我想从 PDF 中提取文本，所以我尝试了 QPdfium 从这里
我尝试使用带有 Mingw32 编译器的 QT 5.12.0 编译库我按照以下步骤操作：
1 -我从项目中克隆一个，然后打开 qtpdfium.pro，选择使用 Mingw 32 编译器的发布模式。
2 -当我开始构建时，我得到了大约 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) {
^~~~~
那么问题是什么，在自述文件中它说我可以毫无问题地编译它，我尝试使用 MSVC 2017 32 进行编译，它给了我更多错误 187 错误，所以如果有人之前编译过它，请提供任何帮助，或者如果有任何链接可以下载二进制库而不是编译它。
提前致谢。