Install

$ doas pkg_add kcgi
$ ftp http://releases.malikania.fr/paster/0.2.1/paster-0.2.1.tar.xz
$ unxz paster-0.2.1.tar.xz
$ tar xvf paster-0.2.1.tar
$ cd paster-0.2.1

In the Makefile, add -I/usr/local/include

Alternate instructions

$ doas pkg_add mercurial kcgi
$ hg clone http://hg.malikania.fr/paster/
$ unxz paster-0.2.1.tar.xz
$ tar xvf paster-0.2.1.tar
$ cd paster-0.2.1
$ make
$ doas make install

In the Makefile, add -I/usr/local/include