pythonInterpreters.pypy27_prebuilt: use autoPatchelfHook

pkgs/development/interpreters/python/pypy/prebuilt_2_7.nix

@@ -1,11 +1,13 @@
 { lib
 , stdenv
 , fetchurl
+, autoPatchelfHook
 , python-setup-hook
 , self
-, which
 # Dependencies
 , bzip2
+, gdbm
+, sqlite
 , zlib
 , expat
 , ncurses6
@@ -48,6 +50,8 @@ let
 
   deps = [
     bzip2
+    gdbm
+    sqlite
     zlib
     expat
     ncurses6
@@ -68,9 +72,13 @@ in with passthru; stdenv.mkDerivation {
     inherit sha256;
   };
 
-  buildInputs = [ which ];
+  buildInputs = deps;
+
+  nativeBuildInputs = [ autoPatchelfHook ];
 
   installPhase = ''
+    runHook preInstall
+
     mkdir -p $out/lib
     echo "Moving files to $out"
     mv -t $out bin include lib-python lib_pypy site-packages
@@ -80,23 +88,20 @@ in with passthru; stdenv.mkDerivation {
 
     rm $out/bin/*.debug
 
-    echo "Patching binaries"
-    interpreter=$(patchelf --print-interpreter $(readlink -f $(which patchelf)))
-    patchelf --set-interpreter $interpreter \
-             --set-rpath $out/lib \
-             $out/bin/pypy*
-
-    pushd $out
-    find {lib,lib_pypy*} -name "*.so" -exec patchelf --remove-needed libncursesw.so.6 --replace-needed libtinfow.so.6 libncursesw.so.6 {} \;
-    find {lib,lib_pypy*} -name "*.so" -exec patchelf --set-rpath ${lib.makeLibraryPath deps}:$out/lib {} \;
-
     echo "Removing bytecode"
-    find . -name "__pycache__" -type d -depth -exec rm -rf {} \;
-    popd
+    find . -name "__pycache__" -type d -depth -delete
 
     # Include a sitecustomize.py file
     cp ${../sitecustomize.py} $out/${sitePackages}/sitecustomize.py
 
+    runHook postInstall
+  '';
+
+  preFixup = ''
+    find $out/{lib,lib_pypy*} -name "*.so" \
+      -exec patchelf \
+        --replace-needed libtinfow.so.6 libncursesw.so.6 \
+        --replace-needed libgdbm.so.4 libgdbm_compat.so.4 {} \;
   '';
 
   doInstallCheck = true;