Bug#888977: Unavailable dependencies

[David Cortes]

Package: libpango1.0-dev
Version: 1.40.5-1

libpango1.0-dev version 1.40.5-1 appears in debian stretch repositories,  
but its dependencies do not, thus libpango1.0-dev is uninstallable from  
debian's package manager:

libpango1.0-dev :
Depends: libcairo2-dev (>= 1.12.10) but it is not going to be installed
Depends: libfontconfig1-dev (>= 2.10.91) but it is not going to be  
installed
Depends: libpango-1.0-0 (= 1.40.5-1) but 1.40.14-1 is to be installed
Depends: libpangocairo-1.0-0 (= 1.40.5-1) but 1.40.14-1 is to be installed
Depends: libpangoft2-1.0-0 (= 1.40.5-1) but 1.40.14-1 is to be installed
Depends: libpangoxft-1.0-0 (= 1.40.5-1) but 1.40.14-1 is to be installed
Depends: libxft-dev but it is not going to be installed