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It was originally developed by the Defence Evaluation and Research Agency (DERA) in the United Kingdom. In the beginning of 2002 TenDRA was actively developed again by Jeroen Ruigrok van der Werven and offered as a BSD-licensed open source project through the website tendra.org. In the third quarter of 2002 the one-man effort was expanded to a small team.
The goals of TenDRA.org were:
- to continuously produce correct code,
- to ensure code correctness through various means, and
- to continuously improve the performance of the compiler and resulting code, unless it would jeopardize the points above.
The goals of Ten15.org added:
- to be a friendly competitor to GCC in order to get a best-of-breed compiler.
Features of both compilers include good error reporting with respect to standards compliance and a smaller code size than the same programs compiled on gcc. C++ support never got as developed as C support, and there was no STL supporting release. TenDRA uses the Architecture Neutral Distribution Format (ANDF), a specification created by the Open Group, as its intermediate language.
TenDRA.org has a comprehensive set of documentation available online at http://www.tendra.org/docs
Manual pages for references to programs and file formats are available at http://www.tendra.org/man