turn debugging on by default for now

build/autoconf/lustre-build-darwin.m4

@@ -62,6 +62,10 @@ EXTRA_KCFLAGS="$EXTRA_KCFLAGS -msoft-float -static"
 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -DKERNEL -DKERNEL_PRIVATE"
 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -DDRIVER_PRIVATE -DAPPLE -DNeXT"
 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -D__KERNEL__ -D__DARWIN__"
+#
+# Debugging flags. Remove!
+#
+EXTRA_KCFLAGS="$EXTRA_KCFLAGS -O0 -DMACH_ASSERT=1"
 EXTRA_KLDFLAGS="$EXTRA_KLDFLAGS -static -nostdlib -r"
 EXTRA_KLIBS="-lkmodc++ -lkmod -lcc_kext"
 KMODEXT=""