From 674b0275a6333deaa2fee15f12cffaa14a099a96 Mon Sep 17 00:00:00 2001
From: Yorick van Pelt <yorick@yorickvanpelt.nl>
Date: Mon, 28 Aug 2023 23:17:43 +0200
Subject: [PATCH] C API: fix: macos doesn't have std::bind_front

---
 src/libexpr/c/nix_api_value.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libexpr/c/nix_api_value.cc b/src/libexpr/c/nix_api_value.cc
index 8b73729a5b78..2348b75ed857 100644
--- a/src/libexpr/c/nix_api_value.cc
+++ b/src/libexpr/c/nix_api_value.cc
@@ -62,6 +62,7 @@ PrimOp * nix_alloc_primop(
     if (context)
         context->last_err_code = NIX_OK;
     try {
+        using namespace std::placeholders;
         auto p = new
 #ifdef HAVE_BOEHMGC
             (GC)
@@ -71,7 +72,7 @@ PrimOp * nix_alloc_primop(
                     .args = {},
                     .arity = (size_t) arity,
                     .doc = doc,
-                    .fun = std::bind_front(nix_c_primop_wrapper, fun, user_data)};
+                    .fun = std::bind(nix_c_primop_wrapper, fun, user_data, _1, _2, _3, _4)};
         if (args)
             for (size_t i = 0; args[i]; i++)
                 p->args.emplace_back(*args);