![Petri Gynther](/assets/img/avatar_default.png)
Add (or move) comment lines in toolchain-related Config.in files to improve readability of the toolchain config section. Source linux-headers/Config.in.host after toolchain-buildroot items. For toolchain-buildroot case, the config file now looks like this: * * Toolchain * * * Toolchain Buildroot Options * * * Kernel Header Options * * * uClibc Options * * * Binutils Options * * * GCC Options * * * Host GDB Options * * * Toolchain Generic Options * Signed-off-by: Petri Gynther <pgynther@google.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
420 lines
12 KiB
Plaintext
420 lines
12 KiB
Plaintext
# 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=19405
|
|
config BR2_TOOLCHAIN_HAS_BINUTILS_BUG_19405
|
|
bool
|
|
|
|
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).
|
|
|
|
# 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
|
|
|
|
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
|
|
|
|
# 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 "4.8" 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
|
|
|
|
# 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 "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_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
|