diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a496935
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,40 @@
+# OS junk
+.DS_Store
+Thumbs.db
+
+# Editor settings
+.vscode/**
+.idea/**
+*.swp
+*.swo
+
+# Build system metadata (keep actual build dirs tracked)
+CMakeFiles/**
+CMakeCache.txt
+cmake_install.cmake
+Makefile
+compile_commands.json
+
+# Logs and temp files
+*.log
+*.tmp
+*.bak
+*.old
+
+build/**
+*.toml
+.cache/**
+
+
+**/*.aux
+**/*.fdb_latexmk
+**/*.fls
+**/*.log
+**/*.synctex.gz
+**/*.blg
+**/*.bcf
+**/*.run.xml
+**/*.bbl
+
+build-linux/**
+build-windows/**
diff --git a/.gitmodules b/.gitmodules
index 6c66587..f7807f5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,7 @@
 [submodule "external/spdlog"]
 	path = external/spdlog
 	url = https://github.com/gabime/spdlog.git
+
+[submodule "external/LibraryLinkUtilities"]
+	path = external/LibraryLinkUtilities
+	url = https://github.com/WolframResearch/LibraryLinkUtilities
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 20cbe4b..6e6a35b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@ endif()
 # External dependency: spdlog
 # --------------------------------------------------
 add_subdirectory(external/spdlog)
-
+add_subdirectory(external/LibraryLinkUtilities)
 # --------------------------------------------------
 # Executable
 # --------------------------------------------------
@@ -58,6 +58,7 @@ target_sources(${PROJECT_NAME} PRIVATE ${ALL_CPP})
 # --------------------------------------------------
 target_link_libraries(${PROJECT_NAME} PRIVATE
     spdlog::spdlog
+    LLU
 )
 
 # --------------------------------------------------
diff --git a/external/LibraryLinkUtilities b/external/LibraryLinkUtilities
new file mode 160000
index 0000000..4798bfa
--- /dev/null
+++ b/external/LibraryLinkUtilities
@@ -0,0 +1 @@
+Subproject commit 4798bfa6cff002c2d857c5896c54aa57ecf4737f
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..93d55bf
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,4 @@
+int main (int argc, char *argv[]) {
+  
+  return 0;
+}