5262 libm needs to be carefully unifdef'd
5268 libm doesn't need to hide symbols which are already local

          --- old/usr/src/lib/libm/Makefile.libm.com
          +++ new/usr/src/lib/libm/Makefile.libm.com

   1    1  #
   2    2  # This file and its contents are supplied under the terms of the
   3    3  # Common Development and Distribution License ("CDDL"), version 1.0.
   4    4  # You may only use this file in accordance with the terms of version
   5    5  # 1.0 of the CDDL.
   6    6  #
   7    7  # A full copy of the text of the CDDL should have accompanied this
   8    8  # source.  A copy of the CDDL is also available via the Internet at
   9    9  # http://www.illumos.org/license/CDDL.
  10   10  #
  11   11  
  12   12  #
  13   13  # Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  14   14  #
  15   15  
  16   16  LIBMDIR         = $(SRC)/lib/libm
  17   17  
  18   18  LIBMSRC         = $(LIBMDIR)/common
  19   19  
  20   20  CPP_CMD         = $(CC) -E -Xs
  21   21  
  22   22  ASSUFFIX_sparc  = S
  23   23  ASSUFFIX_i386   = s

  24   24  ASSUFFIX        = $(ASSUFFIX_$(MACH))
  25   25  
  26   26  # C99MODE of neither enabled nor disabled is "no_lib", whereby we expect
  27   27  # C99-the-language, but don't modify the behaviour of library routines.  This
  28   28  # is VERY IMPORTANT, as -xc99=%all, for instance, would link us with
  29   29  # values-xpg6, which would introduce an __xpg6 to our object with the C99
  30   30  # flags set, causing us to default C99 libm behaviour on, breaking
  31   31  # compatibility.
  32   32  C99MODE         =
  33   33  
  34      -M4FLAGS         = -D__STDC__ -DELFOBJ -DPIC
       34 +M4FLAGS         = -D__STDC__ -DPIC
  35   35  
  36   36  LDBLDIR_sparc   = Q
  37   37  LDBLDIR_i386    = LD
  38   38  LDBLDIR         = $(LDBLDIR_$(MACH))
  39   39  
  40   40  LM_IL           = $(LIBMDIR)/$(TARGET_ARCH)/src/locallibm.il
  41   41  
  42      -CFLAGS          += $(C_PICFLAGS) -D__INLINE $(XSTRCONST) $(LM_IL)
  43      -CFLAGS64        += $(C_PICFLAGS) -D__INLINE $(XSTRCONST) $(LM_IL)
       42 +CFLAGS          += $(C_PICFLAGS) $(XSTRCONST) $(LM_IL)
       43 +CFLAGS64        += $(C_PICFLAGS) $(XSTRCONST) $(LM_IL)
  44   44  sparc_CFLAGS    += -Wa,-xarch=v8plus
  45   45  
  46      -CPPFLAGS        += -DELFOBJ \
  47      -                -DLIBM_MT_FEX_SYNC \
  48      -                -I$(LIBMSRC)/C \
       46 +CPPFLAGS        += -I$(LIBMSRC)/C \
  49   47                  -I$(LIBMSRC)/$(LDBLDIR) -I$(LIBMDIR)/$(TARGET_ARCH)/src
  50   48  
  51   49  # GCC needs __C99FEATURES__ such that the implementations of isunordered,
  52   50  # isgreaterequal, islessequal, etc, exist.  This is basically equivalent to
  53   51  # providing no -xc99 to Studio, in that it gets us the C99 language features,
  54   52  # but not values-xpg6, the reason for which is outline with C99MODE.
  55   53  CFLAGS          += -_gcc=-D__C99FEATURES__
  56   54  CFLAGS64        += -_gcc=-D__C99FEATURES__
  57   55  
  58   56  # libm depends on integer overflow characteristics

  59   57  CFLAGS          += -_gcc=-fno-strict-overflow
  60   58  CFLAGS64        += -_gcc=-fno-strict-overflow
  61   59  
  62   60  $(DYNLIB)       := LDLIBS += -lc
  63   61  
  64   62  $(LINTLIB)      := SRCS = $(LIBMSRC)/$(LINTSRC)
  65   63  
  66   64  CLEANFILES      += pics/*.s pics/*.S
  67   65  
  68   66  FPDEF_amd64     = -DARCH_amd64
  69   67  FPDEF_sparc     = -DCG89 -DARCH_v8plus -DFPADD_TRAPS_INCOMPLETE_ON_NAN
  70   68  FPDEF_sparcv9   = -DARCH_v9 -DFPADD_TRAPS_INCOMPLETE_ON_NAN
  71   69  FPDEF           = $(FPDEF_$(TARGET_ARCH))
  72   70  
  73   71  ASFLAGS         = -P -D_ASM $(FPDEF)
  74   72  
  75   73  XARCH_sparc     = v8plus
  76   74  XARCH_sparcv9   = v9
  77   75  XARCH_i386      = f80387
  78   76  XARCH_amd64     = amd64
  79   77  XARCH           = $(XARCH_$(TARGET_ARCH))
  80   78  
  81   79  ASOPT_sparc     = -xarch=$(XARCH) $(AS_PICFLAGS)
  82   80  ASOPT_sparcv9   = -xarch=$(XARCH) $(AS_PICFLAGS)
  83   81  ASOPT_i386      = 
  84   82  ASOPT_amd64     = -xarch=$(XARCH) $(AS_PICFLAGS)
  85   83  ASOPT           = $(ASOPT_$(TARGET_ARCH))
  86   84  
  87   85  ASFLAGS         += $(ASOPT)
  88   86  
  89   87  CPPFLAGS_sparc = -DFPADD_TRAPS_INCOMPLETE_ON_NAN \
  90   88          -DFDTOS_TRAPS_INCOMPLETE_IN_FNS_MODE
  91   89  
  92   90  CPPFLAGS        += $(CPPFLAGS_$(MACH))
  93   91  ASFLAGS         += $(CPPFLAGS)

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