diff -r 7a74e9f9e674 -r dcd98589f4b8 src/CMakeLists.txt
--- a/src/CMakeLists.txt	Sun Oct 04 19:59:03 2020 +0200
+++ b/src/CMakeLists.txt	Sun Oct 04 20:42:51 2020 +0200
@@ -34,7 +34,7 @@
 )
 
 # Link libraries:
-target_link_libraries(${EXECUTABLE_FILE} ${RELPIPE_LIBS_LIBRARIES})
+target_link_libraries(${EXECUTABLE_FILE} ${RELPIPE_LIBS_LIBRARIES} pthread)
 set_property(TARGET ${EXECUTABLE_FILE} PROPERTY INSTALL_RPATH_USE_LINK_PATH TRUE)
 
 install(TARGETS ${EXECUTABLE_FILE} DESTINATION bin)