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pkgs.tincr: build without the x86-64-v3 floor, SIGILL on pre-Haswell
author
lassulus
date
(Oct 12, 2026, 8:08 PM CEST)
commit
00e4abde
00e4abde2f59c0e59317e8bf3c494798f037e2f6
parent
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2f6452b2d40fad393f7001384d2912461b82c348
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pkgs/tincr/package.nix
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pkgs/tincr/package.nix
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# netns tests need bwrap+userns the build sandbox lacks.
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doCheck = false;
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# The repo's .cargo/config.toml builds x86_64-linux for x86-64-v3 (AVX2),
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# which dies with SIGILL on pre-Haswell CPUs (icarus, shodan: Ivy Bridge).
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# An env RUSTFLAGS replaces those target rustflags (cargo doesn't merge
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# them): keep the frame pointers, drop the CPU floor. Same as upstream's
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# nix/tincd.nix baselineCpu; the AEAD is OpenSSL with runtime dispatch.
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env.RUSTFLAGS = "-C force-frame-pointers=yes";
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# tinc-crypto's ChaPoly backend links openssl-sys against system openssl.
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nativeBuildInputs = [
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installShellFiles