우분투 14.04에서 libpq-dev를 설치할 수 없습니다

postgresql 용 libpq-dev를 설치할 수 없습니다.

sudo apt-get install libpq-dev

출력

Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libpq-dev : Depends: libpq5 (= 9.3.9-0ubuntu0.14.04) but 9.4.4-1.pgdg14.04+1 is to be installed
E: Unable to correct problems, you have held broken packages.

이 문제를 해결하는 방법?

문제가 해결되었습니다!

나는 이것을 제거하여 해결했다 libpq5:

sudo apt-get remove libpq5
sudo apt-get install libpq-dev

다음 단계를 통해 문제를 해결할 수 있습니다.

sudo apt-get update
sudo apt-get remove libpq5
sudo apt-get install libpq-dev