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

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: (40 commits)
  kbuild: trivial fixes in Makefile
  kbuild: adding symbols in Kconfig and defconfig to TAGS
  kbuild: replace abort() with exit(1)
  kbuild: support for %.symtypes files
  kbuild: fix silentoldconfig recursion
  kbuild: add option for stripping modules while installing them
  kbuild: kill some false positives from modpost
  kbuild: export-symbol usage report generator
  kbuild: fix make -rR breakage
  kbuild: append -dirty for updated but uncommited changes
  kbuild: append git revision for all untagged commits
  kbuild: fix module.symvers parsing in modpost
  kbuild: ignore make's built-in rules & variables
  kbuild: bugfix with initramfs
  kbuild: modpost build fix
  kbuild: check license compatibility when building modules
  kbuild: export-type enhancement to modpost.c
  kbuild: add dependency on kernel.release to the package targets
  kbuild: `make kernelrelease' speedup
  kconfig: KCONFIG_OVERWRITECONFIG
  ...

Documentation/kbuild/makefiles.txt

@@ -1123,6 +1123,14 @@ The top Makefile exports the following variables:
 	$(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE).  The user may
 	override this value on the command line if desired.
 
+    INSTALL_MOD_STRIP
+
+	If this variable is specified, 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 option(s) to the strip command.
+
+
 === 8 Makefile language
 
 The kernel Makefiles are designed to run with GNU Make.  The Makefiles

arch/arm/Makefile

@@ -177,7 +177,7 @@ boot := arch/arm/boot
 #	them changed.  We use .arch to indicate when they were updated
 #	last, otherwise make uses the target directory mtime.
 
-include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
+include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
 	@echo '  SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
 ifneq ($(KBUILD_SRC),)
 	$(Q)mkdir -p include/asm-arm

arch/sh/Makefile

@@ -147,7 +147,7 @@ endif
 #	them changed.  We use .arch and .mach to indicate when they were
 #	updated last, otherwise make uses the target directory mtime.
 
-include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) include/config/MARKER
+include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) include/config/auto.conf
 	@echo '  SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
 	$(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 	$(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
@@ -157,7 +157,7 @@ include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) include/config/MARKER
 #	don't, just reference the parent directory so the semantics are
 #	kept roughly the same.
 
-include/asm-sh/.mach: $(wildcard include/config/sh/*.h) include/config/MARKER
+include/asm-sh/.mach: $(wildcard include/config/sh/*.h) include/config/auto.conf
 	@echo -n '  SYMLINK include/asm-sh/mach -> '
 	$(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 	$(Q)if [ -d $(incdir-prefix)$(incdir-y) ]; then \

arch/xtensa/Makefile

@@ -71,7 +71,7 @@ archprepare: $(archinc)/.platform
 # Update machine cpu and platform symlinks if something which affects
 # them changed.
 
-$(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/MARKER
+$(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/auto.conf
 	@echo '  SYMLINK $(archinc)/xtensa/config -> $(archinc)/xtensa/config-$(CPU)'
 	$(Q)mkdir -p $(archinc)
 	$(Q)mkdir -p $(archinc)/xtensa

drivers/mtd/Kconfig

@@ -86,14 +86,14 @@ config MTD_REDBOOT_DIRECTORY_BLOCK
 	  block and "-2" means the penultimate block.
 
 config MTD_REDBOOT_PARTS_UNALLOCATED
-	bool "  Include unallocated flash regions"
+	bool "Include unallocated flash regions"
 	depends on MTD_REDBOOT_PARTS
 	help
 	  If you need to register each unallocated flash region as a MTD
 	  'partition', enable this option.
 
 config MTD_REDBOOT_PARTS_READONLY
-	bool "  Force read-only for RedBoot system images"
+	bool "Force read-only for RedBoot system images"
 	depends on MTD_REDBOOT_PARTS
 	help
 	  If you need to force read-only for 'RedBoot', 'RedBoot Config' and

drivers/mtd/maps/Kconfig

@@ -212,7 +212,7 @@ config MTD_NETtel
 	  Support for flash chips on NETtel/SecureEdge/SnapGear boards.
 
 config MTD_ALCHEMY
-	tristate '  AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support'
+	tristate "AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support"
 	depends on SOC_AU1X00
 	help
 	  Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards

drivers/scsi/Kconfig

@@ -1169,7 +1169,7 @@ config SCSI_NCR_Q720
 	  you do not have this SCSI card, so say N.
 
 config SCSI_NCR53C8XX_DEFAULT_TAGS
-	int "  default tagged command queue depth"
+	int "default tagged command queue depth"
 	depends on SCSI_ZALON || SCSI_NCR_Q720
 	default "8"
 	---help---
@@ -1195,7 +1195,7 @@ config SCSI_NCR53C8XX_DEFAULT_TAGS
 	  There is no safe option other than using good SCSI devices.
 
 config SCSI_NCR53C8XX_MAX_TAGS
-	int "  maximum number of queued commands"
+	int "maximum number of queued commands"
 	depends on SCSI_ZALON || SCSI_NCR_Q720
 	default "32"
 	---help---
@@ -1212,7 +1212,7 @@ config SCSI_NCR53C8XX_MAX_TAGS
 	  There is no safe option and the default answer is recommended.
 
 config SCSI_NCR53C8XX_SYNC
-	int "  synchronous transfers frequency in MHz"
+	int "synchronous transfers frequency in MHz"
 	depends on SCSI_ZALON || SCSI_NCR_Q720
 	default "20"
 	---help---
@@ -1246,7 +1246,7 @@ config SCSI_NCR53C8XX_SYNC
 	  terminations and SCSI conformant devices.
 
 config SCSI_NCR53C8XX_PROFILE
-	bool "  enable profiling"
+	bool "enable profiling"
 	depends on SCSI_ZALON || SCSI_NCR_Q720
 	help
 	  This option allows you to enable profiling information gathering.
@@ -1257,7 +1257,7 @@ config SCSI_NCR53C8XX_PROFILE
 	  The normal answer therefore is N.
 
 config SCSI_NCR53C8XX_NO_DISCONNECT
-	bool "  not allow targets to disconnect"
+	bool "not allow targets to disconnect"
 	depends on (SCSI_ZALON || SCSI_NCR_Q720) && SCSI_NCR53C8XX_DEFAULT_TAGS=0
 	help
 	  This option is only provided for safety if you suspect some SCSI

include/linux/license.h

+#ifndef __LICENSE_H
+#define __LICENSE_H
+
+static inline int license_is_gpl_compatible(const char *license)
+{
+	return (strcmp(license, "GPL") == 0
+		|| strcmp(license, "GPL v2") == 0
+		|| strcmp(license, "GPL and additional rights") == 0
+		|| strcmp(license, "Dual BSD/GPL") == 0
+		|| strcmp(license, "Dual MIT/GPL") == 0
+		|| strcmp(license, "Dual MPL/GPL") == 0);
+}
+
+#endif

init/Kconfig

+config DEFCONFIG_LIST
+	string
+	option defconfig_list
+	default "/lib/modules/$UNAME_RELEASE/.config"
+	default "/etc/kernel-config"
+	default "/boot/config-$UNAME_RELEASE"
+	default "arch/$ARCH/defconfig"
+
 menu "Code maturity level options"
 
 config EXPERIMENTAL

kernel/module.c

@@ -44,6 +44,7 @@
 #include <asm/uaccess.h>
 #include <asm/semaphore.h>
 #include <asm/cacheflush.h>
+#include <linux/license.h>
 
 #if 0
 #define DEBUGP printk
@@ -1251,16 +1252,6 @@ static void layout_sections(struct module *mod,
 	}
 }
 
-static inline int license_is_gpl_compatible(const char *license)
-{
-	return (strcmp(license, "GPL") == 0
-		|| strcmp(license, "GPL v2") == 0
-		|| strcmp(license, "GPL and additional rights") == 0
-		|| strcmp(license, "Dual BSD/GPL") == 0
-		|| strcmp(license, "Dual MIT/GPL") == 0
-		|| strcmp(license, "Dual MPL/GPL") == 0);
-}
-
 static void set_license(struct module *mod, const char *license)
 {
 	if (!license)

scripts/Kbuild.include

@@ -12,6 +12,11 @@ space   := $(empty) $(empty)
 # contain a comma
 depfile = $(subst $(comma),_,$(@D)/.$(@F).d)
 
+###
+# basetarget equals the filename of the target with no extension.
+# So 'foo/bar.o' becomes 'bar'
+basetarget = $(basename $(notdir $@))
+
 ###
 # Escape single quote for use in echo statements
 escsq = $(subst $(squote),'\$(squote)',$1)

scripts/Makefile.build

@@ -8,7 +8,7 @@ PHONY := __build
 __build:
 
 # Read .config if it exist, otherwise ignore
--include .config
+-include include/config/auto.conf
 
 include scripts/Kbuild.include
 
@@ -117,7 +117,7 @@ $(real-objs-m:.o=.lst): quiet_modtag := [M]
 $(obj-m)              : quiet_modtag := [M]
 
 # Default for not multi-part modules
-modname = $(*F)
+modname = $(basetarget)
 
 $(multi-objs-m)         : modname = $(modname-multi)
 $(multi-objs-m:.o=.i)   : modname = $(modname-multi)
@@ -140,6 +140,15 @@ cmd_cc_i_c       = $(CPP) $(c_flags)   -o $@ $<
 %.i: %.c FORCE
 	$(call if_changed_dep,cc_i_c)
 
+quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
+cmd_cc_symtypes_c	   = \
+		$(CPP) -D__GENKSYMS__ $(c_flags) $<			\
+		| $(GENKSYMS) -T $@ >/dev/null;				\
+		test -s $@ || rm -f $@
+
+%.symtypes : %.c FORCE
+	$(call if_changed_dep,cc_symtypes_c)
+
 # C (.c) files
 # The C file is compiled and updated dependency information is generated.
 # (See cmd_cc_o_c + relevant part of rule_cc_o_c)
@@ -166,7 +175,8 @@ cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<
 cmd_modversions =							\
 	if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then	\
 		$(CPP) -D__GENKSYMS__ $(c_flags) $<			\
-		| $(GENKSYMS) -a $(ARCH)				\
+		| $(GENKSYMS) $(if $(KBUILD_SYMTYPES),			\
+			      -T $(@D)/$(@F:.o=.symtypes)) -a $(ARCH)	\
 		> $(@D)/.tmp_$(@F:.o=.ver);				\
 									\
 		$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) 		\

scripts/Makefile.host

@@ -33,8 +33,8 @@
 __hostprogs := $(sort $(hostprogs-y)$(hostprogs-m))
 
 # hostprogs-y := tools/build may have been specified. Retreive directory
-obj-dirs += $(foreach f,$(__hostprogs), $(if $(dir $(f)),$(dir $(f))))
-obj-dirs := $(strip $(sort $(filter-out ./,$(obj-dirs))))
+host-objdirs := $(foreach f,$(__hostprogs), $(if $(dir $(f)),$(dir $(f))))
+host-objdirs := $(strip $(sort $(filter-out ./,$(host-objdirs))))
 
 
 # C code
@@ -73,13 +73,17 @@ host-cxxmulti	:= $(addprefix $(obj)/,$(host-cxxmulti))
 host-cxxobjs	:= $(addprefix $(obj)/,$(host-cxxobjs))
 host-cshlib	:= $(addprefix $(obj)/,$(host-cshlib))
 host-cshobjs	:= $(addprefix $(obj)/,$(host-cshobjs))
-obj-dirs        := $(addprefix $(obj)/,$(obj-dirs))
+host-objdirs    := $(addprefix $(obj)/,$(host-objdirs))
+
+obj-dirs += $(host-objdirs)
 
 #####
 # Handle options to gcc. Support building with separate output directory
 
-_hostc_flags   = $(HOSTCFLAGS)   $(HOST_EXTRACFLAGS)   $(HOSTCFLAGS_$(*F).o)
-_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) $(HOSTCXXFLAGS_$(*F).o)
+_hostc_flags   = $(HOSTCFLAGS)   $(HOST_EXTRACFLAGS)   \
+                 $(HOSTCFLAGS_$(basetarget).o)
+_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
+                 $(HOSTCXXFLAGS_$(basetarget).o)
 
 ifeq ($(KBUILD_SRC),)
 __hostc_flags	= $(_hostc_flags)

scripts/Makefile.lib

@@ -82,12 +82,12 @@ obj-dirs	:= $(addprefix $(obj)/,$(obj-dirs))
 #       than one module. In that case KBUILD_MODNAME will be set to foo_bar,
 #       where foo and bar are the name of the modules.
 name-fix = $(subst $(comma),_,$(subst -,_,$1))
-basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(*F)))"
+basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))"
 modname_flags  = $(if $(filter 1,$(words $(modname))),\
                  -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")
 
-_c_flags       = $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$(*F).o)
-_a_flags       = $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
+_c_flags       = $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$(basetarget).o)
+_a_flags       = $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o)
 _cpp_flags     = $(CPPFLAGS) $(EXTRA_CPPFLAGS) $(CPPFLAGS_$(@F))
 
 # If building the kernel in a separate objtree expand all occurrences

scripts/Makefile.modinst

@@ -17,7 +17,7 @@ __modinst: $(modules)
 	@:
 
 quiet_cmd_modules_install = INSTALL $@
-      cmd_modules_install = mkdir -p $(2); cp $@ $(2)
+      cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@)
 
 # Modules built outside the kernel source tree go into extra by default
 INSTALL_MOD_DIR ?= extra

scripts/Makefile.modpost

@@ -35,7 +35,7 @@
 PHONY := _modpost
 _modpost: __modpost
 
-include .config
+include include/config/auto.conf
 include scripts/Kbuild.include
 include scripts/Makefile.lib
 
@@ -72,7 +72,7 @@ $(modules:.ko=.mod.c): __modpost ;
 # Step 5), compile all *.mod.c files
 
 # modname is set to make c_flags define KBUILD_MODNAME
-modname = $(*F)
+modname = $(basetarget)
 
 quiet_cmd_cc_o_c = CC      $@
       cmd_cc_o_c = $(CC) $(c_flags) $(CFLAGS_MODULE)	\

scripts/basic/Makefile

 ###
 # Makefile.basic list the most basic programs used during the build process.
 # The programs listed herein is what is needed to do the basic stuff,
-# such as splitting .config and fix dependency file.
+# such as fix dependency file.
 # This initial step is needed to avoid files to be recompiled
 # when kernel configuration changes (which is what happens when
 # .config is included by main Makefile.
 # ---------------------------------------------------------------------------
 # fixdep: 	 Used to generate dependency information during build process
-# split-include: Divide all config symbols up in a number of files in
-#                include/config/...
 # docproc:	 Used in Documentation/docbook
 
-hostprogs-y	:= fixdep split-include docproc
+hostprogs-y	:= fixdep docproc
 always		:= $(hostprogs-y)
 
 # fixdep is needed to compile other host programs

scripts/basic/split-include.c

-/*
- * split-include.c
- *
- * Copyright abandoned, Michael Chastain, <mailto:mec@shout.net>.
- * This is a C version of syncdep.pl by Werner Almesberger.
- *
- * This program takes autoconf.h as input and outputs a directory full
- * of one-line include files, merging onto the old values.
- *
- * Think of the configuration options as key-value pairs.  Then there
- * are five cases:
- *
- *    key      old value   new value   action
- *
- *    KEY-1    VALUE-1     VALUE-1     leave file alone
- *    KEY-2    VALUE-2A    VALUE-2B    write VALUE-2B into file
- *    KEY-3    -           VALUE-3     write VALUE-3  into file
- *    KEY-4    VALUE-4     -           write an empty file
- *    KEY-5    (empty)     -           leave old empty file alone
- */
-
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#define ERROR_EXIT(strExit)						\
-    {									\
-	const int errnoSave = errno;					\
-	fprintf(stderr, "%s: ", str_my_name);				\
-	errno = errnoSave;						\
-	perror((strExit));						\
-	exit(1);							\
-    }
-
-
-
-int main(int argc, const char * argv [])
-{
-    const char * str_my_name;
-    const char * str_file_autoconf;
-    const char * str_dir_config;
-
-    FILE * fp_config;
-    FILE * fp_target;
-    FILE * fp_find;
-
-    int buffer_size;
-
-    char * line;
-    char * old_line;
-    char * list_target;
-    char * ptarget;
-
-    struct stat stat_buf;
-
-    /* Check arg count. */
-    if (argc != 3)
-    {
-	fprintf(stderr, "%s: wrong number of arguments.\n", argv[0]);
-	exit(1);
-    }
-
-    str_my_name       = argv[0];
-    str_file_autoconf = argv[1];
-    str_dir_config    = argv[2];
-
-    /* Find a buffer size. */
-    if (stat(str_file_autoconf, &stat_buf) != 0)
-	ERROR_EXIT(str_file_autoconf);
-    buffer_size = 2 * stat_buf.st_size + 4096;
-
-    /* Allocate buffers. */
-    if ( (line        = malloc(buffer_size)) == NULL
-    ||   (old_line    = malloc(buffer_size)) == NULL
-    ||   (list_target = malloc(buffer_size)) == NULL )
-	ERROR_EXIT(str_file_autoconf);
-
-    /* Open autoconfig file. */
-    if ((fp_config = fopen(str_file_autoconf, "r")) == NULL)
-	ERROR_EXIT(str_file_autoconf);
-
-    /* Make output directory if needed. */
-    if (stat(str_dir_config, &stat_buf) != 0)
-    {
-	if (mkdir(str_dir_config, 0755) != 0)
-	    ERROR_EXIT(str_dir_config);
-    }
-
-    /* Change to output directory. */
-    if (chdir(str_dir_config) != 0)
-	ERROR_EXIT(str_dir_config);
-
-    /* Put initial separator into target list. */
-    ptarget = list_target;
-    *ptarget++ = '\n';
-
-    /* Read config lines. */
-    while (fgets(line, buffer_size, fp_config))
-    {
-	const char * str_config;
-	int is_same;
-	int itarget;
-
-	if (line[0] != '#')
-	    continue;
-	if ((str_config = strstr(line, "CONFIG_")) == NULL)
-	    continue;
-
-	/* Make the output file name. */
-	str_config += sizeof("CONFIG_") - 1;
-	for (itarget = 0; !isspace(str_config[itarget]); itarget++)
-	{
-	    int c = (unsigned char) str_config[itarget];
-	    if (isupper(c)) c = tolower(c);
-	    if (c == '_')   c = '/';
-	    ptarget[itarget] = c;
-	}
-	ptarget[itarget++] = '.';
-	ptarget[itarget++] = 'h';
-	ptarget[itarget++] = '\0';
-
-	/* Check for existing file. */
-	is_same = 0;
-	if ((fp_target = fopen(ptarget, "r")) != NULL)
-	{
-	    fgets(old_line, buffer_size, fp_target);
-	    if (fclose(fp_target) != 0)
-		ERROR_EXIT(ptarget);
-	    if (!strcmp(line, old_line))
-		is_same = 1;
-	}
-
-	if (!is_same)
-	{
-	    /* Auto-create directories. */
-	    int islash;
-	    for (islash = 0; islash < itarget; islash++)
-	    {
-		if (ptarget[islash] == '/')
-		{
-		    ptarget[islash] = '\0';
-		    if (stat(ptarget, &stat_buf) != 0
-		    &&  mkdir(ptarget, 0755)     != 0)
-			ERROR_EXIT( ptarget );
-		    ptarget[islash] = '/';
-		}
-	    }
-
-	    /* Write the file. */
-	    if ((fp_target = fopen(ptarget, "w" )) == NULL)
-		ERROR_EXIT(ptarget);
-	    fputs(line, fp_target);
-	    if (ferror(fp_target) || fclose(fp_target) != 0)
-		ERROR_EXIT(ptarget);
-	}
-
-	/* Update target list */
-	ptarget += itarget;
-	*(ptarget-1) = '\n';
-    }
-
-    /*
-     * Close autoconfig file.
-     * Terminate the target list.
-     */
-    if (fclose(fp_config) != 0)
-	ERROR_EXIT(str_file_autoconf);
-    *ptarget = '\0';
-
-    /*
-     * Fix up existing files which have no new value.
-     * This is Case 4 and Case 5.
-     *
-     * I re-read the tree and filter it against list_target.
-     * This is crude.  But it avoids data copies.  Also, list_target
-     * is compact and contiguous, so it easily fits into cache.
-     *
-     * Notice that list_target contains strings separated by \n,
-     * with a \n before the first string and after the last.
-     * fgets gives the incoming names a terminating \n.
-     * So by having an initial \n, strstr will find exact matches.
-     */
-
-    fp_find = popen("find * -type f -name \"*.h\" -print", "r");
-    if (fp_find == 0)
-	ERROR_EXIT( "find" );
-
-    line[0] = '\n';
-    while (fgets(line+1, buffer_size, fp_find))
-    {
-	if (strstr(list_target, line) == NULL)
-	{
-	    /*
-	     * This is an old file with no CONFIG_* flag in autoconf.h.
-	     */
-
-	    /* First strip the \n. */
-	    line[strlen(line)-1] = '\0';
-
-	    /* Grab size. */
-	    if (stat(line+1, &stat_buf) != 0)
-		ERROR_EXIT(line);
-
-	    /* If file is not empty, make it empty and give it a fresh date. */
-	    if (stat_buf.st_size != 0)
-	    {
-		if ((fp_target = fopen(line+1, "w")) == NULL)
-		    ERROR_EXIT(line);
-		if (fclose(fp_target) != 0)
-		    ERROR_EXIT(line);
-	    }
-	}
-    }
-
-    if (pclose(fp_find) != 0)
-	ERROR_EXIT("find");
-
-    return 0;
-}

