PDB for shared libraries are not copied to the binary output folder

[konste]

Description of the problem / feature request:

When cc_binary depends on cc_library from the different package and both have linkstatic = False then produced shared library is copied to the output folder of cc_binary, so it can be found at runtime, but library symbols are not copied with it. This makes the debugging of the binary hard.

Bugs: what's the simplest, easiest way to reproduce this bug? Please provide a minimal example if possible.

Repository with the minimal repro: https://github.com/konste/bazel_repro_shared_lib Build it on Windows and you get hello-world.exe with its hello-world.pdb and a couple shared libraries base_shared.dll and middle_shared.dll, but those come without their PDB files, which is the problem.

What operating system are you running Bazel on?

Windows 10 1809

What's the output of bazel info release?

2.2.0

[github-actions[bot]]

Thank you for contributing to the Bazel repository! This issue has been marked as stale since it has not had any activity in the last 2+ years. It will be closed in the next 14 days unless any other activity occurs or one of the following labels is added: "not stale", "awaiting-bazeler". Please reach out to the triage team (@bazelbuild/triage) if you think this issue is still relevant or you are interested in getting the issue resolved.

[github-actions[bot]]

This issue has been automatically closed due to inactivity. If you're still interested in pursuing this, please reach out to the triage team (@bazelbuild/triage). Thanks!

[peakschris]

@bazelbuild/triage @bazel-io please reopen this

This is still an issue with bazel 8.2.1, and makes debugging bazel executables that use DLLs difficult on windows.

To reproduce (on windows):

git clone https://github.com/konste/bazel_repro_shared_lib
cd bazel_repro_shared_lib
cat > .bazelrc
common --enable_workspace
common --incompatible_disallow_empty_glob=false
common --repo_env=JAVA_HOME=../bazel_tools/jdk
common --action_env=JAVA_HOME=../bazel_tools/jdk
ctrl-D
bazel build //...

dir bazel-bin*.pdb (note, nothing present for each dll) dir bazel-bin\base_shared*.pdb (note, pdb present for dll)

cat >> .bazelrc
common --features="copy_dynamic_libraries_to_binary"
common --output_groups=+pdb_file
common --features="generate_pdb_file"
ctrl-D
bazel build //...

No improvement

I note that there was a possible fix for this that was closed unmerged.

[peakschris]

@oquenchil could you reopen this?

It is possible we may have some time to look at this. Could you advise on where the fix might be?