[ccache] Minor enhancement request: Handling of CCACHE_PREFIX when it is defined as a null string

[Joel Rosdahl]

On 7 February 2012 19:38, Frank Klotz <frank.klotz at alcatel-lucent.com> wrote:
> Could a CCACHE_PREFIX defined as a null string please be treated as if it
> were undefined, rather than as a fatal error?
> [...]
> And you might want to consider refactoring this
> almost-but-not-quite-identical code into a function or macro - not sure why
> there are two versions....

These are both good suggestions, and they have actually already been
done over a year ago on the master branch along with allowing several
binaries in CCACHE_PREFIX:
http://git.samba.org/?p=ccache.git;a=commit;h=b453d43ac0dc7097bb8afb74db70ccf5cde3a914

-- Joel