14 #
  15 
  16 LIBMDIR         = $(SRC)/lib/libm
  17 
  18 LIBMSRC         = $(LIBMDIR)/common
  19 
  20 CPP_CMD         = $(CC) -E -Xs
  21 
  22 ASSUFFIX_sparc  = S
  23 ASSUFFIX_i386   = s
  24 ASSUFFIX        = $(ASSUFFIX_$(MACH))
  25 
  26 # C99MODE of neither enabled nor disabled is "no_lib", whereby we expect
  27 # C99-the-language, but don't modify the behaviour of library routines.  This
  28 # is VERY IMPORTANT, as -xc99=%all, for instance, would link us with
  29 # values-xpg6, which would introduce an __xpg6 to our object with the C99
  30 # flags set, causing us to default C99 libm behaviour on, breaking
  31 # compatibility.
  32 C99MODE         =
  33 
  34 M4FLAGS         = -D__STDC__ -DELFOBJ -DPIC
  35 
  36 LDBLDIR_sparc   = Q
  37 LDBLDIR_i386    = LD
  38 LDBLDIR         = $(LDBLDIR_$(MACH))
  39 
  40 LM_IL           = $(LIBMDIR)/$(TARGET_ARCH)/src/locallibm.il
  41 
  42 CFLAGS          += $(C_PICFLAGS) -D__INLINE $(XSTRCONST) $(LM_IL)
  43 CFLAGS64        += $(C_PICFLAGS) -D__INLINE $(XSTRCONST) $(LM_IL)
  44 sparc_CFLAGS    += -Wa,-xarch=v8plus
  45 
  46 CPPFLAGS        += -DELFOBJ \
  47                 -DLIBM_MT_FEX_SYNC \
  48                 -I$(LIBMSRC)/C \
  49                 -I$(LIBMSRC)/$(LDBLDIR) -I$(LIBMDIR)/$(TARGET_ARCH)/src
  50 
  51 # GCC needs __C99FEATURES__ such that the implementations of isunordered,
  52 # isgreaterequal, islessequal, etc, exist.  This is basically equivalent to
  53 # providing no -xc99 to Studio, in that it gets us the C99 language features,
  54 # but not values-xpg6, the reason for which is outline with C99MODE.
  55 CFLAGS          += -_gcc=-D__C99FEATURES__
  56 CFLAGS64        += -_gcc=-D__C99FEATURES__
  57 
  58 # libm depends on integer overflow characteristics
  59 CFLAGS          += -_gcc=-fno-strict-overflow
  60 CFLAGS64        += -_gcc=-fno-strict-overflow
  61 
  62 $(DYNLIB)       := LDLIBS += -lc
  63 
  64 $(LINTLIB)      := SRCS = $(LIBMSRC)/$(LINTSRC)
  65 
  66 CLEANFILES      += pics/*.s pics/*.S
  67 
  68 FPDEF_amd64     = -DARCH_amd64

  14 #
  15 
  16 LIBMDIR         = $(SRC)/lib/libm
  17 
  18 LIBMSRC         = $(LIBMDIR)/common
  19 
  20 CPP_CMD         = $(CC) -E -Xs
  21 
  22 ASSUFFIX_sparc  = S
  23 ASSUFFIX_i386   = s
  24 ASSUFFIX        = $(ASSUFFIX_$(MACH))
  25 
  26 # C99MODE of neither enabled nor disabled is "no_lib", whereby we expect
  27 # C99-the-language, but don't modify the behaviour of library routines.  This
  28 # is VERY IMPORTANT, as -xc99=%all, for instance, would link us with
  29 # values-xpg6, which would introduce an __xpg6 to our object with the C99
  30 # flags set, causing us to default C99 libm behaviour on, breaking
  31 # compatibility.
  32 C99MODE         =
  33 
  34 M4FLAGS         = -D__STDC__ -DPIC
  35 
  36 LDBLDIR_sparc   = Q
  37 LDBLDIR_i386    = LD
  38 LDBLDIR         = $(LDBLDIR_$(MACH))
  39 
  40 LM_IL           = $(LIBMDIR)/$(TARGET_ARCH)/src/locallibm.il
  41 
  42 CFLAGS          += $(C_PICFLAGS) $(XSTRCONST) $(LM_IL)
  43 CFLAGS64        += $(C_PICFLAGS) $(XSTRCONST) $(LM_IL)
  44 sparc_CFLAGS    += -Wa,-xarch=v8plus
  45 
  46 CPPFLAGS        += -I$(LIBMSRC)/C \


  47                 -I$(LIBMSRC)/$(LDBLDIR) -I$(LIBMDIR)/$(TARGET_ARCH)/src
  48 
  49 # GCC needs __C99FEATURES__ such that the implementations of isunordered,
  50 # isgreaterequal, islessequal, etc, exist.  This is basically equivalent to
  51 # providing no -xc99 to Studio, in that it gets us the C99 language features,
  52 # but not values-xpg6, the reason for which is outline with C99MODE.
  53 CFLAGS          += -_gcc=-D__C99FEATURES__
  54 CFLAGS64        += -_gcc=-D__C99FEATURES__
  55 
  56 # libm depends on integer overflow characteristics
  57 CFLAGS          += -_gcc=-fno-strict-overflow
  58 CFLAGS64        += -_gcc=-fno-strict-overflow
  59 
  60 $(DYNLIB)       := LDLIBS += -lc
  61 
  62 $(LINTLIB)      := SRCS = $(LIBMSRC)/$(LINTSRC)
  63 
  64 CLEANFILES      += pics/*.s pics/*.S
  65 
  66 FPDEF_amd64     = -DARCH_amd64