v.pref: prevent overriding backend (fix #21758) (#24526)

gchumillas · web-flow · commit 6be298d20894 · 2025-05-20T09:26:12.000+03:00
diff --git a/vlib/v/pref/pref.v b/vlib/v/pref/pref.v
@@ -1052,8 +1052,10 @@ pub fn parse_args_and_show_errors(known_external_commands []string, args []strin
 
 	if res.os != .wasm32_emscripten {
 		if res.out_name.ends_with('.js') {
-			res.backend = .js_node
-			res.output_cross_c = true
+			if !res.build_options.any(it.starts_with('-backend') || it.starts_with('b')) {
+				res.backend = .js_node
+				res.output_cross_c = true
+			}
 		}
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -1052,8 +1052,10 @@ pub fn parse_args_and_show_errors(known_external_commands []string, args []strin`
`1052`	`1052`
`1053`	`1053`	`if res.os != .wasm32_emscripten {`
`1054`	`1054`	`if res.out_name.ends_with('.js') {`
`1055`		`- res.backend = .js_node`
`1056`		`- res.output_cross_c = true`
	`1055`	`+ if !res.build_options.any(it.starts_with('-backend') \|\| it.starts_with('b')) {`
	`1056`	`+ res.backend = .js_node`
	`1057`	`+ res.output_cross_c = true`
	`1058`	`+ }`
`1057`	`1059`	`}`
`1058`	`1060`	`}`
`1059`	`1061`