Hello,
I'm trying to build the AppPkg on Ubuntu 12.04 using the
native installed complier. GCC4.6 fails with the following message:
/UDK2010.SR1/StdLib/LibC/Uefi/SysCalls.c: In function ‘utimes’:
/UDK2010.SR1/StdLib/LibC/Uefi/SysCalls.c:1250:11: error: ‘va_start’ used
in function with fixed args
Apparently, the utimes() function in SysCalls.c is using a bad form of
va_list. It is attempting to create a fake va_list to pass on
to the kernel. GCC expects the utimes() to have a variadic input.
int
utimes(
const char *path,
const struct timeval *times
)
{
struct __filedes *filp;
va_list ap;
int fd;
int retval = -1;
va_start(ap, path);
fd = open(path, O_RDWR, 0);
if(fd >= 0) {
filp = &gMD->fdarray[fd];
retval = filp->f_ops->fo_ioctl( filp, FIOSETIME, ap);
close(fd);
}
va_end(ap);
return retval;
}
To my knowledge, the only way to fix this is to have utimes() call a
fake variadic function that finally calls the kernel.
Thanks,
Stephen
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