package/gcc/Config.in.host

   1 comment "GCC Options"
   2
   3 config BR2_GCC_NEEDS_MPC
   4         bool
   5
   6 config BR2_GCC_SUPPORTS_GRAPHITE
   7         bool
   8
   9 choice
  10         prompt "GCC compiler Version"
  11         default BR2_GCC_VERSION_ARC if BR2_arc
  12         default BR2_GCC_VERSION_5_X
  13         help
  14           Select the version of gcc you wish to use.
  15
  16         config BR2_GCC_VERSION_4_7_X
  17                 bool "gcc 4.7.x"
  18                 depends on BR2_DEPRECATED_SINCE_2016_05
  19                 # Broken or unsupported architectures
  20                 depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc \
  21                         && !BR2_powerpc64le && !BR2_nios2 && !BR2_bfin
  22                 # Broken or unsupported ARM cores
  23                 depends on !BR2_cortex_a12 && !BR2_pj4 && !BR2_cortex_a17
  24                 # Broken or unsupported PPC cores
  25                 depends on !BR2_powerpc_e5500 && !BR2_powerpc_e6500 && \
  26                         !BR2_powerpc_power8
  27                 # SPARC -mcpu=leon3 appeared in gcc 4.8.x
  28                 depends on !BR2_sparc_leon3
  29                 # Broken or unsupported x86 cores
  30                 depends on !BR2_x86_jaguar && !BR2_x86_steamroller
  31                 # Unsupported MIPS cores
  32                 depends on !BR2_mips_interaptiv
  33                 # Unsupported for MIPS R5
  34                 depends on !BR2_MIPS_CPU_MIPS32R5 && !BR2_MIPS_CPU_MIPS64R5
  35                 # Unsupported for MIPS R6
  36                 depends on !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
  37                 # musl ppc64 unsupported
  38                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64el))
  39                 select BR2_GCC_NEEDS_MPC
  40                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_7
  41
  42         config BR2_GCC_VERSION_4_8_X
  43                 bool "gcc 4.8.x"
  44                 # Broken or unsupported architectures
  45                 depends on !BR2_microblaze && !BR2_arc \
  46                         && !BR2_powerpc64le && !BR2_nios2 && !BR2_bfin
  47                 # Broken or unsupported ARM cores
  48                 depends on !BR2_cortex_a12 && !BR2_cortex_a17
  49                 # Broken or unsupported PPC cores
  50                 depends on !BR2_powerpc_power8
  51                 # Unsupported MIPS cores
  52                 depends on !BR2_mips_interaptiv
  53                 # gcc-4.8.x + binutils-2.25 is broken for MIPS
  54                 depends on !((BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el) && BR2_BINUTILS_VERSION_2_25_X)
  55                 # Unsupported for MIPS R5
  56                 depends on !BR2_MIPS_CPU_MIPS32R5 && !BR2_MIPS_CPU_MIPS64R5
  57                 # Unsupported for MIPS R6
  58                 depends on !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
  59                 # musl ppc64 unsupported
  60                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64el))
  61                 # musl mips64 unsupported
  62                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  63                 select BR2_GCC_NEEDS_MPC
  64                 select BR2_GCC_SUPPORTS_GRAPHITE
  65                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
  66
  67         config BR2_GCC_VERSION_ARC
  68                 bool "gcc arc (6.x)"
  69                 # Only supported architecture
  70                 depends on BR2_arc
  71                 select BR2_GCC_NEEDS_MPC
  72                 select BR2_TOOLCHAIN_GCC_AT_LEAST_6
  73
  74
  75         config BR2_GCC_VERSION_4_9_X
  76                 bool "gcc 4.9.x"
  77                 # Broken or unsupported architectures
  78                 depends on !BR2_arc && !BR2_bfin
  79                 # Broken or unsupported ARM cores
  80                 depends on !BR2_cortex_a17
  81                 # Unsupported MIPS cores
  82                 depends on !BR2_mips_interaptiv
  83                 # Unsupported for MIPS R5
  84                 depends on !BR2_MIPS_CPU_MIPS32R5 && !BR2_MIPS_CPU_MIPS64R5
  85                 # Unsupported for MIPS R6
  86                 depends on !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
  87                 # musl ppc64 unsupported
  88                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64el))
  89                 # musl mips64 unsupported
  90                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
  91                 # PR60102 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102
  92                 select BR2_GCC_NEEDS_MPC
  93                 select BR2_GCC_SUPPORTS_GRAPHITE
  94                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
  95
  96         config BR2_GCC_VERSION_5_X
  97                 bool "gcc 5.x"
  98                 # Broken or unsupported architectures
  99                 depends on !BR2_arc && !BR2_bfin
 100                 # musl ppc64 unsupported
 101                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64el))
 102                 # Unsupported MIPS cores
 103                 depends on !BR2_mips_interaptiv && !BR2_mips_m5100
 104                 # musl mips64 unsupported
 105                 depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
 106                 select BR2_GCC_NEEDS_MPC
 107                 select BR2_GCC_SUPPORTS_GRAPHITE
 108                 select BR2_TOOLCHAIN_GCC_AT_LEAST_5
 109
 110         config BR2_GCC_VERSION_6_X
 111                 bool "gcc 6.x"
 112                 # Broken or unsupported architectures
 113                 depends on !BR2_arc
 114                 select BR2_GCC_NEEDS_MPC
 115                 select BR2_GCC_SUPPORTS_GRAPHITE
 116                 select BR2_TOOLCHAIN_GCC_AT_LEAST_6
 117
 118 endchoice
 119
 120 # Indicates if GCC for architecture supports --with-{arch,cpu,..}  to
 121 # set default CFLAGS, otherwise values will be used by toolchain
 122 # wrapper.
