I read also that:
"The packages will have to be patched to Require and BuildRequire the
compat-guile18(-devel) package. Furthermore, they will have to be
patched (if necessary) to use the renamed autotools macros. The
patches to spec files and autotools macros are easy to implement.
Packages that are already built will not have to be rebuilt (there are
no soname bumps in the compat package) and should function without any
problems. Only new releases will have to be patched."
This confirms that lilypond cannot be built without modification. I
just have to find these "easy to implement" patches... If someone has
ideas!
I found in the src rpm what to do:
export GUILE=/usr/bin/guile1.8
export GUILE_CONFIG=/usr/bin/guile1.8-config
export GUILE_TOOLS=/usr/bin/guile1.8-tools
that works now! Any possibility to do that automatically in configure?
Frédéric