Stefan Krah <stefan-use...@bytereef.org> added the comment:
Jeroen Ruigrok van der Werven <rep...@bugs.python.org> wrote:
> Stefan, I was emailing with Rong-En Fan, a FreeBSD committer, about this
> issue and he asked:
>
> "Basically, this is caused by
>
> a) our readline.so is linked against ncurses.so (via -ltermcap which is the
> same lib)
> b) wide-character enabled ncurses, ncursesw.so, is also loaded in the same
> process
>
> To solve that, we need to have a separate termcap.so, do I understand the
> issue correctly?"
Yes, only that the separate termcap is called libtinfo.so. The approach of
splitting out libtinfo from ncurses (used by Fedora) is the most flexible
and allows the user to choose ncurses or ncursesw.
[ste...@fedora-amd64 ~]$ ldd /lib64/libreadline.so.6.0
linux-vdso.so.1 => (0x00007fff725ff000)
libtinfo.so.5 => /lib64/libtinfo.so.5 (0x00000036e4a00000)
libc.so.6 => /lib64/libc.so.6 (0x00000036d9600000)
/lib64/ld-linux-x86-64.so.2 (0x00000036d9200000)
+ports that use ncurses (ncurses and ncursesw are source compatible, but in
most cases they are binary compatible as long as application don't
+assume size of ncurses structures)."
>
> Which I fully support, it's something that I did on DragonFly BSD a long time
> ago already (for all I can remember).
>
> Your opinion?
I think the libtinfo approach is more flexible, and I'm not aware of any
drawbacks.
So, for FreeBSD, I'd use it.
Stefan Krah
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<http://bugs.python.org/issue7384>
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