#!/bin/bash
set -e

TARGET="dense-neural-network"

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ROOT_DIR="$(cd "$SCRIPT_DIR/../.." && pwd)"
BUILD_DIR="$ROOT_DIR/build"

# Always remove stale CMake cache (path/user mismatches)
rm -f "$BUILD_DIR/CMakeCache.txt"
rm -rf "$BUILD_DIR/CMakeFiles"
rm -f "$BUILD_DIR/Makefile" "$BUILD_DIR/build.ninja" "$BUILD_DIR/rules.ninja" "$BUILD_DIR/cmake_install.cmake"

mkdir -p "$BUILD_DIR"

cmake -S "$ROOT_DIR" -B "$BUILD_DIR" #-DCMAKE_BUILD_TYPE=Debug
cmake --build "$BUILD_DIR" --target "$TARGET"

# Load omp.cfg
if [ -f "$ROOT_DIR/omp.cfg" ]; then
  export $(grep -v '^[[:space:]]*#' "$ROOT_DIR/omp.cfg" | grep -v '^[[:space:]]*$' | xargs)
fi

echo "=== CPU / OpenMP info ==="
echo "System cores (nproc): $(nproc)"
echo "OMP_NUM_THREADS=${OMP_NUM_THREADS:-"(not set)"}"
echo "========================="


"$BUILD_DIR/bin/$TARGET"