mirror of
https://forgejo.ellis.link/continuwuation/continuwuity.git
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54c1e3bb33
* Removes unused nix assets * Cleans up flake inputs * Makes the flake actually build * Use correct formatters for nix assets
75 lines
2 KiB
Nix
75 lines
2 KiB
Nix
{ lib
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, pkgsBuildHost
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, rust
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, stdenv
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,
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}:
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lib.optionalAttrs stdenv.hostPlatform.isStatic
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{
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ROCKSDB_STATIC = "";
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}
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// {
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CARGO_BUILD_RUSTFLAGS = lib.concatStringsSep " " (
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lib.optionals stdenv.hostPlatform.isStatic [
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"-C"
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"relocation-model=static"
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]
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++ lib.optionals (stdenv.buildPlatform.config != stdenv.hostPlatform.config) [
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"-l"
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"c"
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"-l"
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"stdc++"
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"-L"
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"${stdenv.cc.cc.lib}/${stdenv.hostPlatform.config}/lib"
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]
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);
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}
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# What follows is stolen from [here][0]. Its purpose is to properly
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# configure compilers and linkers for various stages of the build, and
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# even covers the case of build scripts that need native code compiled and
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# run on the build platform (I think).
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#
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# [0]: https://github.com/NixOS/nixpkgs/blob/nixpkgs-unstable/pkgs/build-support/rust/lib/default.nix#L48-L68
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// (
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let
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inherit (rust.lib) envVars;
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in
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lib.optionalAttrs (stdenv.targetPlatform.rust.rustcTarget != stdenv.hostPlatform.rust.rustcTarget)
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(
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let
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inherit (stdenv.targetPlatform.rust) cargoEnvVarTarget;
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in
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{
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"CC_${cargoEnvVarTarget}" = envVars.ccForTarget;
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"CXX_${cargoEnvVarTarget}" = envVars.cxxForTarget;
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"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" = envVars.ccForTarget;
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}
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)
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// (
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let
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inherit (stdenv.hostPlatform.rust) cargoEnvVarTarget rustcTarget;
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in
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{
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"CC_${cargoEnvVarTarget}" = envVars.ccForHost;
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"CXX_${cargoEnvVarTarget}" = envVars.cxxForHost;
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"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" = envVars.ccForHost;
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CARGO_BUILD_TARGET = rustcTarget;
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}
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)
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// (
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let
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inherit (stdenv.buildPlatform.rust) cargoEnvVarTarget;
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in
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{
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"CC_${cargoEnvVarTarget}" = envVars.ccForBuild;
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"CXX_${cargoEnvVarTarget}" = envVars.cxxForBuild;
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"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" = envVars.ccForBuild;
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HOST_CC = "${pkgsBuildHost.stdenv.cc}/bin/cc";
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HOST_CXX = "${pkgsBuildHost.stdenv.cc}/bin/c++";
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}
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)
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)
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