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_4_8_ARC if BR2_arc
  12         default BR2_GCC_VERSION_4_9_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
  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 for MIPS R6
  32                 depends on !BR2_mips_32r6 && !BR2_mips_64r6
  33                 select BR2_GCC_NEEDS_MPC
  34                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_7
  35
  36         config BR2_GCC_VERSION_4_8_X
  37                 bool "gcc 4.8.x"
  38                 # Broken or unsupported architectures
  39                 depends on !BR2_microblaze && !BR2_arc \
  40                         && !BR2_powerpc64le && !BR2_nios2
  41                 # Broken or unsupported ARM cores
  42                 depends on !BR2_cortex_a12 && !BR2_cortex_a17
  43                 # Broken or unsupported PPC cores
  44                 depends on !BR2_powerpc_power8
  45                 # gcc-4.8.x + binutils-2.25 is broken for MIPS
  46                 depends on !((BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el) && BR2_BINUTILS_VERSION_2_25_X)
  47                 # Unsupported for MIPS R6
  48                 depends on !BR2_mips_32r6 && !BR2_mips_64r6
  49                 select BR2_GCC_NEEDS_MPC
  50                 select BR2_GCC_SUPPORTS_GRAPHITE
  51                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
  52
  53         config BR2_GCC_VERSION_4_8_ARC
  54                 bool "gcc 4.8-arc"
  55                 # Only supported architecture
  56                 depends on BR2_arc
  57                 select BR2_GCC_NEEDS_MPC
  58                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
  59
  60
  61         config BR2_GCC_VERSION_4_9_X
  62                 bool "gcc 4.9.x"
  63                 # Broken or unsupported architectures
  64                 depends on !BR2_arc
  65                 # Broken or unsupported ARM cores
  66                 depends on !BR2_cortex_a17
  67                 # Unsupported for MIPS R6
  68                 depends on !BR2_mips_32r6 && !BR2_mips_64r6
  69                 # PR60102 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102
  70                 select BR2_GCC_NEEDS_MPC
  71                 select BR2_GCC_SUPPORTS_GRAPHITE
  72                 select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
  73
  74         config BR2_GCC_VERSION_5_X
  75                 bool "gcc 5.x"
  76                 # Broken or unsupported architectures
  77                 depends on !BR2_arc
  78                 select BR2_GCC_NEEDS_MPC
  79                 select BR2_GCC_SUPPORTS_GRAPHITE
  80                 select BR2_TOOLCHAIN_GCC_AT_LEAST_5
  81
  82         config BR2_GCC_VERSION_6_X
  83                 bool "gcc 6.x"
  84                 # Broken or unsupported architectures
  85                 depends on !BR2_arc
  86                 select BR2_GCC_NEEDS_MPC
  87                 select BR2_GCC_SUPPORTS_GRAPHITE
  88                 select BR2_TOOLCHAIN_GCC_AT_LEAST_6
  89
  90 endchoice
  91
  92 config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE
  93         bool
  94         default y
  95
  96 config BR2_GCC_VERSION
  97         string
  98         default "4.7.4"     if BR2_GCC_VERSION_4_7_X
  99         default "4.8.5"     if BR2_GCC_VERSION_4_8_X
 100         default "4.9.3"     if BR2_GCC_VERSION_4_9_X
 101         default "5.3.0"     if BR2_GCC_VERSION_5_X
 102         default "6.1.0" if BR2_GCC_VERSION_6_X
 103         default "arc-2016.03" if BR2_GCC_VERSION_4_8_ARC
 104
 105 config BR2_EXTRA_GCC_CONFIG_OPTIONS
 106         string "Additional gcc options"
 107         default ""
 108         help
 109           Any additional gcc configure options you may want to
 110           include. Those options are applied for all of the gcc
 111           initial, gcc intermediate and gcc final passes.
 112
 113 config BR2_TOOLCHAIN_BUILDROOT_CXX
 114         bool "Enable C++ support"
 115         select BR2_INSTALL_LIBSTDCPP
 116         help
 117           Enable this option if you want your toolchain to support the
 118           C++ language and you want C++ libraries to be installed on
 119           your target system.
 120
 121 config BR2_TOOLCHAIN_BUILDROOT_FORTRAN
 122         bool "Enable Fortran support"
 123         help
 124           Enable this option if you want your toolchain to support the
 125           Fortran language and you want Fortran libraries to be
 126           installed on your target system.
 127
 128 config BR2_GCC_ENABLE_TLS
 129         bool "Enable compiler tls support" if BR2_TOOLCHAIN_BUILDROOT_UCLIBC
 130         default y
 131         depends on BR2_PTHREADS_NATIVE || BR2_TOOLCHAIN_BUILDROOT_GLIBC
 132         help
 133           Enable the compiler to generate code for accessing
 134           thread local storage variables
 135
 136 config BR2_GCC_ENABLE_LTO
 137         bool "Enable compiler link-time-optimization support"
 138         select BR2_BINUTILS_ENABLE_LTO
 139         help
 140           This option enables link-time optimization (LTO) support in
 141           gcc.
 142
 143 config BR2_GCC_ENABLE_OPENMP
 144         bool "Enable compiler OpenMP support"
 145         depends on !BR2_PTHREADS_NONE && !BR2_arc && !BR2_microblaze
 146         help
 147           Enable OpenMP support for the compiler
 148
 149 config BR2_GCC_ENABLE_LIBMUDFLAP
 150         bool "Enable libmudflap support"
 151         # There are architectures, or specific configurations for
 152         # which mudflap is not supported.
 153         depends on !BR2_ARM_INSTRUCTIONS_THUMB && !BR2_powerpc_SPE
 154         depends on !BR2_GCC_VERSION_4_9_X
 155         depends on !BR2_GCC_VERSION_5_X
 156         depends on !BR2_GCC_VERSION_6_X
 157         help
 158           libmudflap is a gcc library used for the mudflap pointer
 159           debugging functionality. It is only needed if you intend to
 160           use the -fmudflap gcc flag.
 161
 162           See http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging and
 163           the help of the gcc -fmudflap option for more details.
 164
 165           If you're unsure, leave this option disabled.
 166
 167 config BR2_GCC_ENABLE_GRAPHITE
 168         bool "Enable graphite support"
 169         depends on BR2_GCC_SUPPORTS_GRAPHITE
 170         help
 171           This option enables the graphite optimizations in the
 172           compiler.