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169 lines
4.2 KiB
169 lines
4.2 KiB
# C++ configuration options |
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# Copyright (c) 2018 B. Leforestier |
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# SPDX-License-Identifier: Apache-2.0 |
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menu "C++ Language Support" |
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config CPP |
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bool "C++ support for the application" |
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help |
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This option enables the use of applications built with C++. |
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if CPP |
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choice STD_CPP |
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prompt "C++ Standard" |
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default STD_CPP11 |
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help |
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C++ Standards. |
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config STD_CPP98 |
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bool "C++ 98" |
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help |
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1998 C++ standard as modified by the 2003 technical corrigendum |
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and some later defect reports. |
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config STD_CPP11 |
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bool "C++ 11" |
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help |
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2011 C++ standard, previously known as C++0x. |
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config STD_CPP14 |
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bool "C++ 14" |
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help |
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2014 C++ standard. |
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config STD_CPP17 |
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bool "C++ 17" |
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help |
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2017 C++ standard, previously known as C++0x. |
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config STD_CPP2A |
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bool "C++ 2a" |
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help |
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Next revision of the C++ standard, which is expected to be published in 2020. |
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config STD_CPP20 |
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bool "C++ 20" |
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help |
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2020 C++ standard, previously known as C++2A. |
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config STD_CPP2B |
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bool "C++ 2b" |
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help |
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Next revision of the C++ standard, which is expected to be published in 2023. |
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endchoice |
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config REQUIRES_FULL_LIBCPP |
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bool "Require complete C++ standard library" |
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select REQUIRES_FULL_LIBC |
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help |
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Indicates that a full C++ standard library is required, either by |
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a subsystem or an application. This will also include a full C |
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library implementation. |
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config FULL_LIBCPP_SUPPORTED |
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bool |
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help |
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Selected when the target has at least one C++ library that offers a |
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complete implementation and which would be selected when |
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REQUIRES_FULL_LIBCPP is set. |
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choice LIBCPP_IMPLEMENTATION |
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prompt "C++ Standard Library Implementation" |
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default EXTERNAL_LIBCPP if REQUIRES_FULL_LIBCPP && NATIVE_BUILD |
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default LIBCXX_LIBCPP if REQUIRES_FULL_LIBCPP && "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "llvm" |
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default GLIBCXX_LIBCPP if REQUIRES_FULL_LIBCPP |
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default MINIMAL_LIBCPP |
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config MINIMAL_LIBCPP |
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bool "Minimal C++ Library" |
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depends on !REQUIRES_FULL_LIBCPP |
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help |
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Build with the minimal C++ library provided by Zephyr. |
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The Zephyr minimal C++ library only provides a very limited subset |
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of the standard C++ library and is mainly intended for use with the |
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applications that do not require the Standard Template Library (STL). |
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config GLIBCXX_LIBCPP |
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bool "GNU C++ Standard Library" |
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depends on !NATIVE_APPLICATION |
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depends on NEWLIB_LIBC || PICOLIBC |
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select FULL_LIBCPP_SUPPORTED |
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help |
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Build with GNU C++ Standard Library (libstdc++) provided by the GNU |
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Compiler Collection (GCC)-based toolchain. |
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config LIBCXX_LIBCPP |
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bool "LLVM C++ Standard Library" |
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depends on !NATIVE_APPLICATION |
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depends on NEWLIB_LIBC |
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depends on "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "llvm" |
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select FULL_LIBCPP_SUPPORTED |
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help |
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Build with LLVM C++ Standard Library (libc++) provided by LLVM |
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toolchain. Information about library can be found at |
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https://libcxx.llvm.org |
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config ARCMWDT_LIBCPP |
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bool "ARC MWDT C++ Library" |
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depends on !NATIVE_APPLICATION |
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depends on ARCMWDT_LIBC |
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help |
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Build with ARC MetaWare C++ Standard Library provided by the ARC |
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MetaWare Development Tools (MWDT) toolchain. |
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config EXTERNAL_LIBCPP |
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bool "External C++ standard library" |
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help |
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Build and link with an external/user-provided C++ standard library. |
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config EXTERNAL_MODULE_LIBCPP |
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bool "External C++ standard library module" |
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help |
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Build an external/user-provided C++ standard library. |
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endchoice # LIBCPP_IMPLEMENTATION |
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config CPP_MAIN |
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bool "[DEPRECATED] C++ main() function definition" |
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select DEPRECATED |
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help |
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This option used to be necessary to instruct the Zephyr kernel to |
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call 'int main(void)' instead of the old Zephyr default, 'void |
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main(void)'. |
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As the Zephyr type now matches the C++ required type, this option |
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is no longer necessary. |
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if !MINIMAL_LIBCPP |
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config CPP_EXCEPTIONS |
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bool "C++ exceptions support" |
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depends on !NEWLIB_LIBC_NANO |
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help |
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This option enables support of C++ exceptions. |
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config CPP_RTTI |
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bool "C++ RTTI support" |
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help |
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This option enables support of C++ RTTI. |
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endif # !MINIMAL_LIBCPP |
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config CPP_STATIC_INIT_GNU |
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# As of today only ARC MWDT toolchain doesn't support GNU-compatible |
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# initialization of CPP static objects, new toolchains can be added |
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# here if required. |
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def_bool "$(ZEPHYR_TOOLCHAIN_VARIANT)" != "arcmwdt" |
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help |
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GNU-compatible initialization of CPP static objects |
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endif # CPP |
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rsource "Kconfig.deprecated" |
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endmenu
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