RedBear-OS/recipes/wip/qt/qtserialport/recipe.toml

#TODO: Qt6 SerialPort module — cross-compiled for Redox, but runtime validation against real serial devices is still pending.
# Provides: libQt6SerialPort and CMake/pkg-config metadata for downstream Qt serial consumers.

[source]
tar = "https://download.qt.io/official_releases/qt/6.11/6.11.0/submodules/qtserialport-everywhere-src-6.11.0.tar.xz"

[build]
template = "custom"
dependencies = [
    "qtbase",
]
script = """
DYNAMIC_INIT

HOST_BUILD="${COOKBOOK_ROOT}/build/qt-host-build"

python - <<'PY'
import os
from pathlib import Path
path = Path(os.environ["COOKBOOK_SOURCE"]) / "src/serialport/qserialport_unix.cpp"
text = path.read_text()
text = text.replace(
'''static inline void qt_set_flowcontrol(termios *tio, QSerialPort::FlowControl flowcontrol)
{
    switch (flowcontrol) {
    case QSerialPort::NoFlowControl:
        tio->c_cflag &= ~CRTSCTS;
        tio->c_iflag &= ~(IXON | IXOFF | IXANY);
        break;
    case QSerialPort::HardwareControl:
        tio->c_cflag |= CRTSCTS;
        tio->c_iflag &= ~(IXON | IXOFF | IXANY);
        break;
    case QSerialPort::SoftwareControl:
        tio->c_cflag &= ~CRTSCTS;
        tio->c_iflag |= IXON | IXOFF | IXANY;
        break;
    default:
        tio->c_cflag &= ~CRTSCTS;
        tio->c_iflag &= ~(IXON | IXOFF | IXANY);
        break;
    }
}
''',
'''static inline void qt_set_flowcontrol(termios *tio, QSerialPort::FlowControl flowcontrol)
{
#ifdef CRTSCTS
    switch (flowcontrol) {
    case QSerialPort::NoFlowControl:
        tio->c_cflag &= ~CRTSCTS;
        tio->c_iflag &= ~(IXON | IXOFF | IXANY);
        break;
    case QSerialPort::HardwareControl:
        tio->c_cflag |= CRTSCTS;
        tio->c_iflag &= ~(IXON | IXOFF | IXANY);
        break;
    case QSerialPort::SoftwareControl:
        tio->c_cflag &= ~CRTSCTS;
        tio->c_iflag |= IXON | IXOFF | IXANY;
        break;
    default:
        tio->c_cflag &= ~CRTSCTS;
        tio->c_iflag &= ~(IXON | IXOFF | IXANY);
        break;
    }
#else
    Q_UNUSED(flowcontrol);
    tio->c_iflag &= ~(IXON | IXOFF | IXANY);
#endif
}
''')
text = text.replace(
'''QSerialPort::PinoutSignals QSerialPortPrivate::pinoutSignals()
{
    int arg = 0;

    if (::ioctl(descriptor, TIOCMGET, &arg) == -1) {
        setError(getSystemError());
        return QSerialPort::NoSignal;
    }
''',
'''QSerialPort::PinoutSignals QSerialPortPrivate::pinoutSignals()
{
#ifndef TIOCMGET
    setError(QSerialPortErrorInfo(QSerialPort::UnsupportedOperationError,
                                  QSerialPort::tr("Pinout signal query is not supported on this platform")));
    return QSerialPort::NoSignal;
#else
    int arg = 0;

    if (::ioctl(descriptor, TIOCMGET, &arg) == -1) {
        setError(getSystemError());
        return QSerialPort::NoSignal;
    }
#endif
''')
text = text.replace(
'''bool QSerialPortPrivate::setDataTerminalReady(bool set)
{
    int status = TIOCM_DTR;
    if (::ioctl(descriptor, set ? TIOCMBIS : TIOCMBIC, &status) == -1) {
        setError(getSystemError());
        return false;
    }

    return true;
}
''',
'''bool QSerialPortPrivate::setDataTerminalReady(bool set)
{
#if !defined(TIOCM_DTR) || !defined(TIOCMBIS) || !defined(TIOCMBIC)
    Q_UNUSED(set);
    setError(QSerialPortErrorInfo(QSerialPort::UnsupportedOperationError,
                                  QSerialPort::tr("Data terminal ready is not supported on this platform")));
    return false;
#else
    int status = TIOCM_DTR;
    if (::ioctl(descriptor, set ? TIOCMBIS : TIOCMBIC, &status) == -1) {
        setError(getSystemError());
        return false;
    }

    return true;
#endif
}
''')
text = text.replace(
'''bool QSerialPortPrivate::setRequestToSend(bool set)
{
    int status = TIOCM_RTS;
    if (::ioctl(descriptor, set ? TIOCMBIS : TIOCMBIC, &status) == -1) {
        setError(getSystemError());
        return false;
    }

    return true;
}
''',
'''bool QSerialPortPrivate::setRequestToSend(bool set)
{
#if !defined(TIOCM_RTS) || !defined(TIOCMBIS) || !defined(TIOCMBIC)
    Q_UNUSED(set);
    setError(QSerialPortErrorInfo(QSerialPort::UnsupportedOperationError,
                                  QSerialPort::tr("Request-to-send is not supported on this platform")));
    return false;
#else
    int status = TIOCM_RTS;
    if (::ioctl(descriptor, set ? TIOCMBIS : TIOCMBIC, &status) == -1) {
        setError(getSystemError());
        return false;
    }

