diff -u -r ../ttyd-1.4.2/CMakeLists.txt ./CMakeLists.txt
--- ../ttyd-1.4.2/CMakeLists.txt	2018-09-12 04:18:04.000000000 +0000
+++ ./CMakeLists.txt	2018-09-14 19:21:53.229336188 +0000
@@ -70,7 +70,7 @@
 list(APPEND SOURCE_FILES html.h)
 
 set(INCLUDE_DIRS ${OPENSSL_INCLUDE_DIR} ${LIBWEBSOCKETS_INCLUDE_DIR} ${JSON-C_INCLUDE_DIR})
-set(LINK_LIBS pthread ${OPENSSL_LIBRARIES} ${LIBWEBSOCKETS_LIBRARIES} ${JSON-C_LIBRARY})
+set(LINK_LIBS ${OPENSSL_LIBRARIES} ${LIBWEBSOCKETS_LIBRARIES} ${JSON-C_LIBRARY})
 
 if(NOT APPLE)
     list(APPEND LINK_LIBS util)