Small addendum to Dimitri's comments:
On Thu, Jun 07, 2018 at 02:45:12PM -0300, Andreas Hasenack wrote:
> does anybody recall why Ubuntu has -Wl,-Bsymbolic-functions in
> dpkg-buildflags --get LDFLAGS but not Debian? It seems to be the case for
> about 10 years now, according to dpkg's changelog.
> I came across this change because of a delta we have been carrying in the
> autofs package for fix segfaults on startup and other issues:
> https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1470687: Not working
> properly with compile options "-symbolic-functions"
> https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1472115: autofs start
> fails: segfault at 0 ip ...
> d/rules has had a trick to drop -Bsymbolic-functions from LDFLAGS at build
> time (hello sed), but it still leaks through when building the lookup_ldap
> module via $(krb5-config --libs), hence the current
> d/p/fix-lookup-ldap-crash.patch patch we have been carrying.
This leaking of linker flags is also a bug in krb5-config.
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