    return true;
#endif
}
''')
text = text.replace(
'''bool QSerialPortPrivate::setBreakEnabled(bool set)
{
    if (::ioctl(descriptor, set ? TIOCSBRK : TIOCCBRK) == -1) {
        setError(getSystemError());
        return false;
    }

    return true;
}
''',
'''bool QSerialPortPrivate::setBreakEnabled(bool set)
{
#if !defined(TIOCSBRK) || !defined(TIOCCBRK)
    Q_UNUSED(set);
    setError(QSerialPortErrorInfo(QSerialPort::UnsupportedOperationError,
                                  QSerialPort::tr("Break signaling is not supported on this platform")));
    return false;
#else
    if (::ioctl(descriptor, set ? TIOCSBRK : TIOCCBRK) == -1) {
        setError(getSystemError());
        return false;
    }

    return true;
#endif
}
''')
path.write_text(text)
PY

# Sysroot path fix: same as other Qt6 modules — cookbook only symlinks
# sysroot/{bin,include,lib,share} but Qt6 cmake targets reference
# ${_IMPORT_PREFIX}/{plugins,mkspecs,metatypes,modules}.
for qtdir in plugins mkspecs metatypes modules; do
    if [ -d "${COOKBOOK_SYSROOT}/usr/${qtdir}" ] && [ ! -e "${COOKBOOK_SYSROOT}/${qtdir}" ]; then
        ln -s "usr/${qtdir}" "${COOKBOOK_SYSROOT}/${qtdir}"
    fi
done

rm -f CMakeCache.txt
rm -rf CMakeFiles

cmake "${COOKBOOK_SOURCE}" \
    -DCMAKE_TOOLCHAIN_FILE="${COOKBOOK_ROOT}/local/recipes/qt/redox-toolchain.cmake" \
    -DQT_HOST_PATH="${HOST_BUILD}" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_PREFIX_PATH="${COOKBOOK_SYSROOT}" \
    -DQT_BUILD_EXAMPLES=OFF \
    -DQT_BUILD_TESTS=OFF \
    -DQT_GENERATE_SBOM=OFF \
    -Wno-dev

cmake --build . -j${COOKBOOK_MAKE_JOBS}

cmake --install . --prefix "${COOKBOOK_STAGE}/usr"

mkdir -p "${COOKBOOK_STAGE}/usr/lib"
for lib in lib/libQt6*.so*; do
    [ -f "${lib}" ] && cp -an "${lib}" "${COOKBOOK_STAGE}/usr/lib/"
done
for lib in lib/libQt6*.a; do
    [ -f "${lib}" ] && cp -an "${lib}" "${COOKBOOK_STAGE}/usr/lib/"
done

if [ -d "lib/cmake" ]; then
    mkdir -p "${COOKBOOK_STAGE}/usr/lib/cmake"
    cp -a lib/cmake/Qt6* "${COOKBOOK_STAGE}/usr/lib/cmake/" 2>/dev/null || true
fi
if [ -d "lib/pkgconfig" ]; then
    mkdir -p "${COOKBOOK_STAGE}/usr/lib/pkgconfig"
    cp -a lib/pkgconfig/*.pc "${COOKBOOK_STAGE}/usr/lib/pkgconfig/" 2>/dev/null || true
fi
if [ -d "include" ]; then
    mkdir -p "${COOKBOOK_STAGE}/usr/include"
    cp -a include/* "${COOKBOOK_STAGE}/usr/include/" 2>/dev/null || true
fi

for lib in "${COOKBOOK_STAGE}/usr/lib/libQt6"*.so.*; do
    [ -f "${lib}" ] || continue
    patchelf --remove-rpath "${lib}" 2>/dev/null || true
done

BUILD_DIR="${COOKBOOK_BUILD}"
if [ -d "${COOKBOOK_STAGE}/usr/lib/cmake" ]; then
    find "${COOKBOOK_STAGE}/usr/lib/cmake" -name '*.cmake' -exec sed -i \
        "s|${BUILD_DIR}|/usr|g" {} + 2>/dev/null || true
fi

SYSROOT="${COOKBOOK_SYSROOT}"
if [ -d "${COOKBOOK_STAGE}/usr/include" ]; then
    mkdir -p "${SYSROOT}/include"
    cp -a "${COOKBOOK_STAGE}/usr/include/"* "${SYSROOT}/include/" 2>/dev/null || true
fi
if [ -d "${COOKBOOK_STAGE}/usr/lib/cmake/Qt6SerialPort" ]; then
    find "${COOKBOOK_STAGE}/usr/lib/cmake/Qt6SerialPort" -name '*.cmake' -exec sed -i \
        "s|/usr/include|${SYSROOT}/include|g" {} + 2>/dev/null || true
    mkdir -p "${SYSROOT}/lib/cmake/Qt6SerialPort"
    cp -a "${COOKBOOK_STAGE}/usr/lib/cmake/Qt6SerialPort/"* "${SYSROOT}/lib/cmake/Qt6SerialPort/" 2>/dev/null || true
fi
mkdir -p "${SYSROOT}/lib"
cp -a "${COOKBOOK_STAGE}/usr/lib/libQt6"* "${SYSROOT}/lib/" 2>/dev/null || true
"""