#!/usr/bin/env bash
# Build Path: /app/.heroku/vendor/

OUT_PREFIX=$1

# Skip the build for heroku-16.
if [[ $S3_PREFIX == "heroku-16" ]]; then
    exit 0
fi

# Use new path, containing autoconf.
export PATH="/app/.heroku/python/bin/:$PATH"
hash -r


echo "Building libffi…"

SOURCE_TARBALL='ftp://sourceware.org/pub/libffi/libffi-3.1.tar.gz'

curl -L $SOURCE_TARBALL | tar x

cd libffi-3.1
./configure --prefix=$OUT_PREFIX --disable-static &&
make
make install

# Cleanup
cd ..