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Fix -fwasmtime not inheriting environment variables

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This commit is contained in:
Carl Åstholm
2026-02-02 01:20:16 +01:00
committed by Andrew Kelley
parent 0bbf0461d9
commit 3d48264365
1 changed files with 3 additions and 16 deletions
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lib/std/Build/Step/Run.zig
+3 -16
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@@ -1323,24 +1323,11 @@ fn runCommand(
},
.wasmtime => |bin_name| {
if (b.enable_wasmtime) {
// https://github.com/bytecodealliance/wasmtime/issues/7384
//
// In Wasmtime versions prior to 14, options passed after the module name
// could be interpreted by Wasmtime if it recognized them. As with many CLI
// tools, the `--` token is used to stop that behavior and indicate that the
// remaining arguments are for the WASM program being executed. Historically,
// we passed `--` after the module name here.
//
// After version 14, the `--` can no longer be passed after the module name,
// but is also not necessary as Wasmtime will no longer try to interpret
// options after the module name. So, we could just simply omit `--` for
// newer Wasmtime versions. But to maintain compatibility for older versions
// that still try to interpret options after the module name, we have moved
// the `--` before the module name. This appears to work for both old and
// new Wasmtime versions.
try interp_argv.append(bin_name);
try interp_argv.append("--dir=.");
try interp_argv.append("--");
// Wasmtime doeesn't inherit environment variables from the parent process
// by default. '-S inherit-env' was added in Wasmtime version 20.
try interp_argv.append("-Sinherit-env");
try interp_argv.append(argv[0]);
try interp_argv.appendSlice(argv[1..]);
} else {