9852 enable ld(1) guidance and deflib assertions for the illumos build

*** 1409,1422 ****
  # assym.h build rules
  
  assym.h := CFLAGS += -g
  
  GENASSYM_C = $(LIBCDIR)/$(MACH)/genassym.c
  
  genassym: $(GENASSYM_C)
          $(NATIVECC) $(NATIVE_CFLAGS) -I$(LIBCBASE)/inc -I$(LIBCDIR)/inc \
!                 $(CPPFLAGS.native) -o $@ $(GENASSYM_C)
  
  OFFSETS = $(LIBCDIR)/$(MACH)/offsets.in
  
  assym.h: $(OFFSETS) genassym
          $(OFFSETS_CREATE) <$(OFFSETS) >$@
--- 1409,1423 ----
  # assym.h build rules
  
  assym.h := CFLAGS += -g
  
  GENASSYM_C = $(LIBCDIR)/$(MACH)/genassym.c
+ LDFLAGS.native = $(LDCHECKS) -zassert-deflib=libc.so -Bdirect
  
  genassym: $(GENASSYM_C)
          $(NATIVECC) $(NATIVE_CFLAGS) -I$(LIBCBASE)/inc -I$(LIBCDIR)/inc \
!                 $(CPPFLAGS.native) $(LDFLAGS.native) -o $@ $(GENASSYM_C)
  
  OFFSETS = $(LIBCDIR)/$(MACH)/offsets.in
  
  assym.h: $(OFFSETS) genassym
          $(OFFSETS_CREATE) <$(OFFSETS) >$@