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Simon Scatton
bcf96e4900
* chore(nix): unify native and cross-compilation toolchains Replace the separate GNU and musl development shells with one shell that provides explicit toolchains for x86_64 and aarch64 Linux, plus native Darwin on macOS. Cargo selects the compiler, assembler, archiver, and linker through target-specific environment variables. Build GNU targets against a glibc 2.28 sysroot with static GCC runtimes and use the musl toolchains for static Linux executables. Build Z3 and AWS-LC with each target's stdenv and expose AWS-LC libraries and Rust bindings through its target-specific system directory. Keep Darwin system libraries on the unprocessed Apple SDK and prevent the Rust toolchain from propagating replacement libraries into the shell. Include the compiler and libc fixes needed for Darwin-to-Linux builds. Share dependency and environment wiring through mkToolchain, keep compiler wrappers in the Linux and Darwin modules, and group the pinned GNU build environment under glibc-2.28. Document the toolchain boundaries in the build architecture overview. Validation: actionlint and nix fmt pass. The toolchain refactor preserves the shell derivations for x86_64 Linux, aarch64 Linux, and aarch64 Darwin. Signed-off-by: Simon Scatton <sscatton@nvidia.com> * ci(nix): use the default shell for binary builds Remove the dev-shell input and its matrix and workflow plumbing. Use the host default shell for builds and cache hashing. Signed-off-by: Simon Scatton <sscatton@nvidia.com> * ci(nix): build release binaries with explicit Cargo targets Use target-specific artifact paths and rely on the Nix toolchains for linkage. Remove post-link rewriting, platform linkage checks, and the unused interpreter input. Update the build architecture documentation. Signed-off-by: Simon Scatton <sscatton@nvidia.com> * refactor(nix): reuse glibc and GCC build recipes Use a pinned historical Nixpkgs recipe for glibc 2.28 and rebuild GCC 15 against it instead of maintaining separate runtime builds. Keep only compatibility adjustments needed by the current build tools. Assemble the sysroot from glibc outputs and static native libraries. Use standard ELF interpreters and resolve Rust's explicit gcc_s dependency through the static GCC archives. Allow 90 minutes for Rust branch checks to accommodate cold toolchain builds. Validate the Linux release matrix locally; Darwin remains for CI. Signed-off-by: Simon Scatton <sscatton@nvidia.com> * fix(nix): disable obsolete RPC tools in glibc Avoid building rpcgen against the Darwin SDK, which does not expose stat64. Signed-off-by: Simon Scatton <sscatton@nvidia.com> --------- Signed-off-by: Simon Scatton <sscatton@nvidia.com>