Breedlove: Makefile, C++ build error: forward declaration -

Tuesday 15 May 2012

hello i'm pass construction var file function using create utility getting below error ppz help prepare it

1) var has incomplete type 2) header.h:error: foward declaration of struct st

here code:

header.h

#include<iostream> #include<stdio.h> using namespace std; void fn(struct st);

main.cpp

#include"header.h" struct st { int x; char s[10]; };

fn.cpp

#include"header.h" void fn(struct st var) { cout<<var.x<<var.s<<endl; }

makefile

all: hello hello: main.o fn.o     g++ main.cpp fn.cpp  main.o: main.cpp     g++ -c main.cpp  fn.o:fn.cpp     g++ -c fn.cpp

move struct st declaration header.h, before fn().

c++ makefile structure

Breedlove