Offer a single option for the glibc/eglibc add-ons selection, rather than hiding it behind a toggle.
If the list is empty, then there is no add-on. If the list is not empty, then there are add-ons.

/trunk/config/libc/glibc-eglibc.in-common | 9 0 9 0 ---------
1 file changed, 9 deletions(-)

#!/bin/sh

# Needed for systems without gettext

$* -xc -o /dev/null - > /dev/null 2>&1 << EOF

#include <libintl.h>

int main()

{

	gettext("");

	return 0;

}

EOF

if [ ! "$?" -eq "0"  ]; then

	echo -DKBUILD_NO_NLS;

fi