^~~~~
Makefile:629: recipe for target 'loader.lo' failed
make[3]: *** [loader.lo] Error 1
make[3]: Leaving directory '/home/dev/cal3d/src/cal3d'
Makefile:579: recipe for target 'all-recursive' failed
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory '/home/dev/cal3d/src'
Makefile:512: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/dev/cal3d'
Makefile:419: recipe for target 'all' failed
make: *** [all] Error 2
@jlnx-desk:~/dev/cal3d$ gcc --version
gcc (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.