pyproject_toml.patch

From ef86609f9fc4ce269efd97e0f9dec8540f1f0fd9 Mon Sep 17 00:00:00 2001
From: Ryan Curtin <ryan@ratml.org>
Date: Thu, 5 Feb 2026 11:51:41 -0500
Subject: [PATCH] Add skeleton pyproject.toml to specify build-time
 dependencies.

---
 src/mlpack/bindings/python/CMakeLists.txt | 4 ++++
 src/mlpack/bindings/python/pyproject.toml | 7 +++++++
 2 files changed, 11 insertions(+)
 create mode 100644 src/mlpack/bindings/python/pyproject.toml

diff --git a/src/mlpack/bindings/python/CMakeLists.txt b/src/mlpack/bindings/python/CMakeLists.txt
index c79048bc76..e4fcc886d9 100644
--- a/src/mlpack/bindings/python/CMakeLists.txt
+++ b/src/mlpack/bindings/python/CMakeLists.txt
@@ -163,6 +163,10 @@ add_custom_command(TARGET python_copy PRE_BUILD
     COMMAND ${CMAKE_COMMAND} ARGS -E copy
         ${CMAKE_CURRENT_SOURCE_DIR}/setup_readme.md
         ${CMAKE_BINARY_DIR}/src/mlpack/bindings/python/)
+add_custom_command(TARGET python_copy PRE_BUILD
+    COMMAND ${CMAKE_COMMAND} ARGS -E copy
+        ${CMAKE_CURRENT_SOURCE_DIR}/pyproject.toml
+        ${CMAKE_BINARY_DIR}/src/mlpack/bindings/python/)
 
 # Copy all mlpack headers for inclusion in the package, but remove the bindings/
 # and tests/ directories as they should not be included.
diff --git a/src/mlpack/bindings/python/pyproject.toml b/src/mlpack/bindings/python/pyproject.toml
new file mode 100644
index 0000000000..4ab17f05c0
--- /dev/null
+++ b/src/mlpack/bindings/python/pyproject.toml
@@ -0,0 +1,7 @@
+[build-system]
+requires = [
+  "setuptools",
+  "cython",
+  "numpy",
+  "pandas"
+]
-- 
2.51.0