build-rust-crate: point rustc to the correct linker #220429
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I've been having problems with cross-compiled builds of crate2nix'ed crates failing at the final link step because rustc defaults to `cc` (from $PATH) as the linker. This is, of course, the buildPlatform's linker. See example below. Let's tell rustc unambiguously to use the target platform linker. I've added the flag *before* `baseRustcOpts` because that includes `extraRustcOpts`. This ensures that users of the package can override this with their own `-C linker` choice. Unfortunately because build-rust-crate (currently) sets binary-crate-specific flags when building library crates, this causes a global rebuild of everything that uses buildRustCrate. ``` rust_html2text> Building html2text (src/main.rs) rust_html2text> Running rustc --crate-name html2text src/main.rs --crate-type bin -C opt-level=3 -C codegen-units=1 --remap-path-prefix=/build=/ --extern argparse=/nix/store/y4m00swv4aka73vfl9rbb2abq7y1vmg6-rust_argparse-0.2.2-aarch64-unknown-linux-gnu-lib/lib/libargparse-5dc9592bf7.rlib --extern html2text=/nix/store/j3p1pgh3iyjdhp8681zab7yjwpzs4kg2-rust_html2text-0.4.4-aarch64-unknown-linux-gnu-lib/lib/libhtml2text-d6e376dd78.rlib --cfg feature="default" --target aarch64-unknown-linux-gnu --edition 2021 --out-dir target/bin -L dependency=target/deps --cap-lints allow --color always rust_html2text> error: linking with `cc` failed: exit status: 1 rust_html2text> | rust_html2text> = note: "cc" "/build/rustcgg6BNC/symbols.o" "target/bin/html2text.html2text.a6551786-cgu.0.rcgu.o" "target/bin/html2text.82b4749yb02lf9k.rcgu.o" "-Wl,--as-needed" "-L" "target/deps" "-L" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/nix/store/j3p1pgh3iyjdhp8681zab7yjwpzs4kg2-rust_html2text-0.4.4-aarch64-unknown-linux-gnu-lib/lib/libhtml2text-d6e376dd78.rlib" "/nix/store/rbal9imr15fb674mwjjhd75p45ajql25-rust_unicode-width-0.1.10-aarch64-unknown-linux-gnu-lib/lib/libunicode_width-a3b8f6ce6d.rlib" "/nix/store/5j6pf8bbk3920klpn2zlv4q6d0bbjk26-rust_html5ever-0.26.0-aarch64-unknown-linux-gnu-lib/lib/libhtml5ever-7c514c0d78.rlib" "/nix/store/2k5ncqkn1ngq1q7mjccsh3di2r9x7b3m-rust_log-0.4.17-aarch64-unknown-linux-gnu-lib/lib/liblog-bbb1d2abad.rlib" "/nix/store/yklfi1k7iaw4khbay1avvgmrrnb3sw8f-rust_markup5ever-0.11.0-aarch64-unknown-linux-gnu-lib/lib/libmarkup5ever-fa92c5d6d6.rlib" "/nix/store/cp0raar4bvl551n7521rrvk8cka9dkcv-rust_string_cache-0.8.4-aarch64-unknown-linux-gnu-lib/lib/libstring_cache-3ae24c7e2e.rlib" "/nix/store/w45v78l58wcpnwrhf83ysix1nb3177d3-rust_precomputed-hash-0.1.1-aarch64-unknown-linux-gnu-lib/lib/libprecomputed_hash-dc2ae88c2c.rlib" "/nix/store/d5gv2frk6aav6y9hwv0w6a8fw3wd2sh3-rust_serde-1.0.152-aarch64-unknown-linux-gnu-lib/lib/libserde-881972cdc0.rlib" "/nix/store/zapn48k4pfma65s304xfpqakprl0lz0n-rust_parking_lot-0.12.1-aarch64-unknown-linux-gnu-lib/lib/libparking_lot-a8eeb0af3b.rlib" "/nix/store/5jjayhj13mcy52ybdagvmdqvp2i2kfc6-rust_parking_lot_core-0.9.5-aarch64-unknown-linux-gnu-lib/lib/libparking_lot_core-7b731df3c6.rlib" "/nix/store/nka1dv01my0ivfpv14jc3969lala9yj0-rust_libc-0.2.139-aarch64-unknown-linux-gnu-lib/lib/liblibc-7a4e291ec8.rlib" "/nix/store/40i3315py200bzjd9nzds6l73drfs5rq-rust_cfg-if-1.0.0-aarch64-unknown-linux-gnu-lib/lib/libcfg_if-36a232ac81.rlib" "/nix/store/mj38xbiskkz39gdwm6sg4xr73k3wiixh-rust_smallvec-1.10.0-aarch64-unknown-linux-gnu-lib/lib/libsmallvec-e668ae4802.rlib" "/nix/store/j15ldgxp88dz06cgfl6ksvbnhk5kg1l7-rust_lock_api-0.4.9-aarch64-unknown-linux-gnu-lib/lib/liblock_api-bd3f4cafbe.rlib" "/nix/store/w7f8q6idl5pl7hssfq0gn2h7nr33556g-rust_scopeguard-1.1.0-aarch64-unknown-linux-gnu-lib/lib/libscopeguard-2ef121592d.rlib" "/nix/store/4vsr3kifpdb1dkac5j2l9rafjsypcdj6-rust_once_cell-1.17.0-aarch64-unknown-linux-gnu-lib/lib/libonce_cell-8a9caa1812.rlib" "/nix/store/sivn38f9bffq7pwiwhrisbpk16slci51-rust_phf-0.10.1-aarch64-unknown-linux-gnu-lib/lib/libphf-c5c68bbc03.rlib" "/nix/store/dfl1c90pddaf9kqpdpmy546s21vmgy90-rust_phf_shared-0.10.0-aarch64-unknown-linux-gnu-lib/lib/libphf_shared-0da64f265f.rlib" "/nix/store/vcq3zp2l7bjldknvg3894nvmafndl4p3-rust_siphasher-0.3.10-aarch64-unknown-linux-gnu-lib/lib/libsiphasher-57560c9ade.rlib" "/nix/store/ysycp6rj77l0ymdrvcndpdykidyhjapd-rust_tendril-0.4.3-aarch64-unknown-linux-gnu-lib/lib/libtendril-c7a013fefe.rlib" "/nix/store/fgc3j0s0rlpmgi4avy0gvkcwx813v74v-rust_utf-8-0.7.6-aarch64-unknown-linux-gnu-lib/lib/libutf8-a31a1dfa96.rlib" "/nix/store/vkqy90dmg0h4qkmcfr8nfa8l8nv3b0wa-rust_futf-0.1.5-aarch64-unknown-linux-gnu-lib/lib/libfutf-74eb51f206.rlib" "/nix/store/lpy11ncw9hjp8514y6qh5dalz73cammg-rust_new_debug_unreachable-1.0.4-aarch64-unknown-linux-gnu-lib/lib/libdebug_unreachable-798bc09edd.rlib" "/nix/store/972pbraa9nx2w2r9rgw9ihxcnnyjj7pq-rust_mac-0.1.1-aarch64-unknown-linux-gnu-lib/lib/libmac-5f22857ac1.rlib" "/nix/store/y4m00swv4aka73vfl9rbb2abq7y1vmg6-rust_argparse-0.2.2-aarch64-unknown-linux-gnu-lib/lib/libargparse-5dc9592bf7.