scripts/export_report.pl

+#!/usr/bin/perl -w
+#
+# (C) Copyright IBM Corporation 2006.
+#	Released under GPL v2.
+#	Author : Ram Pai (linuxram@us.ibm.com)
+#
+# Usage: export_report.pl -k Module.symvers [-o report_file ] -f *.mod.c
+#
+
+use Getopt::Std;
+use strict;
+
+sub numerically {
+	my $no1 = (split /\s+/, $a)[1];
+	my $no2 = (split /\s+/, $b)[1];
+	return $no1 <=> $no2;
+}
+
+sub alphabetically {
+	my ($module1, $value1) = @{$a};
+	my ($module2, $value2) = @{$b};
+	return $value1 <=> $value2 || $module2 cmp $module1;
+}
+
+sub print_depends_on {
+	my ($href) = @_;
+	print "\n";
+	while (my ($mod, $list) = each %$href) {
+		print "\t$mod:\n";
+		foreach my $sym (sort numerically @{$list}) {
+			my ($symbol, $no) = split /\s+/, $sym;
+			printf("\t\t%-25s\t%-25d\n", $symbol, $no);
+		}
+		print "\n";
+	}
+	print "\n";
+	print "~"x80 , "\n";
+}
+
+sub usage {
+        print "Usage: @_ -h -k Module.symvers  [ -o outputfile ] \n",
+	      "\t-f: treat all the non-option argument as .mod.c files. ",
+	      "Recommend using this as the last option\n",
+	      "\t-h: print detailed help\n",
+	      "\t-k: the path to Module.symvers file. By default uses ",
+	      "the file from the current directory\n",
+	      "\t-o outputfile: output the report to outputfile\n";
+	exit 0;
+}
+
+sub collectcfiles {
+        my @file = `cat .tmp_versions/*.mod | grep '.*\.ko\$'`;
+        @file = grep {s/\.ko/.mod.c/} @file;
+	chomp @file;
+        return @file;
+}
+
+my (%SYMBOL, %MODULE, %opt, @allcfiles);
+
+if (not getopts('hk:o:f',\%opt) or defined $opt{'h'}) {
+        usage($0);
+}
+
+if (defined $opt{'f'}) {
+	@allcfiles = @ARGV;
+} else {
+	@allcfiles = collectcfiles();
+}
+
+if (not defined $opt{'k'}) {
+	$opt{'k'} = "Module.symvers";
+}
+
+unless (open(MODULE_SYMVERS, $opt{'k'})) {
+	die "Sorry, cannot open $opt{'k'}: $!\n";
+}
+
+if (defined $opt{'o'}) {
+	unless (open(OUTPUT_HANDLE, ">$opt{'o'}")) {
+		die "Sorry, cannot open $opt{'o'} $!\n";
+	}
+	select OUTPUT_HANDLE;
+}
+#
+# collect all the symbols and their attributes from the
+# Module.symvers file
+#
+while ( <MODULE_SYMVERS> ) {
+	chomp;
+	my (undef, $symbol, $module, $gpl) = split;
+	$SYMBOL { $symbol } =  [ $module , "0" , $symbol, $gpl];
+}
+close(MODULE_SYMVERS);
+
+#
+# collect the usage count of each symbol.
+#
+foreach my $thismod (@allcfiles) {
+	unless (open(MODULE_MODULE, $thismod)) {
+		print "Sorry, cannot open $thismod: $!\n";
+		next;
+	}
+	my $state=0;
+	while ( <MODULE_MODULE> ) {
+		chomp;
+		if ($state eq 0) {
+			$state = 1 if ($_ =~ /static const struct modversion_info/);
+			next;
+		}
+		if ($state eq 1) {
+			$state = 2 if ($_ =~ /__attribute__\(\(section\("__versions"\)\)\)/);
+			next;
+		}
+		if ($state eq 2) {
+			if ( $_ !~ /0x[0-9a-f]{7,8},/ ) {
+				next;
+			}
+			my $sym = (split /([,"])/,)[4];
+			my ($module, $value, $symbol, $gpl) = @{$SYMBOL{$sym}};
+			$SYMBOL{ $sym } =  [ $module, $value+1, $symbol, $gpl];
+			push(@{$MODULE{$thismod}} , $sym);
+		}
+	}
+	if ($state ne 2) {
+		print "WARNING:$thismod is not built with CONFIG_MODVERSION enabled\n";
+	}
+	close(MODULE_MODULE);
+}
+
+print "\tThis file reports the exported symbols usage patterns by in-tree\n",
+	"\t\t\t\tmodules\n";
+printf("%s\n\n\n","x"x80);
+printf("\t\t\t\tINDEX\n\n\n");
+printf("SECTION 1: Usage counts of all exported symbols\n");
+printf("SECTION 2: List of modules and the exported symbols they use\n");
+printf("%s\n\n\n","x"x80);
+printf("SECTION 1:\tThe exported symbols and their usage count\n\n");
+printf("%-25s\t%-25s\t%-5s\t%-25s\n", "Symbol", "Module", "Usage count",
+	"export type");
+
+#
+# print the list of unused exported symbols
+#
+foreach my $list (sort alphabetically values(%SYMBOL)) {
+	my ($module, $value, $symbol, $gpl) = @{$list};
+	printf("%-25s\t%-25s\t%-10s\t", $symbol, $module, $value);
+	if (defined $gpl) {
+		printf("%-25s\n",$gpl);
+	} else {
+		printf("\n");
+	}
+}
+printf("%s\n\n\n","x"x80);
+
+printf("SECTION 2:\n\tThis section reports export-symbol-usage of in-kernel
+modules. Each module lists the modules, and the symbols from that module that
+it uses.  Each listed symbol reports the number of modules using it\n");
+
+print "~"x80 , "\n";
+while (my ($thismod, $list) = each %MODULE) {
+	my %depends;
+	$thismod =~ s/\.mod\.c/.ko/;
+	print "\t\t\t$thismod\n";
+	foreach my $symbol (@{$list}) {
+		my ($module, $value, undef, $gpl) = @{$SYMBOL{$symbol}};
+		push (@{$depends{"$module"}}, "$symbol $value");
+	}
+	print_depends_on(\%depends);
+}

scripts/genksyms/genksyms.c

@@ -42,7 +42,7 @@ static FILE *debugfile;
 int cur_line = 1;
 char *cur_filename;
 
-static int flag_debug, flag_dump_defs, flag_warnings;
+static int flag_debug, flag_dump_defs, flag_dump_types, flag_warnings;
 static const char *arch = "";
 static const char *mod_prefix = "";
 
