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std.Build.Step.Run: Set WINEDEBUG=-all for -fwine by default.

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This silences the excessive default stderr logging from Wine. The user can still
override this by setting WINEDEBUG in the environment; this just provides a more
sensible default.

Closes #24139.
This commit is contained in:
Alex Rønne Petersen 2025-06-11 23:36:34 +02:00
parent f4ed35f800
commit 681d324c49
1 changed files with 15 additions and 3 deletions
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18
lib/std/Build/Step/Run.zig
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@ -1079,7 +1079,9 @@ fn runCommand(
var interp_argv = std.ArrayList([]const u8).init(b.allocator);
defer interp_argv.deinit();
const result = spawnChildAndCollect(run, argv, has_side_effects, prog_node, fuzz_context) catch |err| term: {
var env_map = run.env_map orelse &b.graph.env_map;
const result = spawnChildAndCollect(run, argv, env_map, has_side_effects, prog_node, fuzz_context) catch |err| term: {
// InvalidExe: cpu arch mismatch
// FileNotFound: can happen with a wrong dynamic linker path
if (err == error.InvalidExe or err == error.FileNotFound) interpret: {
@ -1112,6 +1114,15 @@ fn runCommand(
if (b.enable_wine) {
try interp_argv.append(bin_name);
try interp_argv.appendSlice(argv);
// Wine's excessive stderr logging is only situationally helpful. Disable it by default, but
// allow the user to override it (e.g. with `WINEDEBUG=err+all`) if desired.
if (env_map.get("WINEDEBUG") == null) {
// We don't own `env_map` at this point, so turn it into a copy before modifying it.
env_map = arena.create(EnvMap) catch @panic("OOM");
env_map.hash_map = try env_map.hash_map.cloneWithAllocator(arena);
try env_map.put("WINEDEBUG", "-all");
}
} else {
return failForeign(run, "-fwine", argv[0], exe);
}
@ -1207,7 +1218,7 @@ fn runCommand(
try Step.handleVerbose2(step.owner, cwd, run.env_map, interp_argv.items);
break :term spawnChildAndCollect(run, interp_argv.items, has_side_effects, prog_node, fuzz_context) catch |e| {
break :term spawnChildAndCollect(run, interp_argv.items, env_map, has_side_effects, prog_node, fuzz_context) catch |e| {
if (!run.failing_to_execute_foreign_is_an_error) return error.MakeSkipped;
return step.fail("unable to spawn interpreter {s}: {s}", .{
@ -1390,6 +1401,7 @@ const ChildProcResult = struct {
fn spawnChildAndCollect(
run: *Run,
argv: []const []const u8,
env_map: *EnvMap,
has_side_effects: bool,
prog_node: std.Progress.Node,
fuzz_context: ?FuzzContext,
@ -1406,7 +1418,7 @@ fn spawnChildAndCollect(
if (run.cwd) |lazy_cwd| {
child.cwd = lazy_cwd.getPath2(b, &run.step);
}
child.env_map = run.env_map orelse &b.graph.env_map;
child.env_map = env_map;
child.request_resource_usage_statistics = true;
child.stdin_behavior = switch (run.stdio) {