The default compile option is none pthread Of , So add... Yourself :

Reference resources :http://hi.baidu.com/u_soa/item/9d6cc40b7e9d76eb3499024d

error :

undefined reference to 'pthread_create'

solve :

Project -> Build options -> Linker settings -> Link libraries Riga pthread

codeblocks compile pthread More articles on Multithreading

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