#!/usr/bin/env bash
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
ENV_DIR="$ROOT_DIR/tools/linux-build-env"
BUILD_DIR="$ROOT_DIR/build-linux"

if [[ ! -x "$ENV_DIR/bin/cmake" || ! -x "$ENV_DIR/bin/ninja" || ! -x "$ENV_DIR/bin/clang++" ]]; then
  echo "[build] 未发现项目内 Linux 二进制构建环境，先执行 setup-linux-binary-deps.sh"
  "$ROOT_DIR/scripts/setup-linux-binary-deps.sh"
fi

export PATH="$ENV_DIR/bin:$PATH"
export CMAKE_PREFIX_PATH="$ENV_DIR"
export PKG_CONFIG_PATH="$ENV_DIR/lib/pkgconfig:$ENV_DIR/share/pkgconfig:${PKG_CONFIG_PATH:-}"
export LD_LIBRARY_PATH="$ENV_DIR/lib:${LD_LIBRARY_PATH:-}"
export CC="$ENV_DIR/bin/clang"
export CXX="$ENV_DIR/bin/clang++"

cmake -S "$ROOT_DIR" -B "$BUILD_DIR" \
  -G Ninja \
  -DCMAKE_BUILD_TYPE=Release \
  -DCMAKE_PREFIX_PATH="$CMAKE_PREFIX_PATH" \
  -DCMAKE_C_COMPILER="$CC" \
  -DCMAKE_CXX_COMPILER="$CXX" \
  -DCMAKE_INSTALL_PREFIX="$ROOT_DIR/dist-linux"

cmake --build "$BUILD_DIR" --parallel "$(nproc)"

echo "[build] 构建完成：$BUILD_DIR/chengnan"