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https://github.com/ziglang/zig.git
synced 2025-12-26 16:13:07 +00:00
enable passing build-[lib|exe|obj] params via @args.rsp file
This change enables `zig build-lib` and friends to take a response file of command line arguments, for example: ```sh zig build-lib @args.rsp ``` Which effectively does the same thing as this in Bash: ```sh zig build-lib $(cat args.rsp) ``` Being able to use a file for arguments is important as one can quickly exceed the 32 KiB limit that Windows imposes on arguments to a process. Helps #10693 Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst
parent
0778f644b5
commit
e41d4df93c
92
src/main.zig
92
src/main.zig
@ -768,14 +768,30 @@ fn buildOutputType(
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var process_args_iter = try process.argsWithAllocator(arena);
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_ = process_args_iter.skip(); // "zig"
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_ = process_args_iter.skip(); // e.g. "build-lib"
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var resp_file_args_iter: ?ArgIteratorResponseFile = null;
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args_loop: while (process_args_iter.next()) |arg| {
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var getNextArg = (struct {
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pub fn getNextArg(_process_args_iter: *process.ArgIterator, maybe_resp_file_args_iter: *?ArgIteratorResponseFile) ?[:0]const u8 {
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if (_process_args_iter.next()) |proc_arg| return proc_arg;
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if (maybe_resp_file_args_iter.*) |*iter| return iter.next();
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return null;
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}
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}).getNextArg;
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args_loop: while (getNextArg(&process_args_iter, &resp_file_args_iter)) |arg| {
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var args_index = process_args_iter.inner.index;
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if (resp_file_args_iter) |iter| {
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args_index = iter.index;
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}
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if (mem.startsWith(u8, arg, "-")) {
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if (mem.startsWith(u8, arg, "@")) {
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// This is a "compiler response file". We must parse the file and treat its
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// contents as command line parameters.
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const resp_file_path = arg[1..];
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resp_file_args_iter = initArgIteratorResponseFile(arena, resp_file_path) catch |err| {
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fatal("unable to read response file '{s}': {s}", .{ resp_file_path, @errorName(err) });
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};
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} else if (mem.startsWith(u8, arg, "-")) {
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if (mem.eql(u8, arg, "-h") or mem.eql(u8, arg, "--help")) {
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try io.getStdOut().writeAll(usage_build_generic);
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return cleanExit();
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@ -789,8 +805,8 @@ fn buildOutputType(
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fatal("unexpected end-of-parameter mark: --", .{});
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}
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} else if (mem.eql(u8, arg, "--pkg-begin")) {
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const pkg_name = process_args_iter.next();
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const pkg_path = process_args_iter.next();
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const pkg_name = getNextArg(&process_args_iter, &resp_file_args_iter);
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const pkg_path = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (pkg_name == null or pkg_path == null) fatal("Expected 2 arguments after {s}", .{arg});
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const new_cur_pkg = Package.create(
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@ -806,25 +822,25 @@ fn buildOutputType(
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cur_pkg = cur_pkg.parent orelse
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fatal("encountered --pkg-end with no matching --pkg-begin", .{});
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} else if (mem.eql(u8, arg, "--main-pkg-path")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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main_pkg_path = next_arg.?;
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} else if (mem.eql(u8, arg, "-cflags")) {
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extra_cflags.shrinkRetainingCapacity(0);
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while (true) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected -- after -cflags", .{});
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if (mem.eql(u8, next_arg.?, "--")) break;
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try extra_cflags.append(next_arg.?);
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}
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} else if (mem.eql(u8, arg, "--color")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected [auto|on|off] after --color", .{});
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color = std.meta.stringToEnum(Color, next_arg.?) orelse {
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fatal("expected [auto|on|off] after --color, found '{s}'", .{next_arg.?});
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};
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} else if (mem.eql(u8, arg, "--subsystem")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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if (mem.eql(u8, next_arg.?, "console")) {
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subsystem = .Console;
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@ -857,65 +873,65 @@ fn buildOutputType(
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});
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}
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} else if (mem.eql(u8, arg, "-O")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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optimize_mode_string = next_arg.?;
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} else if (mem.eql(u8, arg, "--entry")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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entry = next_arg.?;
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} else if (mem.eql(u8, arg, "--stack")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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stack_size_override = std.fmt.parseUnsigned(u64, next_arg.?, 0) catch |err| {
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fatal("unable to parse '{s}': {s}", .{ arg, @errorName(err) });
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};
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} else if (mem.eql(u8, arg, "--image-base")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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image_base_override = std.fmt.parseUnsigned(u64, next_arg.?, 0) catch |err| {
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fatal("unable to parse '{s}': {s}", .{ arg, @errorName(err) });
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};
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} else if (mem.eql(u8, arg, "--name")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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provided_name = next_arg.?;
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} else if (mem.eql(u8, arg, "-rpath")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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try rpath_list.append(next_arg.?);
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} else if (mem.eql(u8, arg, "--library-directory") or mem.eql(u8, arg, "-L")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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try lib_dirs.append(next_arg.?);
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} else if (mem.eql(u8, arg, "-F")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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try framework_dirs.append(next_arg.?);
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} else if (mem.eql(u8, arg, "-framework")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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try frameworks.append(next_arg.?);
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} else if (mem.eql(u8, arg, "-install_name")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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install_name = next_arg.?;
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} else if (mem.eql(u8, arg, "-T") or mem.eql(u8, arg, "--script")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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linker_script = next_arg.?;
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} else if (mem.eql(u8, arg, "--version-script")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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version_script = next_arg.?;
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} else if (mem.eql(u8, arg, "--library") or mem.eql(u8, arg, "-l")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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// We don't know whether this library is part of libc or libc++ until
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// we resolve the target, so we simply append to the list for now.
