make config errors while building kernel on Fedora 16

Hi

I tried to build both linux mainline and linux-next on my Fedora 16 box.
But in both cases I am running into errors in making the .config

Here is a what is written (partial from top) to stdout:

*** Default configuration is based on 'x86_64_defconfig'
init/Kconfig:237:warning: multi-line strings not supported
kernel/irq/Kconfig:75:warning: multi-line strings not supported
init/Kconfig:667:warning: multi-line strings not supported
init/Kconfig:1216:warning: multi-line strings not supported
init/Kconfig:1307:warning: multi-line strings not supported
init/Kconfig:1308:warning: multi-line strings not supported

And the following (partial from bottom) to stderr:

drivers/vhost/Kconfig:10: syntax error
drivers/vhost/Kconfig:9: unknown option "To"
drivers/vhost/Kconfig:10: unknown option "be"
drivers/lguest/Kconfig:12: syntax error
drivers/lguest/Kconfig:11: unknown option "Note"
drivers/lguest/Kconfig:12: unknown option "not"
drivers/lguest/Kconfig:15: syntax error
drivers/lguest/Kconfig:14: unknown option "If"
lib/xz/Kconfig:59: syntax error
lib/xz/Kconfig:58: unknown option "Unless"
lib/xz/Kconfig:59: unknown option "and"
lib/Kconfig:281: syntax error
lib/Kconfig:280: unknown option "If"
make[1]: *** [defconfig] Error 1
make: *** [defconfig] Error 2

I have verified that I have buildtools, kernel-devel and header packages.
And last month I had built the kernel (mainline) for first time on Linux
Mint. But here, probably, I am missing something completely. Google search
didn't help much either.

-- 
Kartik
http://k4rtik.wordpress.com/
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