Move pthread dependency to test CMakeLists.txt

CMakeLists.txt

@@ -4,9 +4,6 @@ project (benchmark)
 # Make sure we can import out CMake functions
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
-# Resolve dependent packages
-find_package(Threads REQUIRED)
-
 # Import and build Google Test
 include(ExternalProject)
 set_directory_properties(properties EP_PREFIX "${CMAKE_BINARY_DIR}/third_party")

test/CMakeLists.txt

+find_package(Threads REQUIRED)
+
 # Demonstration executable
 add_executable(benchmark_test benchmark_test.cc)
 target_link_libraries(benchmark_test benchmark ${CMAKE_THREAD_LIBS_INIT})