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cuiziwei
f17b82bd65
This patch adds support for building libsupc++ (the C++ runtime support library from GCC's libstdc++-v3). libsupc++ provides core C++ runtime support including: - Exception handling (eh_*.cc) - RTTI (Run-Time Type Information) - Memory allocation operators (new/delete) - Type info support The implementation includes: - libsupc++.defs for libsupc++ build integration - support make and cmake build - Use gthr.h, gthr-posix.h and unwind-pe.h from libgcc - LIBSTDCXX_VERSION config option with default 14.2.0 Signed-off-by: cuiziwei <cuiziwei@xiaomi.com>
162 lines
3.5 KiB
Plaintext
162 lines
3.5 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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comment "Basic CXX Support"
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config HAVE_CXX
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bool "Have C++ compiler"
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default n
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---help---
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Toolchain supports C++ and CXX, CXXFLAGS, and COMPILEXX have been
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defined in the configurations Make.defs file.
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config HAVE_CXXINITIALIZE
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bool "Have C++ initialization"
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default n
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---help---
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The platform-specific logic includes support for initialization
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of static C++ instances for this architecture and for the selected
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toolchain.
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if HAVE_CXX
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choice
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prompt "C++ Library"
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default LIBCXXNONE
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config LIBCXXNONE
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bool "No default C++ Standard Template Library"
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config LIBCXXTOOLCHAIN
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bool "Toolchain C++ support"
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select HAVE_CXXINITIALIZE
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---help---
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Use Standard C++ library from toolchain.
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config LIBCXX
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bool "LLVM libc++ C++ Standard Library"
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select HAVE_CXXINITIALIZE
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select PTHREAD_MUTEX_TYPES
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depends on TLS_NELEM > 0
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---help---
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LLVM "libc++" C++ Standard Library
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https://libcxx.llvm.org/
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config UCLIBCXX
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bool "uClibc++ Standard C++ Library"
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select HAVE_CXXINITIALIZE
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depends on ALLOW_GPL_COMPONENTS
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---help---
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uClibc++ C++ library
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https://cxx.uclibc.org/
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endchoice
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config ETL
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bool "Embedded Template Library (ETL)"
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depends on ALLOW_MIT_COMPONENTS
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---help---
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ETL A C++ Template library for Embedded applications
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Implements C++ templates such as containers, string
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singleton math without C++ STL libraries
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choice
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prompt "C++ low level library select"
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default LIBMINIABI if LIBCXXNONE
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default LIBSUPCXX_TOOLCHAIN
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config LIBMINIABI
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bool "Basic C++ support"
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---help---
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A fragmentary C++ library that will allow to build only
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the simplest of C++ applications. Only contain basic C++
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runtime support function.
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config LIBCXXABI
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bool "LLVM low level C++ Library"
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---help---
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LLVM "libc++abi" C++ Standard Library
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https://libcxxabi.llvm.org/
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Select if your use libc++abi as lower level c++ library
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config LIBSUPCXX
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bool "GNU compile low level libsupc++"
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---help---
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Select if your compile libsupc++ and use libsupc++ as lower
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level c++ library.
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config LIBSUPCXX_TOOLCHAIN
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bool "GNU low level libsupc++"
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---help---
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Select if your toolchain provides libsupc++ and use toolchain libsupc++ as lower
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level c++ library.
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endchoice
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config LIBCXXABI_VERSION
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string "Select libcxxabi version"
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depends on LIBCXXABI
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default LIBCXX_VERSION if LIBCXX
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default "17.0.6" if !LIBCXX
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config LIBSTDCXX_VERSION
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string "Select libstdcxx version"
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depends on LIBSUPCXX
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default "14.2.0"
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config CXX_STANDARD
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string "Language standard"
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default "c++14" if TRICORE_TOOLCHAIN_TASKING
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default "gnu++20" if LIBCXX
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default "gnu++17" if !LIBCXX
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---help---
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Possible values:
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gnu++98/c++98, gnu++11/c++11, gnu++14/c++14, gnu++17/c++17 and gnu++20/c++20
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config CXX_EXCEPTION
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bool "Enable Exception Support"
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config CXX_RTTI
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bool "Enable RTTI Support"
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config CXX_WCHAR
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bool "Enable Wide Character Support"
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choice
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prompt "C++ Locale and Stream select"
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default CXX_NO_LOCALIZATION
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config CXX_NO_LOCALIZATION
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bool "No Locale and Stream Support"
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config CXX_MINI_LOCALIZATION
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bool "Enable mini Locale and Stream Support"
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config CXX_LOCALIZATION
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bool "Enable Locale and Stream Support"
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depends on LIBC_LOCALE
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endchoice
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if UCLIBCXX
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config UCLIBCXX_BUFSIZE
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int "IO Stream/Container Buffer Size"
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default 32
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endif
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config LIBCXX_VERSION
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string "Select libcxx version"
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depends on LIBCXX
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default "17.0.6"
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config LIBCXX_TEST
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bool "LLVM Libcxx Library Test"
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depends on LIBCXX && CXX_EXCEPTION
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default n
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endif
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