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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-27 09:59:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-27 09:59:59 -0700
commit6948385cbd83201fb933125c1a578b29b456605d (patch)
treefd08f30c84d02cfb1ad696d04605565974fae7be
parent7a76d89232f20411f32e7a79ccc1e2f95e9f826b (diff)
parent56b2f0706d82535fd8d85503f2dcc0be40c8e55d (diff)
downloadmrst-s0i3-test-6948385cbd83201fb933125c1a578b29b456605d.tar.gz
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next: (25 commits) setlocalversion: do not describe if there is nothing to describe kconfig: fix typos: "Suport" -> "Support" kconfig: make defconfig is no longer chatty kconfig: make oldconfig is now less chatty kconfig: speed up all*config + randconfig kconfig: set all new symbols automatically kconfig: add diffconfig utility kbuild: remove Module.markers during mrproper kbuild: sparse needs CF not CHECKFLAGS kernel-doc: handle/strip __init vmlinux.lds: move __attribute__((__cold__)) functions back into final .text section init: fix URL of "The GNU Accounting Utilities" kbuild: add arch/$ARCH/include to search path kbuild: asm symlink support for arch/$ARCH/include kbuild: support arch/$ARCH/include for tags, cscope kbuild: prepare headers_* for arch/$ARCH/include kbuild: install all headers when arch is changed kbuild: make clean removes *.o.* as well kbuild: optimize headers_* targets kbuild: only one call for include/ in make headers_* ...
-rw-r--r--Documentation/sparse.txt8
-rw-r--r--Kbuild3
-rw-r--r--Makefile115
-rw-r--r--drivers/misc/Kconfig2
-rw-r--r--include/Kbuild5
-rw-r--r--include/asm-generic/vmlinux.lds.h4
-rw-r--r--init/Kconfig4
-rw-r--r--scripts/Makefile.headersinst230
-rwxr-xr-xscripts/diffconfig129
-rwxr-xr-xscripts/hdrcheck.sh10
-rwxr-xr-xscripts/headers.sh41
-rw-r--r--scripts/headers_check.pl56
-rw-r--r--scripts/headers_install.pl45
-rw-r--r--scripts/kconfig/conf.c161
-rw-r--r--scripts/kconfig/confdata.c70
-rw-r--r--scripts/kconfig/lkc.h9
-rwxr-xr-xscripts/kernel-doc1
-rwxr-xr-xscripts/setlocalversion4
18 files changed, 574 insertions, 323 deletions
diff --git a/Documentation/sparse.txt b/Documentation/sparse.txt
index 1a3bdc27d95..42f43fa59f2 100644
--- a/Documentation/sparse.txt
+++ b/Documentation/sparse.txt
@@ -73,10 +73,10 @@ recompiled, or use "make C=2" to run sparse on the files whether they need to
be recompiled or not. The latter is a fast way to check the whole tree if you
have already built it.
-The optional make variable CHECKFLAGS can be used to pass arguments to sparse.
-The build system passes -Wbitwise to sparse automatically. To perform
-endianness checks, you may define __CHECK_ENDIAN__:
+The optional make variable CF can be used to pass arguments to sparse. The
+build system passes -Wbitwise to sparse automatically. To perform endianness
+checks, you may define __CHECK_ENDIAN__:
- make C=2 CHECKFLAGS="-D__CHECK_ENDIAN__"
+ make C=2 CF="-D__CHECK_ENDIAN__"
These checks are disabled by default as they generate a host of warnings.
diff --git a/Kbuild b/Kbuild
index e750e9c3fe5..f056b4feee5 100644
--- a/Kbuild
+++ b/Kbuild
@@ -43,7 +43,7 @@ $(obj)/$(bounds-file): kernel/bounds.s Kbuild
# 2) Generate asm-offsets.h
#
-offsets-file := include/asm-$(SRCARCH)/asm-offsets.h
+offsets-file := include/asm/asm-offsets.h
always += $(offsets-file)
targets += $(offsets-file)
@@ -81,7 +81,6 @@ arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
$(call if_changed_dep,cc_s_c)
$(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild
- $(Q)mkdir -p $(dir $@)
$(call cmd,offsets)
#####
diff --git a/Makefile b/Makefile
index 3cad7db5eba..40f24810116 100644
--- a/Makefile
+++ b/Makefile
@@ -205,6 +205,9 @@ ifeq ($(ARCH),x86_64)
SRCARCH := x86
endif
+# Where to locate arch specific headers
+hdr-arch := $(SRCARCH)
+
KCONFIG_CONFIG ?= .config
# SHELL used by kbuild
@@ -326,7 +329,8 @@ 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__ $(LINUXINCLUDE)
@@ -922,7 +926,9 @@ ifneq ($(KBUILD_SRC),)
/bin/false; \
fi;
$(Q)if [ ! -d include2 ]; then mkdir -p include2; fi;
- $(Q)ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm
+ $(Q)if [ -e $(srctree)/include/asm-$(SRCARCH)/system.h ]; then \
+ ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm; \
+ fi
endif
# prepare2 creates a makefile if using a separate output directory
@@ -948,22 +954,34 @@ 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
# ---------------------------------------------------------------------------
@@ -1010,36 +1028,43 @@ 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
@@ -1131,7 +1156,7 @@ 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
#
@@ -1150,7 +1175,7 @@ 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 +1249,17 @@ 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 ''
@@ -1411,7 +1432,11 @@ 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) \
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 321eb913463..f5ade1904aa 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -360,7 +360,7 @@ config THINKPAD_ACPI_VIDEO
If you are not sure, say Y here.
