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

# Build and install GoogleTest on Debian/Ubuntu when libgtest-dev provides sources
# Installs static libs into /usr/local so cmake can find GTest::gtest
if [ -d /usr/src/googletest ] || [ -d /usr/src/gtest ]; then
  echo "Building GoogleTest from system sources"
  if [ -d /usr/src/googletest ]; then
    src=/usr/src/googletest
  else
    src=/usr/src/gtest
  fi
  builddir="${src}/build"
  mkdir -p "$builddir"
  pushd "$builddir"
  cmake -DCMAKE_POSITION_INDEPENDENT_CODE=ON ..
  cmake --build . -- -j"$(nproc)"
  cmake --install . --prefix=/usr/local
  popd
else
  echo "No system gtest sources found in /usr/src; skipping build."
fi