Glibc-2.30 gained gettid() wrapper, selftests fail to compile: lib/assert.c:58:14: error: static declaration of ‘gettid’ follows non-static declaration 58 | static pid_t gettid(void) | ^~~~~~ In file included from /usr/include/unistd.h:1170, from include/test_util.h:18, from lib/assert.c:10: /usr/include/bits/unistd_ext.h:34:16: note: previous declaration of ‘gettid’ was here 34 | extern __pid_t gettid (void) __THROW; | ^~~~~~ Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> --- tools/testing/selftests/kvm/lib/assert.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/lib/assert.c b/tools/testing/selftests/kvm/lib/assert.c index 4911fc77d0f6..d1cf9f6e0e6b 100644 --- a/tools/testing/selftests/kvm/lib/assert.c +++ b/tools/testing/selftests/kvm/lib/assert.c @@ -55,7 +55,7 @@ static void test_dump_stack(void) #pragma GCC diagnostic pop } -static pid_t gettid(void) +static pid_t _gettid(void) { return syscall(SYS_gettid); } @@ -72,7 +72,7 @@ test_assert(bool exp, const char *exp_str, fprintf(stderr, "==== Test Assertion Failure ====\n" " %s:%u: %s\n" " pid=%d tid=%d - %s\n", - file, line, exp_str, getpid(), gettid(), + file, line, exp_str, getpid(), _gettid(), strerror(errno)); test_dump_stack(); if (fmt) { -- 2.20.1