From f7142289ad2cfdea393be4a4d3b103e4a31ca548 Mon Sep 17 00:00:00 2001
From: Jinzhe Zeng <jinzhe.zeng@rutgers.edu>
Date: Sat, 20 Apr 2024 18:36:32 -0400
Subject: [PATCH] fix build

Signed-off-by: Jinzhe Zeng <jinzhe.zeng@rutgers.edu>
---
 CMakeLists.txt | 14 +++++++++-----
 pyproject.toml |  1 -
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2571dd2..c8bd993 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,12 +6,16 @@ find_package(
   COMPONENTS Interpreter Development.Module
   REQUIRED)
 
-find_package(Cython REQUIRED)
+add_custom_command(
+OUTPUT dps.cpp
+COMMENT
+    "Making ${CMAKE_CURRENT_BINARY_DIR}/dps.cpp from ${CMAKE_CURRENT_SOURCE_DIR}/mddatasetbuilder/dps.pyx"
+COMMAND Python::Interpreter -m cython
+        "${CMAKE_CURRENT_SOURCE_DIR}/mddatasetbuilder/dps.pyx" --output-file dps.cpp
+DEPENDS mddatasetbuilder/dps.pyx
+VERBATIM)
 
-cython_compile_pyx(${CMAKE_CURRENT_BINARY_DIR}/dps.pyx OUTPUT_VAR
-                   _dps_source_files)
-
-python_add_library(dps MODULE ${_dps_source_files}
+python_add_library(dps MODULE ${CMAKE_CURRENT_BINARY_DIR}/dps.cpp
                    ${CMAKE_CURRENT_BINARY_DIR}/c_stack.cpp WITH_SOABI)
 target_compile_definitions(dps PRIVATE CYTHON_LIMITED_API=1
                                        Py_LIMITED_API=0x03070000)
diff --git a/pyproject.toml b/pyproject.toml
index 6626192..d4f7bc8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,6 @@
 requires = [
   "scikit-build-core>=0.9.0",
   "cython>=3.0.1",
-  "cython-cmake",
 ]
 build-backend = "scikit_build_core.build"