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stage2: Warn when using --debug-log without logging enabled

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A warning is emitted when using the debug option --debug-log when the compiler
was not compiled using the build option -Dlog. Additionnaly, the scopes are not
added to log_scopes as they have no effect.
This commit is contained in:
Ersikan 2021-03-13 12:00:06 +01:00 committed by Isaac Freund
parent 4e9894cfc4
commit f69305f865
1 changed files with 5 additions and 1 deletions
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6
src/main.zig
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@ -841,7 +841,11 @@ fn buildOutputType(
} else if (mem.eql(u8, arg, "--debug-log")) {
if (i + 1 >= args.len) fatal("expected parameter after {s}", .{arg});
i += 1;
try log_scopes.append(gpa, args[i]);
if (!build_options.enable_logging) {
std.log.warn("Zig was compiled without logging enabled (-Dlog). --debug-log has no effect.", .{});
} else {
try log_scopes.append(gpa, args[i]);
}
} else if (mem.eql(u8, arg, "-fcompiler-rt")) {
want_compiler_rt = true;
} else if (mem.eql(u8, arg, "-fno-compiler-rt")) {