1 files changed, 40 insertions, 0 deletions
diff --git a/src/runtime/cgo/cgo.go b/src/runtime/cgo/cgo.go
new file mode 100644
index 0000000..b8473e5
--- /dev/null
+++ b/src/runtime/cgo/cgo.go
@@ -0,0 +1,40 @@
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+/*
+Package cgo contains runtime support for code generated
+by the cgo tool.  See the documentation for the cgo command
+for details on using cgo.
+*/
+package cgo
+
+/*
+
+#cgo darwin,!arm64 LDFLAGS: -lpthread
+#cgo darwin,arm64 LDFLAGS: -framework CoreFoundation
+#cgo dragonfly LDFLAGS: -lpthread
+#cgo freebsd LDFLAGS: -lpthread
+#cgo android LDFLAGS: -llog
+#cgo !android,linux LDFLAGS: -lpthread
+#cgo netbsd LDFLAGS: -lpthread
+#cgo openbsd LDFLAGS: -lpthread
+#cgo aix LDFLAGS: -Wl,-berok
+#cgo solaris LDFLAGS: -lxnet
+#cgo solaris LDFLAGS: -lsocket
+
+// We use -fno-stack-protector because internal linking won't find
+// the support functions. See issues #52919 and #54313.
+#cgo CFLAGS: -Wall -Werror -fno-stack-protector
+
+#cgo solaris CPPFLAGS: -D_POSIX_PTHREAD_SEMANTICS
+
+*/
+import "C"
+
+import "runtime/internal/sys"
+
+// Incomplete is used specifically for the semantics of incomplete C types.
+type Incomplete struct {
+	_ sys.NotInHeap
+}