I get this:
Making Documentation/out-www/web.texi (copy)
Command '/home/gub/NewGub/gub/target/linux-x86/root/usr/bin/lilypond \
-dbackend=eps --formats=ps,png,pdf -djob-count=8 -dinclude-eps-fonts -dgs-load-fonts
--header=doctitle --header=doctitleca --header=doctitlecs --header=doctitlede
--header=doctitlees --header=doctitlefr --header=doctitlehu --header=doctitleit
--header=doctitleja --header=doctitlenl --header=doctitlept --header=doctitlezh
--header=texidoc --header=texidocca --header=texidoccs --header=texidocde --header=texidoces
--header=texidocfr --header=texidochu --header=texidocit --header=texidocja
--header=texidocnl --header=texidocpt --header=texidoczh -dcheck-internal-types
-ddump-signatures -danti-alias-factor=2 -dfont-ps-resdir=/home/gub/NewGub/gub/target/linux-x86/build/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/out-fonts
-O TeX-GS -I "./" -I
"/home/gub/NewGub/gub/target/linux-x86/build/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/Documentation"
-I
"/home/gub/NewGub/gub/target/linux-x86/src/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/Documentation"
-I
"/home/gub/NewGub/gub/target/linux-x86/build/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/Documentation/out-www"
-I
"/home/gub/NewGub/gub/target/linux-x86/build/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/Documentation/snippets/out"
-I
"/home/gub/NewGub/gub/target/linux-x86/src/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/Documentation/included"
-I
"/home/gub/NewGub/gub/target/linux-x86/src/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/Documentation/pictures"
-I
"/home/gub/NewGub/gub/target/linux-x86/src/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/Documentation"
-I
"/home/gub/NewGub/gub/target/linux-x86/src/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/input/regression"
--formats=eps -deps-box-padding=3.000000 -dread-file-list -dno-strip-output-dir
/home/gub/NewGub/gub/target/linux-x86/build/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/out/lybook-db/snippet-names-bcc309d5e1e5a6301f36814c1d4d872c.ly'
returned non-zero exit status 1.
make[2]: *** [out-www/notation.texi] Error 1
make[2]: *** Deleting file `out-www/notation.texi'
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [WWW-1] Error 2
make: *** [doc-stage-1] Error 2
--
Phil Holmes