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 if BR2_microblaze || BR2_powerpc64le
  13         default BR2_GCC_VERSION_4_8_X
  14         help
  15           Select the version of gcc you wish to use.
  16
  17         config BR2_GCC_VERSION_4_5_X
  18                 bool "gcc 4.5.x"
  19                 depends on BR2_DEPRECATED_SINCE_2015_05
  20                 # Broken or unsupported architectures
  21                 depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc \
  22                         && !BR2_powerpc64le && !BR2_nios2
  23                 # Broken or unsupported ARM cores
  24                 depends on !BR2_cortex_a7 && !BR2_cortex_a12 && \
  25                         !BR2_cortex_a15 && !BR2_fa526 && !BR2_pj4
  26                 # Broken or unsupported PPC cores
  27                 depends on !BR2_powerpc_e5500 && !BR2_powerpc_e6500 && \
  28                         !BR2_powerpc_power8
  29                 # SPARC -mcpu=leon3 appeared in gcc 4.8.x
  30                 depends on !BR2_sparc_leon3
  31                 # Broken or unsupported X86 cores
  32                 depends on !BR2_x86_corei7 && !BR2_x86_jaguar && !BR2_x86_steamroller
  33                 # ARM EABIhf support appeared in gcc 4.6
  34                 depends on !BR2_ARM_EABIHF
  35                 # musl patches only for gcc 4.7+
  36                 depends on !BR2_TOOLCHAIN_BUILDROOT_MUSL
  37                 select BR2_GCC_NEEDS_MPC
  38
  39         config BR2_GCC_VERSION_4_7_X
  40                 bool "gcc 4.7.x"
  41                 # Broken or unsupported architectures
  42                 depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc \
  43                         && !BR2_powerpc64le && !BR2_nios2
  44                 # Broken or unsupported ARM cores
  45                 depends on !BR2_cortex_a12 && !BR2_pj4
  46                 # Broken or unsupported PPC cores
  47                 depends on !BR2_powerpc_e5500 && !BR2_powerpc_e6500 && \
  48                         !BR2_powerpc_power8
  49                 # SPARC -mcpu=leon3 appeared in gcc 4.8.x
  50                 depends on !BR2_sparc_leon3
  51                 # Broken or unsupported x86 cores
  52                 depends on !BR2_x86_jaguar && !BR2_x86_steamroller
  53                 select BR2_GCC_NEEDS_MPC
  54
  55         config BR2_GCC_VERSION_4_8_X
  56                 bool "gcc 4.8.x"
  57                 # Broken or unsupported architectures
  58                 depends on !BR2_microblaze && !BR2_arc \
  59                         && !BR2_powerpc64le && !BR2_nios2
  60                 # Broken or unsupported ARM cores
  61                 depends on !BR2_cortex_a12
  62                 # Broken or unsupported PPC cores
  63                 depends on !BR2_powerpc_power8
  64                 select BR2_GCC_NEEDS_MPC
  65                 select BR2_GCC_SUPPORTS_GRAPHITE
  66
  67         config BR2_GCC_VERSION_4_8_ARC
  68                 bool "gcc 4.8-arc"
  69                 # Only supported architecture
  70                 depends on BR2_arc
  71                 select BR2_GCC_NEEDS_MPC
  72
  73         config BR2_GCC_VERSION_4_9_X
  74                 bool "gcc 4.9.x"
  75                 # Broken or unsupported architectures
  76                 depends on !BR2_arc
  77                 # PR60102 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102
  78                 select BR2_GCC_NEEDS_MPC
  79                 select BR2_GCC_SUPPORTS_GRAPHITE
  80
  81 endchoice
  82
  83 config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE
  84         bool
  85         default y
  86
  87 config BR2_GCC_VERSION
  88         string
  89         default "4.5.4"     if BR2_GCC_VERSION_4_5_X
  90         default "4.7.4"     if BR2_GCC_VERSION_4_7_X
  91         default "4.8.4"     if BR2_GCC_VERSION_4_8_X
  92         default "4.9.2"     if BR2_GCC_VERSION_4_9_X
  93         default "arc-2014.12" if BR2_GCC_VERSION_4_8_ARC
  94
  95 config BR2_EXTRA_GCC_CONFIG_OPTIONS
  96         string "Additional gcc options"
  97         default ""
  98         help
  99           Any additional gcc configure options you may want to
 100           include. Those options are applied for all of the gcc
 101           initial, gcc intermediate and gcc final passes.
 102
 103 config BR2_TOOLCHAIN_BUILDROOT_CXX
 104         bool "Enable C++ support"
 105         select BR2_INSTALL_LIBSTDCPP
 106         help
 107           Enable this option if you want your toolchain to support the
 108           C++ language and you want C++ libraries to be installed on
 109           your target system.
 110
 111 config BR2_GCC_ENABLE_TLS
 112         bool "Enable compiler tls support" if BR2_TOOLCHAIN_BUILDROOT_UCLIBC
 113         default y
 114         depends on BR2_PTHREADS_NATIVE || BR2_TOOLCHAIN_BUILDROOT_EGLIBC || BR2_TOOLCHAIN_BUILDROOT_GLIBC
 115         help
 116           Enable the compiler to generate code for accessing
 117           thread local storage variables
 118
 119 config BR2_GCC_ENABLE_LTO
 120         bool "Enable compiler link-time-optimization support"
 121         select BR2_BINUTILS_ENABLE_LTO
 122         help
 123           This option enables link-time optimization (LTO) support in
 124           gcc.
 125
 126 config BR2_GCC_ENABLE_OPENMP
 127         bool "Enable compiler OpenMP support"
 128         depends on !BR2_PTHREADS_NONE && !BR2_arc && !BR2_microblaze
 129         help
 130           Enable OpenMP support for the compiler
 131
 132 config BR2_GCC_ENABLE_LIBMUDFLAP
 133         bool "Enable libmudflap support"
 134         # There are architectures, or specific configurations for
 135         # which mudflap is not supported.
 136         depends on !BR2_ARM_INSTRUCTIONS_THUMB && !BR2_powerpc_SPE
 137         depends on !BR2_GCC_VERSION_4_9_X
 138         help
 139           libmudflap is a gcc library used for the mudflap pointer
 140           debugging functionality. It is only needed if you intend to
 141           use the -fmudflap gcc flag.
 142
 143           See http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging and
 144           the help of the gcc -fmudflap option for more details.
 145
 146           If you're unsure, leave this option disabled.
 147
 148 config BR2_GCC_ENABLE_GRAPHITE
 149         bool "Enable graphite support"
 150         depends on BR2_GCC_SUPPORTS_GRAPHITE
 151         help
 152           This option enables the graphite optimizations in the
 153           compiler.