<![CDATA[ZXing compiling error]]>

<![CDATA[ZXing compiling error]]>I'm going to create a barcode reader program with ZXing.

I've managed to retrieve the repository using FetchContent.

However, whenever I compile, I get this error:

:-1: error: ld.lld: error: undefined symbol: ZXingQt::BarcodeReader::metaObject() const

There's more to this...

The cmake is like this:

target_link_libraries(appZXing
PRIVATE Qt6::Quick
ZXing::ZXing
)

]]>https://forum.qt.io/topic/164950/zxing-compiling-errorRSS for NodeMon, 28 Sep 2026 10:37:19 GMTThu, 30 Jul 2026 19:13:43 GMT60<![CDATA[Reply to ZXing compiling error on Thu, 30 Jul 2026 19:52:21 GMT]]>I solved the problem by adding #include "moc_ZXingQt.cpp" to the end of the cpp file, but thanks anyway :)

]]>https://forum.qt.io/post/839471https://forum.qt.io/post/839471Thu, 30 Jul 2026 19:52:21 GMT<![CDATA[Reply to ZXing compiling error on Thu, 30 Jul 2026 19:21:01 GMT]]>

target_link_libraries(appZXing
    PRIVATE
    Qt6::Quick
    ZXing::ZXing
    ZXing::ZXingQt
)

Do it like this

]]>https://forum.qt.io/post/839469https://forum.qt.io/post/839469Thu, 30 Jul 2026 19:21:01 GMT