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_5_X
   8         help
   9           Select the version of gcc you wish to use.
  10
  11         config BR2_GCC_VERSION_4_8_X
  12                 bool "gcc 4.8.x"
  13                 # Broken or unsupported architectures
  14                 depends on !BR2_microblaze && !BR2_arc && !BR2_or1k \
  15                         && !BR2_powerpc64le && !BR2_nios2 && !BR2_bfin
  16                 # Broken or unsupported ARM cores
  17                 depends on !BR2_cortex_a12 && !BR2_cortex_a17 && !BR2_ARM_CPU_ARMV8
  18                 # Broken or unsupported PPC cores
  19                 depends on !BR2_powerpc_power8
  20                 # Unsupported MIPS cores
  21                 depends on !BR2_mips_interaptiv
  22                 # gcc-4.8.x + binutils-2.25 is broken for MIPS
  23                 depends on !((BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el) && BR2_BINUTILS_VERSION_2_25_X)
  24                 # Unsupported for MIPS R5
  25                 depends on !BR2_MIPS_CPU_MIPS32R5 && !BR2_MIPS_CPU_MIPS64R5
  26                 # Unsupported for MIPS R6
  27                 depends on !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
  28                 # musl ppc64 unsupported
  29                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
  30                 # musl mips64 unsupported
  31                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  32                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
  33
  34         config BR2_GCC_VERSION_ARC
  35                 bool "gcc arc (6.x)"
  36                 # Only supported architecture
  37                 depends on BR2_arc
  38                 select BR2_TOOLCHAIN_GCC_AT_LEAST_6
  39
  40         config BR2_GCC_VERSION_OR1K
  41                 bool "gcc or1k (5.x)"
  42                 # Only supported architecture
  43                 depends on BR2_or1k
  44                 select BR2_TOOLCHAIN_GCC_AT_LEAST_5
  45
  46         config BR2_GCC_VERSION_4_9_X
  47                 bool "gcc 4.9.x"
  48                 # Broken or unsupported architectures
  49                 depends on !BR2_arc && !BR2_bfin && !BR2_or1k
  50                 # Broken or unsupported ARM cores
  51                 depends on !BR2_cortex_a17 && !BR2_cortex_a72
  52                 # Unsupported MIPS cores
  53                 depends on !BR2_mips_interaptiv
  54                 # Unsupported for MIPS R5
  55                 depends on !BR2_MIPS_CPU_MIPS32R5 && !BR2_MIPS_CPU_MIPS64R5
  56                 # Unsupported for MIPS R6
  57                 depends on !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
  58                 # musl microblaze unsupported
  59                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_microblazeel || BR2_microblazebe))
  60                 # musl ppc64 unsupported
  61                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
  62                 # musl mips64 unsupported
  63                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  64                 # PR60102 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102
  65                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
  66
  67         config BR2_GCC_VERSION_5_X
  68                 bool "gcc 5.x"
  69                 # Broken or unsupported architectures
  70                 depends on !BR2_arc && !BR2_bfin && !BR2_or1k
  71                 # musl ppc64 unsupported
  72                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
  73                 # Unsupported MIPS cores
  74                 depends on !BR2_mips_interaptiv && !BR2_mips_m5150 && \
  75                         !BR2_mips_m6250 && !BR2_mips_i6400 && !BR2_mips_p6600
  76                 # musl mips64 unsupported
  77                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  78                 select BR2_TOOLCHAIN_GCC_AT_LEAST_5
  79
  80         config BR2_GCC_VERSION_6_X
  81                 bool "gcc 6.x"
  82                 # Broken or unsupported architectures
  83                 depends on !BR2_arc
  84                 depends on !BR2_microblaze
  85                 depends on !BR2_or1k
  86                 # Unsupported MIPS cores
  87                 depends on !BR2_mips_m6250 && !BR2_mips_p6600
  88                 select BR2_TOOLCHAIN_GCC_AT_LEAST_6
  89
  90 endchoice
  91
  92 # Indicates if GCC for architecture supports --with-{arch,cpu,..}  to
  93 # set default CFLAGS, otherwise values will be used by toolchain
  94 # wrapper.
  95 config BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS
  96         bool
  97         default y if !BR2_bfin
  98
  99 config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE
 100         bool
 101         default y
 102
 103 config BR2_GCC_VERSION
 104         string
 105         default "4.8.5"     if BR2_GCC_VERSION_4_8_X
 106         default "4.9.4"     if BR2_GCC_VERSION_4_9_X
 107         default "5.4.0"     if BR2_GCC_VERSION_5_X
 108         default "6.3.0"     if BR2_GCC_VERSION_6_X
 109         default "arc-2016.09-release" if BR2_GCC_VERSION_ARC
 110         default "musl-5.4.0" if BR2_GCC_VERSION_OR1K
 111
 112 config BR2_EXTRA_GCC_CONFIG_OPTIONS
 113         string "Additional gcc options"
 114         default ""
 115         help
 116           Any additional gcc configure options you may want to
 117           include. Those options are applied for all of the gcc
 118           initial, gcc intermediate and gcc final passes.
 119
 120 config BR2_TOOLCHAIN_BUILDROOT_CXX
 121         bool "Enable C++ support"
 122         select BR2_INSTALL_LIBSTDCPP
 123         help
 124           Enable this option if you want your toolchain to support the
 125           C++ language and you want C++ libraries to be installed on
 126           your target system.
 127
 128 comment "Fortran support needs a toolchain w/ wchar"
 129         depends on BR2_TOOLCHAIN_HAS_LIBQUADMATH
 130         depends on !BR2_USE_WCHAR # libquadmath
 131
 132 config BR2_TOOLCHAIN_BUILDROOT_FORTRAN
 133         bool "Enable Fortran support"
 134         # on architecture building libquadmath, wchar is required
 135         depends on !BR2_TOOLCHAIN_HAS_LIBQUADMATH || \
 136                 (BR2_TOOLCHAIN_HAS_LIBQUADMATH && BR2_USE_WCHAR)
 137         select BR2_TOOLCHAIN_HAS_FORTRAN
 138         help
 139           Enable this option if you want your toolchain to support the
 140           Fortran language and you want Fortran libraries to be
 141           installed on your target system.
 142
 143 config BR2_GCC_ENABLE_LTO
 144         bool "Enable compiler link-time-optimization support"
 145         select BR2_BINUTILS_ENABLE_LTO
 146         help
 147           This option enables link-time optimization (LTO) support in
 148           gcc.
 149
 150 config BR2_GCC_ENABLE_OPENMP
 151         bool "Enable compiler OpenMP support"
 152         depends on !BR2_PTHREADS_NONE && !BR2_arc && !BR2_microblaze
 153         help
 154           Enable OpenMP support for the compiler
 155
 156 config BR2_GCC_ENABLE_LIBMUDFLAP
 157         bool "Enable libmudflap support"
 158         # There are architectures, or specific configurations for
 159         # which mudflap is not supported.
 160         depends on !BR2_ARM_INSTRUCTIONS_THUMB && !BR2_powerpc_SPE
 161         depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 162         help
 163           libmudflap is a gcc library used for the mudflap pointer
 164           debugging functionality. It is only needed if you intend to
 165           use the -fmudflap gcc flag.
 166
 167           See http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging and
 168           the help of the gcc -fmudflap option for more details.
 169
 170           If you're unsure, leave this option disabled.
 171
 172 config BR2_GCC_ENABLE_GRAPHITE
 173         bool "Enable graphite support"
 174         help
 175           This option enables the graphite optimizations in the
 176           compiler.