toolchain/gcc/Makefile.in

   1 # gcc has a bunch of options that need to be shared with
   2 # both gcc-uclibc-2.95.mk and gcc-uclibc-3.x.mk, and are
   3 # use by other packages... So include them in this file
   4 # and arrange to include it soon after invoking make from
   5 # the top level.
   6
   7 GCC_VERSION:=$(strip $(subst ",, $(BR2_GCC_VERSION)))
   8 #"))
   9 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(BR2_TARGET_OPTIMIZATION)))
  10 #"))
  11 EXTRA_GCC_CONFIG_OPTIONS:=$(strip $(subst ",, $(BR2_EXTRA_GCC_CONFIG_OPTIONS)))
  12 #"))
  13 BR2_GCC_DECNUMBER:=$(strip $(subst ",, $(BR2_GCC_DECNUMBER)))
  14 #"))
  15
  16 ifeq ($(BR2_GCC_IS_SNAP),y)
  17 GCC_SNAP_DATE:=$(strip $(subst ",, $(BR2_GCC_SNAP_DATE)))
  18 #"))
  19 endif
  20
  21 ifeq ($(BR2_GCC_USE_SJLJ_EXCEPTIONS),y)
  22 GCC_USE_SJLJ_EXCEPTIONS:=--enable-sjlj-exceptions
  23 endif
  24 ifeq ($(BR2_ENABLE_SSP),y)
  25 GCC_USE_LIBSSP+=--enable-libssp
  26 else
  27 GCC_USE_LIBSSP+=--disable-libssp
  28 endif
  29 ifeq ($(BR2_ENABLE_MUDFLAP),y)
  30 GCC_USE_LIBMUDFLAP+=--enable-libmudflap
  31 else
  32 GCC_USE_LIBMUDFLAP+=--disable-libmudflap
  33 endif
  34 ifeq ($(BR2_ENABLE_LIBGOMP),y)
  35 GCC_USE_LIBGOMP+=--enable-libgomp
  36 else
  37 GCC_USE_LIBGOMP+=--disable-libgomp
  38 endif
  39
  40 ifeq ($(BR2_SOFT_FLOAT),y)
  41 # gcc 3.4.x soft float configuration is different than previous versions.
  42 ifeq ($(findstring x3.4.,x$(GCC_VERSION)),x3.4.)
  43 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  44 else
  45 SOFT_FLOAT_CONFIG_OPTION:=--without-float
  46 endif
  47
  48 # again... there must be a better way
  49 ifeq ($(findstring x4.,x$(GCC_VERSION)),x4.)
  50 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  51 ifeq ($(BR2_SOFT_FLOAT_FP),y)
  52 TARGET_SOFT_FLOAT:=-mfloat-abi=softfp
  53 else # no fp at all
  54 ifneq ($(BR2_powerpc),y) # is rejected for e.g. "405":
  55 TARGET_SOFT_FLOAT:=-mfloat-abi=soft
  56 endif
  57 endif
  58 else # not gcc-4.x
  59 TARGET_SOFT_FLOAT:=-msoft-float
  60 endif
  61 else # no softfloat support
  62 SOFT_FLOAT_CONFIG_OPTION:=
  63 TARGET_SOFT_FLOAT:=
  64 endif # softfloat support
  65
  66 # Some arches (e.g. cris) do not have supported_defaults
  67 # These are not allowed BR2_GCC_TARGET_ARCH but only BR2_GCC_TARGET_FLAGS_ARCH
  68 GCC_TARGET_ARCH_:=$(strip $(subst ",,$(BR2_GCC_TARGET_ARCH)))
  69 # "))
  70 GCC_TARGET_ABI_:=$(strip $(subst ",,$(BR2_GCC_TARGET_ABI)))
  71 # "))
  72 GCC_TARGET_TUNE_:=$(strip $(subst ",,$(BR2_GCC_TARGET_TUNE)))
  73 # "))
  74 GCC_TARGET_CPU_:=$(strip $(subst ",,$(BR2_GCC_TARGET_CPU)))
  75 # "))
  76 GCC_TARGET_SUBCPU_:=$(strip $(subst ",,$(BR2_GCC_TARGET_SUBCPU)))
  77 # "))
  78 GCC_TARGET_SUBCPU_SEPARATOR:=$(strip $(subst ",,$(BR2_GCC_TARGET_SUBCPU_SEPARATOR)))
  79 # "))
  80 ifneq ($(strip $(GCC_TARGET_CPU_)),)
  81 GCC_WITH_CPU:=--with-cpu=$(GCC_TARGET_CPU_)$(if $(GCC_TARGET_SUBCPU_),$(GCC_TARGET_SUBCPU_SEPARATOR)$(GCC_TARGET_SUBCPU_))
  82 endif
  83 ifneq ($(strip $(GCC_TARGET_TUNE_)),)
  84 GCC_WITH_TUNE:=--with-tune=$(GCC_TARGET_TUNE_)
  85 endif
  86 ifneq ($(strip $(GCC_TARGET_ARCH_)),)
  87 GCC_WITH_ARCH:=--with-arch=$(GCC_TARGET_ARCH_)
  88 endif
  89 ifneq ($(strip $(GCC_TARGET_ABI_)),)
  90 GCC_WITH_ABI:=--with-abi=$(GCC_TARGET_ABI_)
  91 endif
  92
  93
  94 TARGET_GCC_FLAGS= CFLAGS_FOR_TARGET="$(TARGET_CFLAGS) $(TARGET_SOFT_FLOAT)" \
  95         CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS) $(TARGET_SOFT_FLOAT)" \
  96         BOOT_CFLAGS="$(TARGET_CFLAGS) $(TARGET_SOFT_FLOAT)"
  97
  98 EXTRA_GCC_CONFIG_OPTIONS+=$(BR2_MAYBE_USE_INTERWORKING) \
  99         $(GCC_USE_LIBSSP) $(GCC_USE_LIBSSP) $(GCC_USE_LIBMUDFLAP) \
 100         $(GCC_USE_LIBGOMP) \
 101         --enable-decimal-float=$(BR2_GCC_DECNUMBER)
 102
 103 ####################### T A R G E T  s e t t i n g s #######################
 104 ifeq ($(BR2_PACKAGE_GCC_TARGET),y)
 105 EXTRA_TARGET_GCC_CONFIG_OPTIONS:= \
 106         $(GCC_USE_LIBSSP) $(GCC_USE_LIBSSP) $(GCC_USE_LIBMUDFLAP) \
 107         $(GCC_USE_LIBGOMP)
 108
 109 # and finally pull in config opts from the user
 110 EXTRA_TARGET_GCC_CONFIG_OPTIONS+=$(strip $(subst ",, $(BR2_EXTRA_TARGET_GCC_CONFIG_OPTIONS)))
 111 #"))
 112
 113 ifeq ($(BR2_PREFER_IMA),y)
 114 # >= 4.x
 115 ifneq ($(findstring x3.,x$(GCC_VERSION)),x3.)
 116 EXTRA_TARGET_GCC_CONFIG_OPTIONS+=--enable-intermodule
 117 endif
 118 endif # BR2_PREFER_IMA=y
 119
 120 TARGETS+=gcc_target
 121 endif