configuration in gcc build

[Brian Dessent]

Dima Sorkin wrote:

>  Ocassionally I found out that by default Ada will not be built,
> contrary to written in the install docs:
> http://gcc.gnu.org/install/configure.html

Where does that say that Ada will be built by default?  It says:

> If you do not pass this flag, or specify the option all, then all 
> default languages available in the gcc sub-tree will be configured. 
> Ada, Objective-C++, and treelang are not default languages; the rest are.