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_OR1K if BR2_or1k
   7         default BR2_GCC_VERSION_6_X
   8         help
   9           Select the version of gcc you wish to use.
  10
  11 config BR2_GCC_VERSION_ARC
  12         bool "gcc arc (7.x)"
  13         # Only supported architecture
  14         depends on BR2_arc
  15         select BR2_TOOLCHAIN_GCC_AT_LEAST_7
  16
  17 config BR2_GCC_VERSION_OR1K
  18         bool "gcc or1k (5.x)"
  19         # Only supported architecture
  20         depends on BR2_or1k
  21         select BR2_TOOLCHAIN_GCC_AT_LEAST_5
  22
  23 config BR2_GCC_VERSION_4_9_X
  24         bool "gcc 4.9.x"
  25         depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_5
  26         # Broken or unsupported architectures
  27         depends on !BR2_arc
  28         depends on !BR2_or1k
  29         # musl on microblaze, ppc64 and mips64 unsupported
  30         depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_microblazeel || BR2_microblazebe))
  31         depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
  32         depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  33         # glibc >= 2.26 needs gcc >= 6.2
  34         depends on !(BR2_TOOLCHAIN_USES_GLIBC && BR2_powerpc64le)
  35         select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
  36
  37 config BR2_GCC_VERSION_5_X
  38         bool "gcc 5.x"
  39         depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_6
  40         # Broken or unsupported architectures
  41         depends on !BR2_arc
  42         depends on !BR2_or1k
  43         # musl on ppc64 and mips64 unsupported
  44         depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
  45         depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  46         # glibc >= 2.26 needs gcc >= 6.2
  47         depends on !(BR2_TOOLCHAIN_USES_GLIBC && BR2_powerpc64le)
  48         select BR2_TOOLCHAIN_GCC_AT_LEAST_5
  49
  50 config BR2_GCC_VERSION_6_X
  51         bool "gcc 6.x"
  52         depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
  53         # Broken or unsupported architectures
  54         depends on !BR2_arc
  55         depends on !BR2_or1k
  56         select BR2_TOOLCHAIN_GCC_AT_LEAST_6
  57
  58 config BR2_GCC_VERSION_7_X
  59         bool "gcc 7.x"
  60         # Broken or unsupported architectures
  61         depends on !BR2_or1k
  62         select BR2_TOOLCHAIN_GCC_AT_LEAST_7
  63
  64 endchoice
  65
  66 config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE
  67         bool
  68         default y
  69
  70 config BR2_GCC_VERSION
  71         string
  72         default "4.9.4"     if BR2_GCC_VERSION_4_9_X
  73         default "5.5.0"     if BR2_GCC_VERSION_5_X
  74         default "6.4.0"     if BR2_GCC_VERSION_6_X
  75         default "7.3.0"     if BR2_GCC_VERSION_7_X
  76         default "arc-2018.03-rc1" if BR2_GCC_VERSION_ARC
  77         default "or1k-musl-5.4.0-20170218" if BR2_GCC_VERSION_OR1K
  78
  79 config BR2_EXTRA_GCC_CONFIG_OPTIONS
  80         string "Additional gcc options"
  81         default ""
  82         help
  83           Any additional gcc configure options you may want to
  84           include. Those options are applied for all of the gcc
  85           initial, gcc intermediate and gcc final passes.
  86
  87 config BR2_TOOLCHAIN_BUILDROOT_CXX
  88         bool "Enable C++ support"
  89         select BR2_INSTALL_LIBSTDCPP
  90         help
  91           Enable this option if you want your toolchain to support the
  92           C++ language and you want C++ libraries to be installed on
  93           your target system.
  94
  95 comment "Fortran support needs a toolchain w/ wchar"
  96         depends on BR2_TOOLCHAIN_HAS_LIBQUADMATH
  97         depends on !BR2_USE_WCHAR # libquadmath
  98
  99 config BR2_TOOLCHAIN_BUILDROOT_FORTRAN
 100         bool "Enable Fortran support"
 101         # on architecture building libquadmath, wchar is required
 102         depends on !BR2_TOOLCHAIN_HAS_LIBQUADMATH || \
 103                 (BR2_TOOLCHAIN_HAS_LIBQUADMATH && BR2_USE_WCHAR)
 104         select BR2_TOOLCHAIN_HAS_FORTRAN
 105         help
 106           Enable this option if you want your toolchain to support the
 107           Fortran language and you want Fortran libraries to be
 108           installed on your target system.
 109
 110 config BR2_GCC_ENABLE_LTO
 111         bool "Enable compiler link-time-optimization support"
 112         select BR2_BINUTILS_ENABLE_LTO
 113         help
 114           This option enables link-time optimization (LTO) support in
 115           gcc.
 116
 117 config BR2_GCC_ENABLE_OPENMP
 118         bool "Enable compiler OpenMP support"
 119         depends on !BR2_PTHREADS_NONE && !BR2_arc && !BR2_microblaze
 120         help
 121           Enable OpenMP support for the compiler
 122
 123 config BR2_GCC_ENABLE_LIBMUDFLAP
 124         bool "Enable libmudflap support"
 125         # There are architectures, or specific configurations for
 126         # which mudflap is not supported.
 127         depends on !BR2_ARM_INSTRUCTIONS_THUMB && !BR2_powerpc_SPE
 128         depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 129         help
 130           libmudflap is a gcc library used for the mudflap pointer
 131           debugging functionality. It is only needed if you intend to
 132           use the -fmudflap gcc flag.
 133
 134           See http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging and
 135           the help of the gcc -fmudflap option for more details.
 136
 137           If you're unsure, leave this option disabled.
 138
 139 config BR2_GCC_ENABLE_GRAPHITE
 140         bool "Enable graphite support"
 141         depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5
 142         help
 143           This option enables the graphite optimizations in the
 144           compiler.
 145
 146 comment "graphite support needs gcc >= 5.x"
 147         depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_5