config THINKPAD_ACPI_HOTKEY_POLL
- bool "Suport NVRAM polling for hot keys"
+ bool "Support NVRAM polling for hot keys"
depends on THINKPAD_ACPI
default y
---help---
diff --git a/include/Kbuild b/include/Kbuild
index bdca155028e..d8c3e3cbf41 100644
--- a/include/Kbuild
+++ b/include/Kbuild
@@ -1,3 +1,6 @@
+# Top-level Makefile calls into asm-$(ARCH)
+# List only non-arch directories below
+
header-y += asm-generic/
header-y += linux/
header-y += sound/
@@ -5,5 +8,3 @@ header-y += mtd/
header-y += rdma/
header-y += video/
header-y += drm/
-
-header-y += asm-$(ARCH)/
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 9cd44b162ba..6d88a923c94 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -221,6 +221,7 @@
* during second ld run in second ld pass when generating System.map */
#define TEXT_TEXT \
ALIGN_FUNCTION(); \
+ *(.text.hot) \
*(.text) \
*(.ref.text) \
*(.text.init.refok) \
@@ -230,7 +231,8 @@
CPU_KEEP(init.text) \
CPU_KEEP(exit.text) \
MEM_KEEP(init.text) \
- MEM_KEEP(exit.text)
+ MEM_KEEP(exit.text) \
+ *(.text.unlikely)
/* sched.text is aling to function alignment to secure we have same
diff --git a/init/Kconfig b/init/Kconfig
index a50bdfed2df..43d6989c275 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -171,7 +171,7 @@ config BSD_PROCESS_ACCT_V3
process and it's parent. Note that this file format is incompatible
with previous v0/v1/v2 file formats, so you will need updated tools
for processing it. A preliminary version of these tools is available
- at <http://www.physik3.uni-rostock.de/tim/kernel/utils/acct/>.
+ at <http://www.gnu.org/software/acct/>.
config TASKSTATS
bool "Export task/process statistics through netlink (EXPERIMENTAL)"
@@ -486,7 +486,7 @@ config PID_NS
default n
depends on NAMESPACES && EXPERIMENTAL
help
- Suport process id namespaces. This allows having multiple
+ Support process id namespaces. This allows having multiple
process with the same pid as long as they are in different
pid namespaces. This is a building block of containers.
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 53dae3eb3d1..612dc13ddd8 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -1,194 +1,98 @@
# ==========================================================================
# Installing headers
#
-# header-y files will be installed verbatim
-# unifdef-y are the files where unifdef will be run before installing files
-# objhdr-y are generated files that will be installed verbatim
+# header-y - list files to be installed. They are preprocessed
+# to remove __KERNEL__ section of the file
+# unifdef-y - Same as header-y. Obsolete
+# objhdr-y - Same as header-y but for generated files
#
# ==========================================================================
-UNIFDEF := scripts/unifdef -U__KERNEL__
-
-# Eliminate the contents of (and inclusions of) compiler.h
-HDRSED := sed -e "s/ inline / __inline__ /g" \
- -e "s/[[:space:]]__user[[:space:]]\{1,\}/ /g" \
- -e "s/(__user[[:space:]]\{1,\}/ (/g" \
- -e "s/[[:space:]]__force[[:space:]]\{1,\}/ /g" \
- -e "s/(__force[[:space:]]\{1,\}/ (/g" \
- -e "s/[[:space:]]__iomem[[:space:]]\{1,\}/ /g" \
- -e "s/(__iomem[[:space:]]\{1,\}/ (/g" \
- -e "s/[[:space:]]__attribute_const__[[:space:]]\{1,\}/\ /g" \
- -e "s/[[:space:]]__attribute_const__$$//" \
- -e "/^\#include <linux\/compiler.h>/d"
-
+# called may set destination dir (when installing to asm/)
_dst := $(if $(dst),$(dst),$(obj))
-ifeq (,$(patsubst include/asm/%,,$(obj)/))
-# For producing the generated stuff in include/asm for biarch builds, include
-# both sets of Kbuild files; we'll generate anything which is mentioned in
-# _either_ arch, and recurse into subdirectories which are mentioned in either
-# arch. Since some directories may exist in one but not the other, we must
-# use $(wildcard...).
-GENASM := 1
-archasm := $(subst include/asm,asm-$(ARCH),$(obj))
-altarchasm := $(subst include/asm,asm-$(ALTARCH),$(obj))
-KBUILDFILES := $(wildcard $(srctree)/include/$(archasm)/Kbuild $(srctree)/include/$(altarchasm)/Kbuild)
-else
-KBUILDFILES := $(srctree)/$(obj)/Kbuild
-endif
+kbuild-file := $(srctree)/$(obj)/Kbuild
+include $(kbuild-file)
-include $(KBUILDFILES)
+include scripts/Kbuild.include
-include scripts/Kbuild.include
+install := $(INSTALL_HDR_PATH)/$(_dst)
-# If this is include/asm-$(ARCH) and there's no $(ALTARCH), then
-# override $(_dst) so that we install to include/asm directly.
-# Unless $(BIASMDIR) is set, in which case we're probably doing
-# a 'headers_install_all' build and we should keep the -$(ARCH)
-# in the directory name.
-ifeq ($(obj)$(ALTARCH),include/asm-$(ARCH)$(BIASMDIR))
- _dst := include/asm
-endif
+header-y := $(sort $(header-y) $(unifdef-y))
+subdirs := $(patsubst %/,%,$(filter %/, $(header-y)))
+header-y := $(filter-out %/, $(header-y))
-header-y := $(sort $(header-y))
-unifdef-y := $(sort $(unifdef-y))
-subdir-y := $(patsubst %/,%,$(filter %/, $(header-y)))
-header-y := $(filter-out %/, $(header-y))
-header-y := $(filter-out $(unifdef-y),$(header-y))
+# files used to track state of install/check
+install-file := $(install)/.install
+check-file := $(install)/.check
-# stamp files for header checks
-check-y := $(patsubst %,.check.%,$(header-y) $(unifdef-y) $(objhdr-y))
+# all headers files for this dir
+all-files := $(header-y) $(objhdr-y)
+input-files := $(addprefix $(srctree)/$(obj)/,$(header-y)) \
+ $(addprefix $(objtree)/$(obj)/,$(objhdr-y))
+output-files := $(addprefix $(install)/, $(all-files))
# Work out what needs to be removed
-oldheaders := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/*.h))
-unwanted := $(filter-out $(header-y) $(unifdef-y) $(objhdr-y),$(oldheaders))
+oldheaders := $(patsubst $(install)/%,%,$(wildcard $(install)/*.h))
+unwanted := $(filter-out $(all-files),$(oldheaders))
-oldcheckstamps := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/.check.*.h))
-unwanted += $(filter-out $(check-y),$(oldcheckstamps))
+# Prefix unwanted with full paths to $(INSTALL_HDR_PATH)
+unwanted-file := $(addprefix $(install)/, $(unwanted))
-# Prefix them all with full paths to $(INSTALL_HDR_PATH)
-header-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(header-y))
-unifdef-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(unifdef-y))
-objhdr-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(objhdr-y))
-check-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(check-y))
+printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@))
+quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\
+ file$(if $(word 2, $(all-files)),s))
+ cmd_install = \
+ $(PERL) $< $(srctree)/$(obj) $(install) $(SRCARCH) $(header-y); \
+ $(PERL) $< $(objtree)/$(obj) $(install) $(SRCARCH) $(objhdr-y); \
+ touch $@
-ifdef ALTARCH
-ifeq ($(obj),include/asm-$(ARCH))
-altarch-y := altarch-dir
-endif
-endif
+quiet_cmd_remove = REMOVE $(unwanted)
+ cmd_remove = rm -f $(unwanted-file)
-# Make the definitions visible for recursive make invocations
-export ALTARCH
-export ARCHDEF
-export ALTARCHDEF
-
-quiet_cmd_o_hdr_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
- cmd_o_hdr_install = cp $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(objtree)/$(obj)/%,$@) \
- $(INSTALL_HDR_PATH)/$(_dst)
-
-quiet_cmd_headers_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
- cmd_headers_install = $(HDRSED) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \
- > $@
-
-quiet_cmd_unifdef = UNIFDEF $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
