> Configuring source in > /var/tmp/portage/media-video/ffmpeg-0.7.8/work/ffmpeg-0.7.8 ... > x86_64-pc-linux-gnu-gcc is unable to create an executable file. > If x86_64-pc-linux-gnu-gcc is a cross-compiler, use the > --enable-cross-compile option. > Only do this if you know what cross compiling means. > C compiler test failed.
Do you have enabled the "cpudetection" and/or "custom-cflags" use flags? Or do you use some crazy CFLAGS? ffmpeg 0.7.8 compiles just fine on my amd64 box.
