v.gen.native: add $if trace_native_todos ? { to reduce noise in v test-all

Author: spytheman

vlib/v/gen/native/amd64.v

@@ -1270,7 +1270,9 @@ fn (mut c Amd64) extern_call(addr i32) {
 			c.g.println('call QWORD [rip + 0xffffffff${int(addr).hex()}]')
 		}
 		.macos {
-			eprintln('## TODO, macos, extern_call, addr: ${addr}')
+			$if trace_native_todos ? {
+				eprintln('## TODO, macos, extern_call, addr: ${addr}')
+			}
 		}
 		else {
 			c.g.n_error('${@LOCATION} extern calls not implemented for ${c.g.pref.os}')

vlib/v/gen/native/expr.v

@@ -248,7 +248,9 @@ fn (mut g Gen) extern_var_ident(var ExternVar) {
 		g.cg.cg_mov64(.reg0, Number(i64(0)))
 		g.cg.cg_mov_deref(.reg0, .reg0, ast.u64_type_idx)
 	} else if g.pref.os == .macos {
-		eprintln('## TODO, macos, extern_var_ident, var: ${var}')
+		$if trace_native_todos ? {
+			eprintln('## TODO, macos, extern_var_ident, var: ${var}')
+		}
 	} else {
 		g.n_error('${@LOCATION} unsupported os for ${var}')
 	}