Merge pull request #157948 from vbgl/ocaml-ocsigen_server-fix

ocamlPackages.ocsigen_server: fix install

pkgs/development/ocaml-modules/ocsigen-server/default.nix

@@ -37,7 +37,7 @@ buildDunePackage rec {
     ocaml_pcre xml-light
   ];
 
-  configureFlags = [ "--root $(out)" "--prefix /" ];
+  configureFlags = [ "--root $(out)" "--prefix /" "--temproot ''" ];
 
   dontAddPrefix = true;
   dontAddStaticConfigureFlags = true;
@@ -47,6 +47,10 @@ buildDunePackage rec {
     make -C src confs
   '';
 
+  postInstall = ''
+    make install.files
+  '';
+
   postFixup =
   ''
   rm -rf $out/var/run