Compile erlang for Remarkable

build_erlang_remarkable.sh

#!/bin/bash

# This script assume that:
# * You have installed the toolchain in the default location
# * You are using toolchain 3.1.15 for rm11x

set -x

export CC=clang;
export CXX=clang;
export CFLAGS="-g -O3 -fstack-protector"
export LDFLAGS="-fstack-protector"
export KERL_CONFIGURE_OPTIONS="--enable-bootstrap-only"

__ERL_VSN="26.0"
__DIRNAME="26.0-rm11";

if ! [[ -d  "~/.kerl/builds/$__DIRNAME" ]]; then
        kerl build $__ERL_VSN $__DIRNAME;
fi;

. /opt/codex/rm11x/3.1.15/environment-setup-cortexa7hf-neon-remarkable-linux-gnueabi

export erl_xcomp_sysroot="$OECORE_TARGET_SYSROOT"
export erl_xcomp_isysroot="$OE_QMAKE_INCDIR_QT"
export erl_xcomp_host="$(echo $CONFIGURE_FLAGS | sed -n 's|.*--target=\([a-z\-]*\) .*|\1|p')"
export erl_xcomp_build="$(echo $CONFIGURE_FLAGS | sed -n 's|.*--build=\([a-z0-9\_\-]*\).*|\1|p')"

bash -c "cd ~/.kerl/builds/${__DIRNAME}/otp_src_${__ERL_VSN}; ./configure $CONFIGURE_FLAGS && make"