# Checks for libraries.
AC_CHECK_LIB([guac], [guac_get_client],, AC_MSG_ERROR("libguac must be installed first"))
-AC_CHECK_LIB([pthread], [pthread_create],, AC_MSG_ERROR("POSIX threads (libpthread) must be installed"))
+AC_CHECK_LIB([pthread], [pthread_create])
+AC_CHECK_LIB([wsock32], [main])
# Checks for header files.
AC_CHECK_HEADERS([netinet/in.h stdlib.h string.h sys/socket.h syslog.h unistd.h guacamole/client.h])