[mad-dev] madplayer cross-compile on ARM11 compilation error "impossible constraint in 'asm'"

[Jianfeng Li]

Thank you so much for your help, Rob!
 
Regards,
Jeff



> From: rob at mars.org> To: mad-dev at lists.mars.org> Date: Sun, 18 May 2008 19:40:12 -0700> Subject: Re: [mad-dev] madplayer cross-compile on ARM11 compilation error "impossible constraint in 'asm'"> > On May 18, 2008, at 12:33 AM, Jianfeng Li wrote:> > I am now trying to cross-compile the madplayer on an arm11 based > > embedded system. The compiler I am using is from montavista > > mobilinux 5.0.> >> > When I tried to build the madplay, for the file resample.c, I got 2 > > errors on line 89 and 104. The error information is "impossible > > constraint in 'asm'. When I tried to build the libmad, I also met > > the same error. But it seems that during compilation if "FPM-ARM" > > option is enabled then the error is solved. But here I checked the > > Makefile, there is no such option of "FPM" as in the Makefile of > > libmad.> >> > So can anybody help to tell me why this error happens, it is due to > > the compiler's constraint/requirement? How should I try to solve > > this error? Is "trying to enable the FPM" a good option to try?> > Running the libmad `configure' script is the usual way to cause an > appropriate FPM macro to be defined. You can force the selection using > the --enable-fpm option (e.g. --enable-fpm=arm) in case the > automatically chosen default is inappropriate for some reason.> > Note that the FPM selection is carried into the mad.h header file > which is used by madplay et al. When cross-compiling, the resulting > mad.h could be different from the build system's mad.h so it's > important to check your include paths.> > -- > Rob Leslie> rob at mars.org> 
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