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Drop the hex0 -> stage0-* -> glibc-bedrock-2.42 chain (23 packages) - #1465
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…ladder comment Follow-up to #1242 (msample's review). Since #1242, nothing in pkgs imports gcc-15.2.0-glibc or fastjar, and binutils-2.46-glibc's only importer was gcc-15.2.0-glibc. gominimal/bootstrap builds all three (generations/gen-13/manifest.json), and pkgs takes their gen-13 outputs through the gcc and binutils pins, so these copies were dead. hex0/amd64-ladder.ncl still described the old 38-package chain with the go/mrustc/rustc rungs. It now names what is left in pkgs (hex0, stage0-*, glibc-bedrock-2.42: 23 packages) and the one live consumer path (glibc-bedrock-2.42-sysroot, for ghc and the openjdks). No spec hash changes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…sroot package gen-15 of gominimal/bootstrap builds the amd64 openjdk-21/25/26 and ghc-9.6.7 against the system glibc with the gcc seed: PT_INTERP /usr/lib/ld-linux-x86-64.so.2, no RUNPATH beyond their own $ORIGIN entries, and ghc-cc a plain gcc wrapper that adds that loader. The four pins move to gen-15 on both arches (arm64's objects are the gen-13 bytes under their gen-15 names, ghc-9.6.7's rebuilt from the shared script and identical apart from BUILDINFO) and their amd64 runtime dep becomes glibc. ghc drops the sysroot from its amd64 build deps; its check that nothing shipped names the sysroot stays. Nothing imports glibc-bedrock-2.42-sysroot any more, so the package goes. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> (cherry picked from commit 1151b19)
The arm64 JDK objects are the gen-13 bytes re-published under gen-15 (bootstrap generations/gen-15/manifest.json lists each sha256 at its gen-15 url), so the url moves and the sha256 correctly stays. Comments only; no spec hash changes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Nothing in pkgs reads it: the sysroot was its last consumer, and the bootstrap roots pin gominimal/bootstrap generation objects instead. The chain lives on there, built and reproduced per generation. The amd64 switch hex0/amd64-ladder.ncl goes with it. The CI-scope test used hex0's ladder helper as its shared-helper fixture; llvm/versioned.ncl is the one with the most importers now. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Stacked on #1462 and #1442 (both merged in); merge those first, then this lands as the single deletion commit.
Nothing in pkgs reads the chain any more. Its last consumer was
glibc-bedrock-2.42-sysroot(gone in #1462); the three orphans above it go in #1442. Every bootstrap root pins a gominimal/bootstrap generation object by sha-keyed URL, and the chain lives on there, built and reproduced per generation.Removed
hex0(withamd64-ladder.ncl, the amd64 switch that has beenenabled = falsesince 2026-10-07)stage0-*rungs: hex1, kaem, mes, mescc, mescc-full, tcc-0.9.26, tcc-0.9.27 (+ musl-s1/s3/s4), musl-1.1.24 (+ cc2), musl-1.2.5, binutils-2.30/2.41, gcc-4.0.4/4.7.4/10.4.0/15.2.0, gmp-mpfr-mpc, linux-headers-6.12.43glibc-bedrock-2.42No package outside the chain imports any of them (checked every
../<pkg>/reference underpackages/).CI scope test
test_ci_scope.pyusedhex0/amd64-ladder.nclas its shared-helper fixture. It now usesllvm/versioned.ncl, the helper with the most importers left; the comments inci_scope.pyandblast_radius_report.pyname the same example. 15/15 tests pass.🤖 Generated with Claude Code