| comment "GCC Options" |
| |
| choice |
| prompt "GCC compiler Version" |
| default BR2_GCC_VERSION_ARC if BR2_arc |
| default BR2_GCC_VERSION_OR1K if BR2_or1k |
| default BR2_GCC_VERSION_7_X |
| help |
| Select the version of gcc you wish to use. |
| |
| config BR2_GCC_VERSION_ARC |
| bool "gcc arc (7.x)" |
| # Only supported architecture |
| depends on BR2_arc |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_7 |
| |
| 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_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 >= 2.26 needs gcc >= 6.2 |
| depends on !(BR2_TOOLCHAIN_USES_GLIBC && BR2_powerpc64le) |
| 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_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_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_or1k |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_7 |
| |
| config BR2_GCC_VERSION_8_X |
| bool "gcc 8.x" |
| # Broken or unsupported architectures |
| depends on !BR2_or1k |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_8 |
| |
| endchoice |
| |
| config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE |
| bool |
| default y |
| |
| 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 "6.4.0" if BR2_GCC_VERSION_6_X |
| default "7.3.0" if BR2_GCC_VERSION_7_X |
| default "8.2.0" if BR2_GCC_VERSION_8_X |
| default "arc-2018.03" if BR2_GCC_VERSION_ARC |
| default "or1k-musl-5.4.0-20170218" if BR2_GCC_VERSION_OR1K |
| |
| 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 |
| 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 |
