我把/usr/include/linux指向/usr/src/linux/include/linux还是不行
反现./configure 时有一个warning
checking linux/videodev.h usability... no
checking linux/videodev.h presence... yes
configure: WARNING: linux/videodev.h: present but cannot be compiled
configure: WARNING: linux/videodev.h: check for missing prerequisite headers?
configure: WARNING: linux/videodev.h: see the Autoconf documentation
configure: WARNING: linux/videodev.h: section "Present But CannotBe Compiled"
configure: WARNING: linux/videodev.h: proceeding with the preprocessor's result
configure: WARNING: linux/videodev.h: in the future, the compiler will take precedence
configure: WARNING: ## ------------------------------------------##
configure: WARNING: ## Report this to the AC_PACKAGE_NAME lists.##
configure: WARNING: ## ------------------------------------------##
checking for linux/videodev.h... yes