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Cargo compilation musl error openssl background

Different glibc versions of the production environment and the compiled environment appear to report errors as follows

/ lib64/libc.so.6: version `GLIBC_x.xx' not found

So you need to use cargo to compile x86_64-unknown-linux-musl across platforms, and then report openssl-related errors:

-stderrthread 'main' panicked at' Could not find directory of OpenSSL installation, and this `- sys` crate cannotproceed without this knowledge. If OpenSSL is installed and this crate hadtrouble finding it, you can set the `OPENSSL_ DIR` environment variable for thecompilation process.Make sure you also have the development packages of openssl installed.For example, `libssl- dev` on Ubuntu or `openssl- devel` on Fedora.If you're in a situation where you think the directory * should* be foundautomatically, please open a bug at https://github.com/sfackler/rust-openssland include information about your system as well as this message.$HOST = x86_64-unknown-linux-gnu$TARGET = x86_64-unknown-linux-muslopenssl-sys = 0.9.48reasons

To sum up, the compiler did not find the dev package for ssl and gave solutions to debian and red-hat. Unfortunately, my compilation environment is manjaro, and there is no package like libssl_dev.

Solve

For debian/ubuntu, that is

Apt-get install libssl-dev

For centos/fedora, that is

Yum install-y openssl-devel

For Arch/manjaro, if you ensure that openssl is installed

Export OPENSSL_DIR=/usr

The specific process is to find the path to the libssl.so file (/ usr/lib/libsso.so in this case) through the command. OPENSSL_DIR/lib/libssl.so is connected at compile time. So the OPENSSL_DIR here is / usr.

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