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
   be45484..c5c11d6  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 'c5c11d644737e04258f411ab8584f5ed816135ab' in submodule path 'gnulib'