build re2c

make.sh

#!/bin/bash

export PATH=$PATH:$HOME/x86_64-linux-musl/bin
export CC=x86_64-linux-musl-gcc
export CXX=x86_64-linux-musl-g++

# If needed
export CC="$CC -static --static"
export CXX="$CXX -static --static"

rm -rf re2c
git clone https://github.com/skvadrik/re2c.git re2c
cd re2c
git co 1.0.3
cd re2c
./autogen.sh
./configure \
    --prefix="$(realpath output)"
make -j$(nproj)
make install