@@ -50,6 +50,7 @@ static int errors;
 static int nsyms;
 
 static struct symbol *expansion_trail;
+static struct symbol *visited_symbols;
 
 static const char *const symbol_type_name[] = {
 	"normal", "typedef", "enum", "struct", "union"
@@ -176,6 +177,7 @@ struct symbol *add_symbol(const char *name, enum symbol_type type,
 	sym->type = type;
 	sym->defn = defn;
 	sym->expansion_trail = NULL;
+	sym->visited = NULL;
 	sym->is_extern = is_extern;
 
 	sym->hash_next = symtab[h];
@@ -236,26 +238,11 @@ static int equal_list(struct string_list *a, struct string_list *b)
 
 static void print_node(FILE * f, struct string_list *list)
 {
-	switch (list->tag) {
-	case SYM_STRUCT:
-		putc('s', f);
-		goto printit;
-	case SYM_UNION:
-		putc('u', f);
-		goto printit;
-	case SYM_ENUM:
-		putc('e', f);
-		goto printit;
-	case SYM_TYPEDEF:
-		putc('t', f);
-		goto printit;
-
-	      printit:
+	if (list->tag != SYM_NORMAL) {
+		putc(symbol_type_name[list->tag][0], f);
 		putc('#', f);
-	case SYM_NORMAL:
-		fputs(list->string, f);
-		break;
 	}
+	fputs(list->string, f);
 }
 
 static void print_list(FILE * f, struct string_list *list)
@@ -287,9 +274,9 @@ static void print_list(FILE * f, struct string_list *list)
 	}
 }
 
-static unsigned long expand_and_crc_list(struct string_list *list,
-					 unsigned long crc)
+static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc)
 {
+	struct string_list *list = sym->defn;
 	struct string_list **e, **b;
 	struct string_list *tmp, **tmp2;
 	int elem = 1;
@@ -332,7 +319,7 @@ static unsigned long expand_and_crc_list(struct string_list *list,
 			} else {
 				subsym->expansion_trail = expansion_trail;
 				expansion_trail = subsym;
-				crc = expand_and_crc_list(subsym->defn, crc);
+				crc = expand_and_crc_sym(subsym, crc);
 			}
 			break;
 
@@ -382,12 +369,22 @@ static unsigned long expand_and_crc_list(struct string_list *list,
 			} else {
 				subsym->expansion_trail = expansion_trail;
 				expansion_trail = subsym;
-				crc = expand_and_crc_list(subsym->defn, crc);
+				crc = expand_and_crc_sym(subsym, crc);
 			}
 			break;
 		}
 	}
 
+	{
+		static struct symbol **end = &visited_symbols;
+
+		if (!sym->visited) {
+			*end = sym;
+			end = &sym->visited;
+			sym->visited = (struct symbol *)-1L;
+		}
+	}
+
 	return crc;
 }
 
@@ -406,7 +403,7 @@ void export_symbol(const char *name)
 
 		expansion_trail = (struct symbol *)-1L;
 
-		crc = expand_and_crc_list(sym->defn, 0xffffffff) ^ 0xffffffff;
+		crc = expand_and_crc_sym(sym, 0xffffffff) ^ 0xffffffff;
 
 		sym = expansion_trail;
 		while (sym != (struct symbol *)-1L) {
@@ -464,6 +461,7 @@ static void genksyms_usage(void)
 
 int main(int argc, char **argv)
 {
+	FILE *dumpfile = NULL;
 	int o;
 
 #ifdef __GNU_LIBRARY__
@@ -473,15 +471,16 @@ int main(int argc, char **argv)
 		{"warnings", 0, 0, 'w'},
 		{"quiet", 0, 0, 'q'},
 		{"dump", 0, 0, 'D'},
+		{"dump-types", 1, 0, 'T'},
 		{"version", 0, 0, 'V'},
 		{"help", 0, 0, 'h'},
 		{0, 0, 0, 0}
 	};
 
-	while ((o = getopt_long(argc, argv, "a:dwqVDk:p:",
+	while ((o = getopt_long(argc, argv, "a:dwqVDT:k:p:",
 				&long_opts[0], NULL)) != EOF)
 #else				/* __GNU_LIBRARY__ */
-	while ((o = getopt(argc, argv, "a:dwqVDk:p:")) != EOF)
+	while ((o = getopt(argc, argv, "a:dwqVDT:k:p:")) != EOF)
 #endif				/* __GNU_LIBRARY__ */
 		switch (o) {
 		case 'a':
@@ -502,6 +501,14 @@ int main(int argc, char **argv)
 		case 'D':
 			flag_dump_defs = 1;
 			break;
+		case 'T':
+			flag_dump_types = 1;
+			dumpfile = fopen(optarg, "w");
+			if (!dumpfile) {
+				perror(optarg);
+				return 1;
+			}
+			break;
 		case 'h':
 			genksyms_usage();
 			return 0;
@@ -524,6 +531,24 @@ int main(int argc, char **argv)
 
 	yyparse();
 
+	if (flag_dump_types && visited_symbols) {
+		while (visited_symbols != (struct symbol *)-1L) {
+			struct symbol *sym = visited_symbols;
+
+			if (sym->type != SYM_NORMAL) {
+				putc(symbol_type_name[sym->type][0], dumpfile);
+				putc('#', dumpfile);
+			}
+			fputs(sym->name, dumpfile);
+			putc(' ', dumpfile);
+			print_list(dumpfile, sym->defn);
+			putc('\n', dumpfile);
+
+			visited_symbols = sym->visited;
+			sym->visited = NULL;
+		}
+	}
+
 	if (flag_debug) {
 		fprintf(debugfile, "Hash table occupancy %d/%d = %g\n",
 			nsyms, HASH_BUCKETS,

scripts/genksyms/genksyms.h

@@ -41,6 +41,7 @@ struct symbol {
 	enum symbol_type type;
 	struct string_list *defn;
 	struct symbol *expansion_trail;
+	struct symbol *visited;
 	int is_extern;
 };
 

scripts/genksyms/lex.c_shipped

@@ -2023,7 +2023,7 @@ repeat:
       break;
 
     default:
-      abort();
+      exit(1);
     }
 fini:
 

scripts/genksyms/lex.l

@@ -392,7 +392,7 @@ repeat:
       break;
 
     default:
-      abort();
+      exit(1);
     }
 fini:
 

scripts/kconfig/conf.c

@@ -539,6 +539,7 @@ int main(int ac, char **av)
   	name = av[i];
 	if (!name) {
 		printf(_("%s: Kconfig file missing\n"), av[0]);
+		exit(1);
 	}
 	conf_parse(name);
 	//zconfdump(stdout);
@@ -573,7 +574,7 @@ int main(int ac, char **av)
 	case set_random:
 		name = getenv("KCONFIG_ALLCONFIG");
 		if (name && !stat(name, &tmpstat)) {
-			conf_read_simple(name);
+			conf_read_simple(name, S_DEF_USER);
 			break;
 		}
 		switch (input_mode) {
@@ -584,9 +585,9 @@ int main(int ac, char **av)
 		default: break;
 		}
 		if (!stat(name, &tmpstat))
-			conf_read_simple(name);
+			conf_read_simple(name, S_DEF_USER);
 		else if (!stat("all.config", &tmpstat))
-			conf_read_simple("all.config");
+			conf_read_simple("all.config", S_DEF_USER);
 		break;
 	default:
 		break;
@@ -599,7 +600,15 @@ int main(int ac, char **av)
 			input_mode = ask_silent;
 			valid_stdin = 1;
 		}
-	}
+	} else if (sym_change_count) {
+		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);
@@ -608,5 +617,11 @@ int main(int ac, char **av)
 		fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
 		return 1;
 	}
+skip_check:
+	if (input_mode == ask_silent && conf_write_autoconf()) {
+		fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
+		return 1;
+	}
+
 	return 0;
 }

scripts/kconfig/expr.c

@@ -145,7 +145,8 @@ static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct e
 		return;
 	}
 	if (e1->type == E_SYMBOL && e2->type == E_SYMBOL &&
-	    e1->left.sym == e2->left.sym && (e1->left.sym->flags & (SYMBOL_YES|SYMBOL_NO)))
+	    e1->left.sym == e2->left.sym &&
+	    (e1->left.sym == &symbol_yes || e1->left.sym == &symbol_no))
 		return;
 	if (!expr_eq(e1, e2))
 		return;
@@ -1012,73 +1013,73 @@ int expr_compare_type(enum expr_type t1, enum expr_type t2)
 #endif
 }
 
-void expr_print(struct expr *e, void (*fn)(void *, const char *), void *data, int prevtoken)
+void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken)
 {
 	if (!e) {
-		fn(data, "y");
+		fn(data, NULL, "y");
 		return;
 	}
 
 	if (expr_compare_type(prevtoken, e->type) > 0)
-		fn(data, "(");
+		fn(data, NULL, "(");
 	switch (e->type) {
 	case E_SYMBOL:
 		if (e->left.sym->name)
-			fn(data, e->left.sym->name);
+			fn(data, e->left.sym, e->left.sym->name);
 		else
-			fn(data, "<choice>");
+			fn(data, NULL, "<choice>");
 		break;
 	case E_NOT:
-		fn(data, "!");
+		fn(data, NULL, "!");
 		expr_print(e->left.expr, fn, data, E_NOT);
 		break;
 	case E_EQUAL:
-		fn(data, e->left.sym->name);
-		fn(data, "=");
-		fn(data, e->right.sym->name);
+		fn(data, e->left.sym, e->left.sym->name);
+		fn(data, NULL, "=");
+		fn(data, e->right.sym, e->right.sym->name);
 		break;
 	case E_UNEQUAL:
-		fn(data, e->left.sym->name);
-		fn(data, "!=");
-		fn(data, e->right.sym->name);
+		fn(data, e->left.sym, e->left.sym->name);
+		fn(data, NULL, "!=");
+		fn(data, e->right.sym, e->right.sym->name);
 		break;
 	case E_OR:
 		expr_print(e->left.expr, fn, data, E_OR);
-		fn(data, " || ");
+		fn(data, NULL, " || ");
 		expr_print(e->right.expr, fn, data, E_OR);
 		break;
 	case E_AND:
 		expr_print(e->left.expr, fn, data, E_AND);
-		fn(data, " && ");
+		fn(data, NULL, " && ");
 		expr_print(e->right.expr, fn, data, E_AND);
 		break;
 	case E_CHOICE:
-		fn(data, e->right.sym->name);
+		fn(data, e->right.sym, e->right.sym->name);
 		if (e->left.expr) {
-			fn(data, " ^ ");
+			fn(data, NULL, " ^ ");
 			expr_print(e->left.expr, fn, data, E_CHOICE);
 		}
 		break;
 	case E_RANGE:
-		fn(data, "[");
-		fn(data, e->left.sym->name);
-		fn(data, " ");
-		fn(data, e->right.sym->name);
-		fn(data, "]");
+		fn(data, NULL, "[");
+		fn(data, e->left.sym, e->left.sym->name);
+		fn(data, NULL, " ");
+		fn(data, e->right.sym, e->right.sym->name);
+		fn(data, NULL, "]");
 		break;
 	default:
 	  {
 		char buf[32];
 		sprintf(buf, "<unknown type %d>", e->type);
-		fn(data, buf);
+		fn(data, NULL, buf);
 		break;
 	  }
 	}
 	if (expr_compare_type(prevtoken, e->type) > 0)
-		fn(data, ")");
+		fn(data, NULL, ")");
 }
 
