Here's the python traceback you'll get if curl is not installed:
Installing Chrome OS fonts to /usr/local/share/fonts/chromeos.
Traceback (most recent call last):
File "build/linux/install-chromeos-fonts.py", line 79, in <module>
sys.exit(main(sys.argv[1:]))
File "build/linux/install-chromeos-fonts.py", line 56, in main
subprocess.check_call(['curl', '-L', url, '-o', tarball])
File "/usr/lib/python2.7/subprocess.py", line 506, in check_call
retcode = call(*popenargs, **kwargs)
File "/usr/lib/python2.7/subprocess.py", line 493, in call
return Popen(*popenargs, **kwargs).wait()
File "/usr/lib/python2.7/subprocess.py", line 679, in __init__
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1259, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory
Here's the python traceback you'll get if curl is not installed: