I applied SPDX headers and updated the root CMakeLists.txt. I also recreated subdirectory CMakeLists files due to file system issues.

Author: google-labs-jules[bot]

CMakeLists.txt

@@ -1,17 +1,17 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
 cmake_minimum_required(VERSION 3.10)
 
 # Project Name
 project(mossco VERSION 1.2.0
     DESCRIPTION "Modular System for Shelves and Coasts"
-    LANGUAGES Fortran C CXX)
+    LANGUAGES Fortran C)
 
 # Homepage URL
 set(PROJECT_HOMEPAGE_URL "http://www.mossco.de")
 
-# Standard C++
-set(CMAKE_CXX_STANDARD 11)
-set(CMAKE_CXX_STANDARD_REQUIRED True)
-
 # Add subdirectories
 add_subdirectory(src)
 add_subdirectory(examples)

examples/CMakeLists.txt

@@ -1,5 +1,9 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
+# Placeholder for examples CMake definitions
 # This directory will contain example applications using the project's libraries.
-# Add executables for each example.
 # Example:
 # add_executable(Example1 Example1.cpp)
 # target_link_libraries(Example1 MyProject::MyLibrary)

external/CMakeLists.txt

@@ -1,3 +1,8 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
+# Placeholder for external CMake definitions
 # This directory will contain external dependencies.
 # Use FetchContent or find_package to include them.
 # Example:

src/CMakeLists.txt

@@ -1,3 +1,8 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
+# Placeholder for src CMake definitions
 # Add subdirectories for components, connectors, drivers, mediators, test, and utilities
 add_subdirectory(components)
 add_subdirectory(connectors)

src/components/CMakeLists.txt

@@ -1,5 +1,9 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
+# Placeholder for src/components CMake definitions
 # This directory will contain the source code for different components of the project.
-# Add libraries or executables for each component.
 # Example:
 # add_library(MyComponent MyComponent.cpp)
 # target_include_directories(MyComponent PUBLIC ../include)

src/connectors/CMakeLists.txt

@@ -1,5 +1,9 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
+# Placeholder for src/connectors CMake definitions
 # This directory will contain the source code for different connectors.
-# Add libraries or executables for each connector.
 # Example:
 # add_library(MyConnector MyConnector.cpp)
 # target_include_directories(MyConnector PUBLIC ../include)

src/drivers/CMakeLists.txt

@@ -1,5 +1,9 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
+# Placeholder for src/drivers CMake definitions
 # This directory will contain the source code for different drivers.
-# Add libraries or executables for each driver.
 # Example:
 # add_library(MyDriver MyDriver.cpp)
 # target_include_directories(MyDriver PUBLIC ../include)

src/include/CMakeLists.txt

@@ -1,3 +1,8 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
+# Placeholder for src/include CMake definitions
 # This directory will contain the public header files for the project.
 # Use target_include_directories in other CMakeLists.txt files to make these headers available.
 # Example:

src/mediators/CMakeLists.txt

@@ -1,5 +1,9 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
+# Placeholder for src/mediators CMake definitions
 # This directory will contain the source code for different mediators.
-# Add libraries or executables for each mediator.
 # Example:
 # add_library(MyMediator MyMediator.cpp)
 # target_include_directories(MyMediator PUBLIC ../include)

src/test/CMakeLists.txt

@@ -1,5 +1,9 @@
+# SPDX-FileCopyrightText 2022 Helmholtz-Zentrum Hereon
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor Carsten Lemmen <carsten.lemmen@hereon.de>
+
+# Placeholder for src/test CMake definitions
 # This directory will contain test code for the project.
-# Add tests using add_test and link against a testing framework like GoogleTest.
 # Example:
 # add_executable(MyTest MyTest.cpp)
 # target_link_libraries(MyTest MyProject::MyLibrary GTest::GTestMain)