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libstd-6dfb26da5641245c.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libpanic_unwind-17fe203b55bc0ad4.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libobject-fcd32571c597d1d2.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libmemchr-9bea2c040bb6c3bb.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libaddr2line-50f1168d6595a5a4.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libgimli-ab3cce9cf22eb54e.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/librustc_demangle-195cb4e110dfcf64.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libstd_detect-6e60da103a3086ca.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libhashbrown-1967902c6f47ed4d.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libminiz_oxide-e67a9163a25e7f3e.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libadler-3815f9058309549d.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-761ef9e339906fe9.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libunwind-8882f6e2dc28b312.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libcfg_if-50cea0e51cd18705.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/liblibc-da1cdc1aff291994.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/liballoc-7019f3ab0cdf1cfd.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/librustc_std_workspace_core-1944b99f47799b69.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libcore-06b1d7727c68137a.rlib" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib/libcompiler_builtins-bc101476bec73dcf.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/nix/store/bhx7z81c5w1d7b1qny9s198mkqzj6a1r-rustc-1.67.0/lib/rustlib/aarch64-unknown-linux-gnu/lib" "-o" "target/bin/html2text" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-Wl,-O1" "-nodefaultlibs" rust_html2text> = note: /nix/store/2arn2lz66q49qhiyldkahiphfmzlixdf-binutils-2.40/bin/ld: target/bin/html2text.html2text.a6551786-cgu.0.rcgu.o: Relocations in generic ELF (EM: 183) rust_html2text> /nix/store/2arn2lz66q49qhiyldkahiphfmzlixdf-binutils-2.40/bin/ld: target/bin/html2text.html2text.a6551786-cgu.0.rcgu.o: Relocations in generic ELF (EM: 183) rust_html2text> /nix/store/2arn2lz66q49qhiyldkahiphfmzlixdf-binutils-2.40/bin/ld: target/bin/html2text.html2text.a6551786-cgu.0.rcgu.o: Relocations in generic ELF (EM: 183) rust_html2text> /nix/store/2arn2lz66q49qhiyldkahiphfmzlixdf-binutils-2.40/bin/ld: target/bin/html2text.html2text.a6551786-cgu.0.rcgu.o: Relocations in generic ELF (EM: 183) ```
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@amjoseph-nixpkgs I thought there was something along these lines already? |
Do you mean #221413 ? That is for |
|
@tazjin @RaitoBezarius @flokli this six-month-old PR is the fix for the problem you're having cross-compiling tvix... Maybe someday it will get merged. |
RaitoBezarius
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Oct 31, 2023
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I tried something smarter in #264042, but I guess this is the easy fix.
Someday is today :P. |
This was referenced Oct 31, 2023
|
811f849 It used to be in a different spot |
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This bumps nixpkgs to b10994c38c61038970a19fa60bfbec21a61755cc, which contains NixOS/nixpkgs#220429. Change-Id: Ib9257ba5bf3ed0720e16c2aaa07ac63a2a9dde19 Reviewed-on: https://cl.tvl.fyi/c/depot/+/9891 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
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This bumps nixpkgs to b10994c38c61038970a19fa60bfbec21a61755cc, which contains NixOS/nixpkgs#220429. Change-Id: Ib9257ba5bf3ed0720e16c2aaa07ac63a2a9dde19 Reviewed-on: https://cl.tvl.fyi/c/depot/+/9891 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
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I've been having problems with cross-compiled builds of crate2nix'ed
crates failing at the final link step because rustc defaults to
cc(from $PATH) as the linker. This is, of course, the buildPlatform's
linker. See example below.
Let's tell rustc unambiguously to use the target platform linker.
I've added the flag before
baseRustcOptsbecause that includesextraRustcOpts. This ensures that users of the package canoverride this with their own
-C linkerchoice.Unfortunately because build-rust-crate (currently) sets
binary-crate-specific flags when building library crates, this
causes a global rebuild of everything that uses buildRustCrate.