#!/usr/bin/env bash
# The generics spike's measurement, driven by hand with ocamlfind against the
# flan.cmxa dune already builds — the same arrangement spike/backend uses, and
# for the same reason: nothing under spike/ is wired into the build, there is
# no dune file here, and `dune test --root .` cannot see any of it.
#
# The three .flan programs beside this file are run with the ordinary driver:
#   dune exec --root . bin/main.exe -- run spike/generics/sort.flan
set -u
here=$(cd "$(dirname "$0")" && pwd)
root=$(cd "$here/../.." && pwd)
cd "$root" || exit 1

dune build --root . lib/flan.cmxa 2>&1 | head -20

out=$(mktemp -d); trap 'rm -rf "$out"' EXIT

ocamlfind ocamlopt -thread -package unix,threads.posix -linkpkg \
  -I "$root/_build/default/lib/.flan.objs/byte" \
  -I "$root/_build/default/lib/.flan.objs/native" \
  -I "$out" -I "$here" \
  -o "$out/measure" \
  "$root/_build/default/lib/flan.cmxa" \
  -cclib -rdynamic -ccopt -L"$root/_build/default/lib" \
  "$here/measure.ml" 2>&1 | head -40

test -x "$out/measure" || { echo "build failed"; exit 1; }
"$out/measure"