gstreamer 用の imx6 sabrelite ボード用の uImage を構築しようとしています。gst-plugins-gl をビルドしようとしていますが、次のようにエラーが発生します host is arm-unknown-linux-gnu
checking for fbGetDisplay in -lEGL... no
checking for X... no
checking X11/Xlib.h usability... no
checking X11/Xlib.h presence... no
checking for X11/Xlib.h... no
configure: cannot find X11 development files
checking EGL/egl.h usability... no
checking EGL/egl.h presence... no
checking for EGL/egl.h... no
checking GL/gl.h usability... no
checking GL/gl.h presence... no
checking for GL/gl.h... no
configure: error: GL or EGL is required, consider installing libgl1-mesa-dev
i installed libgl1-mesa-dev after recompiling it again i am still getting the same errors please guide me how can i build it sucessfully