On Sat, Jan 16, 2021 at 9:56 AM Jonas Hahnfeld via Discussions on LilyPond development <lilypond-devel@gnu.org> wrote: > > Am Montag, dem 11.01.2021 um 11:06 +0100 schrieb Michael Käppler: > > Am 11.01.2021 um 10:58 schrieb Thomas Morley: > > > Hi, > > > > > > please have a look at > > > https://lists.gnu.org/archive/html/guile-user/2021-01/msg00026.html > > > > > > Cheers, > > > Harm > > > > > Could this probably include Han-Wen's recent fix regarding GC? > > My understanding is that the fix is ABI incompatible with earlier > releases of Guile 1.8; at least I get > $ LD_LIBRARY_PATH=/code/guile/install/lib/ ./out/bin/lilypond -dhelp > ./out/bin/lilypond: Symbol `scm_i_master_freelist2' has different size in > shared object, consider re-linking > ./out/bin/lilypond: Symbol `scm_i_master_freelist' has different size in > shared object, consider re-linking > > This is because scm_t_cell_type_statistics, the type of the two > symbols, changed size (got bigger), and this is usually a no-no for a > minor bugfix release. I'm not saying this makes sense (AFAICT these > symbols shouldn't be public), but it's the current situation and the > bugfix would require relinking all objects depending on the library.
I can probably trim down the fix to be more backward compatible. Do you know of documentation that details what is and is not allowed in an ABI-compatible change? -- Han-Wen Nienhuys - hanw...@gmail.com - http://www.xs4all.nl/~hanwen
