Very strange that it compiled and worked as expected with 2 unused and unneded lines of code

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58700 65644016-39b1-43b1-bf79-96bc8fe82c15
1) Fixed some bugs with show/extract related to packages.
2) Cleanup related to multiple ODS, now using possible non-existent fields in older ODS which will return NULL.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58701 65644016-39b1-43b1-bf79-96bc8fe82c15
Avoid automake dependency which caused people a lot of problems

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58702 65644016-39b1-43b1-bf79-96bc8fe82c15
Avoid deprecated macros in configure.ac. Use autoconf 2.69 as basic for FB3.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58703 65644016-39b1-43b1-bf79-96bc8fe82c15