3735 should include an empty make variable in the default CFLAGS/CCFLAGS
3844 the build should make source-level debugging easier
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>

@@ -234,10 +234,12 @@
 CFLAGS_uts              += $(CTF_FLAGS_$(CLASS))
 CFLAGS_uts              += $(CERRWARN)
 CFLAGS_uts              += $(CCNOAUTOINLINE)
 CFLAGS_uts              += $(CGLOBALSTATIC)
 CFLAGS_uts              += $(EXTRA_CFLAGS)
+CFLAGS_uts              += $(CSOURCEDEBUGFLAGS)
+CFLAGS_uts              += $(CUSERFLAGS)
 
 #
 #       Declare that $(OBJECTS) and $(LINTS) can be compiled in parallel.
 #       The DUMMY target is for those instances where OBJECTS and LINTS
 #       are empty (to avoid an unconditional .PARALLEL).