Cura 8640 PyQt6 upgrade

CMakeLists.txt

@@ -1,13 +1,12 @@
-# Copyright (c) 2020 Ultimaker B.V.
+# Copyright (c) 2022 Ultimaker B.V.
 # pynest2d is released under the terms of the LGPLv3 or higher.
 
 project(pynest2d)
-cmake_minimum_required(VERSION 3.18)  # Lowest version it's been tested with.
+cmake_minimum_required(VERSION 3.20)  # Lowest version it's been tested with.
+include(cmake/StandardProjectSettings.cmake)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
 
-set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-
 if(NOT DEFINED Python_VERSION)
     set(Python_VERSION
             3.10
@@ -17,39 +16,49 @@ endif()
 if(APPLE)
     set(Python_FIND_FRAMEWORK NEVER)
 endif()
-find_package(Python ${Python_VERSION} EXACT REQUIRED COMPONENTS Interpreter Development)
+find_package(cpython ${Python_VERSION} QUIET COMPONENTS Interpreter Development)
+if(NOT TARGET cpython::cpython)
+    find_package(Python ${Python_VERSION} EXACT REQUIRED COMPONENTS Interpreter Development)
+else()
+    add_library(Python::Python ALIAS cpython::python)
+    set(Python_SITEARCH "${CMAKE_INSTALL_PREFIX}/lib/python${Python_VERSION}/site-packages")
+    set(Python_EXECUTABLE ${cpython_PACKAGE_FOLDER_RELEASE}/bin/python3)
+    set(ENV{PYTHONPATH} ${Python_SITEARCH})
+endif()
 message(STATUS "Linking and building ${project_name} against Python ${Python_VERSION}")
 
 find_package(SIP REQUIRED 6.5.0)
 
-find_package(libnest2d REQUIRED)  # The library we're creating bindings for.
+find_package(Libnest2D REQUIRED)  # The library we're creating bindings for.
 
 add_library(pynest2d INTERFACE)
+set_project_standards(pynest2d)
+use_threads(pynest2d)
+set_rpath(TARGETS
+            pynest2d
+          PATHS
+            "$<$<PLATFORM_ID:Linux>:usr/bin>"
+            "$<$<PLATFORM_ID:Linux>:usr/bin/lib>"
+            "$<$<PLATFORM_ID:Darwin>:../lib>"
+            "$<$<PLATFORM_ID:Darwin>:../Resources/lib>"
+            "../../"  # In distributions of Cura, the libnest2d dependency is 2 directories up from where pynest2d gets installed.
+          RELATIVE)
 
 target_include_directories(pynest2d
         INTERFACE
         $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
         $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/src/>
         )
 
-# Use C++17 Standard
-message(STATUS "Setting C++17 support with extensions off and standard required")
-set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_CXX_EXTENSIONS OFF)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-target_compile_features(pynest2d INTERFACE cxx_std_17)
-
-if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
-    if (APPLE)
-        message(STATUS "Compiling ${project_name} against libc++")
-        target_compile_options(pynest2d INTERFACE "-stdlib=libc++")
-    endif()
-endif()
-
 find_package(Threads)
 find_package(clipper)
 find_package(NLopt)
-target_link_libraries(pynest2d INTERFACE libnest2d::libnest2d Python::Python Threads::Threads clipper::clipper NLopt::nlopt)
+find_package(Boost)
+target_link_libraries(pynest2d INTERFACE Libnest2D::libnest2d Python::Python Threads::Threads clipper::clipper NLopt::nlopt boost::boost)
 
 add_sip_module(pynest2d)
-install_sip_module(pynest2d)
+if(Python_SITELIB_LOCAL)
+    install_sip_module(pynest2d ${Python_SITELIB_LOCAL})
+else()
+    install_sip_module(pynest2d)
+endif()

cmake/FindSIP.cmake

@@ -26,10 +26,10 @@
 
 
 
-IF(SIP_VERSION)
+IF(SIP_VERSION OR SIP_BUILD_EXECUTABLE)
     # Already in cache, be silent
     SET(SIP_FOUND TRUE)
-ELSE(SIP_VERSION)
+ELSE()
 
     FIND_FILE(_find_sip_py FindSIP.py PATHS ${CMAKE_MODULE_PATH} NO_CMAKE_FIND_ROOT_PATH)
 
@@ -59,7 +59,7 @@ ELSE(SIP_VERSION)
         ENDIF(SIP_FIND_REQUIRED)
     ENDIF(SIP_FOUND)
 
-ENDIF(SIP_VERSION)
+ENDIF()
 
 include(${CMAKE_SOURCE_DIR}/cmake/SIPMacros.cmake)
 ADD_DEFINITIONS(-DSIP_VERSION=0x${SIP_VERSION})