cmake working

CMakeLists.txt

+cmake_minimum_required(VERSION 3.22 FATAL_ERROR)
+
+project(tile-processor-gpu LANGUAGES CUDA CXX)
+
+# get submodules
+find_package(Git QUIET)
+if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
+    option(GIT_SUBMODULE "Check submodules during build" ON)
+    if(GIT_SUBMODULE)
+        message(STATUS "Submodule update")
+        execute_process(
+            COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
+            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+            RESULT_VARIABLE GIT_SUBMOD_RESULT)
+        if(NOT GIT_SUBMOD_RESULT EQUAL "0")
+            message(FATAL_ERROR "git submodule update --init --recursive failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
+        endif()
+    endif()
+endif()
+
+
+if(NOT EXISTS "${PROJECT_SOURCE_DIR}/external/cuda-samples/README.md")
+    message(FATAL_ERROR "The submodule cuda-samples was not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
+endif()
+
+# create the executable
+add_executable(${PROJECT_NAME}
+    src/test_tp.cu
+    src/dtt8x8.cu
+    src/dtt8x8.h
+    src/geometry_correction.cu
+    src/geometry_correction.h
+    src/test_tp.cu
+    src/TileProcessor.cuh
+    src/TileProcessor.h
+    src/tp_defines.h)
+include_directories(external/cuda-samples/Common)
+set_target_properties(${PROJECT_NAME}
+    PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
+
+