Lilypond compilation under Slackware

[Paul Schneider]

I tried to compile lilypond 2.10.20, and 2.11.22,

I've got the same error for the two versions :

Traceback (most recent call last):
  File "/opt/slackbuild/lilypond/tmp/lilypond-2.11.22/stepmake/bin/install.py",
line 78, in ?
    shutil.copy2 (f, dest)
  File "/usr/lib/python2.4/shutil.py", line 92, in copy2
    copyfile(src, dst)
  File "/usr/lib/python2.4/shutil.py", line 47, in copyfile
    fsrc = open(src, 'rb')
IOError: [Errno 2] No such file or directory: './out/emmentaler-11.otf'
make[1]: *** [local-install-outfiles] Error 1

Could you help me to solve this please ?