On 12/12/11 20:32, Michael Hampicke wrote:
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.
No nothing crazy:
CFLAGS="-Os -pipe -mtune=i686"
I'm not even sure if these flags are correct for my CPU:
AMD FX(tm)-8150 Eight-Core Processor
The flags suggestion I found on gentoo wiki are crazy:
http://en.gentoo-wiki.com/wiki/Safe_Cflags/AMD#AMD_FX-8xxx.2F6xxx.2F4xxx_.28Bulldozer.29
CFLAGS="-O2 -pipe -fomit-frame-pointer -march=bdver1 -mtune=bdver1 -mcx16 -msahf
-maes -mpclmul -mpopcnt -mabm -mlwp -mavx"
Whoever suggested these flags must have been on some drugs :-/
--
Joseph
