Merge #29549

Author: Matthias Koeppe

build/bin/write-dockerfile.sh

@@ -208,6 +208,7 @@ FROM with-system-packages as bootstrapped
 RUN mkdir -p sage
 WORKDIR sage
 $ADD Makefile VERSION.txt COPYING.txt condarc.yml README.md bootstrap bootstrap-conda configure.ac sage .homebrew-build-env tox.ini Pipfile.m4 ./
+$ADD config/config.rpath config/config.rpath
 $ADD src/doc/bootstrap src/doc/bootstrap
 $ADD src/bin src/bin
 $ADD src/Pipfile.m4 src/pyproject.toml.m4 src/requirements.txt.m4 src/setup.cfg.m4 src/VERSION.txt src/