Add an EXTERNS_FILES Makefile variable
Add an EXTERNS_FILES Makefile variable

camptocamp/ngeo,Jenselme/ngeo,mygu/ngeo,pgiraud/ngeo,adube/ngeo,ger-benjamin/ngeo,ger-benjamin/ngeo,adube/ngeo,Jenselme/ngeo,adube/ngeo,camptocamp/ngeo,pgiraud/ngeo,adube/ngeo,pgiraud/ngeo,kalbermattenm/ngeo,mygu/ngeo,camptocamp/ngeo,Jenselme/ngeo,camptocamp/ngeo,camptocamp/ngeo,kalbermattenm/ngeo,ger-benjamin/ngeo,mygu/ngeo,Jenselme/ngeo,kalbermattenm/ngeo