lld does not ignore erroneous libdirs (ideally should use pkg-config)
https://bugs.gentoo.org/875017
--- a/configure.in
+++ b/configure.in
@@ -60,3 +60,3 @@
      CFLAGS="$CFLAGS -I${prefix}/include"
-     LIBS="$LIBS -L${prefix}/lib -lpcap"
+     LIBS="$LIBS -lpcap"
   elif test -f /usr/include/pcap/pcap.h; then