f4ffc04bbd
The problem fixed by 60f945e47a is in
fact not limited to the AVR32 architecture, as reported by Will Newton
on the list. The issue is the combination uClibc 0.9.31 with gcc 4.2,
C++ support and locales.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
177 lines
6.1 KiB
Plaintext
177 lines
6.1 KiB
Plaintext
# Generic toolchain options
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# we want gdb config in the middle of both source and external
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# toolchains, but mconf won't let us source the same file twice,
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# so put it here instead
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source "toolchain/gdb/Config.in"
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comment "Common Toolchain Options"
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config BR2_LARGEFILE
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bool "Enable large file (files > 2 GB) support?"
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depends on !BR2_cris
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help
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If you are building your own toolchain and you want to
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support files larger than 2GB then enable this option.
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If you have an external binary toolchain that has been
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built with large file support (files > 2GB) then enable
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this option.
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config BR2_INET_IPV6
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bool "Enable IPv6"
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help
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If you are building your own toolchain and you want to
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enable IPV6 support then enable this option.
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If you have an external binary toolchain that has been
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built with IPV6 support then enable this option.
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config BR2_INET_RPC
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bool "Enable RPC"
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help
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Enable RPC. RPC support is needed for nfs.
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If you are building your own toolchain and you want to
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enable RPC support then enable this option.
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If you have an external binary toolchain that has been
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built with RPC support then enable this option.
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config BR2_ENABLE_LOCALE
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bool "Enable toolchain locale/i18n support?"
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select BR2_USE_WCHAR
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help
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If you are building your own toolchain and you want to
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enable locale/i18n support then enable this option.
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If you have an external binary toolchain that has been
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built with locale/i18n support then enable this option.
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config BR2_ENABLE_LOCALE_PURGE
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bool "Purge unwanted locales"
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help
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Explicitly specify what locales to install on target. If N
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then all locales supported by packages are installed.
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config BR2_ENABLE_LOCALE_WHITELIST
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string "Locales to keep"
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default "C en_US de fr"
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depends on BR2_ENABLE_LOCALE_PURGE
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help
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Whitespace seperated list of locales to allow on target.
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Locales not listed here will be removed from the target.
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See 'locale -a' on your host for a list of locales available
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on your build host, or have a look in /usr/share/locale in
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the target file system for available locales.
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Notice that listing a locale here doesn't guarantee that it
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will be available on the target - That purely depends on the
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support for that locale in the selected packages.
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# glibc and eglibc directly include gettext, so a separatly compiled
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# gettext isn't needed and shouldn't be built to avoid conflicts. Some
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# packages always need gettext, other packages only need gettext when
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# locale support is enabled. See the documentation for how packages
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# should rely on the following two options.
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config BR2_NEEDS_GETTEXT
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bool
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default y if BR2_TOOLCHAIN_BUILDROOT
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default y if BR2_TOOLCHAIN_EXTERNAL_UCLIBC
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config BR2_NEEDS_GETTEXT_IF_LOCALE
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bool
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default y if (BR2_NEEDS_GETTEXT && BR2_ENABLE_LOCALE)
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config BR2_USE_WCHAR
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bool "Enable WCHAR support"
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help
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If you are building your own toolchain and you want to
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enable WCHAR support then enable this option.
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If you have an external binary toolchain that has been built
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with WCHAR support then enable this option.
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config BR2_PREFER_SOFT_FLOAT
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bool
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default y if BR2_arm || BR2_armeb || BR2_avr32 || BR2_mips || BR2_mipsel
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config BR2_SOFT_FLOAT
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bool "Use software floating point by default"
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depends on BR2_arm || BR2_armeb || BR2_avr32 || BR2_mips || BR2_mipsel || BR2_powerpc
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default $(BR2_PREFER_SOFT_FLOAT)
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help
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If your target CPU does not have a Floating Point Unit (FPU) or a
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kernel FPU emulator, but you still wish to support floating point
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functions, then everything will need to be compiled with soft
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floating point support (-msoft-float).
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config BR2_USE_SSP
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bool "Enable stack protection support"
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help
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Enable stack smashing protection support using GCCs
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-fstack-protector[-all] option.
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See http://www.linuxfromscratch.org/hints/downloads/files/ssp.txt
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for details.
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choice
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prompt "Thread library implementation"
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default BR2_PTHREADS_OLD
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help
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If you are building your own toolchain then select the type of
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libpthreads you want to use.
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Not all thread variants work with all versions of uClibc,
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the "linuxthreads (stable/old)" may be a working fallback
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if you need threading at all.
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If you have an external binary toolchain then select the type
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of libpthreads it was built with.
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config BR2_PTHREADS_NONE
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bool "none"
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config BR2_PTHREADS
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bool "linuxthreads"
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config BR2_PTHREADS_OLD
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bool "linuxthreads (stable/old)"
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config BR2_PTHREADS_NATIVE
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bool "Native POSIX Threading (NPTL)"
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depends on BR2_UCLIBC_VERSION_SNAPSHOT
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endchoice
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config BR2_PROGRAM_INVOCATION
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bool "Enable 'program invocation name'"
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help
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Support for the GNU-specific program_invocation_name and
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program_invocation_short_name strings. Some GNU packages
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(like tar and coreutils) utilize these for extra useful
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output, but in general are not required.
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If you have an external binary toolchain that has been built
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with program invocation support then enable this option.
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config BR2_GCC_CROSS_CXX
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bool
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help
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If you are building your own toolchain and want to build
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a C++ cross-compiler this needs to be enabled.
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If you have an external binary toolchain that has a C++ compiler
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and you want to use it then you need to enable this option.
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config BR2_INSTALL_LIBSTDCPP
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bool "Build/install c++ compiler and libstdc++?"
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select BR2_GCC_CROSS_CXX
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depends on !(! BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE && BR2_ENABLE_LOCALE && BR2_UCLIBC_VERSION_0_9_31)
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help
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If you are building your own toolchain and want to build and install
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the C++ compiler and library then you need to enable this option.
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If you have an external toolchain that has been built with C++
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support and you want to use the compiler / library then you need
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to select this option.
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comment "C++ support broken in uClibc 0.9.31 with locale enabled with gcc 4.2"
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depends on !BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE && BR2_ENABLE_LOCALE && BR2_UCLIBC_VERSION_0_9_31
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config BR2_TARGET_OPTIMIZATION
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string "Target Optimizations"
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default "-pipe"
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help
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Optimizations to use when building for the target host.
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NOTE: gcc optimization level is defined in build options.
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