Reproduce:
tommi@flunkyball:~/Koodit/zhfst-installer$ apt-cache show hfst-dev
Package: hfst-dev
Status: install ok installed
Priority: optional
Section: devel
Maintainer: HFST team <hfst-info@sf.net>
Architecture: amd64
Source: hfst
Version: 4.3-1
Depends: libc6 (>= 1.1), libstdc++6 (>= 4.4.3)
Description: HFST library and commandline tools
The backend formats included are OpenFst and foma.
For more information on HFST, see the homepage below.
Homepage: http://hfst.sf.net
tommi@flunkyball:~/Koodit/zhfst-installer$ pkg-config --modversion hfst
Package hfst was not found in the pkg-config search path.
Perhaps you should add the directory containing `hfst.pc'
to the PKG_CONFIG_PATH environment variable
No package 'hfst' found
Expected:
tapirine@hfst ~/src/hfst3-trunk (511) [16:31:55]
$ pkg-config --modversion hfst
3.4.4