lily 2.7.23 OSX "make web" failure

[Graham Percival]

OSX 10.3.9, libraries installed via fink unstable.
lilypond --png input/regression/markup-bidi-pango.ly
works fine.

Any ideas?


...
Renaming input to: `markup-bidi-pango.ly'
Calculating page breaks...
Writing header field `texidoc' to `lily-21068631.texidoc'...
Writing lily-21068631-systems.tex...
Writing lily-21068631-systems.texi...
Layout output to `lily-21068631-1.eps'...
Layout output to `lily-21068631.eps'...
Converting to PNG...Error: /undefined in --get--
Operand stack:
   head   --dict:0/34(L)--   head
Execution stack:
   %interp_exit   .runexec2   --nostringval--   --nostringval--   
--nostringval--   2   %stopped_push   --nostringval--   --nostringval-- 
  --nostringval--   false   1   %stopped_push   1   3   %oparray_pop   
1   3   %oparray_pop   --nostringval--   1   3   %oparray_pop   1   3   
%oparray_pop   .runexec2   --nostringval--   --nostringval--   
--nostringval--   2   %stopped_push   --nostringval--   --nostringval-- 
  --nostringval--   %loop_continue   --nostringval--   1   
--nostringval--   --nostringval--   false   1   %stopped_push   
--nostringval--   --nostringval--   --nostringval--
Dictionary stack:
   --dict:1124/1686(ro)(G)--   --dict:0/20(G)--   --dict:74/200(L)--   
--dict:28/50(ro)(G)--   --dict:12/40(L)--
Current allocation mode is local
Current file position is 418
AFPL Ghostscript 8.51: Unrecoverable error, exit code 1
GS exited with status: 256/sw/share/guile/1.6/srfi/srfi-1.scm:634:24: 
In procedure delete-file in expression (f (car ls)):
/sw/share/guile/1.6/srfi/srfi-1.scm:634:24: No such file or directory
lilypond-book.py: warning: `lilypond' failed (status 2) (ignored)