- cmd_unifdef = $(UNIFDEF) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \
- | $(HDRSED) > $@ || :
-
-quiet_cmd_check = CHECK $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/.check.%,$(_dst)/%,$@)
- cmd_check = $(CONFIG_SHELL) $(srctree)/scripts/hdrcheck.sh \
- $(INSTALL_HDR_PATH)/include $(subst /.check.,/,$@) $@
-
-quiet_cmd_remove = REMOVE $(_dst)/$@
- cmd_remove = rm -f $(INSTALL_HDR_PATH)/$(_dst)/$@
-
-quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
- cmd_mkdir = mkdir -p $@
-
-quiet_cmd_gen = GEN $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
- cmd_gen = \
-FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@); \
-STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z.- A-Z__`; \
-(echo "/* File autogenerated by 'make headers_install' */" ; \
-echo "\#ifndef $$STUBDEF" ; \
-echo "\#define $$STUBDEF" ; \
-echo "\# if $(ARCHDEF)" ; \
-if [ -r $(subst /$(_dst)/,/include/$(archasm)/,$@) ]; then \
- echo "\# include <$(archasm)/$$FNAME>" ; \
-else \
- echo "\# error $(archasm)/$$FNAME does not exist in" \
- "the $(ARCH) architecture" ; \
-fi ; \
-echo "\# elif $(ALTARCHDEF)" ; \
-if [ -r $(subst /$(_dst)/,/include/$(altarchasm)/,$@) ]; then \
- echo "\# include <$(altarchasm)/$$FNAME>" ; \
-else \
- echo "\# error $(altarchasm)/$$FNAME does not exist in" \
- "the $(ALTARCH) architecture" ; \
-fi ; \
-echo "\# else" ; \
-echo "\# warning This machine appears to be" \
- "neither $(ARCH) nor $(ALTARCH)." ; \
-echo "\# endif" ; \
-echo "\#endif /* $$STUBDEF */" ; \
-) > $@
-
-.PHONY: __headersinst __headerscheck
-
-ifdef HDRCHECK
-__headerscheck: $(subdir-y) $(check-y)
- @true
-
-$(check-y) : $(INSTALL_HDR_PATH)/$(_dst)/.check.%.h : $(INSTALL_HDR_PATH)/$(_dst)/%.h
- $(call cmd,check)
-
-# Other dependencies for $(check-y)
-include /dev/null $(wildcard $(check-y))
-
-# ... but leave $(check-y) as .PHONY for now until those deps are actually correct.
-.PHONY: $(check-y)
+quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files)
+ cmd_check = $(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH) \
+ $(addprefix $(install)/, $(all-files)); \
+ touch $@
-else
-# Rules for installing headers
-__headersinst: $(subdir-y) $(header-y) $(unifdef-y) $(altarch-y) $(objhdr-y)
- @true
+PHONY += __headersinst __headerscheck
-$(objhdr-y) $(subdir-y) $(header-y) $(unifdef-y): | $(INSTALL_HDR_PATH)/$(_dst) $(unwanted)
-
-$(INSTALL_HDR_PATH)/$(_dst):
- $(call cmd,mkdir)
-
-.PHONY: $(unwanted)
-$(unwanted):
- $(call cmd,remove)
+ifndef HDRCHECK
+# Rules for installing headers
+__headersinst: $(subdirs) $(install-file)
+ @:
-ifdef GENASM
-$(objhdr-y) $(header-y) $(unifdef-y): $(KBUILDFILES)
- $(call cmd,gen)
+targets += $(install-file)
+$(install-file): scripts/headers_install.pl $(input-files) FORCE
+ $(if $(unwanted),$(call cmd,remove),)
+ $(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@)))
+ $(call if_changed,install)
else
-$(objhdr-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(objtree)/$(obj)/%.h $(KBUILDFILES)
- $(call cmd,o_hdr_install)
+__headerscheck: $(subdirs) $(check-file)
+ @:
-$(header-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
- $(call cmd,headers_install)
+targets += $(check-file)
+$(check-file): scripts/headers_check.pl $(output-files) FORCE
+ $(call if_changed,check)
-$(unifdef-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
- $(call cmd,unifdef)
-endif
endif
-hdrinst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
+# Recursion
+hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
+.PHONY: $(subdirs)
+$(subdirs):
+ $(Q)$(MAKE) $(hdr-inst)=$(obj)/$@ dst=$(_dst)/$@
-.PHONY: altarch-dir
-# All the files in the normal arch dir must be created first, since we test
-# for their existence.
