fix pdo and tokenizer extensions compilation

Is it something we have to report upstream ?

Author: drupol

pkgs/package-overrides.nix

@@ -571,6 +571,14 @@ in
             ];
         in
         ourPatches ++ upstreamPatches;
+
+      buildInputs = attrs.buildInputs or [] ++ [
+        pkgs.bison
+      ];
+
+      preConfigure = attrs.preConfigure or "" + lib.optionalString (lib.versionAtLeast prev.php.version "7.4") ''
+        ../../scripts/dev/genfiles
+      '';
     });
 
     pdo_mysql =
@@ -697,15 +705,6 @@ in
         ourPatches ++ upstreamPatches;
     });
 
-    tokenizer = prev.extensions.tokenizer.overrideAttrs (attrs: {
-      patches = builtins.filter
-        (patch:
-          # The patch do not apply to PHP < 8.1
-          patchName patch == "fix-tokenizer-php81.patch" -> lib.versionAtLeast prev.php.version "8.1"
-        )
-        (attrs.patches or []);
-    });
-
     tokenizer = prev.extensions.tokenizer.overrideAttrs (attrs: {
       patches = builtins.filter
         (patch:
@@ -714,12 +713,13 @@ in
         )
         (attrs.patches or []);
 
-      nativeBuildInputs = attrs.nativeBuildInputs or [ ] ++ lib.optionals isBuiltFromGit [
-        # Tarballs ship pre-generated parser files.
+      buildInputs = attrs.buildInputs or [] ++ [
         pkgs.bison
-        pkgs.flex
       ];
 
+      preConfigure = attrs.preConfigure or "" + lib.optionalString (lib.versionAtLeast prev.php.version "7.4") ''
+        ../../scripts/dev/genfiles
+      '';
     });
 
     wddx =