Enable 24.04 CI, require cmake 3.22.1 (#504)

* Require cmake version 3.22.1, remove old cmake code
  Part of gazebosim/gz-cmake#350.
* No more special handling of PYTHON_DEBUG_LIBRARIES
* Remove distutils logic for cmake < 3.12

Signed-off-by: Steve Peters <scpeters@openrobotics.org>

.github/workflows/ci.yml

@@ -23,3 +23,12 @@ jobs:
           cppcheck-enabled: true
           cpplint-enabled: true
           doxygen-enabled: true
+  noble-ci:
+    runs-on: ubuntu-latest
+    name: Ubuntu Noble CI
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Compile and test
+        id: ci
+        uses: gazebo-tooling/action-gz-ci@noble

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10.2 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.22.1 FATAL_ERROR)
 
 #============================================================================
 # Initialize the project

example/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10.2 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.22.1 FATAL_ERROR)
 
 project(gz-transport-examples)
 

python/CMakeLists.txt

@@ -1,21 +1,6 @@
-if(WIN32 AND CMAKE_BUILD_TYPE STREQUAL "Debug")
-  # pybind11 logic for setting up a debug build when both a debug and release
-  # python interpreter are present in the system seems to be pretty much broken.
-  # This works around the issue.
-  set(PYTHON_LIBRARIES "${PYTHON_DEBUG_LIBRARIES}")
-endif()
-
 if(USE_SYSTEM_PATHS_FOR_PYTHON_INSTALLATION)
-  if(${CMAKE_VERSION} VERSION_LESS "3.12.0")
-    execute_process(
-      COMMAND "${PYTHON_EXECUTABLE}" -c "if True:
-  from distutils import sysconfig as sc
-  print(sc.get_python_lib(plat_specific=True))"
-      OUTPUT_VARIABLE Python3_SITEARCH
-      OUTPUT_STRIP_TRAILING_WHITESPACE)
-  else()
+  if(NOT Python3_SITEARCH)
     # Get install variable from Python3 module
-    # Python3_SITEARCH is available from 3.12 on, workaround if needed:
     find_package(Python3 COMPONENTS Interpreter)
   endif()