Windows Building is failing

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moses maned

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Oct 24, 2025, 7:48:39 PMOct 24
to doubango-ai
Hello i want to know when am building one of the samples for C++ specifically for windows using g++ am getting an error of missing linker i dont know how to get or where to get it because seems like its missing

this is what is happening to me 

C:\Users\Moses\Documents\ultimateALPR-SDK\samples\c++\benchmark>g++ benchmark.cxx -O3 -I../../../c++ -L../../../binaries/windows/x86_64 -lultimate_alpr-sdk -o benchmark
C:/Program Files (x86)/GnuWin32/bin/../x86_64-w64-mingw32/lib/gcc/x86_64-w64-mingw32/15.1.0/../../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lultimate_alpr-sdk: No such file or directory
collect2.exe: error: ld returned 1 exit status

C:\Users\Moses\Documents\ultimateALPR-SDK\samples\c++\benchmark>

Mamadou DIOP

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Oct 24, 2025, 7:55:22 PMOct 24
to moses maned, doubango-ai

Hi,

No need to build the binary by yourself, it's at https://github.com/DoubangoTelecom/ultimateALPR-SDK/blob/master/binaries/windows/x86_64/benchmark.exe

If you still want to build it by yourself: 

    - using Visual Studio (recommended): https://github.com/DoubangoTelecom/ultimateALPR-SDK/tree/master/samples/c%2B%2B/benchmark#building-windows

    - using g++: the name of the lib on Windows is "ultimateALPR-SDK.lib" (https://github.com/DoubangoTelecom/ultimateALPR-SDK/blob/master/binaries/windows/x86_64/ultimateALPR-SDK.lib) instead of "ultimate_ALPR-SDK.lib". On Linux the name is "libultimate_alpr-sdk.so" (https://github.com/DoubangoTelecom/ultimateALPR-SDK/blob/master/binaries/linux/x86_64/libultimate_alpr-sdk.so) which is what you're trying to use. It's a naming error we kept for backward compatibility

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