问make[2]：*没有规则使CGAL中的目标‘/usr/lib/i 386-linux-gnu/libmpfr.so’

EN

#include <iostream>
#include <vector>
#include <CGAL/Cartesian_d.h>
#include <CGAL/point_generators_d.h>
typedef CGAL::Cartesian_d<double> Kd;
typedef Kd::Point_d Point;
typedef CGAL::Creator_uniform_d<std::vector<double>::iterator, Point>Creator_d;
int main ()
{
  int nb_points = 10;
  int dim =5;
  double size = 100.0;
  std::cout << "Generating "<<nb_points<<" random points in a"
    <<" ball in "<<dim<<"D of center 0 and radius "<<size<<std::endl;
  std::vector<Point> v;
  v.reserve (nb_points);
  CGAL::Random_points_in_ball_d<Point> gen (dim, 100.0);
  for (int i = 0; i < nb_points; ++i) v.push_back (*gen++);
  for (int i = 0; i < nb_points; ++i) std::cout<<" "<<v[i]<<std::endl;
  return 0;
}

samaras@samaras-A15:~/code/random_generator$ make
Scanning dependencies of target main
[100%] Building CXX object CMakeFiles/main.dir/main.cpp.o
make[2]: *** No rule to make target `/usr/lib/i386-linux-gnu/libmpfr.so', needed by `main'.  Stop.
make[1]: *** [CMakeFiles/main.dir/all] Error 2
make: *** [all] Error 2

~/code/CGAL-4.3/scripts/cgal_create_CMakeLists
cmake -DCGAL_DIR=$HOME/code/CGAL-4.3 .

cd /usr/lib/i386-linux-gnu/libmpfr.so
bash: cd: /usr/lib/i386-linux-gnu/libmpfr.so: No such file or directory