--- a/gprofng/libcollector/Makefile.in
+++ b/gprofng/libcollector/Makefile.in
@@ -441,7 +441,7 @@ CSOURCES = \
 	collector.c \
 	$(NULL)
 
-AM_CFLAGS = $(GPROFNG_CFLAGS) $(GPROFNG_NO_NONNULL_COMPARE_CFLAGS)
+AM_CFLAGS = $(GPROFNG_CFLAGS) $(GPROFNG_NO_NONNULL_COMPARE_CFLAGS) -Wno-incompatible-pointer-types
 AM_CPPFLAGS = $(GPROFNG_CPPFLAGS) -I.. -I$(srcdir) \
 	-I$(srcdir)/../common -I$(srcdir)/../src \
 	-I$(srcdir)/../../include