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>

@@ -139,10 +139,12 @@
 CFLAGS          += $(CCNOAUTOINLINE)
 CFLAGS          += $(IROPTFLAG)
 CFLAGS          += $(CGLOBALSTATIC)
 CFLAGS          += -xregs=no%float
 CFLAGS          += -xstrconst
+CFLAGS          += $(CSOURCEDEBUGFLAGS)
+CFLAGS          += $(CUSERFLAGS)
 
 ASFLAGS         += $(XARCH)
 
 LINT_DEFS_32    =
 LINT_DEFS_64    = -m64