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 && !BR2_ARM_CPU_ARMV8
  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_powerpc64le))
  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 && !BR2_cortex_a72
  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 microblaze unsupported
  52                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_microblazeel || BR2_microblazebe))
  53                 # musl ppc64 unsupported
  54                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
  55                 # musl mips64 unsupported
  56                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  57                 # PR60102 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102
  58                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
  59
  60         config BR2_GCC_VERSION_5_X
  61                 bool "gcc 5.x"
  62                 # Broken or unsupported architectures
  63                 depends on !BR2_arc && !BR2_bfin
  64                 # musl ppc64 unsupported
  65                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
  66                 # Unsupported MIPS cores
  67                 depends on !BR2_mips_interaptiv && !BR2_mips_m5150 && \
  68                         !BR2_mips_m6250 && !BR2_mips_i6400 && !BR2_mips_p6600
  69                 # musl mips64 unsupported
  70                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  71                 select BR2_TOOLCHAIN_GCC_AT_LEAST_5
  72
  73         config BR2_GCC_VERSION_6_X
  74                 bool "gcc 6.x"
  75                 # Broken or unsupported architectures
  76                 depends on !BR2_arc
  77                 depends on !BR2_microblaze
  78                 # Unsupported MIPS cores
  79                 depends on !BR2_mips_m6250 && !BR2_mips_p6600
  80                 select BR2_TOOLCHAIN_GCC_AT_LEAST_6
  81
  82 endchoice
  83
  84 # Indicates if GCC for architecture supports --with-{arch,cpu,..}  to
  85 # set default CFLAGS, otherwise values will be used by toolchain
  86 # wrapper.
  87 config BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS
  88         bool
  89         default y if !BR2_bfin
  90
  91 config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE
  92         bool
  93         default y
  94
  95 config BR2_GCC_VERSION
  96         string
  97         default "4.8.5"     if BR2_GCC_VERSION_4_8_X
  98         default "4.9.4"     if BR2_GCC_VERSION_4_9_X
  99         default "5.4.0"     if BR2_GCC_VERSION_5_X
 100         default "6.3.0"     if BR2_GCC_VERSION_6_X
 101         default "arc-2016.09-release" if BR2_GCC_VERSION_ARC
 102
 103 config BR2_EXTRA_GCC_CONFIG_OPTIONS
 104         string "Additional gcc options"
 105         default ""
 106         help
 107           Any additional gcc configure options you may want to
 108           include. Those options are applied for all of the gcc
 109           initial, gcc intermediate and gcc final passes.
 110
 111 config BR2_TOOLCHAIN_BUILDROOT_CXX
 112         bool "Enable C++ support"
 113         select BR2_INSTALL_LIBSTDCPP
 114         help
 115           Enable this option if you want your toolchain to support the
 116           C++ language and you want C++ libraries to be installed on
 117           your target system.
 118
 119 comment "Fortran support needs a toolchain w/ wchar"
 120         depends on BR2_TOOLCHAIN_HAS_LIBQUADMATH
 121         depends on !BR2_USE_WCHAR # libquadmath
 122
 123 config BR2_TOOLCHAIN_BUILDROOT_FORTRAN
 124         bool "Enable Fortran support"
 125         # on architecture building libquadmath, wchar is required
 126         depends on !BR2_TOOLCHAIN_HAS_LIBQUADMATH || \
 127                 (BR2_TOOLCHAIN_HAS_LIBQUADMATH && BR2_USE_WCHAR)
 128         select BR2_TOOLCHAIN_HAS_FORTRAN
 129         help
 130           Enable this option if you want your toolchain to support the
 131           Fortran language and you want Fortran libraries to be
 132           installed on your target system.
 133
 134 config BR2_GCC_ENABLE_LTO
 135         bool "Enable compiler link-time-optimization support"
 136         select BR2_BINUTILS_ENABLE_LTO
 137         help
 138           This option enables link-time optimization (LTO) support in
 139           gcc.
 140
 141 config BR2_GCC_ENABLE_OPENMP
 142         bool "Enable compiler OpenMP support"
 143         depends on !BR2_PTHREADS_NONE && !BR2_arc && !BR2_microblaze
 144         help
 145           Enable OpenMP support for the compiler
 146
 147 config BR2_GCC_ENABLE_LIBMUDFLAP
 148         bool "Enable libmudflap support"
 149         # There are architectures, or specific configurations for
 150         # which mudflap is not supported.
 151         depends on !BR2_ARM_INSTRUCTIONS_THUMB && !BR2_powerpc_SPE
 152         depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 153         help
 154           libmudflap is a gcc library used for the mudflap pointer
 155           debugging functionality. It is only needed if you intend to
 156           use the -fmudflap gcc flag.
 157
 158           See http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging and
 159           the help of the gcc -fmudflap option for more details.
 160
 161           If you're unsure, leave this option disabled.
 162
 163 config BR2_GCC_ENABLE_GRAPHITE
 164         bool "Enable graphite support"
 165         help
 166           This option enables the graphite optimizations in the
 167           compiler.