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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
  kbuild: fix kbuild.txt typos
  kbuild: print usage with no arguments in scripts/config
  Revert "kbuild: strip generated symbols from *.ko"
This commit is contained in:
Linus Torvalds 2009-01-26 15:10:37 -08:00
commit 2034563ca3
14 changed files with 185 additions and 251 deletions
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59
Makefile
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@ -610,25 +610,20 @@ export INSTALL_PATH ?= /boot
MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE)
export MODLIB
strip-symbols := $(srctree)/scripts/strip-symbols \
$(wildcard $(srctree)/arch/$(ARCH)/scripts/strip-symbols)
#
# INSTALL_MOD_STRIP, if defined, will cause modules to be stripped while
# they get installed. If INSTALL_MOD_STRIP is '1', then the default
# options (see below) will be used. Otherwise, INSTALL_MOD_STRIP will
# be used as the option(s) to the objcopy command.
# INSTALL_MOD_STRIP, if defined, will cause modules to be
# stripped after they are installed. If INSTALL_MOD_STRIP is '1', then
# the default option --strip-debug will be used. Otherwise,
# INSTALL_MOD_STRIP will used as the options to the strip command.
ifdef INSTALL_MOD_STRIP
ifeq ($(INSTALL_MOD_STRIP),1)
mod_strip_cmd = $(OBJCOPY) --strip-debug
ifeq ($(CONFIG_KALLSYMS_ALL),$(CONFIG_KALLSYMS_STRIP_GENERATED))
mod_strip_cmd += --wildcard $(addprefix --strip-symbols ,$(strip-symbols))
endif
mod_strip_cmd = $(STRIP) --strip-debug
else
mod_strip_cmd = $(OBJCOPY) $(INSTALL_MOD_STRIP)
mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP)
endif # INSTALL_MOD_STRIP=1
else
mod_strip_cmd = false
mod_strip_cmd = true
endif # INSTALL_MOD_STRIP
export mod_strip_cmd
@ -758,7 +753,6 @@ last_kallsyms := 2
endif
kallsyms.o := .tmp_kallsyms$(last_kallsyms).o
kallsyms.h := $(wildcard include/config/kallsyms/*.h) $(wildcard include/config/kallsyms/*/*.h)
define verify_kallsyms
$(Q)$(if $($(quiet)cmd_sysmap), \
@ -783,41 +777,24 @@ endef
# Generate .S file with all kernel symbols
quiet_cmd_kallsyms = KSYM $@
cmd_kallsyms = { test $* -eq 0 || $(NM) -n $<; } \
| $(KALLSYMS) $(if $(CONFIG_KALLSYMS_ALL),--all-symbols) >$@
cmd_kallsyms = $(NM) -n $< | $(KALLSYMS) \
$(if $(CONFIG_KALLSYMS_ALL),--all-symbols) > $@
quiet_cmd_kstrip = STRIP $@
cmd_kstrip = $(OBJCOPY) --wildcard $(addprefix --strip$(if $(CONFIG_RELOCATABLE),-unneeded)-symbols ,$(filter %/scripts/strip-symbols,$^)) $< $@
$(foreach n,0 1 2 3,.tmp_kallsyms$(n).o): KBUILD_AFLAGS += -Wa,--strip-local-absolute
$(foreach n,0 1 2 3,.tmp_kallsyms$(n).o): %.o: %.S scripts FORCE
.tmp_kallsyms1.o .tmp_kallsyms2.o .tmp_kallsyms3.o: %.o: %.S scripts FORCE
$(call if_changed_dep,as_o_S)
ifeq ($(CONFIG_KALLSYMS_STRIP_GENERATED),y)
strip-ext := .stripped
endif
.tmp_kallsyms%.S: .tmp_vmlinux%$(strip-ext) $(KALLSYMS) $(kallsyms.h)
.tmp_kallsyms%.S: .tmp_vmlinux% $(KALLSYMS)
$(call cmd,kallsyms)
# make -jN seems to have problems with intermediate files, see bug #3330.
.SECONDARY: $(foreach n,1 2 3,.tmp_vmlinux$(n).stripped)
.tmp_vmlinux%.stripped: .tmp_vmlinux% $(strip-symbols) $(kallsyms.h)
$(call cmd,kstrip)
ifneq ($(CONFIG_DEBUG_INFO),y)
.tmp_vmlinux%: LDFLAGS_vmlinux += -S
endif
# .tmp_vmlinux1 must be complete except kallsyms, so update vmlinux version
.tmp_vmlinux%: $(vmlinux-lds) $(vmlinux-all) FORCE
$(if $(filter 1,$*),$(call if_changed_rule,ksym_ld),$(call if_changed,vmlinux__))
.tmp_vmlinux1: $(vmlinux-lds) $(vmlinux-all) FORCE
$(call if_changed_rule,ksym_ld)
.tmp_vmlinux0$(strip-ext):
$(Q)echo "placeholder" >$@
.tmp_vmlinux2: $(vmlinux-lds) $(vmlinux-all) .tmp_kallsyms1.o FORCE
$(call if_changed,vmlinux__)
.tmp_vmlinux1: .tmp_kallsyms0.o
.tmp_vmlinux2: .tmp_kallsyms1.o
.tmp_vmlinux3: .tmp_kallsyms2.o
.tmp_vmlinux3: $(vmlinux-lds) $(vmlinux-all) .tmp_kallsyms2.o FORCE
$(call if_changed,vmlinux__)
# Needs to visit scripts/ before $(KALLSYMS) can be used.
$(KALLSYMS): scripts ;