 123 config BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS
 124         bool
 125         default y if !BR2_bfin
 126
 127 config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE
 128         bool
 129         default y
 130
 131 config BR2_GCC_VERSION
 132         string
 133         default "4.7.4"     if BR2_GCC_VERSION_4_7_X
 134         default "4.8.5"     if BR2_GCC_VERSION_4_8_X
 135         default "4.9.4"     if BR2_GCC_VERSION_4_9_X
 136         default "5.4.0"     if BR2_GCC_VERSION_5_X
 137         default "6.2.0"     if BR2_GCC_VERSION_6_X
 138         default "arc-2016.09-eng015" if BR2_GCC_VERSION_ARC
 139
 140 config BR2_EXTRA_GCC_CONFIG_OPTIONS
 141         string "Additional gcc options"
 142         default ""
 143         help
 144           Any additional gcc configure options you may want to
 145           include. Those options are applied for all of the gcc
 146           initial, gcc intermediate and gcc final passes.
 147
 148 config BR2_TOOLCHAIN_BUILDROOT_CXX
 149         bool "Enable C++ support"
 150         select BR2_INSTALL_LIBSTDCPP
 151         help
 152           Enable this option if you want your toolchain to support the
 153           C++ language and you want C++ libraries to be installed on
 154           your target system.
 155
 156 comment "Fortran support needs a toolchain w/ wchar"
 157         depends on BR2_TOOLCHAIN_HAS_LIBQUADMATH
 158         depends on !BR2_USE_WCHAR # libquadmath
 159
 160 config BR2_TOOLCHAIN_BUILDROOT_FORTRAN
 161         bool "Enable Fortran support"
 162         # on architecture building libquadmath, wchar is required
 163         depends on !BR2_TOOLCHAIN_HAS_LIBQUADMATH || \
 164                 (BR2_TOOLCHAIN_HAS_LIBQUADMATH && BR2_USE_WCHAR)
 165         select BR2_TOOLCHAIN_HAS_FORTRAN
 166         help
 167           Enable this option if you want your toolchain to support the
 168           Fortran language and you want Fortran libraries to be
 169           installed on your target system.
 170
 171 config BR2_GCC_ENABLE_LTO
 172         bool "Enable compiler link-time-optimization support"
 173         select BR2_BINUTILS_ENABLE_LTO
 174         help
 175           This option enables link-time optimization (LTO) support in
 176           gcc.
 177
 178 config BR2_GCC_ENABLE_OPENMP
 179         bool "Enable compiler OpenMP support"
 180         depends on !BR2_PTHREADS_NONE && !BR2_arc && !BR2_microblaze
 181         help
 182           Enable OpenMP support for the compiler
 183
 184 config BR2_GCC_ENABLE_LIBMUDFLAP
 185         bool "Enable libmudflap support"
 186         # There are architectures, or specific configurations for
 187         # which mudflap is not supported.
 188         depends on !BR2_ARM_INSTRUCTIONS_THUMB && !BR2_powerpc_SPE
 189         depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 190         help
 191           libmudflap is a gcc library used for the mudflap pointer
 192           debugging functionality. It is only needed if you intend to
 193           use the -fmudflap gcc flag.
 194
 195           See http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging and
 196           the help of the gcc -fmudflap option for more details.
 197
 198           If you're unsure, leave this option disabled.
 199
 200 config BR2_GCC_ENABLE_GRAPHITE
 201         bool "Enable graphite support"
 202         depends on BR2_GCC_SUPPORTS_GRAPHITE
 203         help
 204           This option enables the graphite optimizations in the
 205           compiler.