我想从PDF中提取文本，所以尝试了here中的QPdfium
我尝试使用带有Mingw32编译器的QT 5.12.0来编译该库，我按照以下步骤操作：
1-我从项目中克隆了一个克隆，然后打开qtpdfium.pro，使用Mingw 32编译器选择发布模式。
2-当我开始构建时，出现了18错误
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fsdk_actionhandler.cpp:425: error: 'class CPDF_Dest' has no member named 'GetObjectW'; did you mean 'GetObject'?
const CPDF_Array* pMyArray = ToArray(MyDest.GetObject());
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:447: error: 'g_pdfium_print_postscript_level' was not declared in this scope
g_pdfium_print_postscript_level = postscript_level;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fsdk_actionhandler.cpp:425: error: 'class CPDF_Dest' has no member named 'GetObjectW'; did you mean 'GetObject'?
const CPDF_Array* pMyArray = ToArray(MyDest.GetObject());
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:681: error: no matching function for call to 'MakeUnique<<expression error> >(HDC__*&)'
pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsDevice>(dc);
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:681: error: template argument 1 is invalid
pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsDevice>(dc);
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:681: error: template argument 1 is invalid
pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsDevice>(dc);
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:681: error: template argument 1 is invalid
pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsDevice>(dc);
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:688: error: 'CFX_WindowsDevice' was not declared in this scope
CFX_WindowsDevice WinDC(dc);
^~~~~~~~~~~~~~~~~
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:689: error: 'WinDC' was not declared in this scope
if (WinDC.GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) {
^~~~~
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:447: error: 'g_pdfium_print_postscript_level' was not declared in this scope
g_pdfium_print_postscript_level = postscript_level;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:681: error: 'CFX_WindowsDevice' was not declared in this scope
pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsDevice>(dc);
^~~~~~~~~~~~~~~~~
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:681: error: no matching function for call to 'MakeUnique<<expression error> >(HDC__*&)'
pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsDevice>(dc);
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:681: error: template argument 1 is invalid
pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsDevice>(dc);
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:681: error: template argument 1 is invalid
pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsDevice>(dc);
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:681: error: template argument 1 is invalid
pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsDevice>(dc);
^
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:688: error: 'CFX_WindowsDevice' was not declared in this scope
CFX_WindowsDevice WinDC(dc);
^~~~~~~~~~~~~~~~~
D:\build\qtpdfium-master\src\3rdparty\pdfium\fpdfsdk\fpdfview.cpp:689: error: 'WinDC' was not declared in this scope
if (WinDC.GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) {
^~~~~
那是什么问题，在自述文件中说我可以毫无问题地进行编译，我尝试使用MSVC 2017 32进行编译，它给了我更多错误187错误，因此如果有人对其进行了编译，请提供任何帮助之前，或者是否有任何链接可以二进制形式下载该库而不是对其进行编译。
预先感谢。