freebsd-ports/misc/excel-writer/files/example.gpr

with "excel_writer";
project Example is

   for Exec_Dir use "/tmp";
   for Object_Dir use "/tmp";
   for Main use ("excel_out_demo.adb");

   package Compiler is
      for Default_Switches ("ada") use ("-O2", "-gnat05");
   end Compiler;

end Example;