diff options
Diffstat (limited to 'toolchain/Config.in')
| -rw-r--r-- | toolchain/Config.in | 471 |
1 files changed, 470 insertions, 1 deletions
diff --git a/toolchain/Config.in b/toolchain/Config.in index bf1166b601..91035c71d7 100644 --- a/toolchain/Config.in +++ b/toolchain/Config.in @@ -56,6 +56,475 @@ endchoice source "toolchain/toolchain-buildroot/Config.in" source "toolchain/toolchain-external/Config.in" -source "toolchain/toolchain-common.in" + +# 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" + +comment "Toolchain Generic Options" + +# https://sourceware.org/bugzilla/show_bug.cgi?id=19615 +# Affect toolchains built with binutils 2.26 (fixed in binutils 2.26.1). +config BR2_TOOLCHAIN_HAS_BINUTILS_BUG_19615 + bool + +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64735 +# exception_ptr, nested_exception, and future from libstdc++ are not +# available for architectures not supporting always lock-free atomic +# ints before GCC 7 +config BR2_TOOLCHAIN_HAS_GCC_BUG_64735 + bool + default y if BR2_nios2 + default y if BR2_ARM_CPU_ARMV4 + default y if BR2_ARM_CPU_ARMV5 + default y if BR2_sparc_v8 + default y if BR2_m68k_cf5208 + depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_7 + +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_FORTRAN + 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_TOOLCHAIN_SUPPORTS_PIE + bool + +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). + +# This boolean is true if the toolchain provides a built-in full +# featured gettext implementation (glibc), and false if only a stub +# gettext implementation is provided (uclibc, musl) +config BR2_TOOLCHAIN_HAS_FULL_GETTEXT + bool + +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 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_7 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_8 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_7 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_9 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_8 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_10 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_9 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_11 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_10 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_12 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_11 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_12 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_14 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13 + +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_15 + bool + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_14 + +# 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 "4.15" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_15 + default "4.14" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_14 + default "4.13" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13 + default "4.12" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_12 + default "4.11" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_11 + default "4.10" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_10 + default "4.9" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_9 + default "4.8" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_8 + default "4.7" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_7 + default "4.6" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6 + default "4.5" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5 + 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 + +config BR2_TOOLCHAIN_GCC_AT_LEAST_6 + bool + select BR2_TOOLCHAIN_GCC_AT_LEAST_5 + +config BR2_TOOLCHAIN_GCC_AT_LEAST_7 + bool + select BR2_TOOLCHAIN_GCC_AT_LEAST_6 + +# 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 "7" if BR2_TOOLCHAIN_GCC_AT_LEAST_7 + default "6" if BR2_TOOLCHAIN_GCC_AT_LEAST_6 + 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_MNAN_OPTION + bool + default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 + +config BR2_TOOLCHAIN_HAS_SYNC_1 + bool + default y + depends on !BR2_bfin + depends on !BR2_m68k_cf + 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_m68k_cf + depends on !BR2_sparc + 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_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 + +# libatomic is available since gcc 4.8, when thread support is +# enabled. Also, libatomic doesn't recognize "uclinux" as a valid OS +# part of the tuple, and is therefore not build on uclinux targets, +# which is why BR2_BINFMT_FLAT configurations are excluded. +config BR2_TOOLCHAIN_HAS_LIBATOMIC + bool + default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 && \ + BR2_TOOLCHAIN_HAS_THREADS && \ + !BR2_BINFMT_FLAT + +# __atomic intrinsics are available: +# - with gcc 4.8, either through built-ins or libatomic, on all +# architectures. Since we don't want to separate the cases where +# libatomic is needed vs. not needed, we simplify thing and only +# support situations where libatomic is available, even if on some +# architectures libatomic is not strictly needed as all __atomic +# intrinsics might be built-in. The only case where libatomic is +# missing entirely is when the toolchain does not have support for +# threads. However, a package that does not need threads but still +# uses atomics is quite a corner case, which does not warrant the +# added complexity. +# - 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_HAS_LIBATOMIC + 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 + +# - libquadmath is not needed/available on all architectures (but gcc +# correctly handles this already). +# - At least, libquadmath is available on: +# - i*86 +# - x86_64 +# - When available, libquadmath requires wchar support. +config BR2_TOOLCHAIN_HAS_LIBQUADMATH + bool + default y if BR2_i386 || BR2_x86_64 endmenu |
