8d9557fd1a
In order to add gcc 13 support for internal and external toolchain in follow-up commits, introduce BR2_TOOLCHAIN_GCC_AT_LEAST_13 symbol. Signed-off-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
893 lines
26 KiB
Plaintext
893 lines
26 KiB
Plaintext
menu "Toolchain"
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# Invisible option that makes sure the toolchain package always gets
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# built
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config BR2_TOOLCHAIN
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bool
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default y
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# Should be selected for glibc or eglibc
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config BR2_TOOLCHAIN_USES_GLIBC
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bool
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select BR2_USE_WCHAR
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select BR2_ENABLE_LOCALE
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select BR2_TOOLCHAIN_HAS_FULL_GETTEXT
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select BR2_TOOLCHAIN_HAS_THREADS
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select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
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select BR2_TOOLCHAIN_HAS_THREADS_NPTL
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select BR2_TOOLCHAIN_HAS_UCONTEXT
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select BR2_TOOLCHAIN_SUPPORTS_PIE
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config BR2_TOOLCHAIN_USES_UCLIBC
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bool
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# ucontext is only available for a subset of the supported
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# architectures
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select BR2_TOOLCHAIN_HAS_UCONTEXT if BR2_ARM_CPU_HAS_ARM || BR2_i386 \
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|| BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el \
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|| BR2_sparc || BR2_x86_64
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select BR2_TOOLCHAIN_SUPPORTS_PIE if !BR2_m68k && !BR2_microblaze && !BR2_STATIC_LIBS
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config BR2_TOOLCHAIN_USES_MUSL
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bool
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select BR2_USE_WCHAR
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select BR2_ENABLE_LOCALE
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select BR2_TOOLCHAIN_HAS_THREADS
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select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
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select BR2_TOOLCHAIN_HAS_THREADS_NPTL
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select BR2_TOOLCHAIN_HAS_UCONTEXT
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select BR2_TOOLCHAIN_SUPPORTS_PIE if !BR2_STATIC_LIBS
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choice
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prompt "Toolchain type"
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help
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Select whether to use the toolchain provided by buildroot
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or an external toolchain.
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Some vendors provide toolchains in binary form, some in
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source form.
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config BR2_TOOLCHAIN_BUILDROOT
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bool "Buildroot toolchain"
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depends on BR2_ARCH_HAS_TOOLCHAIN_BUILDROOT
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config BR2_TOOLCHAIN_EXTERNAL
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bool "External toolchain"
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help
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Select if you want to use an existing cross-compiling
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toolchain. Buildroot can either download automatically a
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toolchain, or use an already installed toolchain.
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endchoice
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source "toolchain/toolchain-buildroot/Config.in"
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source "toolchain/toolchain-external/Config.in"
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# 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 "package/gdb/Config.in.host"
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comment "Toolchain Generic Options"
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# https://sourceware.org/bugzilla/show_bug.cgi?id=27597
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# Affect toolchains built with binutils 2.36.1, still not fixed.
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config BR2_TOOLCHAIN_HAS_BINUTILS_BUG_27597
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bool
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default y if BR2_nios2
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# Atomic types can be:
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# - never lock-free
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# - sometimes lock-free
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# - always lock-free
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# see https://en.cppreference.com/w/c/atomic/ATOMIC_LOCK_FREE_consts
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#
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# On most architectures, gcc provides "always lock-free" atomic types,
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# but a few architectures are limited to "sometimes lock-free"
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# types. This hidden option allows to know if the architecture
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# provides "always lock-free" atomic types.
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config BR2_TOOLCHAIN_SUPPORTS_ALWAYS_LOCKFREE_ATOMIC_INTS
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bool
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default y
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depends on !BR2_nios2
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depends on !BR2_ARM_CPU_ARMV4
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depends on !BR2_ARM_CPU_ARMV5
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depends on !BR2_sparc_v8
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depends on !BR2_m68k_cf5208
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# GCC uses thunk functions to adjust the 'this' pointer when calling
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# C++ member functions in classes derived with multiple inheritance.
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# Generation of thunk functions requires support from the compiler
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# back end. In the absence of that support target-independent code
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# in the C++ front end is used to generate thunk functions, but it
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# does not support vararg functions.
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# or1k will support it in the gcc mainline starting with gcc-9.
