rust + openssl + musl + archlinux

rust-openssl-musl-archlinux-build

## install musl
sudo pacman -Syu musl

## install headers of musl
sudo pacman -Syu kernel-headers-musl

## cargo add musl target and toolchain
rustup target add --toolchain stable x86_64-unknown-linux-musl

## download openssl source code, version is 3.0.7
wget https://www.openssl.org/source/openssl-3.0.7.tar.gz
tar -zxvf openssl-3.0.7.tar.gz

## configure and build openssl with musl-gcc
cd openssl-3.0.7
CC="musl-gcc -fPIE -pie" ./Configure no-shared no-async --prefix=/opt/musl/openssl3.0.7
make -j `nproc`
make install

## build rust project which depends on openssl
OPENSSL_STATIC=1 OPENSSL_DIR=/opt/musl/openssl3.0.7 cargo build --release --target x86_64-unknown-linux-musl