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I am creating a C++ program that makes use of templates, but when I try to build my project my CLI returns this error.

C:\...\bin>g++ ../src/main.cpp ../src/lib/* -o main
../src/lib/Row.tpp: file not recognized: file format not recognized
collect2.exe: error: ld returned 1 exit status

Are any general issues that may cause this?

Jason
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MightyK24
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  • If you can read the warning message: `file not recognized: file format not recognized`, you can get the answer. We only have `.cpp` for C++. – Sean Sep 21 '22 at 07:13

1 Answers1

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g++ applies an heuristic based on the extension to know what to do with given files: compile it (and with which compiler C, C++, Ada, ...), pass it to the linker, ... The default is passing it to the linker. .tpp is not a recognized extension and thus ../src/lib/Row.tpp is passed to the linker which does not recognize the file format.

The root cause is probably the subject of this question.

AProgrammer
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