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On 12/12/11 20:32, Michael Hampicke wrote: |
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>> Configuring source in |
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>> /var/tmp/portage/media-video/ffmpeg-0.7.8/work/ffmpeg-0.7.8 ... |
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>> x86_64-pc-linux-gnu-gcc is unable to create an executable file. |
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>> If x86_64-pc-linux-gnu-gcc is a cross-compiler, use the |
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>> --enable-cross-compile option. |
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>> Only do this if you know what cross compiling means. |
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>> C compiler test failed. |
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> |
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>Do you have enabled the "cpudetection" and/or "custom-cflags" use flags? |
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>Or do you use some crazy CFLAGS? |
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>ffmpeg 0.7.8 compiles just fine on my amd64 box. |
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|
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No nothing crazy: |
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CFLAGS="-Os -pipe -mtune=i686" |
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I'm not even sure if these flags are correct for my CPU: |
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AMD FX(tm)-8150 Eight-Core Processor |
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The flags suggestion I found on gentoo wiki are crazy: |
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http://en.gentoo-wiki.com/wiki/Safe_Cflags/AMD#AMD_FX-8xxx.2F6xxx.2F4xxx_.28Bulldozer.29 |
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CFLAGS="-O2 -pipe -fomit-frame-pointer -march=bdver1 -mtune=bdver1 -mcx16 -msahf -maes -mpclmul -mpopcnt -mabm -mlwp -mavx" |
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Whoever suggested these flags must have been on some drugs :-/ |
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-- |
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Joseph |
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