Awesome, that did the trick. Thanks! -- Jason Kohles Palantir Technologies | UNIX Systems Engineer jkoh...@palantir.com | 703.957.5784
On 4/10/12 8:03 AM, "Michael Brown" <mbr...@fensystems.co.uk> wrote: On Tuesday 10 Apr 2012 10:20:09 Robin Smidsrød wrote: > On 09.04.2012 16:50, Jason Kohles wrote: > > I'm trying to build the current HEAD so I can check out the new menu > > stuff, and I've encountered an error that I haven't been able to track > > down, probably due to the huge number of years it's been since I dealt > > with assembler.. > > > > arch/i386/interface/pcbios/int13.c: In function 'int13_hook': > > arch/i386/interface/pcbios/int13.c:1466: warning: asm operand 1 >probably > > doesn't match constraints > > arch/i386/interface/pcbios/int13.c:1466: warning: asm operand 2 >probably > > doesn't match constraints > > make: *** [bin/int13.o] Error 1 > > > > Can anybody tell me what is going on here? I tried simply suppressing > > the warning (by compiling this file without -Werror) but then I get an > > "impossible constraint in 'asm'" for the same line of code, so I'm > > guessing that means the operands really are wrong.. > > I just compiled HEAD on an Ubuntu 10.04 machine using the standard > toolchain. Are you using old (or quite new) versions of the toolchain? I've seen this problem before, where gcc sometimes doesn't fully simplify an expression down to the compile-time constant that it really is. Should now be fixed: http://git.ipxe.org/ipxe.git/commitdiff/3c13d68 Michael
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