Add the compiler flags, -Wall and -Werror, to catch all the build
warnings and flag them as a build error, respectively. This is to
ensure that no obvious programmer errors are introduced. We can
add -Wno-* flags in the future to ignore specific warnings as necesasry.

Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
---
 tools/testing/selftests/vfio/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/vfio/Makefile b/tools/testing/selftests/vfio/Makefile
index 3c796ca99a50..e8f9023cf247 100644
--- a/tools/testing/selftests/vfio/Makefile
+++ b/tools/testing/selftests/vfio/Makefile
@@ -15,6 +15,7 @@ include lib/libvfio.mk
 
 CFLAGS += -I$(top_srcdir)/tools/include
 CFLAGS += -MD
+CFLAGS += -Wall -Werror
 CFLAGS += $(EXTRA_CFLAGS)
 
 LDFLAGS += -pthread
-- 
2.53.0.rc2.204.g2597b5adb4-goog