| # Generic toolchain options |
| |
| # we want gdb config in the middle of both source and external |
| # toolchains, but mconf won't let us source the same file twice, |
| # so put it here instead |
| source "package/gdb/Config.in.host" |
| |
| config BR2_TOOLCHAIN_HAS_NATIVE_RPC |
| bool |
| |
| config BR2_USE_WCHAR |
| bool |
| |
| config BR2_ENABLE_LOCALE |
| bool |
| |
| config BR2_INSTALL_LIBSTDCPP |
| bool |
| |
| config BR2_TOOLCHAIN_HAS_THREADS |
| bool |
| |
| config BR2_TOOLCHAIN_HAS_THREADS_DEBUG |
| bool |
| |
| config BR2_TOOLCHAIN_HAS_THREADS_NPTL |
| bool |
| |
| config BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS |
| bool |
| |
| config BR2_TOOLCHAIN_HAS_SSP |
| bool |
| |
| config BR2_ENABLE_LOCALE_PURGE |
| bool "Purge unwanted locales" |
| help |
| Explicitly specify what locales to install on target. If N |
| then all locales supported by packages are installed. |
| |
| config BR2_ENABLE_LOCALE_WHITELIST |
| string "Locales to keep" |
| default "C en_US de fr" |
| depends on BR2_ENABLE_LOCALE_PURGE |
| help |
| Whitespace seperated list of locales to allow on target. |
| Locales not listed here will be removed from the target. |
| See 'locale -a' on your host for a list of locales available |
| on your build host, or have a look in /usr/share/locale in |
| the target file system for available locales. |
| |
| Notice that listing a locale here doesn't guarantee that it |
| will be available on the target - That purely depends on the |
| support for that locale in the selected packages. |
| |
| config BR2_GENERATE_LOCALE |
| string "Generate locale data" |
| default "" |
| depends on \ |
| (BR2_TOOLCHAIN_BUILDROOT_UCLIBC && BR2_ENABLE_LOCALE) || \ |
| BR2_TOOLCHAIN_USES_GLIBC |
| help |
| Generate support for a list of locales. Locales can be |
| specified with or without encoding, when no encoding is |
| specified, UTF-8 is assumed. Examples of locales: en_US, |
| fr_FR.UTF-8. |
| |
| config BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_COPY |
| bool "Copy gconv libraries" |
| depends on BR2_TOOLCHAIN_USES_GLIBC |
| help |
| The gconv libraries are used to convert between different |
| character sets (charsets). |
| |
| Say 'y' if you need to store and/or display different charsets. |
| |
| config BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_LIST |
| string "Gconv libraries to copy" |
| depends on BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_COPY |
| help |
| Set to the list of gconv libraries to copy. |
| Leave empty to copy all gconv libraries. |
| |
| Specify only the basename of the libraries, leave |
| out the .so extension. Eg.: |
| IBM850 ISO8859-15 UNICODE |
| |
| Note: the full set of gconv libs are ~8MiB (on ARM). |
| |
| # glibc and eglibc directly include gettext, so a separatly compiled |
| # gettext isn't needed and shouldn't be built to avoid conflicts. Some |
| # packages always need gettext, other packages only need gettext when |
| # locale support is enabled. See the documentation for how packages |
| # should rely on the following two options. |
| |
| config BR2_NEEDS_GETTEXT |
| bool |
| default y if BR2_TOOLCHAIN_USES_UCLIBC |
| |
| config BR2_NEEDS_GETTEXT_IF_LOCALE |
| bool |
| default y if (BR2_NEEDS_GETTEXT && BR2_ENABLE_LOCALE) |
| |
| config BR2_USE_MMU |
| bool "Enable MMU support" if BR2_ARCH_HAS_MMU_OPTIONAL |
| default y if BR2_ARCH_HAS_MMU_OPTIONAL || BR2_ARCH_HAS_MMU_MANDATORY |
| help |
| If your target has a MMU, you should say Y here. If you |
| are unsure, just say Y. |
| |
| config BR2_TARGET_OPTIMIZATION |
| string "Target Optimizations" |
| default "" |
| help |
| Optimizations to use when building for the target host. |
| NOTE: gcc optimization level is defined in build options. |
| |
| config BR2_TARGET_LDFLAGS |
| string "Target linker options" |
| help |
| Extra options to pass to the linker when building for the target. |
| |
| Note that options with a '$' sign (eg. -Wl,-rpath='$ORIGIN/../lib') |
| are not supported. |
| |
| config BR2_ECLIPSE_REGISTER |
| bool "Register toolchain within Eclipse Buildroot plug-in" |
| help |
| This options tells Buildroot to generate the necessary |
| configuration files to make your toolchain appear within |
| Eclipse, through the Eclipse Buildroot plugin. |
| |
| # Options for packages to depend on, if they require at least a |
| # specific version of the kernel headers. |
| # Toolchains should choose the adequate option (ie. the highest |
| # version, not all of them). |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 |
| bool |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_1 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_1 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_4 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_5 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_4 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_6 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_5 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_6 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_8 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_9 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_8 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_9 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_11 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_11 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_19 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_19 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_1 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_2 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_1 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_3 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_2 |
| |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4 |
| bool |
| select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_3 |
| |
| # This order guarantees that the highest version is set, as kconfig |
| # stops affecting a value on the first matching default. |
| config BR2_TOOLCHAIN_HEADERS_AT_LEAST |
| string |
| default "4.4" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4 |
| default "4.3" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_3 |
