opengl compile error

Compiling Collisions, quadtrees, uniform grid.

https://github.com/MarcusMathiassen/P2D

$g++ Circle.cpp getTime64.cpp Process.cpp Utility.cpp Color.cpp      hwinfo.cpp Inputs.cpp Quadtree.cpp  Vec2.cpp Config.cpp main.cpp Rect.cpp FixedGrid.cpp Node.cpp Render.cpp -I ../include/  -lGL -lglut -lGLU -lGLEW -lpthread -lX11 -lglfw  -o q5


error while loading shared libraries: libGLEW.so.2.1: cannot open shared object file: No such file or directory

$sudo apt-get install libglew-dev
$locate libGLEW.so.2.1
...
/usr/lib64/libGLEW.so.2.1.0
/usr/local/lib/libGLEW.so.2.1
/usr/local/lib/libGLEW.so.2.1.0
...
...

sudo vi /etc/ld.so.conf.d/glew.conf
/usr/local/lib

$sudo ldconfig

Resources:
[1] https://sourceforge.net/projects/glew/files/glew/snapshots/