82550887c2
since many 3rd party code use some gnu c++ extension Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
113 lines
2.3 KiB
Plaintext
113 lines
2.3 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 LIBCXXMINI
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config LIBCXXMINI
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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 LIBCXX
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bool "LLVM libc++ C++ Standard Library"
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select HAVE_CXXINITIALIZE
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select LIBC_LOCALE
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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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---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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if LIBCXXMINI
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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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endif
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if LIBCXX || UCLIBCXX
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choice
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prompt "C++ low level library select"
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default LIBSUPCXX
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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 low level libsupc++"
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---help---
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Select if your toolchain provides libsupc++ and use libsupc++ as lower
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level c++ library.
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endchoice
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endif
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config CXX_STANDARD
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string "Language standard"
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default "gnu++17"
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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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if UCLIBCXX
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config UCLIBCXX_WCHAR
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bool "Enable Wide Stream Support"
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default n
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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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endif
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