[Mingw-users] Why does g++ not link with libstdc++?

["fiveight" <fiveight@xxxxxxx>]

Hi All:

I compile "test.cpp" with:
gcc -c test.cpp -o test.o

and then link with:
g++ test.o -o test.exe

It works well.

But in my firm's project there are too many object files, so I put these object files path in a response file, for example "proj.rsp". Then I link with:
g++ -o proj.exe -Wl,@"proj.rsp"
This command does not link with libstdc++.
If I link with:
g++ -o proj.exe -Wl,@"proj.rsp" -lstdc++
It works well.

I remember that g++ will automatic link libstdc++. Why does the first command not work?

Thanks

Fiveight
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