build: Make sure asserts are enabled for tests

Tests depend on assertions being enabled since they can, and do,
contain actual test steps. They are also mandatory for ensuring
sane test case behaviour.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

lib/check-ndebug.h

@@ -0,0 +1,3 @@
+#ifdef NDEBUG
+#error "Testsuite needs its asserts!"
+#endif

tests/Android.mk

@@ -40,7 +40,7 @@ define add_test
        $(LIBPCIACCESS_PATH)/include
 
     LOCAL_CFLAGS += -DHAVE_STRUCT_SYSINFO_TOTALRAM
-    LOCAL_CFLAGS += -DANDROID
+    LOCAL_CFLAGS += -DANDROID -UNDEBUG -include "check-ndebug.h"
     LOCAL_CFLAGS += -std=c99
     # FIXME: drop once Bionic correctly annotates "noreturn" on pthread_exit
     LOCAL_CFLAGS += -Wno-error=return-type

tests/Makefile.am

@@ -23,6 +23,7 @@ CLEANFILES = $(EXTRA_PROGRAMS)
 AM_CFLAGS = $(DRM_CFLAGS) $(CWARNFLAGS) \
 	-I$(srcdir)/.. \
 	-I$(srcdir)/../lib \
+	-include "check-ndebug.h" \
 	-DIGT_DATADIR=\""$(abs_srcdir)"\" \
 	$(NULL)