Add support for clang-tidy to CMake recipe.

CMakeLists.txt

@@ -57,6 +57,7 @@ option(WITH_TESTS "Compile tests." NO)
 option(WITH_MOZILLA "Build and install wrapper for Mozilla browsers." YES)
 set(MOZILLA_NMH_DIR "${CMAKE_INSTALL_LIBDIR}/mozilla/native-messaging-hosts"
   CACHE STRING "Directory for the Mozilla extension wrapper.")
+option(WITH_CLANG-TIDY "Check sourcecode with clang-tidy while compiling." NO)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -64,6 +65,13 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 
 include(debug_flags)
 
+if(WITH_CLANG-TIDY)
+  set(CMAKE_CXX_CLANG_TIDY
+    "clang-tidy"
+    "-header-filter=${PROJECT_SOURCE_DIR}"
+    "-quiet")
+endif()
+
 add_subdirectory(src)
 add_subdirectory(src/lib)
 add_subdirectory(include)

README.adoc

@@ -22,6 +22,7 @@
 :uri-hunter: https://github.com/cpp-pm/hunter
 :uri-rofi: https://github.com/davatorium/rofi
 :uri-boost: https://www.boost.org/
+:uri-clang-tidy: https://clang.llvm.org/extra/clang-tidy/
 
 *remwharead* saves URIs of things you want to remember in a database along with
  an URI to the archived version, the current date and time, title, description,
@@ -135,6 +136,8 @@ cmake --build .
   extension wrapper. The complete path is
   `${CMAKE_INSTALL_PREFIX}/${MOZILLA_NMH_DIR}`.
 * `-DHUNTER_ENABLED=YES` to use the package manager link:{uri-hunter}[Hunter].
+* `-DWITH_CLANG-TIDY=YES` to check the sourcecode with
+  link:{uri-clang-tidy}[clang-tidy] while compiling.
 * One of:
 ** `-DWITH_DEB=YES` if you want to be able to generate a deb-package.
 ** `-DWITH_RPM=YES` if you want to be able to generate an rpm-package.