The problem here is the weak declaration:
$ eu-readelf --symbols=.dynsym /lib64/libcap-ng.so.0.0.0 | grep pthread_atfork
28: 0 NOTYPE WEAK DEFAULTUNDEF pthread_atfork
In the Fedora 29 build, the constructor looks like this:
Dump of assembler code for function
Hello,Here is a patch trying to address that, as suggested by Simon McVittie in https://github.com/stevegrubb/libcap-ng/issues/5and Carlos O'Donell at https://sourceware.org/bugzilla/show_bug.cgi?id=13502Using the package built with this patch also fixes this
Package: libcap-ng0
Version: 0.7.9-1
Severity: grave
Justification: renders package unusable
Hi,
apache httpd loads and unloads modules during a reload of the server
configuration. This causes the pthread_atfork entry that is installed by
libcap-ng0 to point to code that is no longer in the
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