setup clang tidy (#19533)

* setup clang tidy

* config

* some cleanup

* little more

* remove that

* fix qcom build
old-commit-hash: 87950eb312

SConstruct

@@ -21,6 +21,10 @@ AddOption('--clazy',
           action='store_true',
           help='build with clazy')
 
+AddOption('--compile_db',
+          action='store_true',
+          help='build clang compilation database')
+
 real_arch = arch = subprocess.check_output(["uname", "-m"], encoding='utf8').rstrip()
 if platform.system() == "Darwin":
   arch = "Darwin"
@@ -186,7 +190,7 @@ env = Environment(
   tools=["default", "cython", "compilation_db"],
 )
 
-if GetOption('test'):
+if GetOption('compile_db'):
   env.CompilationDatabase('compile_commands.json')
 
 if os.environ.get('SCONS_CACHE'):