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@xxxxxxxxxx> --- tools/testing/selftests/nci/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/nci/Makefile b/tools/testing/selftests/nci/Makefile index 47669a1d6a59..f615f5d71f7f 100644 --- a/tools/testing/selftests/nci/Makefile +++ b/tools/testing/selftests/nci/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -CFLAGS += -Wl,-no-as-needed -Wall +CFLAGS += -Wl,-no-as-needed -Wall -D_GNU_SOURCE LDFLAGS += -lpthread TEST_GEN_PROGS := nci_dev -- 2.45.0.rc0.197.gbae5840b3b-goog