only attempt to include submakefiles that exist
only attempt to include submakefiles that exist

cnc-club/linuxcnc,bobvanderlinden/machinekit,unseenlaser/machinekit,aschiffler/linuxcnc,ArcEye/MK-Qt5,bobvanderlinden/machinekit,cdsteinkuehler/MachineKit,araisrobo/machinekit,ArcEye/machinekit-testing,strahlex/machinekit,ianmcmahon/linuxcnc-mirror,unseenlaser/machinekit,RunningLight/machinekit,ArcEye/machinekit-testing,ikcalB/linuxcnc-mirror,araisrobo/linuxcnc,EqAfrica/machinekit,ArcEye/MK-Qt5,cdsteinkuehler/linuxcnc,EqAfrica/machinekit,bobvanderlinden/machinekit,bmwiedemann/linuxcnc-mirror,bobvanderlinden/machinekit,cnc-club/linuxcnc,Cid427/machinekit,unseenlaser/linuxcnc,unseenlaser/machinekit,yishinli/emc2,ArcEye/MK-Qt5,mhaberler/machinekit,bobvanderlinden/machinekit,unseenlaser/machinekit,jaguarcat79/ILC-with-LinuxCNC,bmwiedemann/linuxcnc-mirror,araisrobo/linuxcnc,ianmcmahon/linuxcnc-mirror,RunningLight/machinekit,aschiffler/linuxcnc,unseenlaser/linuxcnc,cdsteinkuehler/linuxcnc,bmwiedemann/linuxcnc-mirror,Cid427/machinekit,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,mhaberler/machinekit,aschiffler/linuxcnc,ArcEye/MK-Qt5,kinsamanka/machinekit,strahlex/machinekit,unseenlaser/linuxcnc,yishinli/emc2,RunningLight/machinekit,unseenlaser/linuxcnc,ArcEye/MK-Qt5,ArcEye/MK-Qt5,jaguarcat79/ILC-with-LinuxCNC,unseenlaser/machinekit,RunningLight/machinekit,araisrobo/linuxcnc,RunningLight/machinekit,mhaberler/machinekit,mhaberler/machinekit,narogon/linuxcnc,Cid427/machinekit,cnc-club/linuxcnc,Cid427/machinekit,cnc-club/linuxcnc,araisrobo/machinekit,araisrobo/machinekit,kinsamanka/machinekit,EqAfrica/machinekit,bmwiedemann/linuxcnc-mirror,ArcEye/machinekit-testing,araisrobo/machinekit,strahlex/machinekit,ikcalB/linuxcnc-mirror,mhaberler/machinekit,ianmcmahon/linuxcnc-mirror,bobvanderlinden/machinekit,araisrobo/machinekit,ianmcmahon/linuxcnc-mirror,cdsteinkuehler/MachineKit,cnc-club/linuxcnc,kinsamanka/machinekit,ArcEye/machinekit-testing,RunningLight/machinekit,RunningLight/machinekit,EqAfrica/machinekit,jaguarcat79/ILC-with-LinuxCNC,kinsamanka/machinekit,Cid427/machinekit,cnc-club/linuxcnc,mhaberler/machinekit,araisrobo/machinekit,mhaberler/machinekit,yishinli/emc2,strahlex/machinekit,araisrobo/linuxcnc,strahlex/machinekit,unseenlaser/machinekit,ArcEye/machinekit-testing,araisrobo/linuxcnc,ikcalB/linuxcnc-mirror,cdsteinkuehler/linuxcnc,kinsamanka/machinekit,cdsteinkuehler/linuxcnc,cnc-club/linuxcnc,araisrobo/machinekit,ianmcmahon/linuxcnc-mirror,cdsteinkuehler/MachineKit,bmwiedemann/linuxcnc-mirror,RunningLight/machinekit,narogon/linuxcnc,ianmcmahon/linuxcnc-mirror,aschiffler/linuxcnc,cdsteinkuehler/linuxcnc,unseenlaser/machinekit,narogon/linuxcnc,kinsamanka/machinekit,EqAfrica/machinekit,ArcEye/machinekit-testing,ArcEye/MK-Qt5,ianmcmahon/linuxcnc-mirror,cdsteinkuehler/MachineKit,ikcalB/linuxcnc-mirror,ArcEye/MK-Qt5,jaguarcat79/ILC-with-LinuxCNC,ArcEye/machinekit-testing,strahlex/machinekit,kinsamanka/machinekit,cdsteinkuehler/linuxcnc,ArcEye/machinekit-testing,EqAfrica/machinekit,strahlex/machinekit,bmwiedemann/linuxcnc-mirror,yishinli/emc2,Cid427/machinekit,bobvanderlinden/machinekit,unseenlaser/machinekit,aschiffler/linuxcnc,bobvanderlinden/machinekit,narogon/linuxcnc,EqAfrica/machinekit,cdsteinkuehler/MachineKit,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,araisrobo/machinekit,EqAfrica/machinekit,unseenlaser/linuxcnc,cdsteinkuehler/MachineKit,araisrobo/machinekit,Cid427/machinekit,Cid427/machinekit,bmwiedemann/linuxcnc-mirror,narogon/linuxcnc,mhaberler/machinekit,jaguarcat79/ILC-with-LinuxCNC