809216233555 ("selftests/harness: remove use of LINE_MAX") introduced asprintf into kselftest_harness.h, which is a GNU extension and needs _GNU_SOURCE to either be defined prior to including headers or with the -D_GNU_SOURCE flag passed to the compiler.
Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX") Signed-off-by: Edward Liaw edliaw@google.com --- tools/testing/selftests/rtc/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/rtc/Makefile b/tools/testing/selftests/rtc/Makefile index 55198ecc04db..4ef7ee969003 100644 --- a/tools/testing/selftests/rtc/Makefile +++ b/tools/testing/selftests/rtc/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -CFLAGS += -O3 -Wl,-no-as-needed -Wall +CFLAGS += -O3 -Wl,-no-as-needed -Wall -D_GNU_SOURCE LDLIBS += -lrt -lpthread -lm
TEST_GEN_PROGS = rtctest -- 2.45.0.rc0.197.gbae5840b3b-goog