Error Info
auto/os/linux: line 21: 3.0-ARCH: syntax error: invalid arithmetic operator (error token is ".0-ARCH")

version=$((`uname -r \
| sed 's/^\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1*256*256+\2*256+\3/'`))

ArchLinux Linux Kernel 3.0

[root@doneta nginx-1.0.5]# uname -r
3.0-ARCH