1 #
   2 # This file and its contents are supplied under the terms of the
   3 # Common Development and Distribution License ("CDDL"), version 1.0.
   4 # You may only use this file in accordance with the terms of version
   5 # 1.0 of the CDDL.
   6 #
   7 # A full copy of the text of the CDDL should have accompanied this
   8 # source.  A copy of the CDDL is also available via the Internet at
   9 # http://www.illumos.org/license/CDDL.
  10 #
  11 # Copyright 2019 Joyent, Inc.
  12 #
  13 
  14 #
  15 # smatch/sparse checks we always disable, due to too many false positives (or
  16 # simply too much legacy).
  17 #
  18 
  19 SMATCH_ARGS = --disable=uninitialized,check_check_deref,unreachable
  20 
  21 # VLAs are OK by us
  22 SMATCH_ARGS += -Wno-vla
  23 # don't care
  24 SMATCH_ARGS += -Wno-one-bit-signed-bitfield
  25 # there are lots of "extern void myfunc() { ... }" around
  26 SMATCH_ARGS += -Wno-external-function-has-definition
  27 # we have lots of legacy "void foo();" in headers
  28 SMATCH_ARGS += -Wno-old-style-definition
  29 SMATCH_ARGS += -Wno-strict-prototypes
  30 SMATCH_ARGS += --fatal-checks
  31 SMATCH_ARGS += --timeout=120
  32 
  33 CERRWARN += $(SMATCH_ARGS:%=-_smatch=%)
  34 
  35 CERRWARN += $(SMOFF:%=-_smatch=--disable=%)
  36 
  37 SMATCH_ =
  38 SMATCH_on =
  39 SMATCH_off = -_smatch=off
  40 
  41 CERRWARN += $(SMATCH_$(SMATCH))