<div dir="ltr">Thanks all, very useful information. </div><div class="gmail_extra"> <div class="gmail_quote">On Thu, Jun 7, 2018 at 7:45 PM, Steve Langasek <<a href="mailto:steve.langasek@ubuntu.com" target="_blank">steve.langasek@ubuntu.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Andreas, 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: > <a href="https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1470687" rel="noreferrer" target="_blank">https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1470687</a>: Not working > properly with compile options "-symbolic-functions" > <a href="https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1472115" rel="noreferrer" target="_blank">https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1472115</a>: 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. -- Steve Langasek Give me a lever long enough and a Free OS Debian Developer to set it on, and I can move the world. Ubuntu Developer <a href="https://www.debian.org/" rel="noreferrer" target="_blank">https://www.debian.org/</a> <a href="mailto:slangasek@ubuntu.com">slangasek@ubuntu.com</a> <a href="mailto:vorlon@debian.org">vorlon@debian.org</a> -- ubuntu-devel mailing list <a href="mailto:ubuntu-devel@lists.ubuntu.com">ubuntu-devel@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel</a> </blockquote></div> </div>