Re: Issue 1821 in lilypond: GUB argument list too long

[lilypond]

Comment #17 on issue 1821 by address@hidden: GUB argument list too  
long
http://code.google.com/p/lilypond/issues/detail?id=1821

For out-of-source builds, there is no way we can use relative pathes!  
Inside the make file, the $^ needs to expand all pathes to absolute pathes,  
since the build tree (and thus also the cwd) can be anywhere.