-static void expr_print_file_helper(void *data, const char *str)
+static void expr_print_file_helper(void *data, struct symbol *sym, const char *str)
 {
 	fwrite(str, strlen(str), 1, data);
 }
@@ -1088,7 +1089,7 @@ void expr_fprint(struct expr *e, FILE *out)
 	expr_print(e, expr_print_file_helper, out, E_NONE);
 }
 
-static void expr_print_gstr_helper(void *data, const char *str)
+static void expr_print_gstr_helper(void *data, struct symbol *sym, const char *str)
 {
 	str_append((struct gstr*)data, str);
 }

scripts/kconfig/expr.h

@@ -63,12 +63,18 @@ enum symbol_type {
 	S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING, S_OTHER
 };
 
+enum {
+	S_DEF_USER,		/* main user value */
+	S_DEF_AUTO,
+};
+
 struct symbol {
 	struct symbol *next;
 	char *name;
 	char *help;
 	enum symbol_type type;
-	struct symbol_value curr, user;
+	struct symbol_value curr;
+	struct symbol_value def[4];
 	tristate visible;
 	int flags;
 	struct property *prop;
@@ -78,10 +84,7 @@ struct symbol {
 
 #define for_all_symbols(i, sym) for (i = 0; i < 257; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER)
 
-#define SYMBOL_YES		0x0001
-#define SYMBOL_MOD		0x0002
-#define SYMBOL_NO		0x0004
-#define SYMBOL_CONST		0x0007
+#define SYMBOL_CONST		0x0001
 #define SYMBOL_CHECK		0x0008
 #define SYMBOL_CHOICE		0x0010
 #define SYMBOL_CHOICEVAL	0x0020
@@ -90,10 +93,14 @@ struct symbol {
 #define SYMBOL_OPTIONAL		0x0100
 #define SYMBOL_WRITE		0x0200
 #define SYMBOL_CHANGED		0x0400
-#define SYMBOL_NEW		0x0800
 #define SYMBOL_AUTO		0x1000
 #define SYMBOL_CHECKED		0x2000
 #define SYMBOL_WARNED		0x8000
+#define SYMBOL_DEF		0x10000
+#define SYMBOL_DEF_USER		0x10000
+#define SYMBOL_DEF_AUTO		0x20000
+#define SYMBOL_DEF3		0x40000
+#define SYMBOL_DEF4		0x80000
 
 #define SYMBOL_MAXLENGTH	256
 #define SYMBOL_HASHSIZE		257
@@ -149,6 +156,7 @@ struct file *lookup_file(const char *name);
 
 extern struct symbol symbol_yes, symbol_no, symbol_mod;
 extern struct symbol *modules_sym;
+extern struct symbol *sym_defconfig_list;
 extern int cdebug;
 struct expr *expr_alloc_symbol(struct symbol *sym);
 struct expr *expr_alloc_one(enum expr_type type, struct expr *ce);

scripts/kconfig/gconf.c

@@ -114,12 +114,6 @@ const char *dbg_print_flags(int val)
 
 	bzero(buf, 256);
 
-	if (val & SYMBOL_YES)
-		strcat(buf, "yes/");
-	if (val & SYMBOL_MOD)
-		strcat(buf, "mod/");
-	if (val & SYMBOL_NO)
-		strcat(buf, "no/");
 	if (val & SYMBOL_CONST)
 		strcat(buf, "const/");
 	if (val & SYMBOL_CHECK)
@@ -138,8 +132,6 @@ const char *dbg_print_flags(int val)
 		strcat(buf, "write/");
 	if (val & SYMBOL_CHANGED)
 		strcat(buf, "changed/");
-	if (val & SYMBOL_NEW)
-		strcat(buf, "new/");
 	if (val & SYMBOL_AUTO)
 		strcat(buf, "auto/");
 
@@ -1192,9 +1184,7 @@ static gchar **fill_row(struct menu *menu)
 
 	row[COL_OPTION] =
 	    g_strdup_printf("%s %s", menu_get_prompt(menu),
-			    sym ? (sym->
-				   flags & SYMBOL_NEW ? "(NEW)" : "") :
-			    "");
+			    sym && sym_has_value(sym) ? "(NEW)" : "");
 
 	if (show_all && !menu_is_visible(menu))
 		row[COL_COLOR] = g_strdup("DarkGray");

scripts/kconfig/lex.zconf.c_shipped

@@ -8,7 +8,7 @@
 #define FLEX_SCANNER
 #define YY_FLEX_MAJOR_VERSION 2
 #define YY_FLEX_MINOR_VERSION 5
-#define YY_FLEX_SUBMINOR_VERSION 31
+#define YY_FLEX_SUBMINOR_VERSION 33
 #if YY_FLEX_SUBMINOR_VERSION > 0
 #define FLEX_BETA
 #endif
@@ -30,7 +30,15 @@
 
 /* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
 
-#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
+#if __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types.
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
 #include <inttypes.h>
 typedef int8_t flex_int8_t;
 typedef uint8_t flex_uint8_t;
@@ -134,6 +142,10 @@ typedef unsigned int flex_uint32_t;
 #define YY_BUF_SIZE 16384
 #endif
 
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
 #ifndef YY_TYPEDEF_YY_BUFFER_STATE
 #define YY_TYPEDEF_YY_BUFFER_STATE
 typedef struct yy_buffer_state *YY_BUFFER_STATE;
@@ -267,7 +279,7 @@ int zconfleng;
 
 /* Points to current character in buffer. */
 static char *yy_c_buf_p = (char *) 0;
-static int yy_init = 1;		/* whether we need to initialize */
+static int yy_init = 0;		/* whether we need to initialize */
 static int yy_start = 0;	/* start state number */
 
 /* Flag which is used to allow zconfwrap()'s to do buffer switches
@@ -820,6 +832,8 @@ void alloc_string(const char *str, int size)
 #define YY_EXTRA_TYPE void *
 #endif
 
+static int yy_init_globals (void );
+
 /* Macros after this point can all be overridden by user definitions in
  * section 1.
  */
@@ -942,9 +956,9 @@ YY_DECL
 	int str = 0;
 	int ts, i;
 
-	if ( (yy_init) )
+	if ( !(yy_init) )
 		{
-		(yy_init) = 0;
+		(yy_init) = 1;
 
 #ifdef YY_USER_INIT
 		YY_USER_INIT;
@@ -1452,7 +1466,7 @@ static int yy_get_next_buffer (void)
 
 	else
 		{
-			size_t num_to_read =
+			int num_to_read =
 			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
 
 		while ( num_to_read <= 0 )
@@ -1969,16 +1983,16 @@ YY_BUFFER_STATE zconf_scan_buffer  (char * base, yy_size_t  size )
 
 /** Setup the input buffer state to scan a string. The next call to zconflex() will
  * scan from a @e copy of @a str.
- * @param yy_str a NUL-terminated string to scan
+ * @param yystr a NUL-terminated string to scan
  * 
  * @return the newly allocated buffer state object.
  * @note If you want to scan bytes that may contain NUL values, then use
  *       zconf_scan_bytes() instead.
  */
-YY_BUFFER_STATE zconf_scan_string (yyconst char * yy_str )
+YY_BUFFER_STATE zconf_scan_string (yyconst char * yystr )
 {
     
-	return zconf_scan_bytes(yy_str,strlen(yy_str) );
+	return zconf_scan_bytes(yystr,strlen(yystr) );
 }
 
 /** Setup the input buffer state to scan the given bytes. The next call to zconflex() will
@@ -1988,7 +2002,7 @@ YY_BUFFER_STATE zconf_scan_string (yyconst char * yy_str )
  * 
  * @return the newly allocated buffer state object.
  */
-YY_BUFFER_STATE zconf_scan_bytes  (yyconst char * bytes, int  len )
+YY_BUFFER_STATE zconf_scan_bytes  (yyconst char * yybytes, int  _yybytes_len )
 {
 	YY_BUFFER_STATE b;
 	char *buf;
@@ -1996,15 +2010,15 @@ YY_BUFFER_STATE zconf_scan_bytes  (yyconst char * bytes, int  len )
 	int i;
     
 	/* Get memory for full buffer, including space for trailing EOB's. */
-	n = len + 2;
+	n = _yybytes_len + 2;
 	buf = (char *) zconfalloc(n  );
 	if ( ! buf )
 		YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" );
 
-	for ( i = 0; i < len; ++i )
-		buf[i] = bytes[i];
+	for ( i = 0; i < _yybytes_len; ++i )
+		buf[i] = yybytes[i];
 
-	buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
 
 	b = zconf_scan_buffer(buf,n );
 	if ( ! b )
@@ -2125,6 +2139,34 @@ void zconfset_debug (int  bdebug )
         zconf_flex_debug = bdebug ;
 }
 
