In file included from video.h:28,
                 from client.h:26,
                 from cl_ents.c:22:
qgl.h:25:19: error: GL/gl.h: No such file or directory
qgl.h:30:21: error: GL/glu.h: No such file or directory
In file included from video.h:28,
                 from client.h:26,
                 from cl_ents.c:22:
qgl.h:41: error: expected ‘)’ before ‘*’ token
qgl.h:42: error: expected ‘)’ before ‘*’ token
qgl.h:43: error: expected ‘)’ before ‘*’ token
qgl.h:44: error: expected ‘)’ before ‘*’ token
qgl.h:45: error: expected ‘)’ before ‘*’ token
qgl.h:46: error: expected ‘)’ before ‘*’ token
qgl.h:47: error: expected ‘)’ before ‘*’ token
qgl.h:48: error: expected ‘)’ before ‘*’ token
qgl.h:49: error: expected ‘)’ before ‘*’ token