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docs: Update description on C++ language standard

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renpeiying
2025-08-21 16:23:03 +08:00
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docs/en/api-guides/cplusplus.rst
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@@ -26,7 +26,7 @@ The following C++ features are supported:
C++ Language Standard
---------------------
By default, ESP-IDF compiles C++ code with C++26 language standard with GNU extensions (``-std=gnu++26``).
By default, ESP-IDF compiles C++ code using C++26 language standard with GNU extensions (``-std=gnu++26``) for chip targets. For Linux targets, ESP-IDF selects the highest C+ standard supported by your host compiler. To use the highest C++ standard, upgrade your Linux toolchain to a version that supports it.
To compile the source code of a certain component using a different language standard, set the desired compiler flag in the component's ``CMakeLists.txt`` file:

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docs/zh_CN/api-guides/cplusplus.rst
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@@ -26,7 +26,7 @@ ESP-IDF 支持以下 C++ 功能：
C++ 语言标准
---------------------
默认情况下，ESP-IDF 使用 C++26 语言标准和 GNU 扩展 (``-std=gnu++26``) 编译 C++ 代码。
对于芯片目标，ESP-IDF 默认使用带有 GNU 扩展的 C++26 语言标准 (``-std=gnu++26``) 来编译 C++ 代码。对于 Linux 目标，ESP-IDF 会选择你的编译器支持的最高 C++ 标准。此时如需使用最新的 C++ 语言标准，请将 Linux 工具链升级到支持该标准的版本。
要使用其他语言标准编译特定组件的源代码，请按以下步骤，在组件的 CMakeLists.txt 文件中设置所需的编译器标志：