150 lines
5 KiB
Nix
150 lines
5 KiB
Nix
{ pkgs, lib }:
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let
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testedSystems = lib.filterAttrs (name: value: let
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platform = lib.systems.elaborate value;
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in platform.isLinux || platform.isWindows
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) lib.systems.examples;
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getExecutable = pkgs: pkgFun: exec:
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"${pkgFun pkgs}${exec}${pkgs.stdenv.hostPlatform.extensions.executable}";
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compareTest = { emulator, pkgFun, hostPkgs, crossPkgs, exec, args ? [] }: let
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pkgName = (pkgFun hostPkgs).name;
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args' = lib.concatStringsSep " " args;
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in crossPkgs.runCommand "test-${pkgName}-${crossPkgs.hostPlatform.config}" {
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nativeBuildInputs = [ pkgs.dos2unix ];
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} ''
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# Just in case we are using wine, get rid of that annoying extra
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# stuff.
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export WINEDEBUG=-all
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HOME=$(pwd)
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mkdir -p $out
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# We need to remove whitespace, unfortunately
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# Windows programs use \r but Unix programs use \n
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echo Running native-built program natively
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# find expected value natively
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${getExecutable hostPkgs pkgFun exec} ${args'} \
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| dos2unix > $out/expected
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echo Running cross-built program in emulator
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# run emulator to get actual value
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${emulator} ${getExecutable crossPkgs pkgFun exec} ${args'} \
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| dos2unix > $out/actual
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echo Comparing results...
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if [ "$(cat $out/actual)" != "$(cat $out/expected)" ]; then
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echo "${pkgName} did not output expected value:"
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cat $out/expected
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echo "instead it output:"
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cat $out/actual
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exit 1
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else
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echo "${pkgName} test passed"
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echo "both produced output:"
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cat $out/actual
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fi
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'';
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mapMultiPlatformTest = crossSystemFun: test: lib.mapAttrs (name: system: test rec {
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crossPkgs = import pkgs.path {
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localSystem = { inherit (pkgs.stdenv.hostPlatform) config; };
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crossSystem = crossSystemFun system;
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};
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emulator = crossPkgs.hostPlatform.emulator pkgs;
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# Apply some transformation on windows to get dlls in the right
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# place. Unfortunately mingw doesn’t seem to be able to do linking
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# properly.
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platformFun = pkg: if crossPkgs.hostPlatform.isWindows then
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pkgs.buildEnv {
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name = "${pkg.name}-winlinks";
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paths = [pkg] ++ pkg.buildInputs;
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} else pkg;
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}) testedSystems;
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tests = {
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file = {platformFun, crossPkgs, emulator}: compareTest {
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inherit emulator crossPkgs;
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hostPkgs = pkgs;
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exec = "/bin/file";
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args = [
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"${pkgs.file}/share/man/man1/file.1.gz"
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"${pkgs.dejavu_fonts}/share/fonts/truetype/DejaVuMathTeXGyre.ttf"
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];
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pkgFun = pkgs: platformFun pkgs.file;
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};
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hello = {platformFun, crossPkgs, emulator}: compareTest {
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inherit emulator crossPkgs;
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hostPkgs = pkgs;
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exec = "/bin/hello";
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pkgFun = pkgs: pkgs.hello;
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};
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pkg-config = {platformFun, crossPkgs, emulator}: crossPkgs.runCommand
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"test-pkg-config-${crossPkgs.hostPlatform.config}"
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{
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depsBuildBuild = [ crossPkgs.pkgsBuildBuild.pkg-config ];
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nativeBuildInputs = [ crossPkgs.pkgsBuildHost.pkg-config crossPkgs.buildPackages.zlib ];
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depsBuildTarget = [ crossPkgs.pkgsBuildTarget.pkg-config ];
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buildInputs = [ crossPkgs.zlib ];
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NIX_DEBUG = 7;
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} ''
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mkdir $out
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${crossPkgs.pkgsBuildBuild.pkg-config.targetPrefix}pkg-config --cflags zlib > "$out/for-build"
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${crossPkgs.pkgsBuildHost.pkg-config.targetPrefix}pkg-config --cflags zlib > "$out/for-host"
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! diff "$out/for-build" "$out/for-host"
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'';
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};
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# see https://github.com/NixOS/nixpkgs/issues/213453
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# this is a good test of a lot of tricky glibc/libgcc corner cases
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mbuffer = let
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mbuffer = pkgs.pkgsCross.aarch64-multiplatform.mbuffer;
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emulator = with lib.systems; (elaborate examples.aarch64-multiplatform).emulator pkgs;
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in
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pkgs.runCommand "test-mbuffer" {} ''
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echo hello | ${emulator} ${mbuffer}/bin/mbuffer
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'';
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# This is meant to be a carefully curated list of builds/packages
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# that tend to break when refactoring our cross-compilation
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# infrastructure.
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#
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# It should strike a balance between being small enough to fit in
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# a single eval (i.e. not so large that hydra-eval-jobs is needed)
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# so we can ask @ofborg to check it, yet should have good examples
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# of things that often break. So, no buckshot `mapTestOnCross`
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# calls here.
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sanity = [
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#pkgs.mbuffer # https://github.com/NixOS/nixpkgs/issues/213453
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#pkgs.pkgsCross.gnu64.bash # https://github.com/NixOS/nixpkgs/issues/243164
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pkgs.gcc_multi.cc
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pkgs.pkgsMusl.stdenv
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pkgs.pkgsLLVM.stdenv
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pkgs.pkgsStatic.bash
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pkgs.pkgsCross.arm-embedded.stdenv
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pkgs.pkgsCross.m68k.stdenv
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pkgs.pkgsCross.aarch64-multiplatform.pkgsBuildTarget.gcc
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pkgs.pkgsCross.powernv.pkgsBuildTarget.gcc
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pkgs.pkgsCross.mips64el-linux-gnuabi64.stdenv
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pkgs.pkgsCross.mips64el-linux-gnuabin32.stdenv
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pkgs.pkgsCross.mingwW64.stdenv
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];
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in {
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gcc = (lib.mapAttrs (_: mapMultiPlatformTest (system: system // {useLLVM = false;})) tests);
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llvm = (lib.mapAttrs (_: mapMultiPlatformTest (system: system // {useLLVM = true;})) tests);
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inherit mbuffer sanity;
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}
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