boilerplate's down

cmake/FetchSubmodules.cmake

@@ -0,0 +1,13 @@
+# Automatically initialize and update Git submodules
+if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
+    message(STATUS "Updating Git submodules...")
+    execute_process(
+        COMMAND git submodule update --init --recursive
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        RESULT_VARIABLE GIT_SUBMOD_RESULT
+    )
+    if(NOT GIT_SUBMOD_RESULT EQUAL 0)
+        message(FATAL_ERROR "Failed to update Git submodules")
+    endif()
+endif()
+