GCC LTO will complain that the array length varies for the arch_tests weak symbol. Use extern/static and architecture determining #if to workaround this problem. Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx> --- tools/perf/tests/builtin-test.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 1f6557ce3b0a..5291fb5f54d7 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -33,9 +33,18 @@ static bool dont_fork; const char *dso_to_test; -struct test_suite *__weak arch_tests[] = { +/* + * List of architecture specific tests. Not a weak symbol as the array length is + * dependent on the initialization, as such GCC with LTO complains of + * conflicting definitions with a weak symbol. + */ +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__) +extern struct test_suite *arch_tests[]; +#else +static struct test_suite *arch_tests[] = { NULL, }; +#endif static struct test_suite *generic_tests[] = { &suite__vmlinux_matches_kallsyms, -- 2.41.0.487.g6d72f3e995-goog