42 lines
1.2 KiB
Nix
42 lines
1.2 KiB
Nix
{ stdenv, lib }:
|
|
|
|
let
|
|
inherit (lib) boolToString optionals;
|
|
|
|
# See https://mesonbuild.com/Reference-tables.html#cpu-families
|
|
cpuFamily = platform:
|
|
with platform;
|
|
if isAarch32 then
|
|
"arm"
|
|
else if isx86_32 then
|
|
"x86"
|
|
else
|
|
platform.uname.processor;
|
|
|
|
crossFile = builtins.toFile "cross-file.conf" ''
|
|
[properties]
|
|
bindgen_clang_arguments = ['-target', '${stdenv.targetPlatform.config}']
|
|
needs_exe_wrapper = ${
|
|
boolToString (!stdenv.buildPlatform.canExecute stdenv.hostPlatform)
|
|
}
|
|
|
|
[host_machine]
|
|
system = '${stdenv.targetPlatform.parsed.kernel.name}'
|
|
cpu_family = '${cpuFamily stdenv.targetPlatform}'
|
|
cpu = '${stdenv.targetPlatform.parsed.cpu.name}'
|
|
endian = ${
|
|
if stdenv.targetPlatform.isLittleEndian then "'little'" else "'big'"
|
|
}
|
|
|
|
[binaries]
|
|
llvm-config = 'llvm-config-native'
|
|
rust = ['rustc', '--target', '${stdenv.targetPlatform.rust.rustcTargetSpec}']
|
|
'';
|
|
|
|
crossFlags = optionals (stdenv.hostPlatform != stdenv.buildPlatform)
|
|
[ "--cross-file=${crossFile}" ];
|
|
|
|
makeMesonFlags = { mesonFlags ? [ ], ... }: crossFlags ++ mesonFlags;
|
|
|
|
in { inherit makeMesonFlags; }
|