4 files changed, 27 insertions, 12 deletions

diff --git a/Makefile b/Makefile
index 92b8bed3059e..9193f94ddf83 100644
--- a/Makefile
+++ b/Makefile
@@ -421,7 +421,7 @@ endif
 # of make so .config is not included in this case either (for *config).
 
 no-dot-config-targets := clean mrproper distclean \
-                         cscope TAGS tags help %docs check% coccicheck \
+                         cscope gtags TAGS tags help %docs check% coccicheck \
                          include/linux/version.h headers_% \
                          kernelversion %src-pkg
 
@@ -1135,7 +1135,7 @@ CLEAN_FILES +=	vmlinux System.map \
 MRPROPER_DIRS  += include/config usr/include include/generated
 MRPROPER_FILES += .config .config.old .version .old_version             \
                   include/linux/version.h                               \
-                  Module.symvers tags TAGS cscope*
+                  Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
 
 # clean - Delete most, but leave enough to build external modules
 #
@@ -1222,6 +1222,7 @@ help:
         @echo  '  modules_prepare - Set up for building external modules'
         @echo  '  tags/TAGS       - Generate tags file for editors'
         @echo  '  cscope          - Generate cscope index'
+        @echo  '  gtags           - Generate GNU GLOBAL index'
         @echo  '  kernelrelease   - Output the release version string'
         @echo  '  kernelversion   - Output the version stored in Makefile'
         @echo  '  headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
@@ -1380,7 +1381,7 @@ clean: $(clean-dirs)
 quiet_cmd_tags = GEN     $@
       cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@
 
-tags TAGS cscope: FORCE
+tags TAGS cscope gtags: FORCE
         $(call cmd,tags)
 
 # Scripts to check various things for consistency
diff --git a/scripts/extract-ikconfig b/scripts/extract-ikconfig
index 1512c0a755ac..e1862429ccda 100755
--- a/scripts/extract-ikconfig
+++ b/scripts/extract-ikconfig
@@ -56,10 +56,11 @@ trap "rm -f $tmp1 $tmp2" 0
 dump_config "$img"
 
 # That didn't work, so retry after decompression.
-try_decompress '\037\213\010' xy  gunzip
-try_decompress 'BZh'          xy  bunzip2
-try_decompress '\135\0\0\0'   xxx unlzma
-try_decompress '\211\114\132' xy  'lzop -d'
+try_decompress '\037\213\010' xy    gunzip
+try_decompress '\3757zXZ\000' abcde unxz
+try_decompress 'BZh'          xy    bunzip2
+try_decompress '\135\0\0\0'   xxx   unlzma
+try_decompress '\211\114\132' xy    'lzop -d'
 
 # Bail out:
 echo "$me: Cannot find kernel config." >&2
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index ef8729f48586..4d403844e137 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -86,12 +86,16 @@ scm_version()
 
         # Check for mercurial and a mercurial repo.
         if test -d .hg && hgid=`hg id 2>/dev/null`; then
-                tag=`printf '%s' "$hgid" | cut -s -d' ' -f2`
-
-                # Do we have an untagged version?
-                if [ -z "$tag" -o "$tag" = tip ]; then
-                        id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
+                # Do we have an tagged version?  If so, latesttagdistance == 1
+                if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
+                        id=`hg log -r . --template '{latesttag}'`
                         printf '%s%s' -hg "$id"
+                else
+                        tag=`printf '%s' "$hgid" | cut -d' ' -f2`
+                        if [ -z "$tag" -o "$tag" = tip ]; then
+                                id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
+                                printf '%s%s' -hg "$id"
+                        fi
                 fi
 
                 # Are there uncommitted changes?
diff --git a/scripts/tags.sh b/scripts/tags.sh
index 92fdc4546141..bd6185d529cf 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -114,6 +114,11 @@ docscope()
         cscope -b -f cscope.out
 }
 
+dogtags()
+{
+        all_sources | gtags -f -
+}
+
 exuberant()
 {
         all_sources | xargs $1 -a                               \
@@ -187,6 +192,10 @@ case "$1" in
                 docscope
                 ;;
 
+        "gtags")
+                dogtags
+                ;;
+
         "tags")
                 rm -f tags
                 xtags ctags