-altarch-dir: $(subdir-y) $(header-y) $(unifdef-y) $(objhdr-y)
- $(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH)
- $(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm$(BIASMDIR)
+targets := $(wildcard $(sort $(targets)))
+cmd_files := $(wildcard \
+ $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
-# Recursion
-.PHONY: $(subdir-y)
-$(subdir-y):
- $(Q)$(MAKE) $(hdrinst)=$(obj)/$@ dst=$(_dst)/$@ rel=../$(rel)
+ifneq ($(cmd_files),)
+ include $(cmd_files)
+endif
+
+.PHONY: $(PHONY)
+PHONY += FORCE
+FORCE: ;
diff --git a/scripts/diffconfig b/scripts/diffconfig
new file mode 100755
index 00000000000..b91f3e34d44
--- /dev/null
+++ b/scripts/diffconfig
@@ -0,0 +1,129 @@
+#!/usr/bin/python
+#
+# diffconfig - a tool to compare .config files.
+#
+# originally written in 2006 by Matt Mackall
+# (at least, this was in his bloatwatch source code)
+# last worked on 2008 by Tim Bird
+#
+
+import sys, os
+
+def usage():
+ print """Usage: diffconfig [-h] [-m] [<config1> <config2>]
+
+Diffconfig is a simple utility for comparing two .config files.
+Using standard diff to compare .config files often includes extraneous and
+distracting information. This utility produces sorted output with only the
+changes in configuration values between the two files.
+
+Added and removed items are shown with a leading plus or minus, respectively.
+Changed items show the old and new values on a single line.
+
+If -m is specified, then output will be in "merge" style, which has the
+changed and new values in kernel config option format.
+
+If no config files are specified, .config and .config.old are used.
+
+Example usage:
+ $ diffconfig .config config-with-some-changes
+-EXT2_FS_XATTR n
+-EXT2_FS_XIP n
+ CRAMFS n -> y
+ EXT2_FS y -> n
+ LOG_BUF_SHIFT 14 -> 16
+ PRINTK_TIME n -> y
+"""
+ sys.exit(0)
+
+# returns a dictionary of name/value pairs for config items in the file
+def readconfig(config_file):
+ d = {}
+ for line in config_file:
+ line = line[:-1]
+ if line[:7] == "CONFIG_":
+ name, val = line[7:].split("=", 1)
+ d[name] = val
+ if line[-11:] == " is not set":
+ d[line[9:-11]] = "n"
+ return d
+
+def print_config(op, config, value, new_value):
+ global merge_style
+
+ if merge_style:
+ if new_value:
+ if new_value=="n":
+ print "# CONFIG_%s is not set" % config
+ else:
+ print "CONFIG_%s=%s" % (config, new_value)
+ else:
+ if op=="-":
+ print "-%s %s" % (config, value)
+ elif op=="+":
+ print "+%s %s" % (config, new_value)
+ else:
+ print " %s %s -> %s" % (config, value, new_value)
+
+def main():
+ global merge_style
+
+ # parse command line args
+ if ("-h" in sys.argv or "--help" in sys.argv):
+ usage()
+
+ merge_style = 0
+ if "-m" in sys.argv:
+ merge_style = 1
+ sys.argv.remove("-m")
+
+ argc = len(sys.argv)
+ if not (argc==1 or argc == 3):
+ print "Error: incorrect number of arguments or unrecognized option"
+ usage()
+
+ if argc == 1:
+ # if no filenames given, assume .config and .config.old
+ build_dir=""
+ if os.environ.has_key("KBUILD_OUTPUT"):
+ build_dir = os.environ["KBUILD_OUTPUT"]+"/"
+
+ configa_filename = build_dir + ".config.old"
+ configb_filename = build_dir + ".config"
+ else:
+ configa_filename = sys.argv[1]
+ configb_filename = sys.argv[2]
+
+ a = readconfig(file(configa_filename))
+ b = readconfig(file(configb_filename))
+
+ # print items in a but not b (accumulate, sort and print)
+ old = []
+ for config in a:
+ if config not in b:
+ old.append(config)
+ old.sort()
+ for config in old:
+ print_config("-", config, a[config], None)
+ del a[config]
+
+ # print items that changed (accumulate, sort, and print)
+ changed = []
+ for config in a:
+ if a[config] != b[config]:
+ changed.append(config)
+ else:
+ del b[config]
+ changed.sort()
