build-anywhere: Create highly portable ELF binaries using the build-anywhere toolchain

This post describes the basic requirements for compiling highly portable ELF binaries. Essentially using a newer Linux distro like Ubuntu 18.10 to build complex projects that run on older distros like CentOS 6. The details are limited to C/C++ projects and to x86_64 architectures. The low-level solution is to use a C++ runtime that requires only glibc 2.13+ runtime linkage and link all third-party libraries as well as the compiler runtime and C++ implementation statically. Do not make a “fully static” binary. You will most likely find a glibc newer than 2.13 on every Linux distribution released since 2011. The high-level solution is to use the build-anywhere scripts to build a easy-to-use toolchain and set compiler flags.[…]

https://github.com/theopolis/build-anywhere

https://casualhacking.io/blog/2018/12/25/create-highly-portable-elf-binaries-using-the-build-anywhere-toolchain

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