add examples

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "examples/LKMPG"]
+	path = examples/LKMPG
+	url = gitea@gitea.stubbe.rocks:3rd-party/LKMPG.git

examples/CMakeLists.txt

@@ -0,0 +1,36 @@
+cmake_minimum_required(VERSION 2.6)
+include("../BuildKernelModule.cmake")
+
+project ("example_modules")
+
+set(CMAKE_C_FLAGS  "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror -pedantic -Weverything")
+if(NOT KERNEL_DIR)
+    Set(KERNEL_DIR "/lib/modules/${CMAKE_SYSTEM_VERSION}/build" )
+endif()
+
+# create LKMPG examples
+
+## find example folder
+file(GLOB LKMPG_Folders
+    "${PROJECT_SOURCE_DIR}/LKMPG/[0-9][0-9][0-9].*"
+    "${PROJECT_SOURCE_DIR}/LKMPG/[0-9][0-9].*"
+    "${PROJECT_SOURCE_DIR}/LKMPG/[0-9].*")
+list(GET LKMPG_Folders 0 LKMPG_Folder)
+set(LKMPG_Example_Folder "${LKMPG_Folder}/examples/")
+
+include_directories("${LKMPG_Example_Folder}")
+
+## enable debug mode
+add_definitions(-DDEBUG)
+
+## create each c file as own module
+file(GLOB LKMPG_files  "${LKMPG_Example_Folder}/*.c")
+foreach(module_file ${LKMPG_files})
+    string(REGEX MATCH "^.+\\.c$" match_file ${module_file})
+    if(NOT ${match_file})
+        file(RELATIVE_PATH rel_file "${LKMPG_Example_Folder}" ${module_file} )
+        string(REPLACE ".c" "" module_name ${rel_file})
+        add_module("${module_name}" "${module_file}" "${KERNEL_DIR}")
+    endif()
+endforeach()
+