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/hid/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/hid/Makefile b/tools/testing/selftests/hid/Makefile index 2b5ea18bde38..33170d23315b 100644 --- a/tools/testing/selftests/hid/Makefile +++ b/tools/testing/selftests/hid/Makefile @@ -21,7 +21,7 @@ CXX ?= $(CROSS_COMPILE)g++ HOSTPKG_CONFIG := pkg-config -CFLAGS += -g -O0 -rdynamic -Wall -Werror -I$(OUTPUT) +CFLAGS += -g -O0 -rdynamic -Wall -Werror -D_GNU_SOURCE -I$(OUTPUT) CFLAGS += -I$(OUTPUT)/tools/include LDLIBS += -lelf -lz -lrt -lpthread -- 2.45.0.rc0.197.gbae5840b3b-goog