patching libzmq and cleaned up cmake

CMakeLists.txt

@@ -30,20 +30,41 @@ option(SLS_FETCH_ZMQ_FROM_GITHUB "Fetch zmq from github" OFF)
 option(SLS_FETCH_PYBIND11_FROM_GITHUB "Fetch pybind11 from github" OFF)
 
 
+
+
+
+
+# Allow FetchContent_Populate to be called with a single argument
+# otherwise deprecated warning is issued
+# Note: From cmake 3.28 we can pass EXCLUDE_FROM_ALL to FetchContent_Declare
+# and avoid direct use of Populate
+if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.30")
+    cmake_policy(SET CMP0169 OLD) 
+endif()
+
+# Patch libzmq to set minimum cmake version to 3.15 to avoid warnings
+# with newer cmake versions
+set(zmq_patch_version git apply ${CMAKE_CURRENT_SOURCE_DIR}/libs/libzmq/libzmq_cmake_version.patch)
+
+set(SLS_LIBZMQ_VERSION "4.3.4")
+
+
 if(SLS_FETCH_ZMQ_FROM_GITHUB)
     # Opt in to pull down a zmq version from github instead of
     # using the bundled verison
     FetchContent_Declare(
         libzmq
         GIT_REPOSITORY https://github.com/zeromq/libzmq.git
-        GIT_TAG        v4.3.4
+        GIT_TAG        v${SLS_LIBZMQ_VERSION}
+        PATCH_COMMAND ${zmq_patch_version}
     )
 else()
     # Standard behaviour use libzmq included in this repo (libs/libzmq)
     FetchContent_Declare(
         libzmq
-        URL ${CMAKE_CURRENT_SOURCE_DIR}/libs/libzmq/libzmq-4.3.4.tar.gz
+        URL ${CMAKE_CURRENT_SOURCE_DIR}/libs/libzmq/libzmq-${SLS_LIBZMQ_VERSION}.tar.gz
         URL_HASH MD5=cc20b769ac10afa352e5ed2769bb23b3
+        PATCH_COMMAND ${zmq_patch_version}
     )
 endif()
 
@@ -335,9 +356,15 @@ if (SLS_USE_CTBGUI)
     add_subdirectory(pyctbgui)
 endif(SLS_USE_CTBGUI)
 
-configure_file( .clang-tidy  
-    ${CMAKE_BINARY_DIR}/.clang-tidy  
-)
+# Workaround for file note being copied to build directory
+# when issuing a python -m build
+# TODO! Proper fix
+if(EXISTS ".clang-tidy")
+    configure_file(.clang-tidy  
+        ${CMAKE_BINARY_DIR}/.clang-tidy  
+    )
+endif()
+
 
 if (SLS_BUILD_EXAMPLES)
     add_subdirectory(sample)

libs/libzmq/libzmq_cmake_version.patch

@@ -0,0 +1,17 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index dd3d8eb9..75c321fd 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,11 +1,7 @@
+ # CMake build script for ZeroMQ
+ project(ZeroMQ)
+ 
+-if(${CMAKE_SYSTEM_NAME} STREQUAL Darwin)
+-  cmake_minimum_required(VERSION 3.0.2)
+-else()
+-  cmake_minimum_required(VERSION 2.8.12)
+-endif()
++cmake_minimum_required(VERSION 3.15)
+ 
+ include(CheckIncludeFiles)
+ include(CheckCCompilerFlag)

pyproject.toml

@@ -7,13 +7,16 @@ name = "slsdet"
 version = "2025.3.19"
 
 
-[tool.scikit-build]
-cmake.verbose = true
+[tool.cibuildwheel]
+before-all = "uname -a"
+
+[tool.scikit-build-core]
+build.verbose = true
 cmake.build-type = "Release"
 install.components = ["python"]
 
 
-[tool.scikit-build.cmake.define]
+[tool.scikit-build-core.cmake.define]
 #Only build the control software and python ext
 SLS_USE_RECEIVER = "OFF"
 SLS_USE_RECEIVER_BINARIES = "OFF"