Index: Makefile.in
===================================================================
diff -u -r4f7f7c14b314e4226330f286f9820fe158ad9e97 -refb84f692ba4024803be49e1edd1ab36144089cd
--- Makefile.in	(.../Makefile.in)	(revision 4f7f7c14b314e4226330f286f9820fe158ad9e97)
+++ Makefile.in	(.../Makefile.in)	(revision efb84f692ba4024803be49e1edd1ab36144089cd)
@@ -294,7 +294,7 @@
 
 cppcheck:
 	cppcheck --enable=all generic/*.c $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
-		-I/usr/include -D__x86_64__
+		-DNDEBUG=1 -I/usr/include -D__x86_64__
 
 libraries-pkgindex: pkgIndex.tcl
 	$(TCLSH) $(src_lib_dir_native)/lib/mkIndex.tcl -dir $(src_lib_dir_native)