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>

*** 139,148 ****
--- 139,150 ----
  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