Warning, /plasma/plymouth-kcm/CMakeLists.txt is written in an unsupported language. File is not indexed.

 project(plymouthkcm)
 
 cmake_minimum_required(VERSION 3.16)
 set(KF5_MIN_VERSION "5.102.0")
 set(KDE_COMPILERSETTINGS_LEVEL "5.82")
 set(QT_MIN_VERSION "5.15.2")
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
    message(FATAL_ERROR "plymouthkcm requires an out of source build. Please create a separate build directory and run 'cmake path_to_plymouth_kcm [options]' there.")
 endif()
 
 set(PROJECT_VERSION "5.27.10")
 set(PROJECT_VERSION_MAJOR 5)
 
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 
 # where to look first for cmake modules, before ${CMAKE_ROOT}/Modules/ is checked
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${ECM_MODULE_PATH})
 
 include(FeatureSummary)
 include(ECMSetupVersion)
 include(ECMGenerateHeaders)
 include(KDEInstallDirs)
 include(KDECMakeSettings)
 include(KDECompilerSettings NO_POLICY_SCOPE)
 include(KDEClangFormat)
 include(KDEGitCommitHooks)
 include(ECMDeprecationSettings)
 
 find_package(Qt${QT_MAJOR_VERSION} ${QT_MIN_VERSION} REQUIRED NO_MODULE COMPONENTS Core Quick Test Gui)
 
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
                     Archive NewStuff NewStuffCore KIO Declarative I18n Config KCMUtils)
 
 find_package(Plymouth REQUIRED)
 
 add_definitions(-DQT_NO_CAST_FROM_ASCII -DQT_NO_CAST_TO_ASCII -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_URL_CAST_FROM_STRING)
 
 ecm_set_disabled_deprecation_versions(QT 5.15.2
     KF 5.101
 )
 
 add_subdirectory(src)
 
 # add clang-format target for all our real source files
 file(GLOB_RECURSE ALL_CLANG_FORMAT_SOURCE_FILES *.cpp *.h)
 kde_clang_format(${ALL_CLANG_FORMAT_SOURCE_FILES})
 kde_configure_git_pre_commit_hook(CHECKS CLANG_FORMAT)
 
 ki18n_install(po)
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)