using this point as the reference of query, a link on arch linux forum was
discovered
[https://bbs.archlinux.org/viewtopic.php?id=91655](https://bbs.archlinux.org/viewtopic.php?id=91655)
SOLUTION
the following steps were undertaken.
* re-install texlive-fontsextra (sudo pacman -S texlive-fontsextra)
* cd ~/source-nim/nim
* git pull
* cd csources && sh build.sh
* bin/nim c koch
* ./koch boot -d:release
* ./koch pdf
At this point, nim is built and ready to use
bin/nim --version
Nim Compiler Version 0.16.0 (2017-01-24) [Linux: amd64]
Copyright (c) 2006-2017 by Andreas Rumpf
git hash: 0ead17bf0ecb12e32f64c050f8d28f6c22a59adb
active boot switches: -d:release
and the full documentation in PDF format is available.
find . -name "*.pdf"
./doc/manual.pdf
./doc/pdf/niminst.pdf
./doc/pdf/manual.pdf
./doc/pdf/tut2.pdf
./doc/pdf/gc.pdf
./doc/pdf/nimc.pdf
./doc/pdf/lib.pdf
./doc/pdf/tut1.pdf
SUMMARY If you are using Arch Linux and encounter issue with building the PDF
documentation
* remove ~/.texlive
* re-install texlive-fontxextra
Thanks for hcorion, araq for the assistance and encouragement with
troubleshooting !