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From:	RayeR <glaux AT centrum DOT cz>
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Subject:	Re: problem with AS from binutils 2.21.1
Date:	Sun, 25 Dec 2011 18:10:41 -0800 (PST)
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The same problem was with h264.c where I had to use even -O0
I fixed it by preproc pragma - in this two files I added:

#ifdef __DJGPP__
#pragma GCC optimize ("O0")
#endif

So it finally compiled.
I also got some strange warning during linking the exe:

LD      ffmpeg_g.exe
e:/djgpp/lib/libc.a(d0000.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0300_z.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0008.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0400.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0006.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(stdiohk.o): warning: definition of
`___stdio_cleanup_hook' o
verriding common
e:/djgpp/lib/libc.a(exit.o): warning: common is here
e:/djgpp/lib/libc.a(dpmi_lsl.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0202.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0203.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0204.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0205.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0201.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0304.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0200.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0303.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0600.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here
e:/djgpp/lib/libc.a(d0300.o): warning: multiple common of
`___dpmi_error'
e:/djgpp/lib/libc.a(d0e01.o): warning: previous common is here

Same for older libc.a ...

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