Dirk, Dirk Eddelbuettel <e...@debian.org> writes: > On 20 November 2016 at 21:49, Joseph Mingrone wrote: > | Hello Dirk, > | > | Dirk Eddelbuettel <e...@debian.org> writes: > | > | > On 20 November 2016 at 19:28, Joseph Mingrone wrote: > | > | Hello, > | > | > | > | R's shared libraries are linked without setting the soname. This is > causing problems for some consumers. > | > | > | > | Error: /usr/local/lib/R/library/tseries/libs/tseries.so is > linked to > | > | /usr/local/lib/R/lib/libRblas.so which does not have a SONAME. > math/R needs > | > | to be fixed. > | > | > | > | What's the correct way to add the necessary linker flags? I believe it > should be something like this. > | > | > | > | cc -shared -Wl,-soname,... > | > | > I think that may be true "in theory" (for libraries loaded by ldd(8) via > | > `/etc/ld.conf`) but not "in practice" for R which loads these shared > | > libraries itself (via dlopen(3) etc). > | > | R may use dlopen() but other customers may not.
> Yes, well, but are there other customers? Yes. Here is one example. https://rkward.kde.org/ > | > For what it is worth, I have been providing the Debian packages "as is" > for > | > now 15+ years and nobody has complained. > | > | > What system are you on to get that complaint? > | > | This is on FreeBSD. Our apt-get, pkg, will not register shared library > dependencies if the shared library does not have a soname. If the library > | gets changed and is no longer compatible with the previous version, and > there is no soname to check, pkg will not know that all its dependencies > | need to be reinstalled. > Hmpf. No mechanism for fallback / default soname? In that case you (or > whoever acts as FreeBSD maintainer) may have to supply one. Using a fallback or default soname would defeat the purpose, which is to detect when the library's interface has changed, so that the proper action can be taken. I could provide a local patch for R's autotools, but as a package maintainer yourself, I expect you also prefer when upstream get's it right. Are there any constructive reasons not to include a proper soname? Regards, Joseph
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