[Fontconfig] fontconfig 2.8.0

[Raimund Steger]

Derek Leach wrote:
> Hi Akira,
>
> I understand your point, and will attempt to deliver a library with more
> symbol and debug information.
>
> These target units are already deployed, so they cannot turn on logging,
> and this problem has only occurred “once”,

if it's indeed RH bug 532718, which is a thing between fontconfig 2.7 
(including 2.6.9x), and fontconfig < 2.6.9x, then you're running two 
fontconfig versions on these systems, suggesting a heterogenous, 
networked environment or applications that come with their own 
fontconfig, maybe even linked statically! So good luck...

A few pointers where you can look for installed fontconfig versions:

* fontconfig.h files
* fontconfig.pc files
* fontconfig.so files (link them with a C program that calls 
FcGetVersion() or use a Perl Inline::C snippet etc.)

In the end, maybe you can keep your existing binaries and use different 
fontconfig config files with each (with $FONTCONFIG_FILE), that instruct 
them to use distinct cache locations...

Raimund

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