[Bug 293185] print/lilypond: fix build with clang 21

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293185

--- Comment #4 from commit-hook@FreeBSD.org ---
A commit in branch 2026Q1 references this bug:

URL:
https://cgit.FreeBSD.org/ports/commit/?id=319de1201ea6ea21fe0991619451cf78ed0444e6

commit 319de1201ea6ea21fe0991619451cf78ed0444e6
Author:     Dimitry Andric <dim@FreeBSD.org>
AuthorDate: 2026-02-14 23:09:53 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2026-02-16 20:04:21 +0000

    print/lilypond: fix build with clang 21

    With clang 21 print/lilypond fails to build, with errors similar to:

        In file included from line-interface.cc:25:
        In file included from
/wrkdirs/usr/ports/print/lilypond/work/lilypond-2.24.4/lily/include/lazy-skyline-pair.hh:24:
       
/wrkdirs/usr/ports/print/lilypond/work/lilypond-2.24.4/lily/include/transform.hh:32:3:
error: 'smob_trampoline' is a private member of 'Smob_base<Transform>'
           32 |   LY_DECLARE_SMOB_PROC (&Transform::call, 1, 0, 0);
              |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       
/wrkdirs/usr/ports/print/lilypond/work/lilypond-2.24.4/lily/include/smobs.hh:245:32:
note: expanded from macro 'LY_DECLARE_SMOB_PROC'
          245 |   LY_DECLARE_STATIC_SMOB_PROC (smob_trampoline<PMF>, REQ, OPT,
VAR)
              |  
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       
/wrkdirs/usr/ports/print/lilypond/work/lilypond-2.24.4/lily/include/smobs.hh:240:65:
note: expanded from macro 'LY_DECLARE_STATIC_SMOB_PROC'
          240 |     scm_set_smob_apply (smob_tag, reinterpret_cast<scm_t_subr>
(FUN), REQ,     \
              |                                                                
^~~
       
/wrkdirs/usr/ports/print/lilypond/work/lilypond-2.24.4/lily/include/smobs.hh:260:14:
note: declared private here
          260 |   static SCM smob_trampoline (SCM self, SCM arg1)
              |              ^

    Upstream fixed this as a side effect of
   
https://gitweb.git.savannah.gnu.org/gitweb/?p=lilypond.git;a=commit;h=f2192eb294e
    by making the smob_trampoline methods protected, but it also includes
    other changes. Apply a minimalist version, which only makes the needed
    methods protected.

    PR:             293185
    Approved by:    m.ne@gmx.net (maintainer)
    MFH:            2026Q1

    (cherry picked from commit 58bab68c706086774b17dcacc61c8fd37ecc8a15)

 print/lilypond/files/patch-lily_include_smobs.hh (new) | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

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