my ziglings
Merge pull request 'changed compat check to comptime' (#11) from fix_compat into main
Reviewed-on: https://codeberg.org/ziglings/exercises/pulls/11
Chris Boesch
(Oct 5, 2023, 10:39 PM UTC)
88a8e064
2ba613b1
+30
-70
+30
-5
build.zig
+30
-5
build.zig
···
1
1
const std = @import("std");
2
2
const builtin = @import("builtin");
3
-
const compat = @import("src/compat.zig");
4
3
const tests = @import("test/tests.zig");
5
4
6
-
const Build = compat.Build;
7
-
const CompileStep = compat.build.CompileStep;
8
-
const Step = compat.build.Step;
5
+
const Build = std.Build;
6
+
const CompileStep = Build.CompileStep;
7
+
const Step = Build.Step;
9
8
const Child = std.process.Child;
10
9
11
10
const assert = std.debug.assert;
12
11
const join = std.fs.path.join;
13
12
const print = std.debug.print;
13
+
14
+
// When changing this version, be sure to also update README.md in two places:
15
+
// 1) Getting Started
16
+
// 2) Version Changes
17
+
comptime {
18
+
const required_zig = "0.11.0-dev.4246";
19
+
const current_zig = builtin.zig_version;
20
+
const min_zig = std.SemanticVersion.parse(required_zig) catch unreachable;
21
+
if (current_zig.order(min_zig) == .lt) {
22
+
const error_message =
23
+
\\Sorry, it looks like your version of zig is too old. :-(
24
+
\\
25
+
\\Ziglings requires development build
26
+
\\
27
+
\\{}
28
+
\\
29
+
\\or higher.
30
+
\\
31
+
\\Please download a development ("master") build from
32
+
\\
33
+
\\https://ziglang.org/download/
34
+
\\
35
+
\\
36
+
;
37
+
@compileError(std.fmt.comptimePrint(error_message, .{min_zig}));
38
+
}
39
+
}
14
40
15
41
const Kind = enum {
16
42
/// Run the artifact as a normal executable.
···
93
119
;
94
120
95
121
pub fn build(b: *Build) !void {
96
-
if (!compat.is_compatible) compat.die();
97
122
if (!validate_exercises()) std.os.exit(2);
98
123
99
124
use_color_escapes = false;
-65
src/compat.zig
-65
src/compat.zig
···
1
-
/// Compatibility support for very old versions of Zig and recent versions before
2
-
/// commit efa25e7d5 (Merge pull request #14498 from ziglang/zig-build-api).
3
-
///
4
-
/// Versions of Zig from before 0.6.0 cannot do the version check and will just
5
-
/// fail to compile, but 0.5.0 was a long time ago, it is unlikely that anyone
6
-
/// who attempts these exercises is still using it.
7
-
const std = @import("std");
8
-
const builtin = @import("builtin");
9
-
10
-
const debug = std.debug;
11
-
12
-
// Very old versions of Zig used warn instead of print.
13
-
const print = if (@hasDecl(debug, "print")) debug.print else debug.warn;
14
-
15
-
// When changing this version, be sure to also update README.md in two places:
16
-
// 1) Getting Started
17
-
// 2) Version Changes
18
-
const needed_version_str = "0.11.0-dev.4246";
19
-
20
-
fn isCompatible() bool {
21
-
if (!@hasDecl(builtin, "zig_version") or !@hasDecl(std, "SemanticVersion")) {
22
-
return false;
23
-
}
24
-
25
-
const needed_version = std.SemanticVersion.parse(needed_version_str) catch unreachable;
26
-
const version = builtin.zig_version;
27
-
const order = version.order(needed_version);
28
-
29
-
return order != .lt;
30
-
}
31
-
32
-
pub fn die() noreturn {
33
-
const error_message =
34
-
\\ERROR: Sorry, it looks like your version of zig is too old. :-(
35
-
\\
36
-
\\Ziglings requires development build
37
-
\\
38
-
\\ {s}
39
-
\\
40
-
\\or higher. Please download a development ("master") build from
41
-
\\
42
-
\\ https://ziglang.org/download/
43
-
\\
44
-
\\
45
-
;
46
-
47
-
print(error_message, .{needed_version_str});
48
-
49
-
// Use exit code 2, to differentiate from a normal Zig compiler error.
50
-
std.os.exit(2);
51
-
}
52
-
53
-
// A separate function is required because very old versions of Zig doesn't
54
-
// support labeled block expressions.
55
-
pub const is_compatible: bool = isCompatible();
56
-
57
-
/// This is the type to be used only for the build function definition, since
58
-
/// the type must be compatible with the build runner.
59
-
///
60
-
/// Don't use std.Build.Builder, since it is deprecated and may be removed in
61
-
/// future.
62
-
pub const Build = if (is_compatible) std.Build else std.build.Builder;
63
-
64
-
/// This is the type to be used for accessing the build namespace.
65
-
pub const build = if (is_compatible) std.Build else std.build;