+ for config in changed:
+ print_config("->", config, a[config], b[config])
+ del b[config]
+
+ # now print items in b but not in a
+ # (items from b that were in a were removed above)
+ new = b.keys()
+ new.sort()
+ for config in new:
+ print_config("+", config, None, b[config])
+
+main()
diff --git a/scripts/hdrcheck.sh b/scripts/hdrcheck.sh
deleted file mode 100755
index 31598584f87..00000000000
--- a/scripts/hdrcheck.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/sh
-
-for FILE in `grep '^[ \t]*#[ \t]*include[ \t]*<' $2 | cut -f2 -d\< | cut -f1 -d\> | egrep ^linux\|^asm` ; do
- if [ ! -r $1/$FILE ]; then
- echo $2 requires $FILE, which does not exist in exported headers
- exit 1
- fi
-done
-# FIXME: List dependencies into $3
-touch $3
diff --git a/scripts/headers.sh b/scripts/headers.sh
new file mode 100755
index 00000000000..d33426f866d
--- /dev/null
+++ b/scripts/headers.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+# Run headers_$1 command for all suitable architectures
+
+# Stop on error
+set -e
+
+do_command()
+{
+ if [ -f ${srctree}/arch/$2/include/asm/Kbuild ]; then
+ make ARCH=$2 KBUILD_HEADERS=$1 headers_$1
+ elif [ -f ${srctree}/include/asm-$2/Kbuild ]; then
+ make ARCH=$2 KBUILD_HEADERS=$1 headers_$1
+ else
+ printf "Ignoring arch: %s\n" ${arch}
+ fi
+}
+
+# Do not try this architecture
+drop="generic um ppc sparc64 cris"
+
+archs=$(ls ${srctree}/arch)
+
+for arch in ${archs}; do
+ case ${arch} in
+ um) # no userspace export
+ ;;
+ ppc) # headers exported by powerpc
+ ;;
+ sparc64) # headers exported by sparc
+ ;;
+ cris) # headers export are known broken
+ ;;
+ *)
+ if [ -d ${srctree}/arch/${arch} ]; then
+ do_command $1 ${arch}
+ fi
+ ;;
+ esac
+done
+
+
diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl
new file mode 100644
index 00000000000..15d53a6b1a1
--- /dev/null
+++ b/scripts/headers_check.pl
@@ -0,0 +1,56 @@
+#!/usr/bin/perl
+#
+# headers_check.pl execute a number of trivial consistency checks
+#
+# Usage: headers_check.pl dir [files...]
+# dir: dir to look for included files
+# arch: architecture
+# files: list of files to check
+#
+# The script reads the supplied files line by line and:
+#
+# 1) for each include statement it checks if the
+# included file actually exists.
+# Only include files located in asm* and linux* are checked.
+# The rest are assumed to be system include files.
+#
+# 2) TODO: check for leaked CONFIG_ symbols
+
+use strict;
+use warnings;
+
+my ($dir, $arch, @files) = @ARGV;
+
+my $ret = 0;
+my $line;
+my $lineno = 0;
+my $filename;
+
+foreach my $file (@files) {
+ $filename = $file;
+ open(my $fh, '<', "$filename") or die "$filename: $!\n";
+ $lineno = 0;
+ while ($line = <$fh>) {
+ $lineno++;
+ check_include();
+ }
+ close $fh;
+}
+exit $ret;
+
+sub check_include
+{
+ if ($line =~ m/^\s*#\s*include\s+<((asm|linux).*)>/) {
+ my $inc = $1;
+ my $found;
+ $found = stat($dir . "/" . $inc);
+ if (!$found) {
+ $inc =~ s#asm/#asm-$arch/#;
+ $found = stat($dir . "/" . $inc);
+ }
+ if (!$found) {
+ printf STDERR "$filename:$lineno: included file '$inc' is not exported\n";
+ $ret = 1;
+ }
+ }
+}
diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl
new file mode 100644
index 00000000000..68591cd0873
--- /dev/null
+++ b/scripts/headers_install.pl
@@ -0,0 +1,45 @@
+#!/usr/bin/perl
+#
+# headers_install prepare the listed header files for use in
+# user space and copy the files to their destination.
+#
+# Usage: headers_install.pl readdir installdir arch [files...]
+# readdir: dir to open files
+# installdir: dir to install the files
+# arch: current architecture
+# arch is used to force a reinstallation when the arch
+# changes because kbuild then detect a command line change.
