/in/call.cpp:50:5: error: using the result of an assignment as a condition without parentheses [-Werror,-Wparentheses]
if(N=0){
   ~^~
/in/call.cpp:50:5: note: place parentheses around the assignment to silence this warning
if(N=0){
    ^
   (  )
/in/call.cpp:50:5: note: use '==' to turn this assignment into an equality comparison
if(N=0){
    ^
    ==
1 error generated.
/in/Compile/Makefile:39: recipe for target 'buildCall' failed
make: *** [buildCall] Error 1