gcc warnings

[kamelopardus]

Hello.

I use gcc 3.4.2 under mingw32. I need to put compiler warnings about
uninitialized variables into some text file, for example, "warnings.txt".

i try 

gcc -O -Wuninitialized -v echo.c>warnings.txt

after the execution i can see warnings on the screen, but file
"warnings.txt" is empty.

Can anyone advise, where am i wrong?



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