+# files: list of files to check
+#
+# Step in preparation for users space:
+# 1) Drop all use of compiler.h definitions
+# 2) Drop include of compiler.h
+# 3) Drop all sections defined out by __KERNEL__ (using unifdef)
+
+use strict;
+use warnings;
+
+my ($readdir, $installdir, $arch, @files) = @ARGV;
+
+my $unifdef = "scripts/unifdef -U__KERNEL__";
+
+foreach my $file (@files) {
+ my $tmpfile = "$installdir/$file.tmp";
+ open(my $infile, '<', "$readdir/$file")
+ or die "$readdir/$file: $!\n";
+ open(my $outfile, '>', "$tmpfile") or die "$tmpfile: $!\n";
+ while (my $line = <$infile>) {
+ $line =~ s/([\s(])__user\s/$1/g;
+ $line =~ s/([\s(])__force\s/$1/g;
+ $line =~ s/([\s(])__iomem\s/$1/g;
+ $line =~ s/\s__attribute_const__\s/ /g;
+ $line =~ s/\s__attribute_const__$//g;
+ $line =~ s/^#include <linux\/compiler.h>//;
+ printf $outfile "%s", $line;
+ }
+ close $outfile;
+ close $infile;
+ system $unifdef . " $tmpfile > $installdir/$file";
+ unlink $tmpfile;
+}
+exit 0;
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index fda63136ae6..9fba838c706 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -76,7 +76,6 @@ static void check_stdin(void)
static int conf_askvalue(struct symbol *sym, const char *def)
{
enum symbol_type type = sym_get_type(sym);
- tristate val;
if (!sym_has_value(sym))
printf(_("(NEW) "));
@@ -92,15 +91,6 @@ static int conf_askvalue(struct symbol *sym, const char *def)
}
switch (input_mode) {
- case set_no:
- case set_mod:
- case set_yes:
- case set_random:
- if (sym_has_value(sym)) {
- printf("%s\n", def);
- return 0;
- }
- break;
case ask_new:
case ask_silent:
if (sym_has_value(sym)) {
@@ -112,9 +102,6 @@ static int conf_askvalue(struct symbol *sym, const char *def)
fflush(stdout);
fgets(line, 128, stdin);
return 1;
- case set_default:
- printf("%s\n", def);
- return 1;
default:
break;
}
@@ -128,52 +115,6 @@ static int conf_askvalue(struct symbol *sym, const char *def)
default:
;
}
- switch (input_mode) {
- case set_yes:
- if (sym_tristate_within_range(sym, yes)) {
- line[0] = 'y';
- line[1] = '\n';
- line[2] = 0;
- break;
- }
- case set_mod:
- if (type == S_TRISTATE) {
- if (sym_tristate_within_range(sym, mod)) {
- line[0] = 'm';
- line[1] = '\n';
- line[2] = 0;
- break;
- }
- } else {
- if (sym_tristate_within_range(sym, yes)) {
- line[0] = 'y';
- line[1] = '\n';
- line[2] = 0;
- break;
- }
- }
- case set_no:
- if (sym_tristate_within_range(sym, no)) {
- line[0] = 'n';
- line[1] = '\n';
- line[2] = 0;
- break;
- }
- case set_random:
- do {
- val = (tristate)(rand() % 3);
- } while (!sym_tristate_within_range(sym, val));
- switch (val) {
- case no: line[0] = 'n'; break;
- case mod: line[0] = 'm'; break;
- case yes: line[0] = 'y'; break;
- }
- line[1] = '\n';
- line[2] = 0;
- break;
- default:
- break;
- }
printf("%s", line);
return 1;
}
@@ -374,15 +315,7 @@ static int conf_choice(struct menu *menu)
else
continue;
break;
- case set_random:
- if (is_new)
- def = (rand() % cnt) + 1;
- case set_default:
- case set_yes:
- case set_mod:
- case set_no:
- cnt = def;
- printf("%d\n", cnt);
+ default:
break;
}
@@ -494,6 +427,43 @@ static void check_conf(struct menu *menu)
check_conf(child);
}
+static void conf_do_update(void)
+{
+ /* Update until a loop caused no more changes */
+ do {
+ conf_cnt = 0;
+ check_conf(&rootmenu);
+ } while (conf_cnt);
+}
+
+static int conf_silent_update(void)
+{
+ const char *name;
+
+ if (conf_get_changed()) {
+ name = getenv("KCONFIG_NOSILENTUPDATE");
+ if (name && *name) {
+ fprintf(stderr,
+ _("\n*** Kernel configuration requires explicit update.\n\n"));
+ return 1;
+ }
+ conf_do_update();
+ }
+ return 0;
+}
+
+static int conf_update(void)
+{
+ rootEntry = &rootmenu;
+ conf(&rootmenu);
+ if (input_mode == ask_all) {
+ input_mode = ask_silent;
+ valid_stdin = 1;
+ }
+ conf_do_update();
+ return 0;
+}
+
int main(int ac, char **av)
{
int opt;
@@ -599,36 +569,43 @@ int main(int ac, char **av)
default:
break;
}
+ switch (input_mode) {
+ case set_no:
+ conf_set_all_new_symbols(def_no);
+ break;
+ case set_yes:
+ conf_set_all_new_symbols(def_yes);
+ break;
+ case set_mod:
+ conf_set_all_new_symbols(def_mod);
+ break;
+ case set_random:
+ conf_set_all_new_symbols(def_random);
+ break;
+ case set_default:
+ conf_set_all_new_symbols(def_default);
+ break;
+ case ask_silent:
+ case ask_new:
+ if (conf_silent_update())
+ exit(1);
+ break;
+ case ask_all:
+ if (conf_update())
+ exit(1);
+ break;
+ }
- if (input_mode != ask_silent) {
- rootEntry = &rootmenu;
- conf(&rootmenu);
- if (input_mode == ask_all) {
- input_mode = ask_silent;
- valid_stdin = 1;
- }
- } else if (conf_get_changed()) {
- name = getenv("KCONFIG_NOSILENTUPDATE");
- if (name && *name) {
- fprintf(stderr, _("\n*** Kernel configuration requires explicit update.\n\n"));
- return 1;
- }
- } else
- goto skip_check;
-
- do {
- conf_cnt = 0;
- check_conf(&rootmenu);
- } while (conf_cnt);
- if (conf_write(NULL)) {
+ if (conf_get_changed() && conf_write(NULL)) {
fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
- return 1;
+ exit(1);
}
-skip_check:
+ /* ask_silent is used during the build so we shall update autoconf.
