compiler: separate package exports from entry roots

cmd/w6l/main.c

@@ -101,12 +101,11 @@ main(int argc, char **argv)
 	}
 
 	Lnk l = {0};
-	/* Seed the symbol table with the entry point so archive pulls
-	 * include the .o that defines it. Without this, a libwwrt.a
-	 * containing start.o is silently skipped if no user .o
-	 * references _start, and the entry falls back to main — which
-	 * has no proper exit path. */
+	/* Seed both accepted entry symbols before archive loading. The root
+	 * package archive then participates in the same selective member-pull
+	 * protocol as every dependency; libwwrt.a still supplies _start. */
 	(void)l_intern(&l, "_start");
+	(void)l_intern(&l, "main");
 	for (int i = 0; i < ninputs; i++) {
 		if (l_load(&l, inputs[i]) != 0) return 1;
 	}