107 lines
3.4 KiB
Nix
107 lines
3.4 KiB
Nix
{ lib
|
|
, pkgsBuildHost
|
|
, rust
|
|
, stdenv
|
|
}:
|
|
|
|
lib.optionalAttrs stdenv.hostPlatform.isStatic {
|
|
ROCKSDB_STATIC = "";
|
|
}
|
|
//
|
|
{
|
|
CARGO_BUILD_RUSTFLAGS =
|
|
lib.concatStringsSep
|
|
" "
|
|
([]
|
|
++ lib.optionals
|
|
stdenv.targetPlatform.isx86_64
|
|
[ "-C" "target-cpu=x86-64-v2" ]
|
|
++ lib.optionals
|
|
stdenv.targetPlatform.isAarch64
|
|
[ "-C" "target-cpu=cortex-a55" ] # cortex-a55 == ARMv8.2-a
|
|
# This disables PIE for static builds, which isn't great in terms
|
|
# of security. Unfortunately, my hand is forced because nixpkgs'
|
|
# `libstdc++.a` is built without `-fPIE`, which precludes us from
|
|
# leaving PIE enabled.
|
|
++ lib.optionals
|
|
stdenv.hostPlatform.isStatic
|
|
[ "-C" "relocation-model=static" ]
|
|
++ lib.optionals
|
|
(stdenv.buildPlatform.config != stdenv.hostPlatform.config)
|
|
[ "-l" "c" ]
|
|
++ lib.optionals
|
|
# This check has to match the one [here][0]. We only need to set
|
|
# these flags when using a different linker. Don't ask me why,
|
|
# though, because I don't know. All I know is it breaks otherwise.
|
|
#
|
|
# [0]: https://github.com/NixOS/nixpkgs/blob/5cdb38bb16c6d0a38779db14fcc766bc1b2394d6/pkgs/build-support/rust/lib/default.nix#L37-L40
|
|
(
|
|
# Nixpkgs doesn't check for x86_64 here but we do, because I
|
|
# observed a failure building statically for x86_64 without
|
|
# including it here. Linkers are weird.
|
|
(stdenv.hostPlatform.isAarch64 || stdenv.hostPlatform.isx86_64)
|
|
&& stdenv.hostPlatform.isStatic
|
|
&& !stdenv.isDarwin
|
|
&& !stdenv.cc.bintools.isLLVM
|
|
)
|
|
[
|
|
"-l"
|
|
"stdc++"
|
|
"-L"
|
|
"${stdenv.cc.cc.lib}/${stdenv.hostPlatform.config}/lib"
|
|
]
|
|
);
|
|
}
|
|
|
|
# What follows is stolen from [here][0]. Its purpose is to properly
|
|
# configure compilers and linkers for various stages of the build, and
|
|
# even covers the case of build scripts that need native code compiled and
|
|
# run on the build platform (I think).
|
|
#
|
|
# [0]: https://github.com/NixOS/nixpkgs/blob/5cdb38bb16c6d0a38779db14fcc766bc1b2394d6/pkgs/build-support/rust/lib/default.nix#L57-L80
|
|
//
|
|
(
|
|
let
|
|
inherit (rust.lib) envVars;
|
|
in
|
|
lib.optionalAttrs
|
|
(stdenv.targetPlatform.rust.rustcTarget
|
|
!= stdenv.hostPlatform.rust.rustcTarget)
|
|
(
|
|
let
|
|
inherit (stdenv.targetPlatform.rust) cargoEnvVarTarget;
|
|
in
|
|
{
|
|
"CC_${cargoEnvVarTarget}" = envVars.ccForTarget;
|
|
"CXX_${cargoEnvVarTarget}" = envVars.cxxForTarget;
|
|
"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" =
|
|
envVars.linkerForTarget;
|
|
}
|
|
)
|
|
//
|
|
(
|
|
let
|
|
inherit (stdenv.hostPlatform.rust) cargoEnvVarTarget rustcTarget;
|
|
in
|
|
{
|
|
"CC_${cargoEnvVarTarget}" = envVars.ccForHost;
|
|
"CXX_${cargoEnvVarTarget}" = envVars.cxxForHost;
|
|
"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" = envVars.linkerForHost;
|
|
CARGO_BUILD_TARGET = rustcTarget;
|
|
}
|
|
)
|
|
//
|
|
(
|
|
let
|
|
inherit (stdenv.buildPlatform.rust) cargoEnvVarTarget;
|
|
in
|
|
{
|
|
"CC_${cargoEnvVarTarget}" = envVars.ccForBuild;
|
|
"CXX_${cargoEnvVarTarget}" = envVars.cxxForBuild;
|
|
"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" = envVars.linkerForBuild;
|
|
HOST_CC = "${pkgsBuildHost.stdenv.cc}/bin/cc";
|
|
HOST_CXX = "${pkgsBuildHost.stdenv.cc}/bin/c++";
|
|
}
|
|
)
|
|
)
|