On linux 2016.04 and windows 2016.01 :
==> Fetching Inline::Python ==> Building Inline::Python gcc pyhelper.c -Wall -I"/usr/include/python2.7" -L"/usr/lib/python2.7/config" -lpython2.7 -shared -o /home/erana/.panda-work/1468400277_1/resources/libraries/libpyhelper.so -fPIC -g pyhelper.c:1:20: fatal error: Python.h: No such file or directory compilation terminated. make: *** [/home/erana/.panda-work/1468400277_1/resources/libraries/libpyhelper.so] Error 1 The spawned process exited unsuccessfully (exit code: 2) in method build at /home/erana/.panda-work/1468400277_1/Build.pm line 27 in block at sources/9661E79563A62B3ABD3CB5E61B41BB801509267A (Panda::Builder) line 12 in method build at sources/9661E79563A62B3ABD3CB5E61B41BB801509267A (Panda::Builder) line 8 in method install at /home/erana/perl6/rakudo-star-2016.04/install/share/perl6/site/sources/582CB7486602954A4601BDCE5A0EAC54B05DA58A (Panda) line 148 in method resolve at /home/erana/perl6/rakudo-star-2016.04/install/share/perl6/site/sources/582CB7486602954A4601BDCE5A0EAC54B05DA58A (Panda) line 234 in sub MAIN at /home/erana/perl6/rakudo-star-2016.04/install/share/perl6/site/resources/E0D978079BB5081DE986D058BB8AB08252F05CC8 line 18 in block <unit> at /home/erana/perl6/rakudo-star-2016.04/install/share/perl6/site/resources/E0D978079BB5081DE986D058BB8AB08252F05CC8 line 152