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build-rust-crate: handle ILP32 platforms correctly

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This commit corrects the value of `CARGO_CFG_TARGET_POINTER_WIDTH`
for ILP32 machines like the Apple Watch and mips64n32.
This commit is contained in:
Adam Joseph 2022-08-23 00:16:51 -07:00
parent cfb180c2f0
commit eb98fefe24
1 changed files with 1 additions and 1 deletions
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2
pkgs/build-support/rust/build-rust-crate/configure-crate.nix
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@ -130,7 +130,7 @@ in ''
export CARGO_CFG_UNIX=1
export CARGO_CFG_TARGET_ENV="gnu"
export CARGO_CFG_TARGET_ENDIAN=${if stdenv.hostPlatform.parsed.cpu.significantByte.name == "littleEndian" then "little" else "big"}
export CARGO_CFG_TARGET_POINTER_WIDTH=${toString stdenv.hostPlatform.parsed.cpu.bits}
export CARGO_CFG_TARGET_POINTER_WIDTH=${with stdenv.hostPlatform; toString (if isILP32 then 32 else parsed.cpu.bits)}
export CARGO_CFG_TARGET_VENDOR=${stdenv.hostPlatform.parsed.vendor.name}
export CARGO_MANIFEST_DIR=$(pwd)