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build.zig: support multiple args in cxx_compiler_arg1

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An example of this happening is during CI runs where it has a value such
as `c++ -target x86_64-linux-musl -mcpu=baseline`.
This commit is contained in:
Jacob Young 2024-02-16 06:01:46 +01:00 committed by Andrew Kelley
parent 6f08e17229
commit 51e96a823c
1 changed files with 8 additions and 4 deletions
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12
build.zig
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@ -811,10 +811,14 @@ fn addCxxKnownPath(
if (!std.process.can_spawn)
return error.RequiredLibraryNotFound;
const path_padded = if (ctx.cxx_compiler_arg1.len > 0)
b.run(&.{ ctx.cxx_compiler, ctx.cxx_compiler_arg1, b.fmt("-print-file-name={s}", .{objname}) })
else
b.run(&.{ ctx.cxx_compiler, b.fmt("-print-file-name={s}", .{objname}) });
const path_padded = run: {
var args = std.ArrayList([]const u8).init(b.allocator);
try args.append(ctx.cxx_compiler);
var it = std.mem.tokenizeAny(u8, ctx.cxx_compiler_arg1, &std.ascii.whitespace);
while (it.next()) |arg| try args.append(arg);
try args.append(b.fmt("-print-file-name={s}", .{objname}));
break :run b.run(args.items);
};
var tokenizer = mem.tokenizeAny(u8, path_padded, "\r\n");
const path_unpadded = tokenizer.next().?;
if (mem.eql(u8, path_unpadded, objname)) {