Add licenses

CMakeLists.txt

+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-License-Identifier: BSD-3-Clause
+
 cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
 set(PIM_VERSION "5.16.40")
 project( sieveeditor VERSION ${PIM_VERSION})

src/CMakeLists.txt

+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-License-Identifier: BSD-3-Clause
 configure_file(sieveeditor-version.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/sieveeditor-version.h @ONLY)
 
 

src/importwizard/autotests/CMakeLists.txt

+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-License-Identifier: BSD-3-Clause
 add_definitions( -DIMPORTWIZARD_DATA_DIR="${CMAKE_CURRENT_SOURCE_DIR}/data" )
 
 macro(add_sieveeditor_importwizard_unittest _source _additionsource)

src/importwizard/tests/CMakeLists.txt

-
+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-License-Identifier: BSD-3-Clause
 set(sieveeditorimportwizardtest_SRCS main.cpp)
 
 add_executable(sieveeditorimportwizardtest ${sieveeditorimportwizardtest_SRCS})

src/kconf_update/CMakeLists.txt

+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-FileCopyrightText: 2013-2021 Laurent Montel <montel@kde.org>
+# SPDX-License-Identifier: BSD-3-Clause
+
 install(FILES sieveeditor.upd
     DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR}
     )