X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=Makefile;h=60de4ef312547da0264a363c87d0165626a6db8c;hb=c90b07e8dd9f263d2e2af1d9648ba269f4d0d8fd;hp=681c1d23b4d4f813703667516f9966d9d701d915;hpb=8e4921515c1a379539607eb443d51c30f4f7f338;p=safe%2Fjmp%2Flinux-2.6 diff --git a/Makefile b/Makefile index 681c1d2..60de4ef 100644 --- a/Makefile +++ b/Makefile @@ -1,8 +1,8 @@ VERSION = 2 PATCHLEVEL = 6 -SUBLEVEL = 29 -EXTRAVERSION = -rc4 -NAME = Erotic Pickled Herring +SUBLEVEL = 31 +EXTRAVERSION = +NAME = Man-Eating Seals of Antiquity # *DOCUMENTATION* # To see a list of typical targets execute "make help" @@ -35,10 +35,8 @@ MAKEFLAGS += -rR --no-print-directory # To put more focus on warnings, be less verbose as default # Use 'make V=1' to see the full commands -ifdef V - ifeq ("$(origin V)", "command line") - KBUILD_VERBOSE = $(V) - endif +ifeq ("$(origin V)", "command line") + KBUILD_VERBOSE = $(V) endif ifndef KBUILD_VERBOSE KBUILD_VERBOSE = 0 @@ -54,10 +52,8 @@ endif # See the file "Documentation/sparse.txt" for more details, including # where to get the "sparse" utility. -ifdef C - ifeq ("$(origin C)", "command line") - KBUILD_CHECKSRC = $(C) - endif +ifeq ("$(origin C)", "command line") + KBUILD_CHECKSRC = $(C) endif ifndef KBUILD_CHECKSRC KBUILD_CHECKSRC = 0 @@ -69,12 +65,10 @@ endif ifdef SUBDIRS KBUILD_EXTMOD ?= $(SUBDIRS) endif -ifdef M - ifeq ("$(origin M)", "command line") - KBUILD_EXTMOD := $(M) - endif -endif +ifeq ("$(origin M)", "command line") + KBUILD_EXTMOD := $(M) +endif # kbuild supports saving output files in a separate directory. # To locate output files in a separate directory two syntaxes are supported. @@ -98,10 +92,8 @@ ifeq ($(KBUILD_SRC),) # OK, Make called in directory where kernel src resides # Do we want to locate output files in a separate directory? -ifdef O - ifeq ("$(origin O)", "command line") - KBUILD_OUTPUT := $(O) - endif +ifeq ("$(origin O)", "command line") + KBUILD_OUTPUT := $(O) endif # That's our default target when none is given on the command line @@ -148,15 +140,13 @@ _all: modules endif srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) -TOPDIR := $(srctree) -# FIXME - TOPDIR is obsolete, use srctree/objtree objtree := $(CURDIR) src := $(srctree) obj := $(objtree) VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) -export srctree objtree VPATH TOPDIR +export srctree objtree VPATH # SUBARCH tells the usermode build what the underlying arch is. That is set @@ -169,7 +159,7 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ -e s/arm.*/arm/ -e s/sa110/arm/ \ -e s/s390x/s390/ -e s/parisc64/parisc/ \ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ - -e s/sh.*/sh/ ) + -e s/sh[234].*/sh/ ) # Cross compiling and selecting different set of gcc/bin-utils # --------------------------------------------------------------------------- @@ -210,6 +200,11 @@ ifeq ($(ARCH),sparc64) SRCARCH := sparc endif +# Additional ARCH settings for sh +ifeq ($(ARCH),sh64) + SRCARCH := sh +endif + # Where to locate arch specific headers hdr-arch := $(SRCARCH) @@ -333,6 +328,7 @@ AFLAGS_MODULE = $(MODFLAGS) LDFLAGS_MODULE = CFLAGS_KERNEL = AFLAGS_KERNEL = +CFLAGS_GCOV = -fprofile-arcs -ftest-coverage # Use LINUXINCLUDE when you must reference the include/ directory. @@ -346,7 +342,9 @@ KBUILD_CPPFLAGS := -D__KERNEL__ KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common \ - -Werror-implicit-function-declaration + -Werror-implicit-function-declaration \ + -Wno-format-security \ + -fno-delete-null-pointer-checks KBUILD_AFLAGS := -D__ASSEMBLY__ # Read KERNELRELEASE from include/config/kernel.release (if it exists) @@ -359,7 +357,7 @@ export CPP AR NM STRIP OBJCOPY OBJDUMP MAKE AWK GENKSYMS PERL UTS_MACHINE export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS -export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE +export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE # When compiling out-of-tree modules, put MODVERDIR in the module @@ -389,6 +387,7 @@ PHONY += outputmakefile # output directory. outputmakefile: ifneq ($(KBUILD_SRC),) + $(Q)ln -fsn $(srctree) source $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) endif @@ -527,13 +526,14 @@ endif include $(srctree)/arch/$(SRCARCH)/Makefile -ifneq (CONFIG_FRAME_WARN,0) +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 +ifndef CONFIG_CC_STACKPROTECTOR KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) +endif ifdef CONFIG_FRAME_POINTER KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls @@ -565,6 +565,12 