Hi Nick, > When attempting to build vpp against system libraries (dpdk, libbpf, etc) > on Debian Bullseye I get the following error when building the > af_xdp_plugin.so > Is the af_xdp plugin doing something unusual with libbpf?
Af_xdp_plugin.so is a dynamically loadable object (as all VPP plugins), hence libbpf.a must be compiled as PIC which is not the case here. When you use VPP default build system, we compile libbpf.a as PIC and link against that. What is the reason to use the system libbpf instead of the one we compile? Apart from PIC, libbpf itself is not stable yet so you could encounter more subtile incompatibilities down the road. Best ben
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