For devel/gmp, where is your gmp.h header file located?
Where it is supposed to be: $ ll /opt/pkg-hrz/20170105/include/gmp.h-rw-r--r-- 1 pkgsrc software 83733 Jan 5 20:08 /opt/pkg-hrz/20170105/include/gmp.h
i.e. with opt/pkg-hrz/20170105 as LOCALBASE. -- Jörn Clausen Plattformen & Serverdienste BITS - Bielefelder IT-Servicezentrum Universität Bielefeld Universitätsstraße 25 33615 Bielefeld Telefon: +49 521 106-12601 E-Mail: joern.clausen%uni-bielefeld.de@localhost http://www.uni-bielefeld.de/bits