samba: etc

Makes samba use the nix vendored `talloc` instead of compiling its own,
bundleded version. This fixes an issue where the library may be initialized
with different magic numbers, resulting in segfaults. See in
https://github.com/NixOS/nixpkgs/issues/205859 for further detail.

pkgs/servers/samba/4.x.nix

@@ -20,9 +20,12 @@
 , gnutls
 , systemd
 , samba
+, talloc
 , jansson
+, ldb
 , libtasn1
 , tdb
+, tevent
 , libxcrypt
 , cmocka
 , rpcsvc-proto
@@ -100,8 +103,11 @@ stdenv.mkDerivation rec {
     libarchive
     zlib
     gnutls
+    ldb
+    talloc
     libtasn1
     tdb
+    tevent
     libxcrypt
   ] ++ optionals stdenv.isLinux [ liburing systemd ]
     ++ optionals stdenv.isDarwin [ libiconv ]
@@ -143,6 +149,7 @@ stdenv.mkDerivation rec {
   ++ optionals (!enableLDAP) [
     "--without-ldap"
     "--without-ads"
+    "--bundled-libraries=!ldb,!pyldb-util!talloc,!pytalloc-util,!tevent,!tdb,!pytdb"
   ] ++ optional enableLibunwind "--with-libunwind"
     ++ optional enableProfiling "--with-profiling-data"
     ++ optional (!enableAcl) "--without-acl-support"