交叉编译:特殊的交叉编译器还是带有选项-march的gcc? [英] Cross compilation: special cross compiler or just gcc with option -march?

问题描述

我需要在Linux机器上为Raspberry PI 3+编译程序，并且代码必须符合c ++ 17标准.官方工具链已过时，缺少c ++ 17编译选项.我现在可以看到两个解决方案:

1)gcc有一个选项-march，在这里进行了描述: https://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html

2)按照此处的建议安装arm-linux-gbueabi-gcc软件包:解决方案

如果您想要Raspberry Pi的完整Cross Compiler c ++ 17标准，可以尝试使用我最新的预编译/预编译的开源GCC工具链Raspberry Pi以及来自此 Github存储库 的充分说明的文件:

目前可用的GCC版本如下:

• GCC 6.3.0
• GCC 7.4.0
• GCC 8.2.0
• GCC 8.3.0

并且，受支持的环境:

• 交叉编译器:当前支持所有Linux发行版(x32/x64).
• 本地编译器:支持带有Raspbian OS的所有Raspberry Pi版本/模型.其他操作系统可能会/可能不会.

也是当前支持的语言:

• C ++
• C
• Fortran

I need to compile a program for Raspberry PI 3+ on Linux machine, and code must be compliant with c++17 standard. Official toolchain is outdated and lack c++17 compilation option. Two solutions that I can see right now are:

1) gcc has an option -march, which described here: https://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html

2) Installing arm-linux-gbueabi-gcc package, as proposed here: Cross-compiling for Raspberry pi with modern gcc

What is the difference between two options? Is there some other possibilities that will work?

解决方案

If you want full Cross Compiler c++17 standard for your Raspberry Pi, you can try my Latest Pre-Built/Pre-Compiled Open-Sourced GCC Toolchains for Raspberry Pi along with well-documented instructions from this Github Repo:

The GCC versions available as of now are as follows:

• GCC 6.3.0
• GCC 7.4.0
• GCC 8.2.0
• GCC 8.3.0

And, the Supported Environments:

• Cross-Compiler: All Linux Distros (x32/x64) are currently supported.
• Native-Compiler: All Raspberry Pi version/model with Raspbian OS is supported. Other OS may/may-not work.

also the currently Supported Languages are:

• C++
• C
• Fortran

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