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) # disable pointer signed / unsigned warnings in gcc 4.0 KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,) +# disable invalid "can't wrap" optimizations for signed / pointers +KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) + +# revert to pre-gcc-4.4 behaviour of .eh_frame +KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) + # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments # But warn user when we do so warn-assign = \ @@ -589,6 +595,10 @@ LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\ LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID) LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID) +ifeq ($(CONFIG_STRIP_ASM_SYMS),y) +LDFLAGS_vmlinux += -X +endif + # Default kernel image to build when no specific target is given. # KBUILD_IMAGE may be overruled on the command line or # set in the environment @@ -903,12 +913,18 @@ localver = $(subst $(space),, $(string) \ # and if the SCM is know a tag from the SCM is appended. # The appended tag is determined by the SCM used. # -# Currently, only git is supported. -# Other SCMs can edit scripts/setlocalversion and add the appropriate -# checks as needed. +# .scmversion is used when generating rpm packages so we do not loose +# the version information from the SCM when we do the build of the kernel +# from the copied source ifdef CONFIG_LOCALVERSION_AUTO - _localver-auto = $(shell $(CONFIG_SHELL) \ - $(srctree)/scripts/setlocalversion $(srctree)) + +ifeq ($(wildcard .scmversion),) + _localver-auto = $(shell $(CONFIG_SHELL) \ + $(srctree)/scripts/setlocalversion $(srctree)) +else + _localver-auto = $(shell cat .scmversion 2> /dev/null) +endif + localver-auto = $(LOCALVERSION)$(_localver-auto) endif @@ -946,7 +962,6 @@ ifneq ($(KBUILD_SRC),) mkdir -p include2; \ ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm; \ fi - ln -fsn $(srctree) source endif # prepare2 creates a makefile if using a separate output directory @@ -1178,7 +1193,7 @@ CLEAN_FILES += vmlinux System.map \ .tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map # Directories & files removed with 'make mrproper' -MRPROPER_DIRS += include/config include2 usr/include +MRPROPER_DIRS += include/config include2 usr/include include/generated MRPROPER_FILES += .config .config.old include/asm .version .old_version \ include/linux/autoconf.h include/linux/version.h \ include/linux/utsrelease.h \ @@ -1202,8 +1217,8 @@ clean: archclean $(clean-dirs) \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ -o -name '*.symtypes' -o -name 'modules.order' \ - -o -name 'Module.markers' -o -name '.tmp_*.o.*' \) \ - -type f -print | xargs rm -f + -o -name 'Module.markers' -o -name '.tmp_*.o.*' \ + -o -name '*.gcno' \) -type f -print | xargs rm -f # mrproper - Delete all generated files, including .config # @@ -1271,7 +1286,7 @@ help: @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' - @echo ' prepare - Set up for building external modules' + @echo ' modules_prepare - Set up for building external modules' @echo ' tags/TAGS - Generate tags file for editors' @echo ' cscope - Generate cscope index' @echo ' kernelrelease - Output the release version string' @@ -1399,14 +1414,16 @@ $(clean-dirs): $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) clean: rm-dirs := $(MODVERDIR) -clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers +clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers \ + $(KBUILD_EXTMOD)/Module.markers \ + $(KBUILD_EXTMOD)/modules.order clean: $(clean-dirs) $(call cmd,rmdirs) $(call cmd,rmfiles) @find $(KBUILD_EXTMOD) $(RCS_FIND_IGNORE) \ \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ - -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \) \ - -type f -print | xargs rm -f + -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ + -o -name '*.gcno' \) -type f -print | xargs rm -f help: @echo ' Building external modules.' @@ -1537,7 +1554,7 @@ quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) cmd_depmod = \ if [ -r System.map -a -x $(DEPMOD) ]; then \ $(DEPMOD) -ae -F System.map \ - $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) -r) \ + $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) ) \ $(KERNELRELEASE); \ fi @@ -1574,5 +1591,5 @@ PHONY += FORCE FORCE: # Declare the contents of the .PHONY variable as phony. We keep that -# information in a variable se we can use it in if_changed and friends. +# information in a variable so we can use it in if_changed and friends. .PHONY: $(PHONY)