Kernel compile error (from newbies)

clayton rollins crollins666 at
Sat Jul 5 12:04:57 PDT 2003

On Sat,  5 Jul 2003 Mihail <hej at> wrote:
>While building a custom kernel "make" failed with this error:
>cc -c -O -pipe -mcpu=pentiumpro -Wall -Wredundant-decls -Wnested-externs 
>-Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline 
>-Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I../../.. 
>-I../../../dev -I../../../contrib/dev/acpica -I../../../contrib/ipfilter 
>-D_KERNEL -include opt_global.h -fno-common -falign-functions=4 
>-march=pentium4 -mfpmath=sse -msse -msse2 -mno-align-long-strings 
>-mpreferred-stack-boundary=2 -ffreestanding -Werror  ../../../dev/fb/vga.c
>{standard input}: Assembler messages:
>{standard input}:3833: Error: suffix or operands invalid for `movd'
>{standard input}:4053: Error: suffix or operands invalid for `movd'
>*** Error code 1
>I did "make" from /usr/src/sys/i386/compile/MYKERNEL just as described on 
>BTW, how to change the _default_ CFLAGS? I would want to remove 
>-mcpu=pentiumpro  that is being appended (in case -mcpu=pentiumpro 
>conflicts with my -march=pentium4 flag?)

I really can't figure why the kernel won't compile. (Other than the obvious 
If you're using gcc 3.2, the -msse2 flag is known to cause this problem. 
Other than
that, what you propose sounds like the next thing to check.

I'll cc -questions, which is the proper list for tech. advice. Maybe someone 
will have a better answer for you.

You can alter /etc/make.conf to change the flags; I'm not sure how it picks 
up the
'automatic settings.' (Again, maybe someone at -questions will have a better 


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