b/Makefile @@ -1,8 +1,8 @@ VERSION = 2 PATCHLEVEL = 6 -SUBLEVEL = 26 -EXTRAVERSION = -NAME = Rotary Wombat +SUBLEVEL = 28 +EXTRAVERSION = -rc4 +NAME = Killer Bat of Doom # *DOCUMENTATION* # To see a list of typical targets execute "make help" @@ -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 @@ -528,7 +536,7 @@ KBUILD_CFLAGS += -g KBUILD_AFLAGS += -gdwarf-2 endif -ifdef CONFIG_FTRACE +ifdef CONFIG_FUNCTION_TRACER KBUILD_CFLAGS += -pg endif @@ -814,6 +822,9 @@ 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__) $(Q)rm -f .old_version @@ -921,8 +932,10 @@ ifneq ($(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 @@ -948,22 +961,39 @@ 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 [ "$$asmlink" != "$(SRCARCH)" ]; then \ +# If asm is a stale symlink (point to dir that does not exist) remove it +define check-symlink + set -e; \ + if [ -L include/asm ]; then \ + asmlink=`readlink include/asm | cut -d '-' -f 2`; \ + if [ "$$asmlink" != "$(SRCARCH)" ]; then \ echo "ERROR: the symlink $@ points to asm-$$asmlink but asm-$(SRCARCH) was expected"; \ echo " set ARCH or save .config and run 'make mrproper' to fix it"; \ - exit 1; \ - fi; \ - else \ - echo ' SYMLINK $@ -> include/asm-$(SRCARCH)'; \ - if [ ! -d include ]; then \ - mkdir -p include; \ - fi; \ - ln -fsn asm-$(SRCARCH) $@; \ + exit 1; \ + fi; \ + test -e $$asmlink || rm include/asm; \ + elif [ -d include/asm ]; then \ + echo "ERROR: $@ is a directory but a symlink was expected";\ + exit 1; \ + 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 # --------------------------------------------------------------------------- @@ -1010,36 +1040,43 @@ firmware_install: FORCE # --------------------------------------------------------------------------- # 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 @@ -1131,13 +1168,13 @@ MRPROPER_FILES += .config .config.old include/asm .version .old_version \ include/linux/autoconf.h include/linux/version.h \ include/linux/utsrelease.h \ include/linux/bounds.h include/asm*/asm-offsets.h \ - Module.symvers tags TAGS cscope* + 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): @@ -1150,7 +1187,7 @@ clean: archclean $(clean-dirs) \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ -o -name '*.symtypes' -o -name 'modules.order' \ - -o -name 'Module.markers' \) \ + -o -name 'Module.markers' -o -name '.tmp_*.o.*' \) \ -type f -print | xargs rm -f # mrproper - Delete all generated files, including .config @@ -1224,21 +1261,17 @@ 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 '' @@ -1403,7 +1436,8 @@ ALLSOURCE_ARCHS := $(SRCARCH) define find-sources ( for arch in $(ALLSOURCE_ARCHS) ; do \ find $(__srctree)arch/$${arch} $(RCS_FIND_IGNORE) \ - -name $1 -print; \ + -wholename $(__srctree)arch/$${arch}/include/asm -type d -prune \ + -o -name $1 -print; \ done ; \ find $(__srctree)security/selinux/include $(RCS_FIND_IGNORE) \ -name $1 -print; \ @@ -1411,7 +1445,11 @@ 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) \ @@ -1463,7 +1501,7 @@ 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)