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config BR2_TOOLCHAIN_SUPPORTS_VARIADIC_MI_THUNK
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bool
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default y
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depends on !BR2_or1k
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depends on !BR2_xtensa
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43744. This bug
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# reappeared on gcc 9.x and is still not fixed on gcc 11.x
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config BR2_TOOLCHAIN_HAS_GCC_BUG_43744
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bool
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default y if !BR2_TOOLCHAIN_GCC_AT_LEAST_8
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default y if BR2_TOOLCHAIN_GCC_AT_LEAST_9
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depends on BR2_sh
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63261. This bug no
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# longer exists in gcc 8.x.
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config BR2_TOOLCHAIN_HAS_GCC_BUG_63261
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bool
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default y if BR2_microblaze
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depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_8
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# Prior to gcc 7.x, exception_ptr, nested_exception and future from
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# libstdc++ would only be provided on architectures that support
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# always lock-free atomic ints. See
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64735. This issue has
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# been removed in GCC 7.x, where exception propagation is now
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# supported without lock-free atomic int.
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config BR2_TOOLCHAIN_HAS_GCC_BUG_64735
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bool
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default y if !BR2_TOOLCHAIN_SUPPORTS_ALWAYS_LOCKFREE_ATOMIC_INTS && \
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!BR2_TOOLCHAIN_GCC_AT_LEAST_7
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. This bug still
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# exists in gcc 12.x
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config BR2_TOOLCHAIN_HAS_GCC_BUG_68485
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bool
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default y if BR2_microblaze
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81426
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config BR2_TOOLCHAIN_HAS_GCC_BUG_81426
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bool
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default y if BR2_sh
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83143
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# Error: invalid operands (*UND* and .text sections) for `-' on sh4.
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# This bug no longer exists in gcc 10.x but reappeared on gcc 11.x and
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# it still not been fixed yet.
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config BR2_TOOLCHAIN_HAS_GCC_BUG_83143
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bool
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default y if !BR2_TOOLCHAIN_GCC_AT_LEAST_10
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default y if BR2_TOOLCHAIN_GCC_AT_LEAST_11
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depends on BR2_sh
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180. This bug no
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# longer exists in gcc 8.x.
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config BR2_TOOLCHAIN_HAS_GCC_BUG_85180
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bool
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default y if BR2_microblaze
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depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_8
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
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# An infinite loop exists in the find_base_term() logic of 6.x
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# on microblaze. http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df/
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config BR2_TOOLCHAIN_HAS_GCC_BUG_85862
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bool
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default y if BR2_microblaze
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depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_7
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90620
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# ICE: in do_output_reload, at reload1.c:7978 on microblaze.
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# This bug no longer exists in gcc 10.x but reappeared in gcc 11.x
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config BR2_TOOLCHAIN_HAS_GCC_BUG_90620
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bool
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default y if BR2_microblaze
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depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_10 \
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|| BR2_TOOLCHAIN_GCC_AT_LEAST_11
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93847
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# ICE: compiler error: Segmentation fault on Nios II. This bug
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# no longer exists in gcc 9.x.
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config BR2_TOOLCHAIN_HAS_GCC_BUG_93847
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bool
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default y if BR2_nios2 && !BR2_TOOLCHAIN_GCC_AT_LEAST_9
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99410
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# Error: branch offset out of range on Nios II. This bug
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# no longer exists in gcc 8.x but reappeared on gcc 9.x and still exists
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# on gcc 12.x
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config BR2_TOOLCHAIN_HAS_GCC_BUG_99410
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bool
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default y if !BR2_TOOLCHAIN_GCC_AT_LEAST_8
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default y if BR2_TOOLCHAIN_GCC_AT_LEAST_9
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depends on BR2_nios2
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101737
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# ICE: SH4 -Os causes internal compiler error. This bug
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# still exists in gcc = 11.1.0
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config BR2_TOOLCHAIN_HAS_GCC_BUG_101737
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bool
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default y if BR2_sh
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101915
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# ICE: in extract_insn, at recog.c:2294 on microblaze.
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# This bug still exists in gcc = 12.1.0
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config BR2_TOOLCHAIN_HAS_GCC_BUG_101915
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bool
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default y if BR2_microblaze
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101916
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# ICE: on SH4: Segmentation fault signal terminated program cc1.
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# This bug still exists in gcc = 11.1.0
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config BR2_TOOLCHAIN_HAS_GCC_BUG_101916
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bool
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default y if BR2_sh4
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101952
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# ICE: on SH4: unaligned opcodes detected in executable segment.
