CGAL users discussion list

[sebitas <>]

 Hello I installed cgal with macports and I was triying to run this example I
found: 
#include <iostream>

#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/convex_hull_2.h>

typedef CGAL::Exact_predicates_inexact_constructions_kernel K; 
typedef K::Point_2 Point_2; 

int main() 
{ 
    Point_2 points[5] = { Point_2(0,0), Point_2(10,0), Point_2(10,10),
Point_2(6,5), Point_2(4,1) }; 
    Point_2 result[5]; 
    
    Point_2 *ptr = CGAL::convex_hull_2( points, points+5, result ); 
    std::cout <<  ptr - result << " points on the convex hull" << std::endl; 
    return 0; 
} 

Nevertheless I get this linking errors .I am using xcode 4.3.2 and os 10.7.4
. Regards 

Undefined symbols for architecture x86_64: 
  "___gmpq_init", referenced from: 
      CGAL::Gmpq_rep::Gmpq_rep()in main.o 
  "___gmpq_clear", referenced from: 
      CGAL::Gmpq_rep::~Gmpq_rep()in main.o 
  "___gmpq_set_d", referenced from: 
      CGAL::Gmpq::Gmpq(double)in main.o 
  "___gmpq_sub", referenced from: 
      CGAL::Gmpq::operator-=(CGAL::Gmpq const&)in main.o 
  "___gmpq_mul", referenced from: 
      CGAL::Gmpq::operator*=(CGAL::Gmpq const&)in main.o 
  "___gmpq_cmp", referenced from: 
      CGAL::Gmpq::operator<(CGAL::Gmpq const&) constin main.o 
  "___gmpq_equal", referenced from: 
      CGAL::Gmpq::operator==(CGAL::Gmpq const&) constin main.o 
ld: symbol(s) not found for architecture x86_64 
collect2: ld returned 1 exit status 



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