https://stackoverflow.com/questions/32174861/why-implicit-declaration-of-pthread-yield-with-lpthread-while-all-ok-with-pthr Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
https://stackoverflow.com/questions/32174861/why-implicit-declaration-of-pthread-yield-with-lpthread-while-all-ok-with-pthr Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>