[[ -z "${build_helper_file}" ]] && {
	echo "Missing build helper file. Please define \"build_helper_file\""
	exit 1
}
source ${build_helper_file}
[[ $build_helpers_defined -ne 1 ]] && {
    echo "Failed to include build helpers."
    exit 1
}

requires_rebuild ${library_path}
[[ $? -eq 0 ]] && exit 0

[[ -z "${datapipes_webrtc}" ]] && datapipes_webrtc=1
[[ "${datapipes_webrtc}" -eq 1 ]] && _datapipes_webrtc="ON" || datapipes_webrtc="OFF"

web_cmake_flags="-DBUILD_WEBRTC=${_datapipes_webrtc}"
if [[ ${build_os_type} != "win32" && "${_datapipes_webrtc}" == "ON" ]]; then
    cd ${library_path}

    #echo "Testing for libnice"
    #dpkg-query -l libnice-dev2 &>/dev/null
    #if [[ $? -ne 0 ]]; then
    #    echo "Installing libnice"
    #    sudo apt-get update
    #    sudo apt-get install -yes --force-yes libnice-dev
    #else
    #    echo "libnice already installed"
    #fi

    echo "Building dependencies"
    ./build_usrsctp.sh
    check_err_exit ${library_path} "Failed to build usrsctp!"
    ./build_srtp.sh
    check_err_exit ${library_path} "Failed to build srtp!"

    cd ..

    glib20_dir=$(realpath "$(pwd)/glibc/linux_${build_os_arch}/")
    # shellcheck disable=SC2125
    glib20_lib_path=$(realpath "$glib20_dir/lib/"*"/")

    # TODO: pcre really required here?
    web_cmake_flags="$web_cmake_flags -DGLIB_PREBUILD_FLAGS=\"-I$glib20_dir/include -I$glib20_dir/include/glib-2.0/ -I$glib20_lib_path/glib-2.0/include/\""
    web_cmake_flags="$web_cmake_flags -DGLIB_PREBUILD_LIBRARIES=\"$glib20_lib_path/libgio-2.0.so;z;resolv;$glib20_lib_path/libgmodule-2.0.so;$glib20_lib_path/libgobject-2.0.so;$glib20_lib_path/libffi.so;$glib20_lib_path/libglib-2.0.so;pcre\""
    web_cmake_flags="$web_cmake_flags -DLIBNICE_PREBUILD_PATH=\"../libnice/linux_${build_os_arch}\""
    echo "WebRTC flags: $web_cmake_flags"
fi


_cxx_options=""
[[ ${build_os_type} != "win32" ]] && _cxx_options="-fPIC -static-libgcc -static-libstdc++"
[[ ${build_os_type} == "win32" ]] && _cxx_options="-DWIN32"

general_options="-DCMAKE_C_FLAGS=\"-fPIC\" -DCMAKE_CXX_FLAGS=\"$_cxx_options\" -DBUILD_TESTS=OFF -DBUILD_STATIC=0 -DBUILD_SHARED=1 -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}"
crypto_options="-DCrypto_ROOT_DIR=\"$(pwd)/boringssl/lib/\" -DCRYPTO_TYPE=\"boringssl\""

command="cmake_build ${library_path} ${general_options} ${crypto_options} ${web_cmake_flags} ${CMAKE_OPTIONS}"
eval "$command"
check_err_exit ${library_path} "Failed to build DataPipes!"
set_build_successful ${library_path}