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authorHarish <harish@linux.ibm.com>2019-11-13 15:12:19 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2019-11-14 19:50:31 +1100
commit0695f8bca93ea0c57f0e8e21b4b4db70183b3d1c (patch)
tree2f7500e2c9bf03f0fa0f29a1867ac60acdb6e7a3 /tools/testing/selftests/powerpc
parentMerge branch 'topic/kaslr-book3e32' into next (diff)
downloadlinux-dev-0695f8bca93ea0c57f0e8e21b4b4db70183b3d1c.tar.xz
linux-dev-0695f8bca93ea0c57f0e8e21b4b4db70183b3d1c.zip
selftests/powerpc: Handle Makefile for unrecognized option
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
Diffstat (limited to 'tools/testing/selftests/powerpc')
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/Makefile7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/Makefile b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
index 23f4caf48ffc..417306353e07 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
@@ -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 \