--- core/src/stored/CMakeLists.txt.orig	2019-02-13 15:25:55.000000000 +0100
+++ core/src/stored/CMakeLists.txt	2019-05-10 12:32:01.023430000 +0200
@@ -202,6 +202,7 @@
 add_executable(bextract ${BEXTRACTSRS})
 target_link_libraries(bextract
    bareossd bareosfind bareos 
+   ${PTHREAD_LIBRARIES}
     )
 
 add_executable(bscan ${BSCANSRCS})
@@ -212,6 +213,7 @@
 add_executable(btape ${BTAPESRCS})
 target_link_libraries(btape
    bareossd bareos 
+   ${PTHREAD_LIBRARIES}
     )
 
 add_executable(bcopy ${BCOPYSRCS})
@@ -219,6 +221,7 @@
 
 target_link_libraries(bcopy
    bareossd bareos 
+   ${PTHREAD_LIBRARIES}
     )
 
 INSTALL(TARGETS bareossd DESTINATION ${libdir})