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- comment "GCC Options"
- choice
- prompt "GCC compiler Version"
- default BR2_GCC_VERSION_ARC if BR2_arc
- default BR2_GCC_VERSION_CSKY if BR2_csky
- default BR2_GCC_VERSION_OR1K if BR2_or1k
- default BR2_GCC_VERSION_8_X
- help
- Select the version of gcc you wish to use.
- config BR2_GCC_VERSION_ARC
- bool "gcc arc (8.x)"
- # Only supported architecture
- depends on BR2_arc
- select BR2_TOOLCHAIN_GCC_AT_LEAST_8
- config BR2_GCC_VERSION_CSKY
- bool "gcc csky"
- # Only supported architecture
- depends on BR2_csky
- select BR2_TOOLCHAIN_GCC_AT_LEAST_6
- config BR2_GCC_VERSION_OR1K
- bool "gcc or1k (5.x)"
- # Only supported architecture
- depends on BR2_or1k
- select BR2_TOOLCHAIN_GCC_AT_LEAST_5
- config BR2_GCC_VERSION_4_9_X
- bool "gcc 4.9.x"
- depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_5
- # Broken or unsupported architectures
- depends on !BR2_arc
- depends on !BR2_csky
- depends on !BR2_or1k
- # musl on microblaze, ppc64 and mips64 unsupported
- depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_microblazeel || BR2_microblazebe))
- depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
- depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
- # glibc >= 2.29 needs gcc >= 5 on all architectures.
- depends on !BR2_TOOLCHAIN_USES_GLIBC
- select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
- config BR2_GCC_VERSION_5_X
- bool "gcc 5.x"
- depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_6
- # Broken or unsupported architectures
- depends on !BR2_arc
- depends on !BR2_csky
- depends on !BR2_or1k
- # musl on ppc64 and mips64 unsupported
- depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64le))
- depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
- # glibc >= 2.26 needs gcc >= 6.2
- depends on !(BR2_TOOLCHAIN_USES_GLIBC && BR2_powerpc64le)
- select BR2_TOOLCHAIN_GCC_AT_LEAST_5
- config BR2_GCC_VERSION_6_X
- bool "gcc 6.x"
- depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
- # Broken or unsupported architectures
- depends on !BR2_arc
- depends on !BR2_csky
- depends on !BR2_or1k
- select BR2_TOOLCHAIN_GCC_AT_LEAST_6
- config BR2_GCC_VERSION_7_X
- bool "gcc 7.x"
- depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_8
- # Broken or unsupported architectures
- depends on !BR2_csky
- depends on !BR2_or1k
- select BR2_TOOLCHAIN_GCC_AT_LEAST_7
- config BR2_GCC_VERSION_8_X
- bool "gcc 8.x"
- depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_9
- # Broken or unsupported architectures
- depends on !BR2_csky
- depends on !BR2_or1k
- # powerpc spe support has been deprecated since gcc 8.x.
- # https://gcc.gnu.org/ml/gcc/2018-04/msg00102.html
- depends on !BR2_powerpc_SPE
- select BR2_TOOLCHAIN_GCC_AT_LEAST_8
- config BR2_GCC_VERSION_9_X
- bool "gcc 9.x"
- # powerpc spe support has been deprecated since gcc 8.x.
- # https://gcc.gnu.org/ml/gcc/2018-04/msg00102.html
- depends on !BR2_powerpc_SPE
- # C-SKY sk610 needs abiv1, which is not supported in
- # upstream gcc
- depends on !BR2_ck610
- select BR2_TOOLCHAIN_GCC_AT_LEAST_9
- endchoice
- # libcilkrts was introduced in gcc 4.9 (oldest gcc version we
- # support), and removed in gcc 8.x
- config BR2_GCC_SUPPORTS_LIBCILKRTS
- bool
- default y if !BR2_TOOLCHAIN_GCC_AT_LEAST_8
- config BR2_GCC_VERSION
- string
- default "4.9.4" if BR2_GCC_VERSION_4_9_X
- default "5.5.0" if BR2_GCC_VERSION_5_X
- default "6.5.0" if BR2_GCC_VERSION_6_X
- default "7.4.0" if BR2_GCC_VERSION_7_X
- default "8.3.0" if BR2_GCC_VERSION_8_X
- default "9.1.0" if BR2_GCC_VERSION_9_X
- default "arc-2019.03-release" if BR2_GCC_VERSION_ARC
- default "or1k-musl-5.4.0-20170218" if BR2_GCC_VERSION_OR1K
- default "48152afb96c59733d5bc79e3399bb7b3d4b44266" if BR2_GCC_VERSION_CSKY
- config BR2_EXTRA_GCC_CONFIG_OPTIONS
- string "Additional gcc options"
- default ""
- help
- Any additional gcc configure options you may want to
- include. Those options are applied for all of the gcc
- initial, gcc intermediate and gcc final passes.
- config BR2_TOOLCHAIN_BUILDROOT_CXX
- bool "Enable C++ support"
- select BR2_INSTALL_LIBSTDCPP
- help
- Enable this option if you want your toolchain to support the
- C++ language and you want C++ libraries to be installed on
- your target system.
- comment "Fortran support needs a toolchain w/ wchar"
- depends on BR2_TOOLCHAIN_HAS_LIBQUADMATH
- depends on !BR2_USE_WCHAR # libquadmath
- config BR2_TOOLCHAIN_BUILDROOT_FORTRAN
- bool "Enable Fortran support"
- # on architecture building libquadmath, wchar is required
- depends on !BR2_TOOLCHAIN_HAS_LIBQUADMATH || \
- (BR2_TOOLCHAIN_HAS_LIBQUADMATH && BR2_USE_WCHAR)
- select BR2_TOOLCHAIN_HAS_FORTRAN
- help
- Enable this option if you want your toolchain to support the
- Fortran language and you want Fortran libraries to be
- installed on your target system.
- config BR2_GCC_ENABLE_LTO
- bool "Enable compiler link-time-optimization support"
- select BR2_BINUTILS_ENABLE_LTO
- help
- This option enables link-time optimization (LTO) support in
- gcc.
- config BR2_GCC_ENABLE_OPENMP
- bool "Enable compiler OpenMP support"
- depends on !BR2_PTHREADS_NONE && !BR2_arc && !BR2_microblaze
- select BR2_TOOLCHAIN_HAS_OPENMP
- help
- Enable OpenMP support for the compiler
- config BR2_GCC_ENABLE_LIBMUDFLAP
- bool "Enable libmudflap support"
- # There are architectures, or specific configurations for
- # which mudflap is not supported.
- depends on !BR2_ARM_INSTRUCTIONS_THUMB && !BR2_powerpc_SPE
- depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
- help
- libmudflap is a gcc library used for the mudflap pointer
- debugging functionality. It is only needed if you intend to
- use the -fmudflap gcc flag.
- See http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging and
- the help of the gcc -fmudflap option for more details.
- If you're unsure, leave this option disabled.
- config BR2_GCC_ENABLE_GRAPHITE
- bool "Enable graphite support"
- depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5
- help
- This option enables the graphite optimizations in the
- compiler.
- comment "graphite support needs gcc >= 5.x"
- depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_5
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