php: run genfiles for building extensions too

pkgs/top-level/php-packages.nix

@@ -31,6 +31,7 @@
 , pam
 , pcre2
 , postgresql
+, bison
 , re2c
 , readline
 , rsync
@@ -101,14 +102,22 @@ lib.makeScope pkgs.newScope (self: with self; {
         autoconf
         pkg-config
         re2c
+        bison
       ];
 
       inherit configureFlags internalDeps buildInputs zendExtension doCheck;
 
       preConfigurePhases = [
+        "genfiles"
         "cdToExtensionRootPhase"
       ];
 
+      genfiles = ''
+        if [ -f "scripts/dev/genfiles" ]; then
+          ./scripts/dev/genfiles
+        fi
+      '';
+
       cdToExtensionRootPhase = ''
         # Go to extension source root.
         cd "ext/${extName}"