cmake: 
-- The C compiler identification is GNU 7.3.0
-- The CXX compiler identification is GNU 7.3.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found OpenGL: /usr/lib/x86_64-linux-gnu/libOpenGL.so   
-- Found GLUT: /usr/lib/x86_64-linux-gnu/libglut.so  
-- Configuring done
-- Generating done
-- Build files have been written to: /out

make: 
Scanning dependencies of target p3_part1
[ 11%] Building CXX object CMakeFiles/p3_part1.dir/part1.cpp.o
[ 22%] Building CXX object CMakeFiles/p3_part1.dir/part1_functions.cpp.o
[ 33%] Linking CXX executable p3_part1
[ 33%] Built target p3_part1
Scanning dependencies of target p3_part2
[ 44%] Building CXX object CMakeFiles/p3_part2.dir/main.cpp.o
[ 55%] Building CXX object CMakeFiles/p3_part2.dir/vec.cpp.o
[ 66%] Building CXX object CMakeFiles/p3_part2.dir/figure.cpp.o
[ 77%] Building CXX object CMakeFiles/p3_part2.dir/park.cpp.o
/in/park.cpp:1:10: fatal error: gl/freeglut.h: No such file or directory
 #include <gl/freeglut.h>
          ^~~~~~~~~~~~~~~
compilation terminated.
CMakeFiles/p3_part2.dir/build.make:134: recipe for target 'CMakeFiles/p3_part2.dir/park.cpp.o' failed
make[2]: *** [CMakeFiles/p3_part2.dir/park.cpp.o] Error 1
CMakeFiles/Makefile2:104: recipe for target 'CMakeFiles/p3_part2.dir/all' failed
make[1]: *** [CMakeFiles/p3_part2.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2