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gpu-dawn: improve error formatting

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clearer now:

```
$ zig build run-dawn-example -Dtarget=x86_64-linux
error: gpu-dawn binaries for x86_64-linux.3.16...5.10.81-musl not available.
error: -> open an issue: https://github.com/hexops/mach/issues
error: -> build from source (takes 5-15 minutes):
error:        use -Ddawn-from-source=true or set `Options.from_source = true`
```

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-02-28 01:29:31 -07:00
parent e9dbc5a92b
commit ae56a7127f
1 changed files with 5 additions and 3 deletions
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8
gpu-dawn/build.zig
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@ -211,8 +211,10 @@ pub fn linkFromBinary(b: *Builder, step: *std.build.LibExeObjStep, options: Opti
else => false, else => false,
}; };
if (!binaries_available) { if (!binaries_available) {
std.log.err("\nerror: gpu-dawn binaries for {s} not available. Please open an issue: https://github.com/hexops/mach/issues\n\n", .{zig_triple}); std.log.err("gpu-dawn binaries for {s} not available.", .{zig_triple});
std.log.err("Build from source (takes 5-10 minutes) using -Ddawn-from-source=true or via `.from_source = true` in Options", .{}); std.log.err("-> open an issue: https://github.com/hexops/mach/issues", .{});
std.log.err("-> build from source (takes 5-15 minutes):", .{});
std.log.err(" use -Ddawn-from-source=true or set `Options.from_source = true`\n", .{});
std.process.exit(1); std.process.exit(1);
} }
@ -339,7 +341,7 @@ fn extractHeaders(allocator: std.mem.Allocator, json_file: []const u8, out_dir:
var iter = tree.root.Object.iterator(); var iter = tree.root.Object.iterator();
while (iter.next()) |f| { while (iter.next()) |f| {
const out_path = try std.fs.path.join(allocator, &.{out_dir, f.key_ptr.*}); const out_path = try std.fs.path.join(allocator, &.{ out_dir, f.key_ptr.* });
try std.fs.cwd().makePath(std.fs.path.dirname(out_path).?); try std.fs.cwd().makePath(std.fs.path.dirname(out_path).?);
var new_file = try std.fs.createFileAbsolute(out_path, .{}); var new_file = try std.fs.createFileAbsolute(out_path, .{});