fadsrom questions...

dony dony.he at huawei.com.cn
Tue Feb 15 23:48:51 EST 2000


     This is a strange question...
     Since "puts()" in  mbxboot/misc.c cannot work properly (it cannot print
messages via serial port correctly), I steal part of codes from vsprintf.c of
fadsrom,  replacing puts() with printf().
Under the following old cross-compile environment, I can cross-compile my
kernel and run it on target correctly.
[glibc-2.1 glibc-crypt-2.1 glibc-linuxthread-2.1]

When I upgrade my cross-compile environment to the following and recompile my
kernel, some errors occur:
[glibc-2.1.2 glibc-crypt-2.1.2 glibc-linuxthread-2.1.2]

In function 'vsprintf' (in vsprintf.c of fadsrom):
undefined reference to "__va_arg_type_violation".

I trace this problem and find that it calls "va_arg()" which is defined in
"stdarg.h" (under "/usr/local/lib/gcc-lib/powerpc-linux/2.95.2/include"). The
"stdarg.h" includes "va-ppc.h", and the "va-ppc.h" itself defines "
__va_arg_type_violation". I guess it is the link problem but don't know how to
solve it.
Does anyone know what's the problem?
Thanks very much.

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