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
   c5c11d6..41d5dae  master     -> origin/master
 * [new branch]      stable-202201 -> origin/stable-202201
 * [new branch]      stable-202207 -> origin/stable-202207
 * [new branch]      stable-202301 -> origin/stable-202301
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 'f2b8ad906cbc861552a64e3804e5851c323cbac7' in submodule path 'gnulib'