+static int yy_init_globals (void)
+{
+        /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from zconflex_destroy(), so don't allocate here.
+     */
+
+    (yy_buffer_stack) = 0;
+    (yy_buffer_stack_top) = 0;
+    (yy_buffer_stack_max) = 0;
+    (yy_c_buf_p) = (char *) 0;
+    (yy_init) = 0;
+    (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    zconfin = stdin;
+    zconfout = stdout;
+#else
+    zconfin = (FILE *) 0;
+    zconfout = (FILE *) 0;
+#endif
+
+    /* For future reference: Set errno on error, since we are called by
+     * zconflex_init()
+     */
+    return 0;
+}
+
 /* zconflex_destroy is for both reentrant and non-reentrant scanners. */
 int zconflex_destroy  (void)
 {
@@ -2140,6 +2182,10 @@ int zconflex_destroy  (void)
 	zconffree((yy_buffer_stack) );
 	(yy_buffer_stack) = NULL;
 
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * zconflex() is called, initialization will occur. */
+    yy_init_globals( );
+
     return 0;
 }
 
@@ -2151,7 +2197,7 @@ int zconflex_destroy  (void)
 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
 {
 	register int i;
-    	for ( i = 0; i < n; ++i )
+	for ( i = 0; i < n; ++i )
 		s1[i] = s2[i];
 }
 #endif
@@ -2160,7 +2206,7 @@ static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
 static int yy_flex_strlen (yyconst char * s )
 {
 	register int n;
-    	for ( n = 0; s[n]; ++n )
+	for ( n = 0; s[n]; ++n )
 		;
 
 	return n;
@@ -2191,19 +2237,6 @@ void zconffree (void * ptr )
 
 #define YYTABLES_NAME "yytables"
 
-#undef YY_NEW_FILE
-#undef YY_FLUSH_BUFFER
-#undef yy_set_bol
-#undef yy_new_buffer
-#undef yy_set_interactive
-#undef yytext_ptr
-#undef YY_DO_BEFORE_ACTION
-
-#ifdef YY_DECL_IS_OURS
-#undef YY_DECL_IS_OURS
-#undef YY_DECL
-#endif
-
 void zconf_starthelp(void)
 {
 	new_string();

scripts/kconfig/lkc.h

@@ -40,6 +40,10 @@ extern "C" {
 
 #define TF_COMMAND	0x0001
 #define TF_PARAM	0x0002
+#define TF_OPTION	0x0004
+
+#define T_OPT_MODULES		1
+#define T_OPT_DEFCONFIG_LIST	2
 
 struct kconf_id {
 	int name;
@@ -60,8 +64,6 @@ int zconf_lineno(void);
 char *zconf_curname(void);
 
 /* confdata.c */
-extern const char conf_def_filename[];
-
 char *conf_get_default_confname(void);
 
 /* kconfig_load.c */
@@ -78,6 +80,7 @@ struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *e
 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
+void menu_add_option(int token, char *arg);
 void menu_finalize(struct menu *parent);
 void menu_set_type(int type);
 
@@ -99,6 +102,7 @@ const char *str_get(struct gstr *gs);
 /* symbol.c */
 void sym_init(void);
 void sym_clear_all_valid(void);
+void sym_set_all_changed(void);
 void sym_set_changed(struct symbol *sym);
 struct symbol *sym_check_deps(struct symbol *sym);
 struct property *prop_alloc(enum prop_type type, struct symbol *sym);
@@ -137,7 +141,7 @@ static inline bool sym_is_optional(struct symbol *sym)
 
 static inline bool sym_has_value(struct symbol *sym)
 {
-	return sym->flags & SYMBOL_NEW ? false : true;
+	return sym->flags & SYMBOL_DEF_USER ? true : false;
 }
 
 #ifdef __cplusplus

scripts/kconfig/lkc_proto.h

@@ -2,8 +2,9 @@
 /* confdata.c */
 P(conf_parse,void,(const char *name));
 P(conf_read,int,(const char *name));
-P(conf_read_simple,int,(const char *name));
+P(conf_read_simple,int,(const char *name, int));
 P(conf_write,int,(const char *name));
+P(conf_write_autoconf,int,(void));
 
 /* menu.c */
 P(rootmenu,struct menu,);
@@ -38,4 +39,4 @@ P(prop_get_type_name,const char *,(enum prop_type type));
 
 /* expr.c */
 P(expr_compare_type,int,(enum expr_type t1, enum expr_type t2));
-P(expr_print,void,(struct expr *e, void (*fn)(void *, const char *), void *data, int prevtoken));
+P(expr_print,void,(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken));

scripts/kconfig/menu.c

@@ -114,7 +114,7 @@ void menu_set_type(int type)
 		sym->type = type;
 		return;
 	}
-	menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'\n",
+	menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'",
 	    sym->name ? sym->name : "<choice>",
 	    sym_type_name(sym->type), sym_type_name(type));
 }
@@ -124,15 +124,20 @@ struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *e
 	struct property *prop = prop_alloc(type, current_entry->sym);
 
 	prop->menu = current_entry;
-	prop->text = prompt;
 	prop->expr = expr;
 	prop->visible.expr = menu_check_dep(dep);
 
 	if (prompt) {
+		if (isspace(*prompt)) {
+			prop_warn(prop, "leading whitespace ignored");
+			while (isspace(*prompt))
+				prompt++;
+		}
 		if (current_entry->prompt)
-			menu_warn(current_entry, "prompt redefined\n");
+			prop_warn(prop, "prompt redefined");
 		current_entry->prompt = prop;
 	}
+	prop->text = prompt;
 
 	return prop;
 }
@@ -152,6 +157,24 @@ void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
 	menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
 }
 
+void menu_add_option(int token, char *arg)
+{
+	struct property *prop;
+
+	switch (token) {
+	case T_OPT_MODULES:
+		prop = prop_alloc(P_DEFAULT, modules_sym);
+		prop->expr = expr_alloc_symbol(current_entry->sym);
+		break;
+	case T_OPT_DEFCONFIG_LIST:
+		if (!sym_defconfig_list)
+			sym_defconfig_list = current_entry->sym;
+		else if (sym_defconfig_list != current_entry->sym)
+			zconf_error("trying to redefine defconfig symbol");
+		break;
+	}
+}
+
 static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
 {
 	return sym2->type == S_INT || sym2->type == S_HEX ||
@@ -325,11 +348,10 @@ void menu_finalize(struct menu *parent)
 
 	if (sym && !(sym->flags & SYMBOL_WARNED)) {
 		if (sym->type == S_UNKNOWN)
-			menu_warn(parent, "config symbol defined "
-			    "without type\n");
+			menu_warn(parent, "config symbol defined without type");
 
 		if (sym_is_choice(sym) && !parent->prompt)
-			menu_warn(parent, "choice must have a prompt\n");
+			menu_warn(parent, "choice must have a prompt");
 
 		/* Check properties connected to this symbol */
 		sym_check_prop(sym);

scripts/kconfig/qconf.h

@@ -7,9 +7,25 @@
 #if QT_VERSION >= 300
 #include <qsettings.h>
 #else
-class QSettings { };
+class QSettings {
+public:
+	void beginGroup(const QString& group) { }
+	void endGroup(void) { }
+	bool readBoolEntry(const QString& key, bool def = FALSE, bool* ok = 0) const
+	{ if (ok) *ok = FALSE; return def; }
+	int readNumEntry(const QString& key, int def = 0, bool* ok = 0) const
+	{ if (ok) *ok = FALSE; return def; }
+	QString readEntry(const QString& key, const QString& def = QString::null, bool* ok = 0) const
+	{ if (ok) *ok = FALSE; return def; }
+	QStringList readListEntry(const QString& key, bool* ok = 0) const
+	{ if (ok) *ok = FALSE; return QStringList(); }
+	template <class t>
+	bool writeEntry(const QString& key, t value)
+	{ return TRUE; }
+};
 #endif
 
+class ConfigView;
 class ConfigList;
 class ConfigItem;
 class ConfigLineEdit;
@@ -18,64 +34,38 @@ class ConfigMainWindow;
 
 class ConfigSettings : public QSettings {
 public:
-	ConfigSettings();
-
-#if QT_VERSION >= 300
-	void readListSettings();
 	QValueList<int> readSizes(const QString& key, bool *ok);
 	bool writeSizes(const QString& key, const QValueList<int>& value);
-#endif
-
-	bool showAll;
-	bool showName;
-	bool showRange;
-	bool showData;
-};
-
-class ConfigView : public QVBox {
-	Q_OBJECT
-	typedef class QVBox Parent;
-public:
-	ConfigView(QWidget* parent, ConfigMainWindow* cview, ConfigSettings* configSettings);
-	~ConfigView(void);
-	static void updateList(ConfigItem* item);
-	static void updateListAll(void);
-
-public:
-	ConfigList* list;
-	ConfigLineEdit* lineEdit;
-
-	static ConfigView* viewList;
-	ConfigView* nextView;
 };
 
 enum colIdx {
 	promptColIdx, nameColIdx, noColIdx, modColIdx, yesColIdx, dataColIdx, colNr
 };
 enum listMode {
-	singleMode, menuMode, symbolMode, fullMode
+	singleMode, menuMode, symbolMode, fullMode, listMode
 };
 
 class ConfigList : public QListView {
 	Q_OBJECT
 	typedef class QListView Parent;
 public:
-	ConfigList(ConfigView* p, ConfigMainWindow* cview, ConfigSettings *configSettings);
+	ConfigList(ConfigView* p, const char *name = 0);
 	void reinit(void);
 	ConfigView* parent(void) const
 	{
 		return (ConfigView*)Parent::parent();
 	}
+	ConfigItem* findConfigItem(struct menu *);
 
 protected:
-	ConfigMainWindow* cview;
-
 	void keyPressEvent(QKeyEvent *e);
 	void contentsMousePressEvent(QMouseEvent *e);
 	void contentsMouseReleaseEvent(QMouseEvent *e);
 	void contentsMouseMoveEvent(QMouseEvent *e);
 	void contentsMouseDoubleClickEvent(QMouseEvent *e);
 	void focusInEvent(QFocusEvent *e);
+	void contextMenuEvent(QContextMenuEvent *e);
+
 public slots:
 	void setRootMenu(struct menu *menu);
 
