fix compile errors with musl libc
fix missing dev_t in musl libc
fix missing RLIM64_INFINITY in musl libc
fix missing typedefs with musl libc
avoid redefinition of symbols with musl libc
fix missing _DATE_FMT with musl libc
fix missing sys/param.h include with musl libc
fix missing linux/param.h include with musl libc
fix missing fcntl include with musl libc
fix missing dev_t typedef with musl libc
add support for external tirpc RPC lib for musl libc