diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c795b05
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..a64458a
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.10)
+project(MyNewLibrary VERSION 1.0
+                  DESCRIPTION "CHOOSE YOUR DESCRIPTION")
+#add_subdirectory(project2)
+add_library(${PROJECT_NAME} src/add.c)
+target_include_directories(${PROJECT_NAME} PUBLIC include)
+#target_link_libraries(${PROJECT_NAME} PUBLIC yourlibrary)
\ No newline at end of file
diff --git a/include/add.h b/include/add.h
new file mode 100644
index 0000000..5850f8d
--- /dev/null
+++ b/include/add.h
@@ -0,0 +1,3 @@
+#pragma once
+
+int add(int a,int b);
\ No newline at end of file
diff --git a/src/add.c b/src/add.c
new file mode 100644
index 0000000..ef85a07
--- /dev/null
+++ b/src/add.c
@@ -0,0 +1,5 @@
+#include <add.h>
+int add(int a,int b)
+{
+    return a + b;
+}
\ No newline at end of file