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# This bug still exists in gcc = 11.1.0
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config BR2_TOOLCHAIN_HAS_GCC_BUG_101952
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bool
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default y if BR2_sh4
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104028
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# ICE: on M68K: Error: value -16034 out of range
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# This bug still exists in gcc = 11.1.0
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config BR2_TOOLCHAIN_HAS_GCC_BUG_104028
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bool
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default y if BR2_m68k
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107728
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# https://sourceware.org/bugzilla/show_bug.cgi?id=29621
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config BR2_TOOLCHAIN_HAS_GCC_BUG_107728
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bool
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default y if BR2_microblazebe || BR2_microblazeel \
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|| BR2_mips || BR2_mipsel \
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|| BR2_nios2 \
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|| BR2_or1k \
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|| BR2_sh
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depends on BR2_TOOLCHAIN_USES_GLIBC
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depends on BR2_OPTIMIZE_0
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config BR2_TOOLCHAIN_HAS_NATIVE_RPC
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bool
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config BR2_USE_WCHAR
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bool
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config BR2_ENABLE_LOCALE
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bool
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config BR2_INSTALL_LIBSTDCPP
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bool
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config BR2_TOOLCHAIN_HAS_DLANG
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bool
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config BR2_TOOLCHAIN_HAS_FORTRAN
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bool
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config BR2_TOOLCHAIN_HAS_THREADS
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bool
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config BR2_TOOLCHAIN_HAS_THREADS_DEBUG
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bool
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config BR2_TOOLCHAIN_HAS_THREADS_NPTL
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bool
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config BR2_TOOLCHAIN_HAS_SSP
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bool
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config BR2_TOOLCHAIN_HAS_SSP_STRONG
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bool
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default y if BR2_TOOLCHAIN_HAS_SSP && BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
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config BR2_TOOLCHAIN_HAS_UCONTEXT
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bool
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config BR2_TOOLCHAIN_HAS_OPENMP
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bool
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config BR2_TOOLCHAIN_SUPPORTS_PIE
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bool
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config BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_COPY
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bool "Copy gconv libraries"
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depends on BR2_TOOLCHAIN_USES_GLIBC
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help
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The gconv libraries are used to convert between different
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character sets (charsets).
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Say 'y' if you need to store and/or display different
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charsets.
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config BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_LIST
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string "Gconv libraries to copy"
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depends on BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_COPY
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help
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Set to the list of gconv libraries to copy.
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Leave empty to copy all gconv libraries.
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Specify only the basename of the libraries, leave
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out the .so extension. Eg.:
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IBM850 ISO8859-15 UNICODE
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Note: the full set of gconv libs are ~8MiB (on ARM).
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config BR2_TOOLCHAIN_EXTRA_LIBS
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string "Extra toolchain libraries to be copied to target"
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default BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS if BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS != "" # legacy
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depends on !BR2_STATIC_LIBS
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help
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If your toolchain provides extra libraries that need to be
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copied to the target filesystem, enter them here, separated
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by spaces. The library should not include a suffix or any
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type of pre/post wildcard.
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Examples where this can be useful is for adding debug
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libraries to the target like the GCC libsanitizer.
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e.g. "libasan liblsan libtsan libubsan"
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# This boolean is true if the toolchain provides a built-in full
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# featured gettext implementation (glibc), and false if only a stub
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# gettext implementation is provided (uclibc, musl)
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config BR2_TOOLCHAIN_HAS_FULL_GETTEXT
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bool
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config BR2_TARGET_OPTIMIZATION
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string "Target Optimizations"
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default ""
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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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config BR2_TARGET_LDFLAGS
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string "Target linker options"
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help
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Extra options to pass to the linker when building for the
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target.
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Note that options with a '$' sign (eg.
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-Wl,-rpath='$ORIGIN/../lib') are not supported.
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# Options for packages to depend on, if they require at least a
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# specific version of the kernel headers.
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# Toolchains should choose the adequate option (ie. the highest
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# version, not all of them).
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0
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bool
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_1
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_1
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_4
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_5
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_4
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_6
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_5
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_6
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_8
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_9
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_8
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_9
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_11
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_11
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_19
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_19
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_1
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_2
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_1
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_3
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_2
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_3
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6
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bool
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select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5
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config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_7
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bool
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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
