--- tpool/CMakeLists.txt.orig	2020-06-23 15:10:18 UTC
+++ tpool/CMakeLists.txt
@@ -2,6 +2,7 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
 IF(WIN32)
   SET(EXTRA_SOURCES tpool_win.cc aio_win.cc)
 ELSE()
+  ADD_DEFINITIONS(-fPIC)
   SET(EXTRA_SOURCES aio_linux.cc)
 ENDIF()
 
@@ -26,4 +27,4 @@ ADD_LIBRARY(tpool STATIC
   ${EXTRA_SOURCES}
 )
 
-INCLUDE_DIRECTORIES(${PROJECT_SOURCE_DIR}/include)
\ No newline at end of file
+INCLUDE_DIRECTORIES(${PROJECT_SOURCE_DIR}/include)