chore(3p/nix): Clean up some unused defines r/872

1 files changed, 1 insertions, 19 deletions

diff --git a/third_party/nix/src/nix/repl.cc b/third_party/nix/src/nix/repl.cc
index 65a22382b2..9431b5b60f 100644
--- a/third_party/nix/src/nix/repl.cc
+++ b/third_party/nix/src/nix/repl.cc
@@ -7,22 +7,8 @@
 
 #include <absl/strings/ascii.h>
 #include <absl/strings/match.h>
-#include <glog/logging.h>
-
-#ifdef READLINE
-#include <readline/history.h>
-#include <readline/readline.h>
-#else
-// editline < 1.15.2 don't wrap their API for C++ usage
-// (added in
-// https://github.com/troglobit/editline/commit/91398ceb3427b730995357e9d120539fb9bb7461).
-// This results in linker errors due to to name-mangling of editline C symbols.
-// For compatibility with these versions, we wrap the API here
-// (wrapping multiple times on newer versions is no problem).
-extern "C" {
 #include <editline.h>
-}
-#endif
+#include <glog/logging.h>
 
 #include "libexpr/common-eval-args.hh"
 #include "libexpr/eval-inline.hh"
@@ -242,15 +228,11 @@ void NixRepl::mainLoop(const std::vector<std::string>& files) {
   // Allow nix-repl specific settings in .inputrc
   rl_readline_name = "nix-repl";
   createDirs(dirOf(historyFile));
-#ifndef READLINE
   el_hist_size = 1000;
-#endif
   read_history(historyFile.c_str());
   curRepl = this;
-#ifndef READLINE
   rl_set_complete_func(completionCallback);
   rl_set_list_possib_func(listPossibleCallback);
-#endif
 
   std::string input;