mal wieder rein kommen

.gitignore

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+# Mac specific
+**/.DS_Store
+# IDE specific
+.vscode/
+.idea/
+# Build files
+build/*
+
+*.zip

CMakeLists.txt

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+#----------------------------------------------#
+#-----Konfiguration des Buildsystems CMake-----#
+#----------------------------------------------#
+# Minimale Version des Buildsystems
+cmake_minimum_required(VERSION 3.16)
+# Name des Projekts
+project(LrcLibSync)
+#----------------------------------------------#
+#-------------------Optionen-------------------#
+#----------------------------------------------#
+# Setzte verwendeten C++-Standard auf C++17
+set(CMAKE_CXX_STANDARD 17)
+# Optional: Baue mit Debugsymbolen / Optimierung
+set(CMAKE_BUILD_TYPE Debug)
+
+#set(CMAKE_BUILD_TYPE Release)
+add_compile_options(-fsanitize=address)
+add_link_options(-fsanitize=address)
+# Füge Includeverzeichnisse hinzu
+include_directories(include)
+# Legt die Variable SRC_FILES an, die alle
+# .cpp-Dateien des Projekts benennt,
+# die in Verzeichnis src/ liegen.
+file(GLOB SRC_FILES
+  ${PROJECT_SOURCE_DIR}/src/*.cpp)
+
+# Use CMakes FetchContent
+# Workaround for CMake >= 3.24
+# Avoid warning about DOWNLOAD_EXTRACT_TIMESTAMP
+if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
+  cmake_policy(SET CMP0135 NEW)
+endif()
+
+
+add_executable(erstertest src/main.cpp ${SRC_FILES})

help.md

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+in the main directory run 
+# cmake -S . -B build
+once. 
+After that run 
+# cmake --build build
+each time something changes. 

include/cube.hpp

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+class cube
+{
+public:
+    int linkeecke;
+    int rechteecke;
+    cube();
+};

src/cube.cpp

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+#include "../include/cube.hpp"
+
+cube::cube()
+{
+    linkeecke = 12;
+    rechteecke = 33;
+}

src/main.cpp

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+#include <iostream>
+#include "../include/cube.hpp"
+
+int main()
+{
+    std::cout << "so und nicht anders" << std::endl;
+    cube erstercube;
+    std::cout << erstercube.linkeecke << std::endl;
+    return 0;
+}