/usr/bin/ld: SDL_2dgl.o: undefined reference to symbol 'floor@@GLIBC_2.2.5'
//lib/x86_64-linux-gnu/libm.so.6: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
make[3]: *** [gnujump] Fout 1
make[3]: Map '/home/roelof/Downloads/gnujump-1.0.8/src' wordt verlaten
make[2]: *** [all-recursive] Fout 1