@@ -83,10 +73,12 @@ public slots:
 	void setValue(ConfigItem* item, tristate val);
 	void changeValue(ConfigItem* item);
 	void updateSelection(void);
+	void saveSettings(void);
 signals:
+	void menuChanged(struct menu *menu);
 	void menuSelected(struct menu *menu);
 	void parentSelected(void);
-	void gotFocus(void);
+	void gotFocus(struct menu *);
 
 public:
 	void updateListAll(void)
@@ -137,6 +129,7 @@ public:
 	struct menu *rootEntry;
 	QColorGroup disabledColorGroup;
 	QColorGroup inactivedColorGroup;
+	QPopupMenu* headerPopup;
 
 private:
 	int colMap[colNr];
@@ -208,9 +201,7 @@ class ConfigLineEdit : public QLineEdit {
 	Q_OBJECT
 	typedef class QLineEdit Parent;
 public:
-	ConfigLineEdit(ConfigView* parent)
-	: Parent(parent)
-	{ }
+	ConfigLineEdit(ConfigView* parent);
 	ConfigView* parent(void) const
 	{
 		return (ConfigView*)Parent::parent();
@@ -222,26 +213,104 @@ public:
 	ConfigItem *item;
 };
 
+class ConfigView : public QVBox {
+	Q_OBJECT
+	typedef class QVBox Parent;
+public:
+	ConfigView(QWidget* parent, const char *name = 0);
+	~ConfigView(void);
+	static void updateList(ConfigItem* item);
+	static void updateListAll(void);
+
+	bool showAll(void) const { return list->showAll; }
+	bool showName(void) const { return list->showName; }
+	bool showRange(void) const { return list->showRange; }
+	bool showData(void) const { return list->showData; }
+public slots:
+	void setShowAll(bool);
+	void setShowName(bool);
+	void setShowRange(bool);
+	void setShowData(bool);
+signals:
+	void showAllChanged(bool);
+	void showNameChanged(bool);
+	void showRangeChanged(bool);
+	void showDataChanged(bool);
+public:
+	ConfigList* list;
+	ConfigLineEdit* lineEdit;
+
+	static ConfigView* viewList;
+	ConfigView* nextView;
+};
+
+class ConfigInfoView : public QTextBrowser {
+	Q_OBJECT
+	typedef class QTextBrowser Parent;
+public:
+	ConfigInfoView(QWidget* parent, const char *name = 0);
+	bool showDebug(void) const { return _showDebug; }
+
+public slots:
+	void setInfo(struct menu *menu);
+	void saveSettings(void);
+	void setSource(const QString& name);
+	void setShowDebug(bool);
+
+signals:
+	void showDebugChanged(bool);
+	void menuSelected(struct menu *);
+
+protected:
+	void symbolInfo(void);
+	void menuInfo(void);
+	QString debug_info(struct symbol *sym);
+	static QString print_filter(const QString &str);
+	static void expr_print_help(void *data, struct symbol *sym, const char *str);
+	QPopupMenu* createPopupMenu(const QPoint& pos);
+	void contentsContextMenuEvent(QContextMenuEvent *e);
+
+	struct symbol *sym;
+	struct menu *menu;
+	bool _showDebug;
+};
+
+class ConfigSearchWindow : public QDialog {
+	Q_OBJECT
+	typedef class QDialog Parent;
+public:
+	ConfigSearchWindow(QWidget* parent, const char *name = 0);
+
+public slots:
+	void saveSettings(void);
+	void search(void);
+
+protected:
+	QLineEdit* editField;
+	QPushButton* searchButton;
+	QSplitter* split;
+	ConfigView* list;
+	ConfigInfoView* info;
+
+	struct symbol **result;
+};
+
 class ConfigMainWindow : public QMainWindow {
 	Q_OBJECT
 public:
 	ConfigMainWindow(void);
 public slots:
-	void setHelp(QListViewItem* item);
 	void changeMenu(struct menu *);
+	void setMenuLink(struct menu *);
 	void listFocusChanged(void);
 	void goBack(void);
 	void loadConfig(void);
 	void saveConfig(void);
 	void saveConfigAs(void);
+	void searchConfig(void);
 	void showSingleView(void);
 	void showSplitView(void);
 	void showFullView(void);
-	void setShowAll(bool);
-	void setShowDebug(bool);
-	void setShowRange(bool);
-	void setShowName(bool);
-	void setShowData(bool);
 	void showIntro(void);
 	void showAbout(void);
 	void saveSettings(void);
@@ -249,15 +318,14 @@ public slots:
 protected:
 	void closeEvent(QCloseEvent *e);
 
+	ConfigSearchWindow *searchWindow;
 	ConfigView *menuView;
 	ConfigList *menuList;
 	ConfigView *configView;
 	ConfigList *configList;
-	QTextView *helpText;
+	ConfigInfoView *helpText;
 	QToolBar *toolBar;
 	QAction *backAction;
 	QSplitter* split1;
 	QSplitter* split2;
-
-	bool showDebug;
 };

scripts/kconfig/symbol.c

@@ -15,15 +15,15 @@
 struct symbol symbol_yes = {
 	.name = "y",
 	.curr = { "y", yes },
-	.flags = SYMBOL_YES|SYMBOL_VALID,
+	.flags = SYMBOL_CONST|SYMBOL_VALID,
 }, symbol_mod = {
 	.name = "m",
 	.curr = { "m", mod },
-	.flags = SYMBOL_MOD|SYMBOL_VALID,
+	.flags = SYMBOL_CONST|SYMBOL_VALID,
 }, symbol_no = {
 	.name = "n",
 	.curr = { "n", no },
-	.flags = SYMBOL_NO|SYMBOL_VALID,
+	.flags = SYMBOL_CONST|SYMBOL_VALID,
 }, symbol_empty = {
 	.name = "",
 	.curr = { "", no },
@@ -31,6 +31,7 @@ struct symbol symbol_yes = {
 };
 
 int sym_change_count;
+struct symbol *sym_defconfig_list;
 struct symbol *modules_sym;
 tristate modules_val;
 
@@ -227,7 +228,7 @@ static struct symbol *sym_calc_choice(struct symbol *sym)
 	struct expr *e;
 
 	/* is the user choice visible? */
-	def_sym = sym->user.val;
+	def_sym = sym->def[S_DEF_USER].val;
 	if (def_sym) {
 		sym_calc_visibility(def_sym);
 		if (def_sym->visible != no)
@@ -306,7 +307,7 @@ void sym_calc_value(struct symbol *sym)
 		} else if (E_OR(sym->visible, sym->rev_dep.tri) != no) {
 			sym->flags |= SYMBOL_WRITE;
 			if (sym_has_value(sym))
-				newval.tri = sym->user.tri;
+				newval.tri = sym->def[S_DEF_USER].tri;
 			else if (!sym_is_choice(sym)) {
 				prop = sym_get_default_prop(sym);
 				if (prop)
@@ -329,7 +330,7 @@ void sym_calc_value(struct symbol *sym)
 		if (sym->visible != no) {
 			sym->flags |= SYMBOL_WRITE;
 			if (sym_has_value(sym)) {
-				newval.val = sym->user.val;
+				newval.val = sym->def[S_DEF_USER].val;
 				break;
 			}
 		}
@@ -352,10 +353,13 @@ void sym_calc_value(struct symbol *sym)
 		sym->curr.val = sym_calc_choice(sym);
 	sym_validate_range(sym);
 
-	if (memcmp(&oldval, &sym->curr, sizeof(oldval)))
+	if (memcmp(&oldval, &sym->curr, sizeof(oldval))) {
 		sym_set_changed(sym);
-	if (modules_sym == sym)
-		modules_val = modules_sym->curr.tri;
+		if (modules_sym == sym) {
+			sym_set_all_changed();
+			modules_val = modules_sym->curr.tri;
+		}
+	}
 
 	if (sym_is_choice(sym)) {
 		int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE);
@@ -426,8 +430,8 @@ bool sym_set_tristate_value(struct symbol *sym, tristate val)
 	if (oldval != val && !sym_tristate_within_range(sym, val))
 		return false;
 
-	if (sym->flags & SYMBOL_NEW) {
-		sym->flags &= ~SYMBOL_NEW;
+	if (!(sym->flags & SYMBOL_DEF_USER)) {
+		sym->flags |= SYMBOL_DEF_USER;
 		sym_set_changed(sym);
 	}
 	/*
@@ -439,21 +443,18 @@ bool sym_set_tristate_value(struct symbol *sym, tristate val)
 		struct property *prop;
 		struct expr *e;
 
-		cs->user.val = sym;
-		cs->flags &= ~SYMBOL_NEW;
+		cs->def[S_DEF_USER].val = sym;
+		cs->flags |= SYMBOL_DEF_USER;
 		prop = sym_get_choice_prop(cs);
 		for (e = prop->expr; e; e = e->left.expr) {
 			if (e->right.sym->visible != no)
-				e->right.sym->flags &= ~SYMBOL_NEW;
+				e->right.sym->flags |= SYMBOL_DEF_USER;
 		}
 	}
 
