Re: Is there a way to set the cache directory using environment variables?

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Le jeudi 10 août 2023 à 18:30 +0200, Andreas Falkenhahn a écrit :
On 10.08.2023 at 17:07 Jean Abou Samra wrote:

In vanilla Fontconfig builds, you can set the XDG_CACHE_HOME variable to modify
the cache location.

Doesn't work. Looking at the code it seems like XDG_CACHE_HOME is only handled if
there are no cache dirs in the config:

    if (config->cacheDirs && config->cacheDirs->num == 0) {
         prefix = FcConfigXdgCacheHome ();

The above if statement likely evaluates to FALSE for the MSYS2 build because
MSYS2 does define a cache directory but of course I don't want to use that because
it relies on the MSYS2 infrastructure...

Looking into the MSYS2 package code at
I see that this is indeed correct.

If you add <cachedir> elements to the config file, does that make a difference?

Not sure about the details of your setup, but if you create a "vanilla" FcConfig with FcConfigCreate(), it shouldn't have any of the default settings so you should be able to have complete control over it.

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