编译eva时卡住了，情况如下：
checking for dlopen in -ldl... (cached) yes
checking for shl_unload in -ldld... no
checking for size_t... yes
checking size of size_t... 4
checking for unsigned long... yes
checking size of unsigned long... 4
checking sizeof size_t == sizeof unsigned long... yes
checking crt_externs.h usability... no
checking crt_externs.h presence... no
checking for crt_externs.h... no
checking for _NSGetEnviron... no
checking for vsnprintf... yes
checking for snprintf... yes
checking for X... configure: error: Can't find X includes. Please check your installation and add the correct paths!
谁帮小弟解决下，先谢过。