Jorijn van der Graaf
f90c633898
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78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
/*
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Crafter® Build
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Copyright (C) 2026 Catcrafts®
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Catcrafts.net
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LGPL-3.0-only.
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End-to-end cross-arch build through the V2 pipeline:
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the inner project.cpp targets aarch64-linux-gnu with cfg.sysroot pointing at
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the Arch Linux ARM rootfs at /opt/aarch64-rootfs. crafter.build-lib
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cross-compiles the C++ source (with the libc++ std module from the sysroot),
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produces a real aarch64 ELF, and qemu-aarch64 (with QEMU_LD_PREFIX pointing at
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the sysroot so it can find ld-linux-aarch64.so.1) executes it.
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*/
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import std;
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import Crafter.Build;
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#include "../_shared/TestUtil.h"
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namespace fs = std::filesystem;
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using namespace TestUtil;
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using namespace Crafter;
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namespace {
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bool ToolPresent(std::string_view name) {
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return std::system(std::format("which {} > /dev/null 2>&1", name).c_str()) == 0;
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}
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}
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int main() {
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try {
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const fs::path sysroot = "/opt/aarch64-rootfs";
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if (!fs::exists(sysroot / "usr/share/libc++/v1/std.cppm")) {
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Skip(std::format("aarch64 sysroot missing at {} — see README", sysroot.string()));
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}
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if (!ToolPresent("qemu-aarch64")) Skip("qemu-aarch64 not on PATH");
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fs::path src = fs::current_path() / "tests" / "CrossArchAarch64" / "inner";
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Configuration cfg = LoadFixture("CrossArchAarch64", src);
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fs::path work = fs::current_path();
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auto br = BuildOnce(cfg);
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if (!br.result.empty()) {
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std::println(std::cerr, "build failed:\n{}", br.result);
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return 1;
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}
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fs::path artifact = cfg.BinDir() / "aarch-hello";
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if (!fs::exists(artifact)) {
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std::println(std::cerr, "expected artifact missing at {}", artifact.string());
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return 1;
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}
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// Defend against silent host-arch fallback.
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auto probe = RunInDir(work, std::format("file '{}'", artifact.string()));
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if (probe.output.find("ARM aarch64") == std::string::npos) {
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std::println(std::cerr, "artifact is not ARM aarch64 ELF:\n{}", probe.output);
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return 1;
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}
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// Run via qemu-aarch64. QEMU_LD_PREFIX tells qemu where the target's
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// dynamic linker (ld-linux-aarch64.so.1) and shared libs live.
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auto run = RunInDir(work, std::format(
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"QEMU_LD_PREFIX={} qemu-aarch64 '{}'",
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sysroot.string(), artifact.string()));
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if (run.exitCode != 0) {
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std::println(std::cerr, "qemu-aarch64 run failed (rc={}):\n{}", run.exitCode, run.output);
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return 1;
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}
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if (run.output != "hi from 64-bit aarch64\n") {
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std::println(std::cerr, "output mismatch:\n expected: \"hi from 64-bit aarch64\\n\"\n got: {:?}", run.output);
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return 1;
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}
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return 0;
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} catch (const std::exception& e) {
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std::println(std::cerr, "test exception: {}", e.what());
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return 1;
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}
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}
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