[Ffmpeg-devel] fft_3dn2.c does not compile

Guillaume POIRIER poirierg
Fri Sep 15 13:25:01 CEST 2006


On 8/8/06, Zack Z. Jing <Zack.Z.Jing at noaa.gov> wrote:
> Dear developer,
> I have downloaded ffmpeg today and tried to build it. I got the following
> gcc -O3  -g -Wdeclaration-after-statement -Wall -Wno-switch
> -DHAVE_AV_CONFIG_H -I.. -I/export/home/jing/Desktop/ffmpeg/libavutil
> i386/fft_3dn2.o i386/fft_3dn2.c
> i386/fft_3dn2.c: In function `ff_imdct_calc_3dn2':
> i386/fft_3dn2.c:195: error: can't find a register in class
> `GENERAL_REGS' while reloading `asm'
> make[1]: *** [i386/fft_3dn2.o] Error 1
> make[1]: Leaving directory `/export/home/jing/Desktop/ffmpeg/libavcodec'
> I was compiling ffmpeg on LINUX 2.6.9-34.0.1.ELsmp, gcc version 3.4.5
> 20051201 (Red Hat 3.4.5-2).
> Your help will be greatly appreciated.

Retry with adding -fomit-frame-pointer to the optimization flags
passed to GCC (edit config.mak)

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