Building this test with gccgo requires an explicit -pthread option to
be passed to the C compiler, so that it links against -lpthread.
This test is not built today, but it will be soon with a future patch.
Reviewed-on: https://go-review.googlesource.com/46451
From-SVN: r249555
-f70ef19badafb85b1caa72b51b0082deb48d433a
+bbc4f30a027ee09475d08aa4aeed1f2f7067e2e9
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
package main
/*
+#cgo CFLAGS: -pthread
+#cgo LDFLAGS: -pthread
+
#include <pthread.h>
void go_callback();