From ccec3ae0bdbd95be21376d01e2ffb9be7f7a62b4 Mon Sep 17 00:00:00 2001
From: Basit Ayantunde <rlamarrr@gmail.com>
Date: Fri, 4 Sep 2026 18:04:23 +0000
Subject: [PATCH] Remove precompiled header directory references from JIT
 context

---
 cpp/src/jit/cache.cpp       | 2 --
 cpp/src/runtime/context.cpp | 5 -----
 cpp/src/runtime/context.hpp | 3 ---
 3 files changed, 10 deletions(-)

diff --git a/cpp/src/jit/cache.cpp b/cpp/src/jit/cache.cpp
index 88619ad6ef7e..5a1a9a4d03c9 100644
--- a/cpp/src/jit/cache.cpp
+++ b/cpp/src/jit/cache.cpp
@@ -300,7 +300,6 @@ rtcx::blob compile_fragment(char const* name,
   auto& bundle = ctx.jit_bundle();
 
   auto include_dirs = bundle.get_include_directories();
-  auto pch_dir      = ctx.get_jit_pch_dir();
 
   auto nvrtc_version = ctx.nvrtc_version().value();
 
@@ -333,7 +332,6 @@ rtcx::blob compile_fragment(char const* name,
 
   if (use_pch) {
     options.emplace_back("--pch");
-    options.emplace_back(std::format("--pch-dir={}", pch_dir));
 
     if (cfg.jit_verbose) {
       options.emplace_back("--pch-verbose=true");
diff --git a/cpp/src/runtime/context.cpp b/cpp/src/runtime/context.cpp
index cac9723417b4..341f04bb9980 100644
--- a/cpp/src/runtime/context.cpp
+++ b/cpp/src/runtime/context.cpp
@@ -76,7 +76,6 @@ void context::initialize_jit()
   // make sure the required directories exist
   std::filesystem::create_directories(_config.rtcx_cache_dir);
   std::filesystem::create_directories(_config.jit_bundle_dir);
-  std::filesystem::create_directories(_config.jit_pch_dir);
   std::filesystem::create_directories(_config.jit_tmp_dir);
 
   _nvrtc_version     = rtcx::nvrtc_version();
@@ -117,8 +116,6 @@ bool context::use_jit() const { return _config.use_jit; }
 
 context_config const& context::config() const { return _config; }
 
-std::string const& context::get_jit_pch_dir() const { return _config.jit_pch_dir; }
-
 context::device_properties const& context::get_device_properties() const
 {
   return _device_properties;
@@ -229,7 +226,6 @@ context make_context(detail::init_flags flags)
   auto const cache_dir      = get_cudf_kernel_cache_dir();
   auto const jit_bundle_dir = cache_dir / "bundle";
   auto const rtcx_cache_dir = cache_dir / "rtcx_cache";
-  auto const jit_pch_dir    = cache_dir / "pch";
   auto const jit_tmp_dir    = cache_dir / "tmp";
 
   flags = flags | (preload_nvcomp ? detail::init_flags::LOAD_NVCOMP : detail::init_flags::NONE);
@@ -245,7 +241,6 @@ context make_context(detail::init_flags flags)
                      .dump_jit_time_profile      = dump_jit_time_profile,
                      .rtcx_cache_dir             = rtcx_cache_dir,
                      .jit_bundle_dir             = jit_bundle_dir,
-                     .jit_pch_dir                = jit_pch_dir,
                      .jit_tmp_dir                = jit_tmp_dir,
                      .kernel_cache_limit_process = kernel_cache_limit_process};
 
diff --git a/cpp/src/runtime/context.hpp b/cpp/src/runtime/context.hpp
index 93f46f8d83ab..24f91e63daff 100644
--- a/cpp/src/runtime/context.hpp
+++ b/cpp/src/runtime/context.hpp
@@ -35,7 +35,6 @@ struct [[nodiscard]] context_config {
   bool dump_jit_time_profile : 1      = false;
   std::string rtcx_cache_dir          = {};
   std::string jit_bundle_dir          = {};
-  std::string jit_pch_dir             = {};
   std::string jit_tmp_dir             = {};
   uint32_t kernel_cache_limit_process = 0;
 };
@@ -84,8 +83,6 @@ class context {
 
   [[nodiscard]] context_config const& config() const;
 
-  [[nodiscard]] std::string const& get_jit_pch_dir() const;
-
   [[nodiscard]] device_properties const& get_device_properties() const;
 
   [[nodiscard]] std::optional<int32_t> nvrtc_version() const;