1 files changed, 3 insertions, 2 deletions

diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 6b0ed322907e..58ea5ca6c255 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -18,8 +18,9 @@ class install_lib(_install_lib):
         self.build_dir = build_lib
 
 
-cflags = ['-fno-strict-aliasing', '-Wno-write-strings']
-cflags += getenv('CFLAGS', '').split()
+cflags = getenv('CFLAGS', '').split()
+# switch off several checks (need to be at the end of cflags list)
+cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter' ]
 
 build_lib = getenv('PYTHON_EXTBUILD_LIB')
 build_tmp = getenv('PYTHON_EXTBUILD_TMP')