nodist_salomeinclude_HEADERS = calcium_integer_port_uses.hxx CalciumProvidesPort.hxx CalciumFortranInt.h
-EXTRA_DIST=fortoc.h calcium_integer_port_uses.hxx.in CalciumProvidesPort.hxx.in CalciumFortranInt.h.in
+EXTRA_DIST+=fortoc.h calcium_integer_port_uses.hxx.in CalciumProvidesPort.hxx.in CalciumFortranInt.h.in
calcium_integer_port_uses.hxx: calcium_integer_port_uses.hxx.in
CalciumProvidesPort.hxx : CalciumProvidesPort.hxx.in