From be9708daad8fe5af19c5d4a5d191daed7f36b3bf Mon Sep 17 00:00:00 2001
From: Ryan Curtin <ryan@ratml.org>
Date: Tue, 29 Aug 2023 16:09:48 -0400
Subject: [PATCH] Fix R binding build to include config.hpp.

---
 src/mlpack/bindings/R/CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mlpack/bindings/R/CMakeLists.txt b/src/mlpack/bindings/R/CMakeLists.txt
index 728f9a33e5..454129d25f 100644
--- a/src/mlpack/bindings/R/CMakeLists.txt
+++ b/src/mlpack/bindings/R/CMakeLists.txt
@@ -436,6 +436,12 @@ macro (post_r_setup)
     )
   endforeach()
 
+  # Copy configured config.hpp.
+  execute_process(
+    COMMAND ${CMAKE_COMMAND} -E copy
+      "${CMAKE_BINARY_DIR}/include/mlpack/config-local.hpp"
+      "${CMAKE_BINARY_DIR}/src/mlpack/bindings/R/mlpack/inst/include/mlpack/config.hpp")
+
   foreach(r_src_file ${R_SRC_FILES})
     if ("${r_src_file}" MATCHES "methods/" OR
         "${r_src_file}" MATCHES "core/" OR