2 commits

Author	SHA1	Message	Date
Sahin Yort	8c857c3a1c	fix: cc_toolchain should prefer protoc when prebuilt flag is flipped. (#25168) ... cc_toolchain now respects the prefer_prebuilt_protoc flag. When the flag is set to true, the toolchain uses the full protoc binary instead of protoc_minimal, enabling prebuilt protoc support. Follow up to this is to have minimal protoc released as an artifact and use that. Closes #25168 COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/25168 from thesayyn:cc_toolchain_prebuilt 30451beb53 PiperOrigin-RevId: 853463775	2026-01-07 16:52:04 -08:00
Alex Eagle	cc23698b48	feat(bazel): wire up prebuilt protoc toolchain (#24115) ... Upstreamed from my https://github.com/aspect-build/toolchains_protoc which provided this feature outside the protobuf repo. Adds: - private API: module_extension + tag `protoc.prebuilt_toolchain` to provide and register toolchain for bzlmod users - WORKSPACE users can live with the inconvenience of having to create toolchains themselves - example of proto_library rule with intentionally non-functional cc toolchain, exercising the feature This needs work with @thesayyn to: - constrain users to choosing a protoc version agreeing with design doc https://docs.google.com/document/d/16N-eU-0zHbWmxEuaUAIFTJwQLekIXZ8zIC3K4XDr20E/edit - also register lang toolchains when the flag is enabled Work towards #19558 Closes #24115 COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/24115 from protocolbuffers:alexeagle/use_prebuilt_toolchain b18667d82c PiperOrigin-RevId: 844859103	2025-12-15 11:43:45 -08:00