+ * All other commands are only used to generate a config.
+ */
if (input_mode == ask_silent && conf_write_autoconf()) {
fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
return 1;
}
-
return 0;
}
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index ee5fe943d58..07597611cc5 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -812,3 +812,73 @@ void conf_set_changed_callback(void (*fn)(void))
{
conf_changed_callback = fn;
}
+
+
+void conf_set_all_new_symbols(enum conf_def_mode mode)
+{
+ struct symbol *sym, *csym;
+ struct property *prop;
+ struct expr *e;
+ int i, cnt, def;
+
+ for_all_symbols(i, sym) {
+ if (sym_has_value(sym))
+ continue;
+ switch (sym_get_type(sym)) {
+ case S_BOOLEAN:
+ case S_TRISTATE:
+ switch (mode) {
+ case def_yes:
+ sym->def[S_DEF_USER].tri = yes;
+ break;
+ case def_mod:
+ sym->def[S_DEF_USER].tri = mod;
+ break;
+ case def_no:
+ sym->def[S_DEF_USER].tri = no;
+ break;
+ case def_random:
+ sym->def[S_DEF_USER].tri = (tristate)(rand() % 3);
+ break;
+ default:
+ continue;
+ }
+ if (!sym_is_choice(sym) || mode != def_random)
+ sym->flags |= SYMBOL_DEF_USER;
+ break;
+ default:
+ break;
+ }
+
+ }
+
+ if (modules_sym)
+ sym_calc_value(modules_sym);
+
+ if (mode != def_random)
+ return;
+
+ for_all_symbols(i, csym) {
+ if (sym_has_value(csym) || !sym_is_choice(csym))
+ continue;
+
+ sym_calc_value(csym);
+ prop = sym_get_choice_prop(csym);
+ def = -1;
+ while (1) {
+ cnt = 0;
+ expr_list_for_each_sym(prop->expr, e, sym) {
+ if (sym->visible == no)
+ continue;
+ if (def == cnt++) {
+ csym->def[S_DEF_USER].val = sym;
+ break;
+ }
+ }
+ if (def >= 0 || cnt < 2)
+ break;
+ def = (rand() % cnt) + 1;
+ }
+ csym->flags |= SYMBOL_DEF_USER;
+ }
+}
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 96521cb087e..4a9af6f7886 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -42,6 +42,14 @@ extern "C" {
#define TF_PARAM 0x0002
#define TF_OPTION 0x0004
+enum conf_def_mode {
+ def_default,
+ def_yes,
+ def_mod,
+ def_no,
+ def_random
+};
+
#define T_OPT_MODULES 1
#define T_OPT_DEFCONFIG_LIST 2
#define T_OPT_ENV 3
@@ -69,6 +77,7 @@ const char *conf_get_configname(void);
char *conf_get_default_confname(void);
void sym_set_change_count(int count);
void sym_add_change_count(int count);
+void conf_set_all_new_symbols(enum conf_def_mode mode);
/* kconfig_load.c */
void kconfig_load(void);
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 88e3934a8b8..d8f77e26081 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1643,6 +1643,7 @@ sub dump_function($$) {
$prototype =~ s/^__always_inline +//;
$prototype =~ s/^noinline +//;
$prototype =~ s/__devinit +//;
+ $prototype =~ s/__init +//;
$prototype =~ s/^#define\s+//; #ak added
$prototype =~ s/__attribute__\s*\(\([a-z,]*\)\)//;
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 1c1bdaf7348..83b75126c9f 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -12,7 +12,9 @@ cd "${1:-.}" || usage
if head=`git rev-parse --verify HEAD 2>/dev/null`; then
# Do we have an untagged version?
if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
- git describe | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+ if tag=`git describe 2>/dev/null`; then
+ echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+ fi
fi
# Are there uncommitted changes?