[mythtv-users] gentoo cvs - postProcess_MMX error
Daniel Thor Kristjansson
danielk at mrl.nyu.edu
Tue Mar 22 00:14:50 UTC 2005
On Mon, 21 Mar 2005, Jeff Simpson wrote:
]I just realized what my problem was with emerging the cvs ebuilds for
]myth - I had old header files installed in both /usr/include and
]/usr/local/include. I deleted both of them and I'm trying to emerge
]the cvs build again, but I have a while new problem:
]
]In file included from libpostproc/postprocess.c:645:
]libpostproc/postprocess_template.c: In function `postProcess_MMX':
]libpostproc/postprocess_template.c:3198: error: can't find a register
]in class `GENERAL_REGS' while reloading `asm'
]
]any ideas? Thanks!
Try compiling libpostproc/postprocess.c with different flags,
go to the libs/libavcodec directory, copy the compile line that fails
and change the flags. Suggestions include, change -O3, to -Os, -O2, -O1,
etc, try adding -fomit-frame-pointer, and if neither of those work
try removing the -fPIC flag. Please report the problem to the ebuild
maintainer as well.
This happens because gcc has changed their register allocation code, and
in some cases the new code fails where the old register allocation code
worked. I don't think this problem effects a straight 0.17 compile so
maybe the ebuild is futzing with the flags?
-- Daniel
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