--- libabigail-1.6/tools/abisym.cc 2019-03-27 05:31:13.000000000 -0400 +++ libabigail-1.6/tools/abisym.cc 2019-07-18 07:19:28.999752604 -0400 @@ -26,6 +26,7 @@ /// in its symbol tables and report what it sees. #include <elf.h> +#include <libgen.h> #include <cstring> #include <iostream> #include <sstream>