-	sym->user.tri = val;
-	if (oldval != val) {
+	sym->def[S_DEF_USER].tri = val;
+	if (oldval != val)
 		sym_clear_all_valid();
-		if (sym == modules_sym)
-			sym_set_all_changed();
-	}
 
 	return true;
 }
@@ -591,20 +592,20 @@ bool sym_set_string_value(struct symbol *sym, const char *newval)
 	if (!sym_string_within_range(sym, newval))
 		return false;
 
-	if (sym->flags & SYMBOL_NEW) {
-		sym->flags &= ~SYMBOL_NEW;
+	if (!(sym->flags & SYMBOL_DEF_USER)) {
+		sym->flags |= SYMBOL_DEF_USER;
 		sym_set_changed(sym);
 	}
 
-	oldval = sym->user.val;
+	oldval = sym->def[S_DEF_USER].val;
 	size = strlen(newval) + 1;
 	if (sym->type == S_HEX && (newval[0] != '0' || (newval[1] != 'x' && newval[1] != 'X'))) {
 		size += 2;
-		sym->user.val = val = malloc(size);
+		sym->def[S_DEF_USER].val = val = malloc(size);
 		*val++ = '0';
 		*val++ = 'x';
 	} else if (!oldval || strcmp(oldval, newval))
-		sym->user.val = val = malloc(size);
+		sym->def[S_DEF_USER].val = val = malloc(size);
 	else
 		return true;
 
@@ -679,7 +680,6 @@ struct symbol *sym_lookup(const char *name, int isconst)
 	memset(symbol, 0, sizeof(*symbol));
 	symbol->name = new_name;
 	symbol->type = S_UNKNOWN;
-	symbol->flags = SYMBOL_NEW;
 	if (isconst)
 		symbol->flags |= SYMBOL_CONST;
 

scripts/kconfig/util.c

@@ -44,7 +44,9 @@ int file_write_dep(const char *name)
 		else
 			fprintf(out, "\t%s\n", file->name);
 	}
-	fprintf(out, "\n.config include/linux/autoconf.h: $(deps_config)\n\n$(deps_config):\n");
+	fprintf(out, "\ninclude/config/auto.conf: \\\n"
+		     "\t$(deps_config)\n\n"
+		     "$(deps_config): ;\n");
 	fclose(out);
 	rename("..config.tmp", name);
 	return 0;

scripts/kconfig/zconf.gperf

@@ -39,5 +39,8 @@ string,		T_TYPE,		TF_COMMAND, S_STRING
 select,		T_SELECT,	TF_COMMAND
 enable,		T_SELECT,	TF_COMMAND
 range,		T_RANGE,	TF_COMMAND
+option,		T_OPTION,	TF_COMMAND
 on,		T_ON,		TF_PARAM
+modules,	T_OPT_MODULES,	TF_OPTION
+defconfig_list,	T_OPT_DEFCONFIG_LIST,TF_OPTION
 %%

scripts/kconfig/zconf.y

@@ -71,6 +71,7 @@ static struct menu *current_menu, *current_entry;
 %token <id>T_DEFAULT
 %token <id>T_SELECT
 %token <id>T_RANGE
+%token <id>T_OPTION
 %token <id>T_ON
 %token <string> T_WORD
 %token <string> T_WORD_QUOTE
@@ -91,6 +92,7 @@ static struct menu *current_menu, *current_entry;
 %type <id> end
 %type <id> option_name
 %type <menu> if_entry menu_entry choice_entry
+%type <string> symbol_option_arg
 
 %destructor {
 	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -173,6 +175,7 @@ menuconfig_stmt: menuconfig_entry_start config_option_list
 config_option_list:
 	  /* empty */
 	| config_option_list config_option
+	| config_option_list symbol_option
 	| config_option_list depends
 	| config_option_list help
 	| config_option_list option_error
@@ -215,6 +218,26 @@ config_option: T_RANGE symbol symbol if_expr T_EOL
 	printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
 };
 
+symbol_option: T_OPTION symbol_option_list T_EOL
+;
+
+symbol_option_list:
+	  /* empty */
+	| symbol_option_list T_WORD symbol_option_arg
+{
+	struct kconf_id *id = kconf_id_lookup($2, strlen($2));
+	if (id && id->flags & TF_OPTION)
+		menu_add_option(id->token, $3);
+	else
+		zconfprint("warning: ignoring unknown option %s", $2);
+	free($2);
+};
+
+symbol_option_arg:
+	  /* empty */		{ $$ = NULL; }
+	| T_EQUAL prompt	{ $$ = $2; }
+;
+
 /* choice entry */
 
 choice: T_CHOICE T_EOL
@@ -458,7 +481,9 @@ void conf_parse(const char *name)
 
 	sym_init();
 	menu_init();
-	modules_sym = sym_lookup("MODULES", 0);
+	modules_sym = sym_lookup(NULL, 0);
+	modules_sym->type = S_BOOLEAN;
+	modules_sym->flags |= SYMBOL_AUTO;
 	rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
 
 #if YYDEBUG
@@ -468,6 +493,12 @@ void conf_parse(const char *name)
 	zconfparse();
 	if (zconfnerrs)
 		exit(1);
+	if (!modules_sym->prop) {
+		struct property *prop;
+
+		prop = prop_alloc(P_DEFAULT, modules_sym);
+		prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
+	}
 	menu_finalize(&rootmenu);
 	for_all_symbols(i, sym) {
 		sym_check_deps(sym);

scripts/mod/mk_elfconfig.c

@@ -28,7 +28,7 @@ main(int argc, char **argv)
 		printf("#define KERNEL_ELFCLASS ELFCLASS64\n");
 		break;
 	default:
-		abort();
+		exit(1);
 	}
 	switch (ei[EI_DATA]) {
 	case ELFDATA2LSB:
@@ -38,7 +38,7 @@ main(int argc, char **argv)
 		printf("#define KERNEL_ELFDATA ELFDATA2MSB\n");
 		break;
 	default:
-		abort();
+		exit(1);
 	}
 
 	if (sizeof(unsigned long) == 4) {
@@ -53,7 +53,7 @@ main(int argc, char **argv)
 	else if (memcmp(endian_test.c, "\x02\x01", 2) == 0)
 		printf("#define HOST_ELFDATA ELFDATA2LSB\n");
 	else
-		abort();
+		exit(1);
 
 	if ((strcmp(argv[1], "v850") == 0) || (strcmp(argv[1], "h8300") == 0))
 		printf("#define MODULE_SYMBOL_PREFIX \"_\"\n");

scripts/mod/modpost.h

@@ -100,6 +100,7 @@ buf_write(struct buffer *buf, const char *s, int len);
 struct module {
 	struct module *next;
 	const char *name;
+	int gpl_compatible;
 	struct symbol *unres;
 	int seen;
 	int skip;
@@ -115,6 +116,9 @@ struct elf_info {
 	Elf_Shdr     *sechdrs;
 	Elf_Sym      *symtab_start;
 	Elf_Sym      *symtab_stop;
+	Elf_Section  export_sec;
+	Elf_Section  export_gpl_sec;
+	Elf_Section  export_gpl_future_sec;
 	const char   *strtab;
 	char	     *modinfo;
 	unsigned int modinfo_len;

scripts/package/mkspec

@@ -73,8 +73,13 @@ echo "%ifarch ia64"
 echo 'cp $KBUILD_IMAGE $RPM_BUILD_ROOT'"/boot/efi/vmlinuz-$KERNELRELEASE"
 echo 'ln -s '"efi/vmlinuz-$KERNELRELEASE" '$RPM_BUILD_ROOT'"/boot/"
 echo "%else"
+echo "%ifarch ppc64"
+echo "cp vmlinux arch/powerpc/boot"
+echo "cp arch/powerpc/boot/"'$KBUILD_IMAGE $RPM_BUILD_ROOT'"/boot/vmlinuz-$KERNELRELEASE"
+echo "%else"
 echo 'cp $KBUILD_IMAGE $RPM_BUILD_ROOT'"/boot/vmlinuz-$KERNELRELEASE"
 echo "%endif"
+echo "%endif"
 
 echo 'cp System.map $RPM_BUILD_ROOT'"/boot/System.map-$KERNELRELEASE"
 

scripts/setlocalversion

@@ -11,12 +11,12 @@ cd "${1:-.}" || usage
 # Check for git and a git repo.
 if head=`git rev-parse --verify HEAD 2>/dev/null`; then
 	# Do we have an untagged version?
-	if  [ "`git name-rev --tags HEAD`" = "HEAD undefined" ]; then
+	if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
 		printf '%s%s' -g `echo "$head" | cut -c1-8`
 	fi
 
 	# Are there uncommitted changes?
-	if git diff-files | read dummy; then
+	if git diff-index HEAD | read dummy; then
 		printf '%s' -dirty
 	fi
 fi

sound/oss/Kconfig

@@ -839,6 +839,6 @@ config SOUND_SH_DAC_AUDIO
 	depends on SOUND_PRIME && CPU_SH3
 
 config SOUND_SH_DAC_AUDIO_CHANNEL
-	int "    DAC channel"
+	int "DAC channel"
 	default "1"
 	depends on SOUND_SH_DAC_AUDIO

usr/Makefile

@@ -21,8 +21,7 @@ ramfs-input := $(if $(filter-out "",$(CONFIG_INITRAMFS_SOURCE)), \
                     $(CONFIG_INITRAMFS_SOURCE),-d)
 ramfs-args  := \
         $(if $(CONFIG_INITRAMFS_ROOT_UID), -u $(CONFIG_INITRAMFS_ROOT_UID)) \
-        $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID)) \
-        $(ramfs-input)
+        $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID))
 
 # .initramfs_data.cpio.gz.d is used to identify all files included
 # in initramfs and to detect if any files are added/removed.