finished setting up repo

CMakeLists.txt

@@ -1,8 +1,87 @@
-cmake_minimum_required(VERSION 3.15)
-project(${SKBUILD_PROJECT_NAME} LANGUAGES CXX)
+message(STATUS "")
+message(STATUS "------------------------------------------------------------------------")
+message(STATUS "  Project Cytnx (core), A Cross-section of Python & C++,Tensor network library ")
+message(STATUS "------------------------------------------------------------------------")
+message(STATUS "")
 
+# #####################################################################
+# ## CMAKE and CXX VERSION
+# #####################################################################
+cmake_minimum_required(VERSION 3.20)
+
+include(cmake/target_sources_local.cmake)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+message(STATUS " Generator: ${CMAKE_GENERATOR}")
+message(STATUS " Build Target: ${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
+message(STATUS " Installation Prefix: ${CMAKE_INSTALL_PREFIX}")
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+# #####################################################################
+# Version information
+# #####################################################################
+include(version.cmake)
+set(CYTNX_CORE_VERSION
+  ${CYTNX_CORE_VERSION_MAJOR}.${CYTNX_CORE_VERSION_MINOR}.${CYTNX_CORE_VERSION_PATCH}
+)
+
+## Project:
+project(CYTNX_CORE VERSION ${CYTNX_CORE_VERSION} LANGUAGES CXX C)
+add_library(cytnx_core STATIC)
+set_property(TARGET cytnx_core PROPERTY C_VISIBILITY_PRESET hidden)
+set_property(TARGET cytnx_core PROPERTY VISIBILITY_INLINES_HIDDEN ON)
+
+message(STATUS " Current source dir: ${CMAKE_CURRENT_SOURCE_DIR}")
+target_include_directories(cytnx_core
+  PRIVATE
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/cpp/src
+  PUBLIC
+  $<INSTALL_INTERFACE:include>
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/cpp/include>
+)
+# cpp source directory
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/src/cpp/src)
+target_compile_definitions(cytnx_core PUBLIC _LIBCPP_DISABLE_AVAILABILITY)
+target_compile_definitions(cytnx_core PUBLIC _LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
+target_compile_options(cytnx_core PUBLIC -Wformat=0 -w -fsized-deallocation)
+target_compile_features(cytnx_core PUBLIC cxx_std_17)
+
+
+## install
+include(GNUInstallDirs)
+
+message(STATUS " install libdir: ${CMAKE_INSTALL_LIBDIR}")
+message(STATUS " install includedir: ${CMAKE_INSTALL_INCLUDEDIR}")
+set(INSTALL_CONFIGDIR ${CMAKE_INSTALL_LIBDIR}/cmake/cytnx_core)
+INSTALL(TARGETS cytnx_core EXPORT cytnx_targets
+  LIBRARY
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  COMPONENT libraries
+  ARCHIVE
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  COMPONENT libraries
+  PUBLIC_HEADER
+  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+  COMPONENT Development
+)
+install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/src/cpp/include/
+  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+  COMPONENT headers
+  FILES_MATCHING PATTERN "*.h*")
+
+export(EXPORT cytnx_targets FILE ${CMAKE_CURRENT_BINARY_DIR}/CytnxTargets.cmake NAMESPACE cytnx_core::)
+export(PACKAGE cytnx_core)
+
+# #####################################################################
+# Pybind
+# #####################################################################
 set(PYBIND11_FINDPYTHON ON)
 find_package(pybind11 CONFIG REQUIRED)
 
-pybind11_add_module(_core MODULE src/main.cpp)
-install(TARGETS _core DESTINATION ${SKBUILD_PROJECT_NAME})
+pybind11_add_module(pycytnx MODULE src/cpp/pybind/main.cpp)
+target_link_libraries(pycytnx PUBLIC cytnx_core)
+#install(TARGETS pycytnx DESTINATION ${SKBUILD_PROJECT_NAME})
+install(TARGETS pycytnx DESTINATION ${CMAKE_INSTALL_PREFIX}/cytnx_core)
+message(STATUS " skbuild Installation Prefix: ${SKBUILD_PROJECT_NAME}")

cmake/target_sources_local.cmake

@@ -0,0 +1,30 @@
+# NOTE: This helper function assumes no generator expressions are used
+#       for the source files
+function(target_sources_local target)
+  if(POLICY CMP0076)
+    # New behavior is available, so just forward to it by ensuring
+    # that we have the policy set to request the new behavior, but
+    # don't change the policy setting for the calling scope
+    cmake_policy(PUSH)
+    cmake_policy(SET CMP0076 NEW)
+    target_sources(${target} ${ARGN})
+    cmake_policy(POP)
+    return()
+  endif()
+
+  # Must be using CMake 3.12 or earlier, so simulate the new behavior
+  unset(_srcList)
+  get_target_property(_targetSourceDir ${target} SOURCE_DIR)
+
+  foreach(src ${ARGN})
+    if(NOT src STREQUAL "PRIVATE" AND
+       NOT src STREQUAL "PUBLIC" AND
+       NOT src STREQUAL "INTERFACE" AND
+       NOT IS_ABSOLUTE "${src}")
+      # Relative path to source, prepend relative to where target was defined
+      file(RELATIVE_PATH src "${_targetSourceDir}" "${CMAKE_CURRENT_LIST_DIR}/${src}")
+    endif()
+    list(APPEND _srcList ${src})
+  endforeach()
+  target_sources(${target} ${_srcList})
+endfunction()

src/cpp/include/test.hpp

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <cstring>
+
+namespace cytnx_core {
+
+void test();
+
+}

src/main.cpp → src/cpp/pybind/main.cpp

@@ -1,10 +1,10 @@
 #include <pybind11/pybind11.h>
 
-std::string hello_from_bin() { return "Hello from!"; }
+std::string hello_from_bin() { return "Hello from Kai!"; }
 
 namespace py = pybind11;
 
-PYBIND11_MODULE(_core, m) {
+PYBIND11_MODULE(pycytnx, m) {
   m.doc() = "pybind11 hello module";
 
   m.def("hello_from_bin", &hello_from_bin, R"pbdoc(

src/cpp/src/CMakeLists.txt

@@ -0,0 +1,9 @@
+target_sources_local(cytnx_core
+  PRIVATE
+
+  # put cpp files here
+  test.cpp
+
+)
+
+#add_subdirectory(storage)

src/cpp/src/test.cpp

@@ -0,0 +1,4 @@
+#include "test.hpp"
+#include <iostream>
+
+void test() { std::cout << "Hello from test" << std::endl; }

src/cytnx_core/__init__.py

@@ -1,4 +1,4 @@
-from cytnx_core._core import hello_from_bin
+from cytnx_core.pycytnx import hello_from_bin
 
 
 def hello() -> str:

sync.sh

@@ -0,0 +1 @@
+uv sync --default-index https://pypi.org/simple

version.cmake

@@ -0,0 +1,3 @@
+set(CYTNX_CORE_VERSION_MAJOR 0)
+set(CYTNX_CORE_VERSION_MINOR 1)
+set(CYTNX_CORE_VERSION_PATCH 0)