Use dpkg-architecture to find multiarch directory name on Debian.


git-svn-id: http://yate.null.ro/svn/yate/trunk@5852 acf43c95-373e-0410-b603-e72c3f656dc1
Use AC_TRY_LINK to check if the PostgreSQL library is linkable.


git-svn-id: http://yate.null.ro/svn/yate/trunk@5853 acf43c95-373e-0410-b603-e72c3f656dc1
Do proper number conversion for arithmetic operations.



git-svn-id: http://yate.null.ro/svn/yate/trunk@5854 acf43c95-373e-0410-b603-e72c3f656dc1
Merge branch 'upstream' of github.com:vir/yate into deb
Updated debian package version to 5.3.1~svn5854