scripts: set clang as REAL_CC to support LLVM by default
To support LLVM by default, set REAL_CC to clang which overrides
gcc.
Also, white list warnings which are being treated as errors
while compiling Kernel with clang compiler.
Change-Id: I5df2375cb8a2f424521fdd862d550ab340a34c98
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
Signed-off-by: Naitik Bharadiya <bharad@codeaurora.org>
diff --git a/scripts/build-all.py b/scripts/build-all.py
index 4a60ebc..f5e5fa2 100755
--- a/scripts/build-all.py
+++ b/scripts/build-all.py
@@ -1,6 +1,6 @@
#! /usr/bin/env python2
-# Copyright (c) 2009-2015, The Linux Foundation. All rights reserved.
+# Copyright (c) 2009-2015, 2017, 2019, The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@@ -45,6 +45,7 @@
make_command = ["vmlinux", "modules", "dtbs"]
all_options = {}
compile64 = os.environ.get('CROSS_COMPILE64')
+clang_bin = os.environ.get('CLANG_BIN')
def error(msg):
sys.stderr.write("error: %s\n" % msg)
@@ -268,10 +269,18 @@
if not all_options.updateconfigs:
# Build targets can be dependent upon the completion of
# previous build targets, so build them one at a time.
- cmd_line = ['make',
- 'INSTALL_HDR_PATH=%s' % hdri_dir,
- 'INSTALL_MOD_PATH=%s' % modi_dir,
- 'O=%s' % dest_dir]
+ if os.environ.get('ARCH') == "arm64":
+ cmd_line = ['make',
+ 'INSTALL_HDR_PATH=%s' % hdri_dir,
+ 'INSTALL_MOD_PATH=%s' % modi_dir,
+ 'O=%s' % dest_dir,
+ 'REAL_CC=%s' % clang_bin]
+ else:
+ cmd_line = ['make',
+ 'INSTALL_HDR_PATH=%s' % hdri_dir,
+ 'INSTALL_MOD_PATH=%s' % modi_dir,
+ 'O=%s' % dest_dir]
+
build_targets = []
for c in make_command:
if re.match(r'^-{1,2}\w', c):