linux-kernel - [PATCH 3/3] selftests/intel_pstate: fix undefined reference when building

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Message-ID: <1498214246-1244-4-git-send-email-marcin.nowakowski@imgtec.com>
Date:   Fri, 23 Jun 2017 12:37:26 +0200
From:   Marcin Nowakowski <marcin.nowakowski@...tec.com>
To:     Shuah Khan <shuah@...nel.org>
CC:     <linux-kselftest@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Marcin Nowakowski <marcin.nowakowski@...tec.com>
Subject: [PATCH 3/3] selftests/intel_pstate: fix undefined reference when building

Currently the build fails with:

/tmp/ccmgtz8N.o: In function `main':
aperf.c:(.text+0x278): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status

Replace LDFLAGS with LDLIBS to ensure proper ordering of arguments in
build rules.

Signed-off-by: Marcin Nowakowski <marcin.nowakowski@...tec.com>
---
 tools/testing/selftests/intel_pstate/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/intel_pstate/Makefile b/tools/testing/selftests/intel_pstate/Makefile
index 19678e9..80fd0ba 100644
--- a/tools/testing/selftests/intel_pstate/Makefile
+++ b/tools/testing/selftests/intel_pstate/Makefile
@@ -1,5 +1,5 @@
 CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE
-LDFLAGS := $(LDFLAGS) -lm
+LDLIBS := $(LDFLAGS) -lm
 
 TEST_GEN_FILES := msr aperf
 
-- 
2.7.4