Hello everyone!
                      As instructed, i have gone through the "building the
source" section in the installation documentation. The build began just
fine. But it threw some 2 errors.(I'm using Ubuntu 16.04)
-- Boost version: 1.67.0
-- Found the following Boost libraries:
--   serialization
== Using strict rotor definition
-- maeparser include dir set as '/home/krishna/Coding/GitHub
Projects/rdkit/External/CoordGen'
-- maeparser libraries set as 'maeparser_LIBRARIES-NOTFOUND'
*-- Could NOT find maeparser (missing: maeparser_LIBRARIES) *
-- Found MAEParser source in /home/krishna/Coding/GitHub
Projects/rdkit/External/CoordGen/maeparser
-- coordgen include dir set as /home/krishna/Coding/GitHub
Projects/rdkit/External/CoordGen
-- coordgen libraries set as 'coordgen_LIBRARIES-NOTFOUND'
-- coordgen templates file set as 'coordgen_TEMPLATE_FILE-NOTFOUND'
-- Could NOT find coordgen (missing: coordgen_LIBRARIES
coordgen_TEMPLATE_FILE)
-- Found coordgenlibs source in /home/krishna/Coding/GitHub
Projects/rdkit/External/CoordGen/coordgen
== Updating Filters.cpp from pains file
== Done updating pains files
-- Found RapidJSON source in /home/krishna/Coding/GitHub
Projects/rdkit/External
-- Configuring done
-- Generating done
-- Build files have been written to: /home/krishna/Coding/GitHub
Projects/rdkit/build
How do i account for the missing libraries and files? The build ended at
24% throwing the following error

[ 24%] Building CXX object
External/CoordGen/Wrap/CMakeFiles/rdCoordGen.dir/rdCoordGen.cpp.o
/home/krishna/Coding/GitHub
Projects/rdkit/External/CoordGen/Wrap/rdCoordGen.cpp:14:10: fatal error:
numpy/arrayobject.h: No such file or directory
 #include <numpy/arrayobject.h>
          ^~~~~~~~~~~~~~~~~~~~~
compilation terminated.
External/CoordGen/Wrap/CMakeFiles/rdCoordGen.dir/build.make:62: recipe for
target 'External/CoordGen/Wrap/CMakeFiles/rdCoordGen.dir/rdCoordGen.cpp.o'
failed
make[2]: ***
[External/CoordGen/Wrap/CMakeFiles/rdCoordGen.dir/rdCoordGen.cpp.o] Error 1
CMakeFiles/Makefile2:1369: recipe for target
'External/CoordGen/Wrap/CMakeFiles/rdCoordGen.dir/all' failed
make[1]: *** [External/CoordGen/Wrap/CMakeFiles/rdCoordGen.dir/all] Error 2
Makefile:162: recipe for target 'all' failed
make: *** [all] Error 2

How can this be rectified? I'm new to open source and all these, so a
little help will go a long way as I'm really motivated to contribute to
this organization.

Also, I would want to enquire whether a seperate slack channel exists for
discussion of errors and doubts. If yes, an invite would be highly
beneficial for me!




Waiting for your reply

Regards
K Krishna Swaroop
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