refactor: correct osx deployment target and move to main CMakeLists.txt

.github/workflows/continuous-integration.yml

@@ -127,12 +127,12 @@ jobs:
             runs-on: "macos-14"
             timeout: 10
             arch: arm64
-            config-args: "-DCMAKE_OSX_ARCHITECTURES=\"arm64\" -DMACOSX_DEPLOYMENT_TARGET=12"
+            config-args: "-DCMAKE_OSX_ARCHITECTURES=\"arm64\""
 
           - name: "macos-13-x64"
             runs-on: macos-13
             timeout: 20
-            config-args: "-DCMAKE_OSX_ARCHITECTURES=\"x86_64\" -DMACOSX_DEPLOYMENT_TARGET=12"
+            config-args: "-DCMAKE_OSX_ARCHITECTURES=\"x86_64\""
 
           - name: "debian-13-x86_64"
             runs-on: ubuntu-latest

CMakeLists.txt

@@ -84,6 +84,11 @@ project(
 
 message(STATUS "Building ${CMAKE_PROJECT_NAME}-${CMAKE_PROJECT_VERSION}")
 
+# Set required macOS SDK
+if(APPLE)
+  set(CMAKE_OSX_DEPLOYMENT_TARGET 12)
+endif()
+
 include(cmake/Definitions.cmake)
 include(cmake/Build.cmake)
 include(cmake/Libraries.cmake)

cmake/Build.cmake

@@ -17,11 +17,6 @@ macro(configure_build)
   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
   set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 
-  if(APPLE)
-    message(STATUS "Configuring for Apple")
-    set(CMAKE_OSX_DEPLOYMENT_TARGET "12.0")
-  endif()
-
   configure_file(${PROJECT_SOURCE_DIR}/src/lib/gui/gui_config.h.in
                  ${PROJECT_BINARY_DIR}/config/gui_config.h)
 endmacro()