Improve doc for web pages; reproducible tarballs

* admin/make-tarball.txt: Make the tarballs more reproducible.
Fix instructions for web pages as best I can (they are still
incomplete).
* make-dist (default_gzip): Add --no-name for gzip.
(taropt): Add options to make the build more reproducible.

1 files changed, 4 insertions, 4 deletions

diff --git a/make-dist b/make-dist
index 26247b37bca..48c7fb4fb7e 100755
--- a/make-dist
+++ b/make-dist
@@ -639,14 +639,14 @@ if [ "${make_tar}" = yes ]; then
   case "${default_gzip}" in
     bzip2) gzip_extension=.bz2 ;;
     xz)  gzip_extension=.xz ;;
-    gzip)  gzip_extension=.gz ; default_gzip="gzip --best";;
+    gzip)  gzip_extension=.gz ; default_gzip="gzip --best --no-name";;
        *)  gzip_extension= ;;
   esac
   echo "Creating tar file"
-  taropt=
-  [ "$verbose" = "yes" ] && taropt=v
+  taropt='--numeric-owner --owner=0 --group=0 --mode=go+u,go-w --sort=name'
+  [ "$verbose" = "yes" ] && taropt="$taropt --verbose"
 
-  (cd ${tempparent} ; tar c${taropt}f - ${emacsname} ) \
+  (cd ${tempparent} ; tar $taropt -cf - ${emacsname} ) \
     | ${default_gzip} \
     > ${emacsname}.tar${gzip_extension}
 fi