find Threads (pthread) package to link crunch properly

Author: illwieckz

crunch/CMakeLists.txt

@@ -1,6 +1,8 @@
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
+find_package (Threads)
+
 include_directories(
   ${CMAKE_SOURCE_DIR}/inc
   ${CMAKE_SOURCE_DIR}/crnlib
@@ -13,9 +15,7 @@ set(CRUNCH_SRCS
 	${CMAKE_CURRENT_SOURCE_DIR}/corpus_test.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/corpus_test.h
 	${CMAKE_CURRENT_SOURCE_DIR}/crunch.cpp
-
 )
 
- add_executable(${CRUNCH_EXE_NAME} ${CRUNCH_SRCS})
- target_link_libraries(${CRUNCH_EXE_NAME} ${CRUNCH_LIBRARY_NAME})
-
+add_executable(${CRUNCH_EXE_NAME} ${CRUNCH_SRCS})
+target_link_libraries(${CRUNCH_EXE_NAME} ${CRUNCH_LIBRARY_NAME} ${CMAKE_THREAD_LIBS_INIT})