add NO_STATIC_ANALYSIS cache variable

Author: pavel-kirienko

CMakeLists.txt

@@ -15,6 +15,7 @@ project(libcyphal
 
 # Use -DNO_STATIC_ANALYSIS=1 to suppress static analysis.
 # If not suppressed, the tools used here shall be available, otherwise the build will fail.
+option(NO_STATIC_ANALYSIS "Disable static analysis (e.g. clang-tidy). If OFF, the tools must be available." OFF)
 if (NOT NO_STATIC_ANALYSIS)
     # clang-tidy (separate config files per directory)
     find_program(clang_tidy NAMES clang-tidy)