From 8c6a3673c6243b729066f39c61d95237d44f6a42 Mon Sep 17 00:00:00 2001
From: xushiwei <x@goplus.org>
Date: Sat, 23 Jul 2022 20:28:06 +0800
Subject: [PATCH] initDepPkgs fix: allow pubName not found

---
 cl/multifiles.go        | 7 ++++---
 testdata/libc/src/foo.h | 1 +
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/cl/multifiles.go b/cl/multifiles.go
index 0342bab..93bcad0 100644
--- a/cl/multifiles.go
+++ b/cl/multifiles.go
@@ -196,9 +196,10 @@ func initDepPkgs(pkg *gox.Package, deps *depPkgs) {
 	for _, dep := range deps.pkgs {
 		depPkg := pkg.Import(dep.path)
 		for _, pub := range dep.pubs {
-			obj := depPkg.Ref(pub.goName)
-			if old := scope.Insert(gox.NewSubst(token.NoPos, pkg.Types, pub.name, obj)); old != nil {
-				log.Panicf("conflicted name `%v` in %v, previous definition is %v\n", pub.name, dep.path, old)
+			if obj := depPkg.TryRef(pub.goName); obj != nil {
+				if old := scope.Insert(gox.NewSubst(token.NoPos, pkg.Types, pub.name, obj)); old != nil {
+					log.Panicf("conflicted name `%v` in %v, previous definition is %v\n", pub.name, dep.path, old)
+				}
 			}
 		}
 	}
diff --git a/testdata/libc/src/foo.h b/testdata/libc/src/foo.h
index 22e032c..6f9d440 100644
--- a/testdata/libc/src/foo.h
+++ b/testdata/libc/src/foo.h
@@ -10,3 +10,4 @@ typedef struct {
 typedef size_t foo_t;
 
 foo_t foo();
+void unknown();