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58 lines
1.6 KiB
Nix
58 lines
1.6 KiB
Nix
{ stdenv, lib }:
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let
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inherit (lib) boolToString optionals;
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# See https://mesonbuild.com/Reference-tables.html#cpu-families
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cpuFamily =
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platform:
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with platform;
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if isAarch32 then
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"arm"
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else if isx86_32 then
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"x86"
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else if isPower64 then
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"ppc64"
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else if isPower then
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"ppc"
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else
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platform.uname.processor;
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crossFile = builtins.toFile "cross-file.conf" ''
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[properties]
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bindgen_clang_arguments = ['-target', '${stdenv.targetPlatform.config}']
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needs_exe_wrapper = ${boolToString (!stdenv.buildPlatform.canExecute stdenv.hostPlatform)}
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[host_machine]
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system = '${stdenv.targetPlatform.parsed.kernel.name}'
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cpu_family = '${cpuFamily stdenv.targetPlatform}'
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cpu = '${stdenv.targetPlatform.parsed.cpu.name}'
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endian = ${if stdenv.targetPlatform.isLittleEndian then "'little'" else "'big'"}
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[binaries]
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llvm-config = 'llvm-config-native'
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rust = ['rustc', '-C', 'target-feature=${
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if stdenv.targetPlatform.isStatic then "+" else "-"
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}crt-static', '--target', '${stdenv.targetPlatform.rust.rustcTargetSpec}']
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# Meson refuses to consider any CMake binary during cross compilation if it's
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# not explicitly specified here, in the cross file.
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# https://github.com/mesonbuild/meson/blob/0ed78cf6fa6d87c0738f67ae43525e661b50a8a2/mesonbuild/cmake/executor.py#L72
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cmake = 'cmake'
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'';
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crossFlags = optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
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"--cross-file=${crossFile}"
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];
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makeMesonFlags =
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{
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mesonFlags ? [ ],
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...
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}:
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crossFlags ++ mesonFlags;
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in
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{
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inherit makeMesonFlags;
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}
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