Newest ldconfig from debian/ubuntu distribution does not support anymore
generating ld.so.cache for arm architecture.

Alchemy will use its own fixed version to avoid troubles with host machine.

The ldconfig binary has been extracted from debian packages :

https://packages.debian.org/fr/wheezy/libc-bin

libc-bin_2.13-38+deb7u8_amd64.deb
libc-bin_2.13-38+deb7u8_i386.deb

http://security.debian.org/debian-security/pool/updates/main/e/eglibc/libc-bin_2.13-38+deb7u8_i386.deb
http://security.debian.org/debian-security/pool/updates/main/e/eglibc/libc-bin_2.13-38+deb7u8_amd64.deb

