bootstrap: Bootstrapping from checked-out wget sources...
bootstrap: consider installing git-merge-changelog from gnulib
bootstrap: getting gnulib files...
From https://git.savannah.gnu.org/git/gnulib
   a4a2d03..be45484  master     -> origin/master
fatal: Unable to create '/export/home/buildbot-unstable10s/slave/wget-solaris10-sparc/build/.git/modules/gnulib/index.lock': File exists.

If no other git process is currently running, this probably means a
git process crashed in this repository earlier. Make sure no other git
process is running and remove the file manually to continue.
Unable to checkout '135414a7f543e4d40ad0a7cbd51885e159a6e0f4' in submodule path 'gnulib'