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-rw-r--r--src/pkg/runtime/cgo/trigger.go20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/pkg/runtime/cgo/trigger.go b/src/pkg/runtime/cgo/trigger.go
new file mode 100644
index 000000000..a7788118f
--- /dev/null
+++ b/src/pkg/runtime/cgo/trigger.go
@@ -0,0 +1,20 @@
+// Copyright 2011 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.
+
+// This tells the go tool that this package builds using cgo.
+// TODO: Once we stop using Make, this import can move into cgo.go.
+
+package cgo
+
+/*
+
+#cgo darwin LDFLAGS: -lpthread
+#cgo freebsd LDFLAGS: -lpthread
+#cgo linux LDFLAGS: -lpthread
+#cgo netbsd LDFLAGS: -lpthread
+#cgo openbsd LDFLAGS: -lpthread
+#cgo windows LDFLAGS: -lm -mthreads
+
+*/
+import "C"