Edit file File name : libevent_core.pc Content :#libevent pkg-config source file prefix=/usr exec_prefix=/usr libdir=/usr/lib64 includedir=/usr/include Name: libevent_core Description: libevent_core Version: 2.1.8-stable Requires: Conflicts: Libs: -L${libdir} -levent_core Libs.private: -lcrypto Cflags: -I${includedir} Save