CHECK_INCLUDE_FILES(sys/param.h HAVE_SYS_PARAM_H)
CHECK_INCLUDE_FILES(sys/ioctl.h HAVE_SYS_IOCTL_H)
CHECK_INCLUDE_FILES(fcntl.h HAVE_FCNTL_H)
CHECK_INCLUDE_FILES(sys/param.h HAVE_SYS_PARAM_H)
CHECK_INCLUDE_FILES(sys/ioctl.h HAVE_SYS_IOCTL_H)
CHECK_INCLUDE_FILES(fcntl.h HAVE_FCNTL_H)
CHECK_FUNCTION_EXISTS(XParseGeometry HAVE_XPARSEGEOMETRY)
IF (NOT HAVE_XPARSEGEOMETRY)
LIST(APPEND FREEGLUT_SRCS
CHECK_FUNCTION_EXISTS(XParseGeometry HAVE_XPARSEGEOMETRY)
IF (NOT HAVE_XPARSEGEOMETRY)
LIST(APPEND FREEGLUT_SRCS