fatal error: fontconfig/fontconfig.h: No such file or directory
 

I have had the above error several times when building packages from Slackbuilds.

Any ideas on where fontconfig.h should be or where I should source it?

Thanks

fontconfig package, in CD/DVD installation, slackware/x/

You can also use
to determine which package a file belongs to (if it is an official package).

Thanks, re-installing that package was all it needed. Not sure how it came to be lost since I usually do "Install Everything" when installing or upgrading slackware.

Slackbuilds now working fine.