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_16
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_15
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_17
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_16
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_18
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_17
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_19
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_18
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_19
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_1
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_2
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_1
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_3
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_2
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_4
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_3
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_5
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_4
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_6
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_5
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_7
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_6
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_8
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_7
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_9
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_8
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_10
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_9
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_11
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_10
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_12
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_11
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_13
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_12
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_14
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_13
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_15
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_14
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_16
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_15
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_17
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_16
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_18
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_17
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_19
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_18
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_0
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_19
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_1
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_0
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_2
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_1
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_3
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_2
|
|
|
|
config BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_4
|
|
bool
|
|
select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_3
|
|
select BR2_TOOLCHAIN_HEADERS_LATEST
|
|
|
|
# This should be selected by the latest version, above, to indicate that
|
|
# Buildroot does not know of more recent headers than the ones selected.
|
|
# This allows using toolchains with headers more recent than Buildroot
|
|
# knows about, while still enforcing strict check for older headers.
|
|
config BR2_TOOLCHAIN_HEADERS_LATEST
|
|
bool
|
|
|
|
# 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 "6.4" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_4
|
|
default "6.3" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_3
|
|
default "6.2" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_2
|
|
default "6.1" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_1
|
|
default "6.0" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_0
|
|
default "5.19" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_19
|
|
default "5.18" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_18
|
|
default "5.17" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_17
|
|
default "5.16" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_16
|
|
default "5.15" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_15
|
|
default "5.14" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_14
|
|
default "5.13" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_13
|
|
default "5.12" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_12
|
|
default "5.11" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_11
|
|
default "5.10" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_10
|
|
default "5.9" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_9
|
|
default "5.8" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_8
|
|
default "5.7" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_7
|
|
default "5.6" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_6
|
|
default "5.5" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_5
|
|
default "5.4" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_4
|
|
default "5.3" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_3
|
|
default "5.2" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_2
|
|
default "5.1" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_1
|
|
default "5.0" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
|
|
default "4.20" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20
|
|
default "4.19" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_19
|
|
default "4.18" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_18
|
|
default "4.17" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_17
|
|
default "4.16" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_16
|
|
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
|
|
|
|
config BR2_TOOLCHAIN_GCC_AT_LEAST_8
|
|
bool
|
|
select BR2_TOOLCHAIN_GCC_AT_LEAST_7
|
|
|
|
config BR2_TOOLCHAIN_GCC_AT_LEAST_9
|
|
bool
|
|
select BR2_TOOLCHAIN_GCC_AT_LEAST_8
|
|
|
|
config BR2_TOOLCHAIN_GCC_AT_LEAST_10
|
|
bool
|
|
select BR2_TOOLCHAIN_GCC_AT_LEAST_9
|
|
|
|
config BR2_TOOLCHAIN_GCC_AT_LEAST_11
|
|
bool
|
|
select BR2_TOOLCHAIN_GCC_AT_LEAST_10
|
|
|
|
config BR2_TOOLCHAIN_GCC_AT_LEAST_12
|
|
bool
|
|
select BR2_TOOLCHAIN_GCC_AT_LEAST_11
|
|
|
|
config BR2_TOOLCHAIN_GCC_AT_LEAST_13
|
|
bool
|
|
select BR2_TOOLCHAIN_GCC_AT_LEAST_12
|
|
|
|
# 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 "13" if BR2_TOOLCHAIN_GCC_AT_LEAST_13
|
|
default "12" if BR2_TOOLCHAIN_GCC_AT_LEAST_12
|
|
default "11" if BR2_TOOLCHAIN_GCC_AT_LEAST_11
|
|
default "10" if BR2_TOOLCHAIN_GCC_AT_LEAST_10
|
|
default "9" if BR2_TOOLCHAIN_GCC_AT_LEAST_9
|
|
default "8" if BR2_TOOLCHAIN_GCC_AT_LEAST_8
|
|
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_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_EXTERNAL_CODESOURCERY_AARCH64 && \
|
|
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
|
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# intrinsics might be built-in. The only case where libatomic is
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# missing entirely is when the toolchain does not have support for
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# threads. However, a package that does not need threads but still
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# uses atomics is quite a corner case, which does not warrant the
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# added complexity.
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# - with gcc 4.7, libatomic did not exist, so only built-ins are
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# available. This means that __atomic can only be used in a subset
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# of the architectures
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config BR2_TOOLCHAIN_HAS_ATOMIC
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bool
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default y if BR2_TOOLCHAIN_HAS_LIBATOMIC
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default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_arm
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default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_armeb
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default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_xtensa
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default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_ARCH_IS_64
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# - libquadmath is not needed/available on all architectures (but gcc
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# correctly handles this already).
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# - At least, libquadmath is available on:
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# - i*86
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# - x86_64
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# - PowerPC with vector scalar (VSX) instruction set
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# - When available, libquadmath requires wchar support.
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config BR2_TOOLCHAIN_HAS_LIBQUADMATH
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bool
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default y if BR2_i386 || BR2_x86_64
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default y if BR2_POWERPC_CPU_HAS_VSX
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endmenu
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