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It can be very hard to build Calibre from source as there are so many dependancies that need to be got right. As it is now possible to alter Calibre itself without building from soure is there a good reason you want to do this? How to do this is documented in the Calibre User Guide. The instructions you are trying to follow are quite old and may well not be up-to-date with all the steps required to build from source. At the very least it is likely that later version of many of the packages are now required.
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