linux-kernel - [PATCH 1/3] selftests/x86: Build with LDFLAGS and LDLIBS

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Date:   Fri, 17 Jan 2020 10:53:26 -0600
From:   Daniel Díaz <daniel.diaz@...aro.org>
To:     shuah@...nel.org
Cc:     Daniel Díaz <daniel.diaz@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        linux-kselftest@...r.kernel.org (open list:KERNEL SELFTEST FRAMEWORK),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/3] selftests/x86: Build with LDFLAGS and LDLIBS

During cross-compilation, it was discovered that LDFLAGS and
LDLIBS were not being used while building binaries, leading
to defaults which were not necessarily correct.

OpenEmbedded reported this kind of problem:
  ERROR: QA Issue: No GNU_HASH in the ELF binary [...], didn't pass LDFLAGS?

Signed-off-by: Daniel Díaz <daniel.diaz@...aro.org>
---
 tools/testing/selftests/x86/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile
index 5d49bfec1e9a..f8360454eafd 100644
--- a/tools/testing/selftests/x86/Makefile
+++ b/tools/testing/selftests/x86/Makefile
@@ -71,10 +71,10 @@ all_64: $(BINARIES_64)
 EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64)
 
 $(BINARIES_32): $(OUTPUT)/%_32: %.c
-	$(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl -lm
+	$(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -lrt -ldl -lm
 
 $(BINARIES_64): $(OUTPUT)/%_64: %.c
-	$(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
+	$(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -lrt -ldl
 
 # x86_64 users should be encouraged to install 32-bit libraries
 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
-- 
2.20.1