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Message-ID: <20240529020842.127275-2-jhubbard@nvidia.com>
Date: Tue, 28 May 2024 19:08:41 -0700
From: John Hubbard <jhubbard@...dia.com>
To: Shuah Khan <shuah@...nel.org>
Cc: Beau Belgrave <beaub@...ux.microsoft.com>,
Steven Rostedt <rostedt@...dmis.org>,
Mark Brown <broonie@...nel.org>,
Naresh Kamboju <naresh.kamboju@...aro.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Justin Stitt <justinstitt@...gle.com>,
Bill Wendling <morbo@...gle.com>,
sunliming <sunliming@...inos.cn>,
Masami Hiramatsu <mhiramat@...nel.org>,
Valentin Obst <kernel@...entinobst.de>,
linux-kselftest@...r.kernel.org,
LKML <linux-kernel@...r.kernel.org>,
llvm@...ts.linux.dev,
John Hubbard <jhubbard@...dia.com>,
Nathan Chancellor <nathan@...nel.org>,
Ryan Roberts <ryan.roberts@....com>
Subject: [PATCH 1/2] selftests/lib.mk: handle both LLVM=1 and CC=clang builds
The kselftests may be built in a couple different ways:
make LLVM=1
make CC=clang
In order to handle both cases, set LLVM=1 if CC=clang. That way,the rest
of lib.mk, and any Makefiles that include lib.mk, can base decisions
solely on whether or not LLVM is set.
Cc: Nathan Chancellor <nathan@...nel.org>
Cc: Ryan Roberts <ryan.roberts@....com>
Signed-off-by: John Hubbard <jhubbard@...dia.com>
---
tools/testing/selftests/lib.mk | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 429535816dbd..2902787b89b2 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -1,5 +1,17 @@
# This mimics the top-level Makefile. We do it explicitly here so that this
# Makefile can operate with or without the kbuild infrastructure.
+
+# The kselftests may be built in a couple different ways:
+# make LLVM=1
+# make CC=clang
+#
+# In order to handle both cases, set LLVM=1 if CC=clang. That way,the rest of
+# lib.mk, and any Makefiles that include lib.mk, can base decisions solely on
+# whether or not LLVM is set.
+ifeq ($(CC),clang)
+ LLVM := 1
+endif
+
ifneq ($(LLVM),)
ifneq ($(filter %/,$(LLVM)),)
LLVM_PREFIX := $(LLVM)
--
2.45.1
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