12334 fix gcc4 build
12322 kdb: removal of unused dependency recommended
Reviewed by: Andy Stormont <astormont@racktopsystems.com>
Reviewed by: Gordon Ross <gordon.w.ross@gmail.com>

*** 8,21 ****
--- 8,23 ----
  # source.  A copy of the CDDL is also available via the Internet at
  # http://www.illumos.org/license/CDDL.
  #
  
  # Copyright 2015, Richard Lowe.
+ # Copyright 2020 Joyent, Inc.
  
  MAKE_INCLUDE= $(SRC)/cmd/make/include
  
  CC = $(NATIVECC)
  CCC = $(NATIVECCC)
  CFLAGS = $(NATIVE_CFLAGS)
  CFLAGS += $(CCVERBOSE)
  CCFLAGS = $(NATIVE_CCFLAGS) -_gcc4=-std=gnu++0x
  CPPFLAGS = -I$(MAKE_INCLUDE) $(MAKE_DEFS)
+ CCNEEDED = $(NATIVECCNEEDED)