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| author | Andreas Rammhold <andreas@rammhold.de> | 2020-04-13 23:35:19 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-04-13 23:35:19 +0200 |
| commit | 84b91899c371fe9336642cb2d7d4990f528ee656 (patch) | |
| tree | 8bf2c4b92daad47baee3d9d359e5a6e686bcd2d0 | |
| parent | 180ae3d371b5248d6122625758f811796c84207f (diff) | |
| parent | a9fdfebc6bab2782b0751f19d2885b195002b2bd (diff) | |
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Merge pull request #85172 from andir/buildRustCrate-proc-macro
buildRustCrate: support proc-macro in default prelude
| -rw-r--r-- | pkgs/build-support/rust/build-rust-crate/build-crate.nix | 3 | ||||
| -rw-r--r-- | pkgs/build-support/rust/build-rust-crate/test/default.nix | 12 |
2 files changed, 15 insertions, 0 deletions
diff --git a/pkgs/build-support/rust/build-rust-crate/build-crate.nix b/pkgs/build-support/rust/build-rust-crate/build-crate.nix index 9759235e30e..d6d1cebb2e9 100644 --- a/pkgs/build-support/rust/build-rust-crate/build-crate.nix +++ b/pkgs/build-support/rust/build-rust-crate/build-crate.nix @@ -16,6 +16,9 @@ ++ [crateFeatures] ++ extraRustcOpts ++ lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) "--target ${rust.toRustTarget stdenv.hostPlatform} -C linker=${stdenv.hostPlatform.config}-gcc" + # since rustc 1.42 the "proc_macro" crate is part of the default crate prelude + # https://github.com/rust-lang/cargo/commit/4d64eb99a4#diff-7f98585dbf9d30aa100c8318e2c77e79R1021-R1022 + ++ lib.optional (lib.elem "proc-macro" crateType) "--extern proc_macro" ; rustcMeta = "-C metadata=${metadata} -C extra-filename=-${metadata}"; diff --git a/pkgs/build-support/rust/build-rust-crate/test/default.nix b/pkgs/build-support/rust/build-rust-crate/test/default.nix index 4783129bad9..5597e4b0dd6 100644 --- a/pkgs/build-support/rust/build-rust-crate/test/default.nix +++ b/pkgs/build-support/rust/build-rust-crate/test/default.nix @@ -457,6 +457,18 @@ let "test ignore_main ... ok" ]; }; + procMacroInPrelude = { + procMacro = true; + edition = "2018"; + src = symlinkJoin { + name = "proc-macro-in-prelude"; + paths = [ + (mkFile "src/lib.rs" '' + use proc_macro::TokenTree; + '') + ]; + }; + }; }; brotliCrates = (callPackage ./brotli-crates.nix {}); tests = lib.mapAttrs (key: value: mkTest (value // lib.optionalAttrs (!value?crateName) { crateName = key; })) cases; |