diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..cfb9fa6
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "lib/acl"]
+	path = lib/acl
+	url = https://git.redstoneunion.de/MrGeorgen/advanced_C_standard_library.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..55d83e1
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,6 @@
+project(bwinf C)
+cmake_minimum_required(VERSION 3.17)
+set( CMAKE_EXPORT_COMPILE_COMMANDS ON )
+set_property(GLOBAL PROPERTY C_STANDARD 99)
+add_subdirectory("lib/acl")
+add_subdirectory("j1-Passwoerter")
diff --git a/j1-Passwoerter/CMakeLists.txt b/j1-Passwoerter/CMakeLists.txt
new file mode 100644
index 0000000..3b5c5a5
--- /dev/null
+++ b/j1-Passwoerter/CMakeLists.txt
@@ -0,0 +1,2 @@
+file(GLOB J1SOURCES "src/*.c")
+add_executable(j1 ${J1SOURCES} ${ACLSOURCES})
diff --git a/j1-Passwoerter/src/main.c b/j1-Passwoerter/src/main.c
new file mode 100644
index 0000000..e0091b6
--- /dev/null
+++ b/j1-Passwoerter/src/main.c
@@ -0,0 +1,4 @@
+#include <stdio.h>
+int main() {
+	printf("hey");
+}
diff --git a/lib/acl b/lib/acl
new file mode 160000
index 0000000..285f43f
--- /dev/null
+++ b/lib/acl
@@ -0,0 +1 @@
+Subproject commit 285f43f65a8037471948e83c719edc67046c3244