chore: update C++ standard to 20 in native_optim CMake configuration

Author: apstenku123

cppmega_mlx/training/native_optim/CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.27)
 
 project(cppmega_native_optim LANGUAGES CXX)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 

cppmega_mlx/training/native_optim/CMakeLists.txt.bak

@@ -0,0 +1,64 @@
+cmake_minimum_required(VERSION 3.27)
+
+project(cppmega_native_optim LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+option(BUILD_SHARED_LIBS "Build extension support library as shared" ON)
+
+find_package(
+  Python 3.11
+  COMPONENTS Interpreter Development.Module
+  REQUIRED)
+execute_process(
+  COMMAND "${Python_EXECUTABLE}" -m nanobind --cmake_dir
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+  OUTPUT_VARIABLE nanobind_ROOT)
+find_package(nanobind CONFIG REQUIRED)
+
+execute_process(
+  COMMAND "${Python_EXECUTABLE}" -m mlx --cmake-dir
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+  OUTPUT_VARIABLE MLX_ROOT)
+find_package(MLX CONFIG REQUIRED)
+
+add_library(cppmega_native_optim)
+target_sources(
+  cppmega_native_optim
+  PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}/fused_8bit.cpp)
+target_include_directories(cppmega_native_optim PUBLIC ${CMAKE_CURRENT_LIST_DIR})
+target_link_libraries(cppmega_native_optim PUBLIC mlx)
+
+if(MLX_BUILD_METAL)
+  mlx_build_metallib(
+    TARGET
+      cppmega_native_optim_metallib
+    TITLE
+      cppmega_native_optim
+    SOURCES
+      ${CMAKE_CURRENT_LIST_DIR}/fused_8bit.metal
+    INCLUDE_DIRS
+      ${PROJECT_SOURCE_DIR}
+      ${MLX_INCLUDE_DIRS}
+    OUTPUT_DIRECTORY
+      ${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
+  add_dependencies(cppmega_native_optim cppmega_native_optim_metallib)
+endif()
+
+nanobind_add_module(
+  _ext
+  NB_STATIC
+  STABLE_ABI
+  LTO
+  NOMINSIZE
+  NB_DOMAIN
+  mlx
+  ${CMAKE_CURRENT_LIST_DIR}/bindings.cpp)
+target_link_libraries(_ext PRIVATE cppmega_native_optim)
+
+if(BUILD_SHARED_LIBS)
+  target_link_options(_ext PRIVATE -Wl,-rpath,@loader_path)
+endif()