wip go 1.20
Motiejus Jakštys
parent
0fd73783db
commit
53d89ba627
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@ -1 +1 @@
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5.2.0
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6.0.0
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@ -6,10 +6,10 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
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http_archive(
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name = "io_bazel_rules_go",
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sha256 = "56d8c5a5c91e1af73eca71a6fab2ced959b67c86d12ba37feedb0a2dfea441a6",
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sha256 = "dd926a88a564a9246713a9c00b35315f54cbd46b31a26d5d8fb264c07045f05d",
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urls = [
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"https://mirror.bazel.build/github.com/bazelbuild/rules_go/releases/download/v0.37.0/rules_go-v0.37.0.zip",
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"https://github.com/bazelbuild/rules_go/releases/download/v0.37.0/rules_go-v0.37.0.zip",
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"https://mirror.bazel.build/github.com/bazelbuild/rules_go/releases/download/v0.38.1/rules_go-v0.38.1.zip",
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"https://github.com/bazelbuild/rules_go/releases/download/v0.38.1/rules_go-v0.38.1.zip",
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],
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)
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@ -32,8 +32,7 @@ go_rules_dependencies()
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# use latest stable.
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go_download_sdk(
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name = "go_sdk",
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#version = "1.20rc1",
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version = "1.19.5",
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version = "1.20",
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)
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go_register_toolchains()
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@ -86,8 +86,7 @@ const usage_other = "" ++
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" zig {[zig_tool]s} <args>...\n";
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const Action = enum {
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early_ok,
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early_err,
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err,
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exec,
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};
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@ -97,8 +96,7 @@ const ExecParams = struct {
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};
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const ParseResults = union(Action) {
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early_ok,
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early_err: []const u8,
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err: []const u8,
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exec: ExecParams,
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};
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@ -120,8 +118,7 @@ pub fn main() u8 {
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return fatal("error: {s}\n", .{@errorName(err)});
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switch (action) {
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.early_ok => return 0,
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.early_err => |msg| return fatal("{s}", .{msg}),
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.err => |msg| return fatal("{s}", .{msg}),
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.exec => |params| {
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if (builtin.os.tag == .windows)
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return spawnWindows(arena, params)
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@ -224,9 +221,6 @@ fn parseArgs(
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while (argv_it.next()) |arg|
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try args.append(arena, arg);
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if (mem.eql(u8, zig_tool, "c++") and shouldReturnEarly(args.items))
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return .early_ok;
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return ParseResults{ .exec = .{ .args = args, .env = env } };
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}
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@ -236,7 +230,7 @@ fn parseFatal(
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args: anytype,
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) error{OutOfMemory}!ParseResults {
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const msg = try std.fmt.allocPrint(arena, fmt ++ "\n", args);
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return ParseResults{ .early_err = msg };
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return ParseResults{ .err = msg };
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}
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pub fn fatal(comptime fmt: []const u8, args: anytype) u8 {
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@ -244,20 +238,6 @@ pub fn fatal(comptime fmt: []const u8, args: anytype) u8 {
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return 1;
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}
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// Golang probing for a particular linker flag causes many unneeded stubs to be
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// built, e.g. glibc, musl, libc++. The hackery can probably be deleted after
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// Go 1.20 is released. In particular,
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// https://go-review.googlesource.com/c/go/+/436884
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fn shouldReturnEarly(args: []const []const u8) bool {
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const prelude = comptimeSplit("-Wl,--no-gc-sections -x c - -o /dev/null");
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if (args.len < prelude.len)
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return false;
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for (prelude) |arg, i|
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if (!mem.eql(u8, arg, args[args.len - prelude.len + i]))
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return false;
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return true;
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}
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fn getTarget(self_exe: []const u8) error{BadParent}!?[]const u8 {
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const here = fs.path.dirname(self_exe) orelse return error.BadParent;
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const triple = fs.path.basename(here);
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@ -288,35 +268,12 @@ fn getTarget(self_exe: []const u8) error{BadParent}!?[]const u8 {
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return null;
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}
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fn comptimeSplit(comptime str: []const u8) [countWords(str)][]const u8 {
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var arr: [countWords(str)][]const u8 = undefined;
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var i: usize = 0;
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var it = mem.split(u8, str, " ");
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while (it.next()) |arg| : (i += 1)
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arr[i] = arg;
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return arr;
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}
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fn countWords(str: []const u8) usize {
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return mem.count(u8, str, " ") + 1;
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}
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const testing = std.testing;
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test "launcher:shouldReturnEarly" {
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inline for (.{
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"-Wl,--no-gc-sections -x c - -o /dev/null",
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"foo.c -o main -Wl,--no-gc-sections -x c - -o /dev/null",
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}) |tt| try testing.expect(shouldReturnEarly(comptimeSplit(tt)[0..]));
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inline for (.{
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"",
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"cc -Wl,--no-gc-sections -x c - -o /dev/null x",
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"-Wl,--no-gc-sections -x c - -o",
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"incorrect-value -x c - -o /dev/null",
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}) |tt| try testing.expect(!shouldReturnEarly(comptimeSplit(tt)[0..]));
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}
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pub const TestArgIterator = struct {
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index: usize = 0,
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argv: []const [:0]const u8,
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@ -355,8 +312,7 @@ test "launcher:parseArgs" {
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args: []const [:0]const u8,
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precreate_dir: ?[]const u8 = null,
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want_result: union(Action) {
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early_ok,
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early_err: []const u8,
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err: []const u8,
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exec: struct {
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args: []const [:0]const u8,
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env_zig_lib_dir: []const u8,
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@ -366,7 +322,7 @@ test "launcher:parseArgs" {
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.{
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.args = &[_][:0]const u8{"ar" ++ EXE},
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.want_result = .{
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.early_err = std.fmt.comptimePrint(usage_other ++ "\n", .{
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.err = std.fmt.comptimePrint(usage_other ++ "\n", .{
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.zig_tool = "ar",
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.exe = EXE,
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}),
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@ -375,25 +331,12 @@ test "launcher:parseArgs" {
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.{
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.args = &[_][:0]const u8{"c++" ++ EXE},
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.want_result = .{
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.early_err = std.fmt.comptimePrint(usage_cpp ++ "\n", .{
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.err = std.fmt.comptimePrint(usage_cpp ++ "\n", .{
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.zig_tool = "c++",
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.exe = EXE,
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}),
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},
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},
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.{
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.args = &[_][:0]const u8{
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"external" ++ sep ++ "zig_sdk" ++ "tools" ++ sep ++
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"x86_64-linux-musl" ++ sep ++ "c++" ++ EXE,
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"-Wl,--no-gc-sections",
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"-x",
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"c",
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"-",
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"-o",
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"/dev/null",
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},
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.want_result = .early_ok,
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},
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.{
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.args = &[_][:0]const u8{
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"tools" ++ sep ++ "x86_64-linux-musl" ++ sep ++ "c++" ++ EXE,
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@ -481,10 +424,9 @@ test "launcher:parseArgs" {
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});
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switch (tt.want_result) {
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.early_ok => try testing.expectEqual(res, .early_ok),
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.early_err => |want_msg| try testing.expectEqualStrings(
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.err => |want_msg| try testing.expectEqualStrings(
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want_msg,
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res.early_err,
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res.err,
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),
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.exec => |want| {
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try compareExec(res, want.args, want.env_zig_lib_dir);
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