| default "4.2" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_2 |
| default "4.1" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_1 |
| default "4.0" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0 |
| default "3.19" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_19 |
| default "3.18" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18 |
| default "3.17" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17 |
| default "3.16" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16 |
| default "3.15" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15 |
| default "3.14" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14 |
| default "3.13" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13 |
| default "3.12" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 |
| default "3.11" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_11 |
| default "3.10" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10 |
| default "3.9" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_9 |
| default "3.8" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_8 |
| default "3.7" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7 |
| default "3.6" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_6 |
| default "3.5" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_5 |
| default "3.4" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_4 |
| default "3.3" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3 |
| default "3.2" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2 |
| default "3.1" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_1 |
| default "3.0" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 |
| default "2.6" |
| |
| config BR2_TOOLCHAIN_GCC_AT_LEAST_4_3 |
| bool |
| |
| config BR2_TOOLCHAIN_GCC_AT_LEAST_4_4 |
| bool |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_4_3 |
| |
| config BR2_TOOLCHAIN_GCC_AT_LEAST_4_5 |
| bool |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_4_4 |
| |
| config BR2_TOOLCHAIN_GCC_AT_LEAST_4_6 |
| bool |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_4_5 |
| |
| config BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 |
| bool |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_4_6 |
| |
| config BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 |
| bool |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 |
| |
| config BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 |
| bool |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 |
| |
| config BR2_TOOLCHAIN_GCC_AT_LEAST_5 |
| bool |
| select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 |
| |
| # This order guarantees that the highest version is set, as kconfig |
| # stops affecting a value on the first matching default. |
| config BR2_TOOLCHAIN_GCC_AT_LEAST |
| string |
| default "5" if BR2_TOOLCHAIN_GCC_AT_LEAST_5 |
| default "4.9" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 |
| default "4.8" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 |
| default "4.7" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 |
| default "4.6" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_6 |
| default "4.5" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_5 |
| default "4.4" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_4 |
| default "4.3" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_3 |
| |
| config BR2_TOOLCHAIN_HAS_SYNC_1 |
| bool |
| default y |
| depends on !BR2_x86_i386 |
| depends on !BR2_bfin |
| depends on !BR2_microblaze |
| depends on !BR2_sparc |
| depends on !(BR2_arc && !BR2_ARC_ATOMIC_EXT) |
| |
| config BR2_TOOLCHAIN_HAS_SYNC_2 |
| bool |
| default y if BR2_TOOLCHAIN_HAS_SYNC_1 |
| |
| config BR2_TOOLCHAIN_HAS_SYNC_4 |
| bool |
| default y |
| depends on !BR2_sparc |
| depends on !BR2_x86_i386 |
| depends on !(BR2_arc && !BR2_ARC_ATOMIC_EXT) |
| |
| # The availability of __sync for 8-byte types on ARM is somewhat |
| # complicated: |
| # |
| # - It appeared in gcc starting with gcc 4.7. |
| # |
| # - On ARMv7, there is no problem, it can be directly implemented in |
| # userspace. |
| # |
| # - On < ARMv7, it requires help from the kernel. Unfortunately, the |
| # libgcc code implementing 8-byte __sync with the help from the |
| # kernel calls __write() when a failure occurs, which is a function |
| # internal to glibc, not available in uClibc and musl. This means |
| # that the 8-byte __sync operations are not available on < ARMv7 |
| # with uClibc and musl. This problem was fixed as part of gcc |
| # PR68059, which was backported to the gcc 5 branch, but isn't yet |
| # part of any gcc 5.x release. |
| # |
| config BR2_TOOLCHAIN_ARM_HAS_SYNC_8 |
| bool |
| default y |
| depends on BR2_arm || BR2_armeb |
| depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 |
| depends on BR2_TOOLCHAIN_USES_GLIBC || BR2_ARM_CPU_ARMV7A |
| |
| # 8-byte intrinsics available on most x86 CPUs, except a few old ones |
| config BR2_TOOLCHAIN_X86_HAS_SYNC_8 |
| bool |
| default y |
| depends on BR2_i386 |
| depends on !BR2_x86_i386 |
| depends on !BR2_x86_i486 |
| depends on !BR2_x86_c3 |
| depends on !BR2_x86_winchip_c6 |
| depends on !BR2_x86_winchip2 |
| |
| # 8-byte intrinsics available: |
| # - On all 64 bits architecture |
| # - On a certain combinations of ARM platforms |
| # - On certain x86 32 bits CPUs |
| config BR2_TOOLCHAIN_HAS_SYNC_8 |
| bool |
| default y if BR2_ARCH_IS_64 |
| default y if BR2_TOOLCHAIN_ARM_HAS_SYNC_8 |
| default y if BR2_TOOLCHAIN_X86_HAS_SYNC_8 |
| |
| # __atomic intrinsics are available: |
| # - with gcc 4.8, either through built-ins or libatomic, on all |
| # architectures |
| # - with gcc 4.7, libatomic did not exist, so only built-ins are |
| # available. This means that __atomic can only be used in a subset |
| # of the architectures |
| config BR2_TOOLCHAIN_HAS_ATOMIC |
| bool |
| default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 |
| default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_arm |
| default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_armeb |
| default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_xtensa |
| default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_ARCH_IS_64 |
