Re: Proper usage of CCACHE_BASEDIR?

Hi Jason,

Use option 1. From
http://ccache.samba.org/manual.html#_compiling_in_different_directories:

"ccache will then rewrite absolute paths that are under the base directory
(i.e., paths that have the base directory as a prefix) to relative paths
when constructing the hash. A typical path to use as the base directory is
your home directory or another directory that is a parent of your build
directories. "

-- Joel



On 5 March 2014 19:43, Fritz, Jason <[email protected]> wrote:

> Hi ccache folks,
>
> I am trying to understand the proper usage of the CCACHE_BASEDIR
> environment variable.
>
> I have several copies of my product's build tree in various directories
> that are not direct siblings.  For example:
>     /local/mnt/workspace/johndoe/Perforce/main/topdir
>     /local/mnt/workspace/johndoe/Perforce/users/feature1/topdir
>
> If I want to share the ccache between these products, how should I set
> CCACHE_BASEDIR?  Options:
> 1) One constant setting, i.e.
>     export CCACHE_BASEDIR=/local/mnt/workspace/johndoe/Perforce
>
> ...or...
>
> 2) Change the env variable depending on which tree I'm currently building.
> e.g. if I'm building .../main/topdir:
>     export CCACHE_BASEDIR=/local/mnt/workspace/johndoe/Perforce/main/topdir
> of if I'm building .../users/feature1/topdir:
>     export
> CCACHE_BASEDIR=/local/mnt/workspace/johndoe/Perforce/users/feature1/topdir
>
> Thank you for helping me clarify this!
> Jason
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