move function to cmake folder

cmake/SetupSphinx.cmake

@@ -1,5 +1,8 @@
 # SetupSphinx.cmake - Find Sphinx for CI environments
 
+set(SPHINX_SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/source)
+set(SPHINX_BUILD ${CMAKE_BINARY_DIR})
+
 # Function to find Sphinx in the system
 function(setup_sphinx_environment)
     # Find sphinx-build executable in system
@@ -15,3 +18,11 @@ function(setup_sphinx_environment)
     # Export to parent scope
     set(SPHINX_EXECUTABLE "${SPHINX_EXECUTABLE}" PARENT_SCOPE)
 endfunction()
+
+# Function to add a Sphinx builder target
+function(add_sphinx_builder builder_name)
+    add_custom_target(${builder_name}
+        COMMAND ${SPHINX_EXECUTABLE} -b ${builder_name} ${SPHINX_SOURCE} ${SPHINX_BUILD}/${builder_name}
+        VERBATIM
+    )
+endfunction()

docs/CMakeLists.txt

@@ -2,17 +2,6 @@
 include(SetupSphinx)
 setup_sphinx_environment()
 
-set(SPHINX_SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/source)
-set(SPHINX_BUILD ${CMAKE_BINARY_DIR})
-
-# Function to add a Sphinx builder target
-function(add_sphinx_builder builder_name)
-    add_custom_target(${builder_name}
-        COMMAND ${SPHINX_EXECUTABLE} -b ${builder_name} ${SPHINX_SOURCE} ${SPHINX_BUILD}/${builder_name}
-        VERBATIM
-    )
-endfunction()
-
 # Add builder targets
 add_sphinx_builder(html)
 add_sphinx_builder(markdown)