X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Makefile;h=fc8e08c419f09e81252f3aa41cb7f47524c0af60;hb=fb6a82c94a9c69adfb6b9f6ce9f84be36884e471;hp=eca667b4098e6ead81106c2324148ea43dbed405;hpb=0131705d589e2341dbc5e8946a60f83d8c1773dc;p=linux-2.6 diff --git a/Makefile b/Makefile index eca667b409..fc8e08c419 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 -SUBLEVEL = 16 -EXTRAVERSION =-rc4 +SUBLEVEL = 17 +EXTRAVERSION =-rc1 NAME=Sliding Snow Leopard # *DOCUMENTATION* @@ -306,8 +306,7 @@ LINUXINCLUDE := -Iinclude \ CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE) CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ - -fno-strict-aliasing -fno-common \ - -ffreestanding + -fno-strict-aliasing -fno-common AFLAGS := -D__ASSEMBLY__ # Read KERNELRELEASE from .kernelrelease (if it exists) @@ -472,19 +471,16 @@ else CFLAGS += -O2 endif -#Add align options if CONFIG_CC_* is not equal to 0 -add-align = $(if $(filter-out 0,$($(1))),$(cc-option-align)$(2)=$($(1))) -CFLAGS += $(call add-align,CONFIG_CC_ALIGN_FUNCTIONS,-functions) -CFLAGS += $(call add-align,CONFIG_CC_ALIGN_LABELS,-labels) -CFLAGS += $(call add-align,CONFIG_CC_ALIGN_LOOPS,-loops) -CFLAGS += $(call add-align,CONFIG_CC_ALIGN_JUMPS,-jumps) - ifdef CONFIG_FRAME_POINTER CFLAGS += -fno-omit-frame-pointer $(call cc-option,-fno-optimize-sibling-calls,) else CFLAGS += -fomit-frame-pointer endif +ifdef CONFIG_UNWIND_INFO +CFLAGS += -fasynchronous-unwind-tables +endif + ifdef CONFIG_DEBUG_INFO CFLAGS += -g endif @@ -1001,9 +997,9 @@ distclean: mrproper package-dir := $(srctree)/scripts/package %pkg: FORCE - $(Q)$(MAKE) -f $(package-dir)/Makefile $@ + $(Q)$(MAKE) $(build)=$(package-dir) $@ rpm: FORCE - $(Q)$(MAKE) -f $(package-dir)/Makefile $@ + $(Q)$(MAKE) $(build)=$(package-dir) $@ # Brief documentation of the typical targets used @@ -1035,13 +1031,11 @@ help: @echo ' kernelversion - Output the version stored in Makefile' @echo '' @echo 'Static analysers' - @echo ' buildcheck - List dangling references to vmlinux discarded sections' - @echo ' and init sections from non-init sections' @echo ' checkstack - Generate a list of stack hogs' @echo ' namespacecheck - Name space analysis on compiled kernel' @echo '' @echo 'Kernel packaging:' - @$(MAKE) -f $(package-dir)/Makefile help + @$(MAKE) $(build)=$(package-dir) help @echo '' @echo 'Documentation targets:' @$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp @@ -1118,7 +1112,6 @@ modules_install: _emodinst_ _emodinst_post install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra) PHONY += _emodinst_ _emodinst_: - $(Q)rm -rf $(MODLIB)/$(install-dir) $(Q)mkdir -p $(MODLIB)/$(install-dir) $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.modinst @@ -1262,10 +1255,6 @@ versioncheck: -name '*.[hcS]' -type f -print | sort \ | xargs $(PERL) -w scripts/checkversion.pl -buildcheck: - $(PERL) $(srctree)/scripts/reference_discarded.pl - $(PERL) $(srctree)/scripts/reference_init.pl - namespacecheck: $(PERL) $(srctree)/scripts/namespace.pl @@ -1285,40 +1274,43 @@ kernelversion: # Single targets # --------------------------------------------------------------------------- -# The directory part is taken from first prerequisite, so this -# works even with external modules +# Single targets are compatible with: +# - build whith mixed source and output +# - build with separate output dir 'make O=...' +# - external modules +# +# target-dir => where to store outputfile +# build-dir => directory in kernel source tree to use + +ifeq ($(KBUILD_EXTMOD),) + build-dir = $(patsubst %/,%,$(dir $@)) + 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 + %.s: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(dir $<) $(dir $<)$(notdir $@) + $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) %.i: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(dir $<) $(dir $<)$(notdir $@) + $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) %.o: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(dir $<) $(dir $<)$(notdir $@) + $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) %.lst: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(dir $<) $(dir $<)$(notdir $@) + $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) %.s: %.S prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(dir $<) $(dir $<)$(notdir $@) + $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) %.o: %.S prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(dir $<) $(dir $<)$(notdir $@) - -# For external modules we shall include any directory of the target, -# but usual case there is no directory part. -# make M=`pwd` module.o => $(dir $@)=./ -# make M=`pwd` foo/module.o => $(dir $@)=foo/ -# make M=`pwd` / => $(dir $@)=/ - -ifeq ($(KBUILD_EXTMOD),) - target-dir = $(@D) -else - zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) - target-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) -endif + $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) -/ %/: scripts prepare FORCE +# Modules +/ %/: prepare scripts FORCE $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ - $(build)=$(target-dir) -%.ko: scripts FORCE + $(build)=$(build-dir) +%.ko: prepare scripts FORCE $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ - $(build)=$(target-dir) $(@:.ko=.o) + $(build)=$(build-dir) $(@:.ko=.o) $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.modpost # FIXME Should go into a make.lib or something