#!/usr/bin/env bash
# Host build + smoke test. CI entry point; not used by Flutter itself.
set -euo pipefail
cd "$(dirname "$0")/.."

nim_bin="${NIM:-nim}"
command -v "$nim_bin" >/dev/null || {
  echo "Nim compiler not on PATH (set NIM=/path/to/nim)"; exit 1; }

mkdir -p build

# --mm:arc, not the default ORC: this library hands raw pointers to Dart and
# frees them on request, so there are no cycles to collect and no reason to
# pay for a cycle detector. -d:danger drops runtime checks the C ABI cannot
# report anyway, and turns on the optimiser — without it the numeric kernels
# run several times slower.
#
# --threads:on because Dart calls in from many isolates, each its own OS
# thread; --noMain because the host program owns main(), not Nim.
"$nim_bin" c --app:lib --mm:arc -d:danger --threads:on --noMain \
  -o:build/libnimflutter.so src/nimflutter.nim

echo "built: $(stat -c%s build/libnimflutter.so) bytes"
nm -D --defined-only build/libnimflutter.so | grep ' nf_' || {
  echo "no nf_ exports!"; exit 1; }