8465 aggressive-loop-optimizations error in rt2860.c

          --- old/usr/src/uts/intel/rwn/Makefile
          +++ new/usr/src/uts/intel/rwn/Makefile

   1    1  #
   2    2  # CDDL HEADER START
   3    3  #
   4    4  # The contents of this file are subject to the terms of the
   5    5  # Common Development and Distribution License (the "License").
   6    6  # You may not use this file except in compliance with the License.
   7    7  #
   8    8  # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9  # or http://www.opensolaris.org/os/licensing.
  10   10  # See the License for the specific language governing permissions
  11   11  # and limitations under the License.

  12   12  #
  13   13  # When distributing Covered Code, include this CDDL HEADER in each
  14   14  # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15  # If applicable, add the following below this CDDL HEADER, with the
  16   16  # fields enclosed by brackets "[]" replaced with your own identifying
  17   17  # information: Portions Copyright [yyyy] [name of copyright owner]
  18   18  #
  19   19  # CDDL HEADER END
  20   20  #
  21   21  #
       22 +# Copyright 2017 Gary Mills
  22   23  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  23   24  # Use is subject to license terms.
  24   25  #
  25   26  
  26   27  #
  27   28  # This makefile drives the production of the wpi driver kernel module.
  28   29  #
  29   30  # i86pc architecture dependent
  30   31  #
  31   32  

  32   33  #
  33   34  #       Path to the base of the uts directory tree (usually /usr/src/uts).
  34   35  #
  35   36  UTSBASE = ../..
  36   37  
  37   38  #
  38   39  #       Define the module and object file sets.
  39   40  #
  40   41  MODULE          = rwn
  41   42  OBJECTS         = $(RWN_OBJS:%=$(OBJS_DIR)/%)
  42   43  LINTS           = $(RWN_OBJS:%.o=$(LINTS_DIR)/%.ln)
  43   44  ROOTMODULE      = $(ROOT_DRV_DIR)/$(MODULE)
  44   45  
  45   46  #
  46   47  #       Include common rules.
  47   48  #
  48   49  include $(UTSBASE)/intel/Makefile.intel
  49   50  
  50   51  #
  51   52  #       Define targets
  52   53  #
  53   54  ALL_TARGET      = $(BINARY)
  54   55  LINT_TARGET     = $(MODULE).lint
  55   56  INSTALL_TARGET  = $(BINARY) $(ROOTMODULE)
  56   57  
  57   58  #
  58   59  #       Driver depends on GLDv3 & wifi kernel support module.
  59   60  #
  60   61  LDFLAGS         += -dy -Nmisc/mac -Nmisc/net80211

  61   62  
  62   63  #
  63   64  #       Overrides
  64   65  #
  65   66  LINTTAGS        += -erroff=E_BAD_PTR_CAST_ALIGN
  66   67  
  67   68  CERRWARN        += -_gcc=-Wno-unused-label
  68   69  CERRWARN        += -_gcc=-Wno-parentheses
  69   70  CERRWARN        += -_gcc=-Wno-unused-value
  70   71  
       72 +# Prevent the error with gcc-4.9.4: iteration 35u invokes undefined behavior
       73 +GCC_VERS:sh = ${GCC_ROOT}/bin/gcc --version | \
       74 +    head -1 | \
       75 +    sed -e 's/([^(]*)//g' -e 's/^.* //'
       76 +ADD.$(GCC_VERS) = -_gcc=-fno-aggressive-loop-optimizations
       77 +ADD.4.4.4 =
       78 +ADD.3.4.3 =
       79 +$(OBJS_DIR)/rt2860.o := CFLAGS += $(ADD.$(GCC_VERS))
       80 +
  71   81  #
  72   82  #       Default build targets.
  73   83  #
  74   84  .KEEP_STATE:
  75   85  
  76   86  def:            $(DEF_DEPS)
  77   87  
  78   88  all:            $(ALL_DEPS)
  79   89  
  80   90  clean:          $(CLEAN_DEPS)

  81   91  
  82   92  clobber:        $(CLOBBER_DEPS)
  83   93  
  84   94  lint:           $(LINT_DEPS)
  85   95  
  86   96  modlintlib:     $(MODLINTLIB_DEPS)
  87   97  
  88   98  clean.lint:     $(CLEAN_LINT_DEPS)
  89   99  
  90  100  install:        $(INSTALL_DEPS)
  91  101  
  92  102  #
  93  103  #       Include common targets.
  94  104  #
  95  105  include $(UTSBASE)/intel/Makefile.targ
  96  106  
  97  107  #
  98  108  #       If you have any special case that general
  99  109  #       Makefile rules don't serve for you, just do
 100  110  #       it yourself.
 101  111  #

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