Fix source code url for base/acl
Replace '=' with '?=' for inheritable variables
Fix source code url of base/attr
Switch from gzip to xz source code for base/diffutils
Add trailing slash for source code directory of base/attr
Use FETCH instead of wget in base/bash
Add -L flag to default curl call of base/cracklib
Fix typo in Makefile of base/flex
Bump version of base/groff
Use FETCH instead of wget in base/less
Fix typo in base/openssl
Use FETCH instead of curl in base/texinfo
Use FETCH instead of curl in base/tzdata
Fix source code url in base/util-linux
Fix typo in base/libgssglue
Fix typo in base/libtirpc
Fix version number in base/ppl
Add tzdata source directory to gitignore in base/tzdata
Fix dependency in base/attr
Simplify touch statements in base/attr