libchop: fix build w/glibc-2.32

pkgs/development/libraries/libchop/default.nix

@@ -1,6 +1,6 @@
 { fetchurl, stdenv, zlib, bzip2, libgcrypt
 , gdbm, gperf, tdb, gnutls, db, libuuid
-, lzo, pkgconfig, guile
+, lzo, pkgconfig, guile, rpcsvc-proto, libtirpc
 }:
 
 stdenv.mkDerivation rec {
@@ -11,16 +11,19 @@ stdenv.mkDerivation rec {
     sha256 = "0fpdyxww41ba52d98blvnf543xvirq1v9xz1i3x1gm9lzlzpmc2g";
   };
 
-  patches = [ ./gets-undeclared.patch ./size_t.patch ];
+  patches = [ ./gets-undeclared.patch ./size_t.patch ./0001-Fix-RPC-compilation-when-using-libtirpc-rather-than-.patch ];
 
-  nativeBuildInputs = [ pkgconfig gperf ];
+  nativeBuildInputs = [ pkgconfig gperf rpcsvc-proto ];
+
+  NIX_CFLAGS_COMPILE = [ "-I${libtirpc.dev}/include/tirpc" ];
+  NIX_LDFLAGS = [ "-ltirpc" ];
 
   buildInputs =
     [ zlib bzip2 lzo
       libgcrypt
       gdbm db tdb
       gnutls libuuid
-      guile
+      guile libtirpc
     ];
 
   doCheck = false;