package/gcc/Config.in.host

   1 comment "GCC Options"
   2
   3 choice
   4         prompt "GCC compiler Version"
   5         default BR2_GCC_VERSION_ARC if BR2_arc
   6         default BR2_GCC_VERSION_5_X
   7         help
   8           Select the version of gcc you wish to use.
   9
  10         config BR2_GCC_VERSION_4_8_X
  11                 bool "gcc 4.8.x"
  12                 # Broken or unsupported architectures
  13                 depends on !BR2_microblaze && !BR2_arc \
  14                         && !BR2_powerpc64le && !BR2_nios2 && !BR2_bfin
  15                 # Broken or unsupported ARM cores
  16                 depends on !BR2_cortex_a12 && !BR2_cortex_a17
  17                 # Broken or unsupported PPC cores
  18                 depends on !BR2_powerpc_power8
  19                 # Unsupported MIPS cores
  20                 depends on !BR2_mips_interaptiv
  21                 # gcc-4.8.x + binutils-2.25 is broken for MIPS
  22                 depends on !((BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el) && BR2_BINUTILS_VERSION_2_25_X)
  23                 # Unsupported for MIPS R5
  24                 depends on !BR2_MIPS_CPU_MIPS32R5 && !BR2_MIPS_CPU_MIPS64R5
  25                 # Unsupported for MIPS R6
  26                 depends on !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
  27                 # musl ppc64 unsupported
  28                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64el))
  29                 # musl mips64 unsupported
  30                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  31                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
  32
  33         config BR2_GCC_VERSION_ARC
  34                 bool "gcc arc (6.x)"
  35                 # Only supported architecture
  36                 depends on BR2_arc
  37                 select BR2_TOOLCHAIN_GCC_AT_LEAST_6
  38
  39         config BR2_GCC_VERSION_4_9_X
  40                 bool "gcc 4.9.x"
  41                 # Broken or unsupported architectures
  42                 depends on !BR2_arc && !BR2_bfin
  43                 # Broken or unsupported ARM cores
  44                 depends on !BR2_cortex_a17
  45                 # Unsupported MIPS cores
  46                 depends on !BR2_mips_interaptiv
  47                 # Unsupported for MIPS R5
  48                 depends on !BR2_MIPS_CPU_MIPS32R5 && !BR2_MIPS_CPU_MIPS64R5
  49                 # Unsupported for MIPS R6
  50                 depends on !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
  51                 # musl ppc64 unsupported
  52                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64el))
  53                 # musl mips64 unsupported
  54                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  55                 # PR60102 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102
  56                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
  57
  58         config BR2_GCC_VERSION_5_X
  59                 bool "gcc 5.x"
  60                 # Broken or unsupported architectures
  61                 depends on !BR2_arc && !BR2_bfin
  62                 # musl ppc64 unsupported
  63                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64el))
  64                 # Unsupported MIPS cores
  65                 depends on !BR2_mips_interaptiv && !BR2_mips_m5100 && \
  66                         !BR2_mips_m5101 && !BR2_mips_m6201 && !BR2_mips_i6400 && \
  67                         !BR2_mips_p6600
  68                 # musl mips64 unsupported
  69                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  70                 select BR2_TOOLCHAIN_GCC_AT_LEAST_5
  71
  72         config BR2_GCC_VERSION_6_X
  73                 bool "gcc 6.x"
  74                 # Broken or unsupported architectures
  75                 depends on !BR2_arc
  76                 # Unsupported MIPS cores
  77                 depends on !BR2_mips_m6201 && !BR2_mips_p6600
  78                 select BR2_TOOLCHAIN_GCC_AT_LEAST_6
  79
  80 endchoice
  81
  82 # Indicates if GCC for architecture supports --with-{arch,cpu,..}  to
  83 # set default CFLAGS, otherwise values will be used by toolchain
  84 # wrapper.
  85 config BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS
  86         bool
  87         default y if !BR2_bfin
  88
  89 config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE
  90         bool
  91         default y
  92
  93 config BR2_GCC_VERSION
  94         string
  95         default "4.8.5"     if BR2_GCC_VERSION_4_8_X
  96         default "4.9.4"     if BR2_GCC_VERSION_4_9_X
  97         default "5.4.0"     if BR2_GCC_VERSION_5_X
  98         default "6.2.0"     if BR2_GCC_VERSION_6_X
  99         default "arc-2016.09-eng015" if BR2_GCC_VERSION_ARC
 100
 101 config BR2_EXTRA_GCC_CONFIG_OPTIONS
 102         string "Additional gcc options"
 103         default ""
 104         help
 105           Any additional gcc configure options you may want to
 106           include. Those options are applied for all of the gcc
 107           initial, gcc intermediate and gcc final passes.
 108
 109 config BR2_TOOLCHAIN_BUILDROOT_CXX
 110         bool "Enable C++ support"
 111         select BR2_INSTALL_LIBSTDCPP
 112         help
 113           Enable this option if you want your toolchain to support the
 114           C++ language and you want C++ libraries to be installed on
 115           your target system.
 116
 117 comment "Fortran support needs a toolchain w/ wchar"
 118         depends on BR2_TOOLCHAIN_HAS_LIBQUADMATH
 119         depends on !BR2_USE_WCHAR # libquadmath
 120
 121 config BR2_TOOLCHAIN_BUILDROOT_FORTRAN
 122         bool "Enable Fortran support"
 123         # on architecture building libquadmath, wchar is required
 124         depends on !BR2_TOOLCHAIN_HAS_LIBQUADMATH || \
 125                 (BR2_TOOLCHAIN_HAS_LIBQUADMATH && BR2_USE_WCHAR)
 126         select BR2_TOOLCHAIN_HAS_FORTRAN
 127         help
 128           Enable this option if you want your toolchain to support the
 129           Fortran language and you want Fortran libraries to be
 130           installed on your target system.
 131
 132 config BR2_GCC_ENABLE_LTO
 133         bool "Enable compiler link-time-optimization support"
 134         select BR2_BINUTILS_ENABLE_LTO
 135         help
 136           This option enables link-time optimization (LTO) support in
 137           gcc.
 138
 139 config BR2_GCC_ENABLE_OPENMP
 140         bool "Enable compiler OpenMP support"
 141         depends on !BR2_PTHREADS_NONE && !BR2_arc && !BR2_microblaze
 142         help
 143           Enable OpenMP support for the compiler
 144
 145 config BR2_GCC_ENABLE_LIBMUDFLAP
 146         bool "Enable libmudflap support"
 147         # There are architectures, or specific configurations for
 148         # which mudflap is not supported.
 149         depends on !BR2_ARM_INSTRUCTIONS_THUMB && !BR2_powerpc_SPE
 150         depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 151         help
 152           libmudflap is a gcc library used for the mudflap pointer
 153           debugging functionality. It is only needed if you intend to
 154           use the -fmudflap gcc flag.
 155
 156           See http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging and
 157           the help of the gcc -fmudflap option for more details.
 158
 159           If you're unsure, leave this option disabled.
 160
 161 config BR2_GCC_ENABLE_GRAPHITE
 162         bool "Enable graphite support"
 163         help
 164           This option enables the graphite optimizations in the
 165           compiler.