-Source0: http://www.amelek.gda.pl/libc/avr-libc-%{version}.tar.gz
-BuildPrereq: crossavr-binutils, crossavr-gcc
+Source0: http://download.savannah.gnu.org/releases/avr-libc/avr-libc-%{version}.tar.bz2
+# Source0-md5: 504b5e3beefc0d500ff94ea88391f71d
+Source1: http://download.savannah.gnu.org/releases/avr-libc/avr-libc-user-manual-%{version}.tar.bz2
+# Source1-md5: 4ed26ca4061aec886209099fa713c6d8
+Source2: http://download.savannah.gnu.org/releases/avr-libc/avr-libc-manpages-%{version}.tar.bz2
+# Source2-md5: c80daf3fe433d1a70ad8d91fac951866
+URL: http://www.nongnu.org/avr-libc/
+BuildRequires: crossavr-binutils >= 2.14
+BuildRequires: crossavr-gcc >= 1:3.3
+Requires: crossavr-gcc >= 1:3.3