Windows compiled ffmpeg the general situation where GCC is unable to create a executable file

Recently a friend in compiling ffmpeg of this problem, he is very depressed.

I said, "Why did I get it right?" Direct./configure + plus the following parameters

Safe to spend.

Then I thought, estimating that his GCC system variables are not set.

And then looked at his computer, Cygwin mingw32 MINGGW various installations ..... .....

Then, discover that he manipulated the download of the latest mingw through the online download.

Download the address in C:/mingw

But found his environment variable only c:/mingw32/bin, no c:/mingw/bin,

And then added, and helped him through the smooth.

He may be a cause of error,

If you also encounter this kind of error, but is not this situation wrong can propose, help summarize induction.

Windows compiled ffmpeg the general situation where GCC is unable to create a executable file