Use system dependencies #14
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I had to delete some JSON tests because: - they use tmpnam - tmpnam causes the linker to emit a warning, since it's unsafe - Bazel linking rules treat warnings as errors I tried adding the linkopt -Wl,--no-fatal-warnings but it had no effect.
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I guess this goes hand in hand with #15 |
Yes, probably. The devcontainer could supply these dependencies for "development host builds", of course. |
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By the way, my system GCC is version 13. I've been trying to build with 14 and 15 too, and they pick up a lot of new errors with baselibs, such missing #includes. So this PR will only build with GCC 13 and lower. |
tmewett
commented
Aug 28, 2025
| common --//score/json:base_library=nlohmann | ||
| common --extra_toolchains=@gcc_toolchain//:host_gcc_12 | ||
| build --incompatible_strict_action_env | ||
| build --cxxopt=-std=c++17 --cxxopt=-Wno-error=deprecated-declarations --cxxopt=-Wno-error=self-move --cxxopt=-Wno-error=pessimizing-move |
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This isn't a good solution for compiler flags, since this .bazelrc is not applied when building this project as a dependenciy via another Bazel project.
A better approach would be to define a toolchain in Bazel which just wraps the system compiler and exposes flags as features.
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This is a showcase of baselibs building with all system dependencies for all libraries and tools, for demonstration and discussion.
The S-CORE infrastructure team has been discussing how S-CORE can be integrated into a wider system. It is usually requirements for integrators that:
Currently, S-CORE components do not meet either of these requirements, because:
This PR modifies baselibs to address these points. All dependencies now must be installed in the system in order to build. For me on Ubuntu, that means installing these packages:
g++ libacl1-dev libcap-dev libseccomp-dev valgrind libboost-container1.83-dev nlohmann-json3-dev