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_6_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" # Broken or unsupported architectures depends on !BR2_or1k select BR2_TOOLCHAIN_GCC_AT_LEAST_7 endchoice # Indicates if GCC for architecture supports --with-{arch,cpu,..} to # set default CFLAGS, otherwise values will be used by toolchain # wrapper. config BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS bool default y if !BR2_bfin 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 "arc-2017.09-release" if BR2_GCC_VERSION_ARC default "musl-5.4.0" 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