add checkpatch tool

test/tools/meson.build

@@ -4,3 +4,17 @@ test_runner_generator = generator(
   output: ['@BASENAME@_Runner.c'],
   arguments: ['@INPUT@', '@OUTPUT@']
 )
+
+# add checkpatch syntax-check target
+checkpatch = find_program('checkpatch.pl', 'checkpatch', required : false)
+if checkpatch.found()
+  checkpatch_args = [
+    '--no-tree', '-f',
+    '--show-types',
+    '--color=always',
+    '--ignore', 'SPDX_LICENSE_TAG,PREFER_DEFINED_ATTRIBUTE_MACRO,EMBEDDED_FILENAME,BLOCK_COMMENT_STYLE,EMBEDDED_FUNCTION_NAME',
+  ]
+  run_target('syntax-check',
+  command : [checkpatch, checkpatch_args, main, cmplib_sources])
+endif
+