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try system_libs.put(next_arg.?, .{ .needed = false });
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} else if (mem.eql(u8, arg, "--needed-library") or mem.eql(u8, arg, "-needed-l")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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try system_libs.put(next_arg.?, .{ .needed = true });
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} else if (mem.eql(u8, arg, "-D") or
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@ -926,27 +942,27 @@ fn buildOutputType(
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mem.eql(u8, arg, "-iframework") or
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mem.eql(u8, arg, "-iframeworkwithsysroot"))
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{
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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try clang_argv.append(arg);
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try clang_argv.append(next_arg.?);
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} else if (mem.eql(u8, arg, "--version")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after --version", .{});
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version = std.builtin.Version.parse(next_arg.?) catch |err| {
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fatal("unable to parse --version '{s}': {s}", .{ next_arg.?, @errorName(err) });
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};
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have_version = true;
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} else if (mem.eql(u8, arg, "-target")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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target_arch_os_abi = next_arg.?;
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} else if (mem.eql(u8, arg, "-mcpu")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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target_mcpu = next_arg.?;
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} else if (mem.eql(u8, arg, "-mcmodel")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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machine_code_model = parseCodeModel(next_arg.?);
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} else if (mem.startsWith(u8, arg, "-ofmt=")) {
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@ -958,45 +974,45 @@ fn buildOutputType(
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} else if (mem.startsWith(u8, arg, "-O")) {
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optimize_mode_string = arg["-O".len..];
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} else if (mem.eql(u8, arg, "--dynamic-linker")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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target_dynamic_linker = next_arg.?;
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} else if (mem.eql(u8, arg, "--sysroot")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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sysroot = next_arg.?;
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try clang_argv.append("-isysroot");
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try clang_argv.append(next_arg.?);
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} else if (mem.eql(u8, arg, "--libc")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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libc_paths_file = next_arg.?;
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} else if (mem.eql(u8, arg, "--test-filter")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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test_filter = next_arg.?;
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} else if (mem.eql(u8, arg, "--test-name-prefix")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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test_name_prefix = next_arg.?;
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} else if (mem.eql(u8, arg, "--test-cmd")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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try test_exec_args.append(next_arg.?);
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} else if (mem.eql(u8, arg, "--cache-dir")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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override_local_cache_dir = next_arg.?;
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} else if (mem.eql(u8, arg, "--global-cache-dir")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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override_global_cache_dir = next_arg.?;
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} else if (mem.eql(u8, arg, "--zig-lib-dir")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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override_lib_dir = next_arg.?;
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} else if (mem.eql(u8, arg, "--debug-log")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected parameter after {s}", .{arg});
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if (!build_options.enable_logging) {
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std.log.warn("Zig was compiled without logging enabled (-Dlog). --debug-log has no effect.", .{});
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@ -1174,7 +1190,7 @@ fn buildOutputType(
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} else if (mem.eql(u8, arg, "-fno-allow-shlib-undefined")) {
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linker_allow_shlib_undefined = false;
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} else if (mem.eql(u8, arg, "-z")) {
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const next_arg = process_args_iter.next();
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const next_arg = getNextArg(&process_args_iter, &resp_file_args_iter);
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if (next_arg == null) fatal("expected linker extension flag after '{s}'", .{arg});
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const z_arg = next_arg.?;
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if (mem.eql(u8, z_arg, "nodelete")) {
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