Merge pull request #3293 from onlyjob/master

Provide build time when building from tarball:

share/genbuild.sh

@@ -13,6 +13,8 @@ else
     exit 1
 fi
 
+TIME=$(date '+%F %T %z')
+
 if [ -e "$(which git)" -a -d ".git" ]; then
     # clean 'dirty' status of touched files that haven't been modified
     git diff >/dev/null 2>/dev/null