To produce a useful @file{eps} file, use
@example
-lilypond -b eps -dno-gs-load-fonts -dinclude-eps-fonts myfile.ly
+lilypond -dbackend=eps -dno-gs-load-fonts -dinclude-eps-fonts myfile.ly
@end example
@file{texstr} backend,
@example
-lilypond -b texstr input/les-nereides.ly
+lilypond -dbackend=texstr input/les-nereides.ly
latex les-nereides.texstr
@end example
read when you execute
@example
-lilypond -b tex input/les-nereides.ly
+lilypond -dbackend=tex input/les-nereides.ly
@end example
Both @file{les-nereides.texstr} and @file{les-nereides.tex} need