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selftests/powerpc: Handle Makefile for unrecognized option

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On older distributions like Sles12SP5 gcc does not recognize
-no-pie option making the powerpc selftests build to fail

Fixes the following:
gcc: error: unrecognized command line option ‘-no-pie’

Signed-off-by: Harish <harish@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191113094219.14946-1-harish@linux.ibm.com
This commit is contained in:
Harish 2019-11-13 15:12:19 +05:30 committed by Michael Ellerman
parent 3df191118b
commit 0695f8bca9
1 changed files with 6 additions and 1 deletions
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7
tools/testing/selftests/powerpc/pmu/ebb/Makefile
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@ -1,4 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
include ../../../../../../scripts/Kbuild.include
noarg:
$(MAKE) -C ../../
@ -6,7 +8,10 @@ noarg:
CFLAGS += -m64
# Toolchains may build PIE by default which breaks the assembly
LDFLAGS += -no-pie
no-pie-option := $(call try-run, echo 'int main() { return 0; }' | \
$(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -no-pie -x c - -o "$$TMP", -no-pie)
LDFLAGS += $(no-pie-option)
TEST_GEN_PROGS := reg_access_test event_attributes_test cycles_test \
cycles_with_freeze_test pmc56_overflow_test \