Merge tag 'iio-for-4.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23...

[linux-2.6-block.git] / tools / perf / util / setup.py

diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 001be4f9d3b9fc1bf032c74f2447b88b6c6cea26..97efbcad076e02249e75b5aa60f6f6804953a9a1 100644 (file)
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -1,12 +1,20 @@
 #!/usr/bin/python
 
 from os import getenv
+from subprocess import Popen, PIPE
+from re import sub
+
+def clang_has_option(option):
+    return [o for o in Popen(['clang', option], stderr=PIPE).stderr.readlines() if "unknown argument" in o] == [ ]
 
 cc = getenv("CC")
 if cc == "clang":
     from _sysconfigdata import build_time_vars
-    from re import sub
     build_time_vars["CFLAGS"] = sub("-specs=[^ ]+", "", build_time_vars["CFLAGS"])
+    if not clang_has_option("-mcet"):
+        build_time_vars["CFLAGS"] = sub("-mcet", "", build_time_vars["CFLAGS"])
+    if not clang_has_option("-fcf-protection"):
+        build_time_vars["CFLAGS"] = sub("-fcf-protection", "", build_time_vars["CFLAGS"])
 
 from distutils.core import setup, Extension