should work if we compile it together on the AMD machin in the cloud

CMakeLists.txt

@@ -0,0 +1,98 @@
+cmake_minimum_required(VERSION 3.20)
+
+# -----------------------------
+# Force Clang before project()
+# -----------------------------
+if(NOT DEFINED CMAKE_C_COMPILER)
+    set(CMAKE_C_COMPILER clang CACHE STRING "" FORCE)
+endif()
+
+if(NOT DEFINED CMAKE_CXX_COMPILER)
+    set(CMAKE_CXX_COMPILER clang++ CACHE STRING "" FORCE)
+endif()
+
+# -----------------------------
+# Project setup
+# -----------------------------
+project(learning-hip LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+set(CMAKE_BUILD_TYPE Release)
+
+# -----------------------------
+# System dependency: libsodium
+# -----------------------------
+find_package(PkgConfig REQUIRED)
+
+
+# -----------------------------
+# Dependencies (vendored)
+# -----------------------------
+add_subdirectory(external/spdlog)
+
+
+# -----------------------------
+# Executable
+# -----------------------------
+add_executable(${PROJECT_NAME} src/main.cpp)
+
+# -----------------------------
+# Auto-discover include dirs under src/
+# -----------------------------
+file(GLOB_RECURSE SRC_SUBDIRS LIST_DIRECTORIES true
+    "${CMAKE_CURRENT_SOURCE_DIR}/src/*"
+)
+
+set(SRC_INCLUDES "")
+foreach(dir ${SRC_SUBDIRS})
+    if(IS_DIRECTORY ${dir})
+        list(APPEND SRC_INCLUDES ${dir})
+    endif()
+endforeach()
+
+# -----------------------------
+# Auto-discover all .cpp except main.cpp
+# -----------------------------
+file(GLOB_RECURSE ALL_CPP
+    "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp"
+)
+
+list(REMOVE_ITEM ALL_CPP
+    "${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp"
+)
+
+# -----------------------------
+# Apply sources and includes
+# -----------------------------
+target_compile_definitions(learning-hip PRIVATE __HIP_PLATFORM_AMD__=1)
+target_sources(${PROJECT_NAME} PRIVATE ${ALL_CPP})
+target_include_directories(${PROJECT_NAME} PRIVATE
+    ${SRC_INCLUDES}
+    ${CMAKE_CURRENT_SOURCE_DIR}/external/hip  # vendored HIP headers
+)
+
+# -----------------------------
+# Link libraries
+# -----------------------------
+target_link_libraries(${PROJECT_NAME} PRIVATE
+    spdlog::spdlog
+    amdhip64                                   # HIP runtime only
+)
+
+# -----------------------------
+# Compiler warnings (Clang / GCC)
+# -----------------------------
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
+    target_compile_options(${PROJECT_NAME} PRIVATE
+        -Wall
+        -Wextra
+        -Wpedantic
+        -Wconversion
+        -Wshadow
+        -Wnull-dereference
+        -Wdouble-promotion
+    )
+endif()
+